yii php 图片上传与生成缩略图
今天需要做图片上传与生成缩略图的功能，把代码进行记录如下：
html 视图 ($pic_action_url = $this->createAbsoluteUrl('home/upload');)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <meta charset="UTF-8"> 5 <title></title> 6 <script type="text/javascript" src="<{$front_public}>js/plugins/ajaxupload/jquery.1.8.js"></script> 7 <script type="text/javascript" src="<{$front_public}>js/plugins/ajaxupload/ajaxupload.js"></script> 8 </head> 9 <body> 10 <div id="content"> 11 <p class="author"></p> 12 <p class="blog"><a href="#">Blog</a></p> 13 </div> 14 15 16 <!-- 图像上传start --> 17 <div class="divMain"> 18 <button id="upload" action_url="<{$pic_action_url}>">文件上传</button> 19 <div class="content"></div> 20 </div> 21 <!-- 图像上传end --> 22 23 <script type="text/javascript"> 24 /* 25 ajaxupload上传 26 */ 27 $(document).ready(function(){ 28 var button = $('#upload'), interval; 29 var fileType = "all",fileNum = "one"; 30 new AjaxUpload(button,{ 31 action: $('#upload').attr('action_url'), 32 name: 'userfile', 33 onSubmit : function(file, ext){ 34 if(fileType == "pic") 35 { 36 if (ext && /^(jpg|png|jpeg|gif)$/.test(ext)){ 37 this.setData({ 38 'info': '文件类型为图片' 39 }); 40 } else { 41 $('<li></li>').appendTo('.files').text('非图片类型文件，请重传'); 42 return false; 43 } 44 } 45 button.text('文件上传中'); 46 if(fileNum == 'one') 47 this.disable(); 48 interval = window.setInterval(function(){ 49 var text = button.text(); 50 if (text.length < 14){ 51 button.text(text + '.'); 52 } else { 53 button.text('文件上传中'); 54 } 55 }, 200); 56 }, 57 onComplete: function(file, response){//上传成功的函数；response代表服务器返回的数据 58 //清楚按钮的状态 59 button.text('文件上传'); 60 window.clearInterval(interval); 61 this.enable(); 62 //修改下方div的显示文字 63 console.log(response); 64 if('success'==response){ 65 $(".content").text("上传成功"); 66 }else{ 67 $(".content").text("上传失败"); 68 } 69 } 70 }); 71 }); 72 </script> 73 </body> 74 75 </html>
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c.top-=parseFloat(p.css(a,"marginTop"))||0,c.left-=parseFloat(p.css(a,"marginLeft"))||0,d.top+=parseFloat(p.css(b[0],"borderTopWidth"))||0,d.left+=parseFloat(p.css(b[0],"borderLeftWidth"))||0,{top:c.top-d.top,left:c.left-d.left}},offsetParent:function(){return this.map(function(){var a=this.offsetParent||e.body;while(a&&!c$.test(a.nodeName)&&p.css(a,"position")==="static")a=a.offsetParent;return a||e.body})}}),p.each({scrollLeft:"pageXOffset",scrollTop:"pageYOffset"},function(a,c){var d=/Y/.test(c);p.fn[a]=function(e){return p.access(this,function(a,e,f){var g=c_(a);if(f===b)return g?c in g?g[c]:g.document.documentElement[e]:a[e];g?g.scrollTo(d?p(g).scrollLeft():f,d?f:p(g).scrollTop()):a[e]=f},a,e,arguments.length,null)}}),p.each({Height:"height",Width:"width"},function(a,c){p.each({padding:"inner"+a,content:c,"":"outer"+a},function(d,e){p.fn[e]=function(e,f){var g=arguments.length&&(d||typeof e!="boolean"),h=d||(e===!0||f===!0?"margin":"border");return p.access(this,function(c,d,e){var f;return p.isWindow(c)?c.document.documentElement["client"+a]:c.nodeType===9?(f=c.documentElement,Math.max(c.body["scroll"+a],f["scroll"+a],c.body["offset"+a],f["offset"+a],f["client"+a])):e===b?p.css(c,d,e,h):p.style(c,d,e,h)},c,g?e:b,g)}})}),a.jQuery=a.$=p,typeof define=="function"&&define.amd&&define.amd.jQuery&&define("jquery",[],function(){return p})})(window);
ajaxupload.js
1 /** 2 * AJAX Upload ( http://valums.com/ajax-upload/ ) 3 * Copyright (c) Andris Valums 4 * Licensed under the MIT license ( http://valums.com/mit-license/ ) 5 * Thanks to Gary Haran, David Mark, Corey Burns and others for contributions 6 */ 7 (function () { 8 /* global window */ 9 /* jslint browser: true, devel: true, undef: true, nomen: true, bitwise: true, regexp: true, newcap: true, immed: true */ 10 11 /** 12 * Wrapper for FireBug's console.log 13 */ 14 15 function log() { 16 if (typeof(console) != 'undefined' && typeof(console.log) == 'function') { 17 Array.prototype.unshift.call(arguments, '[Ajax Upload]'); 18 console.log(Array.prototype.join.call(arguments, ' ')); 19 } 20 } 21 22 /** 23 * Attaches event to a dom element. 24 * @param {Element} el 25 * @param type event name 26 * @param fn callback This refers to the passed element 27 */ 28 29 function addEvent(el, type, fn) { 30 if (el.addEventListener) { 31 el.addEventListener(type, fn, false); 32 } else if (el.attachEvent) { 33 el.attachEvent('on' + type, function () { 34 fn.call(el); 35 }); 36 } else { 37 throw new Error('not supported or DOM not loaded'); 38 } 39 } 40 41 /** 42 * Attaches resize event to a window, limiting 43 * number of event fired. Fires only when encounteres 44 * delay of 100 after series of events. 45 * 46 * Some browsers fire event multiple times when resizing 47 * http://www.quirksmode.org/dom/events/resize.html 48 * 49 * @param fn callback This refers to the passed element 50 */ 51 52 function addResizeEvent(fn) { 53 var timeout; 54 55 addEvent(window, 'resize', function () { 56 if (timeout) { 57 clearTimeout(timeout); 58 } 59 timeout = setTimeout(fn, 100); 60 }); 61 } 62 63 // Needs more testing, will be rewriten for next version 64 // getOffset function copied from jQuery lib (http://jquery.com/) 65 if (document.documentElement.getBoundingClientRect) { 66 // Get Offset using getBoundingClientRect 67 // http://ejohn.org/blog/getboundingclientrect-is-awesome/ 68 var getOffset = function (el) { 69 var box = el.getBoundingClientRect(); 70 var doc = el.ownerDocument; 71 var body = doc.body; 72 var docElem = doc.documentElement; // for ie 73 var clientTop = docElem.clientTop || body.clientTop || 0; 74 var clientLeft = docElem.clientLeft || body.clientLeft || 0; 75 76 // In Internet Explorer 7 getBoundingClientRect property is treated as physical, 77 // while others are logical. Make all logical, like in IE8. 78 var zoom = 1; 79 if (body.getBoundingClientRect) { 80 var bound = body.getBoundingClientRect(); 81 zoom = (bound.right - bound.left) / body.clientWidth; 82 } 83 84 if (zoom > 1) { 85 clientTop = 0; 86 clientLeft = 0; 87 } 88 89 var top = box.top / zoom + (window.pageYOffset || docElem && docElem.scrollTop / zoom || body.scrollTop / zoom) - clientTop, 90 left = box.left / zoom + (window.pageXOffset || docElem && docElem.scrollLeft / zoom || body.scrollLeft / zoom) - clientLeft; 91 92 return { 93 top: top, 94 left: left 95 }; 96 }; 97 } else { 98 // Get offset adding all offsets 99 var getOffset = function (el) { 100 var top = 0, 101 left = 0; 102 do { 103 top += el.offsetTop || 0; 104 left += el.offsetLeft || 0; 105 el = el.offsetParent; 106 } while (el); 107 108 return { 109 left: left, 110 top: top 111 }; 112 }; 113 } 114 115 /** 116 * Returns left, top, right and bottom properties describing the border-box, 117 * in pixels, with the top-left relative to the body 118 * @param {Element} el 119 * @return {Object} Contains left, top, right,bottom 120 */ 121 122 function getBox(el) { 123 var left, right, top, bottom; 124 var offset = getOffset(el); 125 left = offset.left; 126 top = offset.top; 127 128 right = left + el.offsetWidth; 129 bottom = top + el.offsetHeight; 130 131 return { 132 left: left, 133 right: right, 134 top: top, 135 bottom: bottom 136 }; 137 } 138 139 /** 140 * Helper that takes object literal 141 * and add all properties to element.style 142 * @param {Element} el 143 * @param {Object} styles 144 */ 145 146 function addStyles(el, styles) { 147 for (var name in styles) { 148 if (styles.hasOwnProperty(name)) { 149 el.style[name] = styles[name]; 150 } 151 } 152 } 153 154 /** 155 * Function places an absolutely positioned 156 * element on top of the specified element 157 * copying position and dimentions. 158 * @param {Element} from 159 * @param {Element} to 160 */ 161 162 function copyLayout(from, to) { 163 var box = getBox(from); 164 165 addStyles(to, { 166 position: 'absolute', 167 left: box.left + 'px', 168 top: box.top + 'px', 169 width: from.offsetWidth + 'px', 170 height: from.offsetHeight + 'px' 171 }); 172 } 173 174 /** 175 * Creates and returns element from html chunk 176 * Uses innerHTML to create an element 177 */ 178 var toElement = (function () { 179 var div = document.createElement('div'); 180 return function (html) { 181 div.innerHTML = html; 182 var el = div.firstChild; 183 return div.removeChild(el); 184 }; 185 })(); 186 187 /** 188 * Function generates unique id 189 * @return unique id 190 */ 191 var getUID = (function () { 192 var id = 0; 193 return function () { 194 return 'ValumsAjaxUpload' + id++; 195 }; 196 })(); 197 198 /** 199 * Get file name from path 200 * @param {String} file path to file 201 * @return filename 202 */ 203 204 function fileFromPath(file) { 205 return file.replace(/.*(\/|\\)/, ""); 206 } 207 208 /** 209 * Get file extension lowercase 210 * @param {String} file name 211 * @return file extenstion 212 */ 213 214 function getExt(file) { 215 return (-1 !== file.indexOf('.')) ? file.replace(/.*[.]/, '') : ''; 216 } 217 218 function hasClass(el, name) { 219 var re = new RegExp('\\b' + name + '\\b'); 220 return re.test(el.className); 221 } 222 223 function addClass(el, name) { 224 if (!hasClass(el, name)) { 225 el.className += ' ' + name; 226 } 227 } 228 229 function removeClass(el, name) { 230 var re = new RegExp('\\b' + name + '\\b'); 231 el.className = el.className.replace(re, ''); 232 } 233 234 function removeNode(el) { 235 el.parentNode.removeChild(el); 236 } 237 238 /** 239 * Easy styling and uploading 240 * @constructor 241 * @param button An element you want convert to 242 * upload button. Tested dimentions up to 500x500px 243 * @param {Object} options See defaults below. 244 */ 245 window.AjaxUpload = function (button, options) { 246 this._settings = { 247 // Location of the server-side upload script 248 action: 'upload.php', 249 // File upload name 250 name: 'userfile', 251 // Additional data to send 252 data: {}, 253 // Submit file as soon as it's selected 254 autoSubmit: true, 255 // The type of data that you're expecting back from the server. 256 // html and xml are detected automatically. 257 // Only useful when you are using json data as a response. 258 // Set to "json" in that case. 259 responseType: false, 260 // Class applied to button when mouse is hovered 261 hoverClass: 'hover', 262 // Class applied to button when AU is disabled 263 disabledClass: 'disabled', 264 // When user selects a file, useful with autoSubmit disabled 265 // You can return false to cancel upload 266 onChange: function (file, extension) {}, 267 // Callback to fire before file is uploaded 268 // You can return false to cancel upload 269 onSubmit: function (file, extension) {}, 270 // Fired when file upload is completed 271 // WARNING! DO NOT USE "FALSE" STRING AS A RESPONSE! 272 onComplete: function (file, response) {} 273 }; 274 275 // Merge the users options with our defaults 276 for (var i in options) { 277 if (options.hasOwnProperty(i)) { 278 this._settings[i] = options[i]; 279 } 280 } 281 282 // button isn't necessary a dom element 283 if (button.jquery) { 284 // jQuery object was passed 285 button = button[0]; 286 } else if (typeof button == "string") { 287 if (/^#.*/.test(button)) { 288 // If jQuery user passes #elementId don't break it 289 button = button.slice(1); 290 } 291 292 button = document.getElementById(button); 293 } 294 295 if (!button || button.nodeType !== 1) { 296 throw new Error("Please make sure that you're passing a valid element"); 297 } 298 299 if (button.nodeName.toUpperCase() == 'A') { 300 // disable link 301 addEvent(button, 'click', function (e) { 302 if (e && e.preventDefault) { 303 e.preventDefault(); 304 } else if (window.event) { 305 window.event.returnValue = false; 306 } 307 }); 308 } 309 310 // DOM element 311 this._button = button; 312 // DOM element 313 this._input = null; 314 // If disabled clicking on button won't do anything 315 this._disabled = false; 316 317 // if the button was disabled before refresh if will remain 318 // disabled in FireFox, let's fix it 319 this.enable(); 320 321 this._rerouteClicks(); 322 }; 323 324 // assigning methods to our class 325 AjaxUpload.prototype = { 326 setData: function (data) { 327 this._settings.data = data; 328 }, 329 disable: function () { 330 addClass(this._button, this._settings.disabledClass); 331 this._disabled = true; 332 333 var nodeName = this._button.nodeName.toUpperCase(); 334 if (nodeName == 'INPUT' || nodeName == 'BUTTON') { 335 this._button.setAttribute('disabled', 'disabled'); 336 } 337 338 // hide input 339 if (this._input) { 340 // We use visibility instead of display to fix problem with Safari 4 341 // The problem is that the value of input doesn't change if it 342 // has display none when user selects a file 343 this._input.parentNode.style.visibility = 'hidden'; 344 } 345 }, 346 enable: function () { 347 removeClass(this._button, this._settings.disabledClass); 348 this._button.removeAttribute('disabled'); 349 this._disabled = false; 350 351 }, 352 /** 353 * Creates invisible file input 354 * that will hover above the button 355 * <div><input type='file' /></div> 356 */ 357 _createInput: function () { 358 var self = this; 359 360 var input = document.createElement("input"); 361 input.setAttribute('type', 'file'); 362 input.setAttribute('name', this._settings.name); 363 364 addStyles(input, { 365 'position': 'absolute', 366 // in Opera only 'browse' button 367 // is clickable and it is located at 368 // the right side of the input 369 'right': 0, 370 'margin': 0, 371 'padding': 0, 372 'fontSize': '480px', 373 'cursor': 'pointer' 374 }); 375 376 var div = document.createElement("div"); 377 addStyles(div, { 378 'display': 'block', 379 'position': 'absolute', 380 'overflow': 'hidden', 381 'margin': 0, 382 'padding': 0, 383 'opacity': 0, 384 // Make sure browse button is in the right side 385 // in Internet Explorer 386 'direction': 'ltr', 387 //Max zIndex supported by Opera 9.0-9.2 388 'zIndex': 2147483583 389 }); 390 391 // Make sure that element opacity exists. 392 // Otherwise use IE filter 393 if (div.style.opacity !== "0") { 394 if (typeof(div.filters) == 'undefined') { 395 throw new Error('Opacity not supported by the browser'); 396 } 397 div.style.filter = "alpha(opacity=0)"; 398 } 399 400 addEvent(input, 'change', function () { 401 402 if (!input || input.value === '') { 403 return; 404 } 405 406 // Get filename from input, required 407 // as some browsers have path instead of it 408 var file = fileFromPath(input.value); 409 410 if (false === self._settings.onChange.call(self, file, getExt(file))) { 411 self._clearInput(); 412 return; 413 } 414 415 // Submit form when value is changed 416 if (self._settings.autoSubmit) { 417 self.submit(); 418 } 419 }); 420 421 addEvent(input, 'mouseover', function () { 422 addClass(self._button, self._settings.hoverClass); 423 }); 424 425 addEvent(input, 'mouseout', function () { 426 removeClass(self._button, self._settings.hoverClass); 427 428 // We use visibility instead of display to fix problem with Safari 4 429 // The problem is that the value of input doesn't change if it 430 // has display none when user selects a file 431 input.parentNode.style.visibility = 'hidden'; 432 433 }); 434 435 div.appendChild(input); 436 document.body.appendChild(div); 437 438 this._input = input; 439 }, 440 _clearInput: function () { 441 if (!this._input) { 442 return; 443 } 444 445 // this._input.value = ''; Doesn't work in IE6 446 removeNode(this._input.parentNode); 447 this._input = null; 448 this._createInput(); 449 450 removeClass(this._button, this._settings.hoverClass); 451 }, 452 /** 453 * Function makes sure that when user clicks upload button, 454 * the this._input is clicked instead 455 */ 456 _rerouteClicks: function () { 457 var self = this; 458 459 // IE will later display 'access denied' error 460 // if you use using self._input.click() 461 // other browsers just ignore click() 462 463 addEvent(self._button, 'mouseover', function () { 464 if (self._disabled) { 465 return; 466 } 467 468 if (!self._input) { 469 self._createInput(); 470 } 471 472 var div = self._input.parentNode; 473 copyLayout(self._button, div); 474 div.style.visibility = 'visible'; 475 476 }); 477 478 479 // commented because we now hide input on mouseleave 480 /** 481 * When the window is resized the elements 482 * can be misaligned if button position depends 483 * on window size 484 */ 485 //addResizeEvent(function(){ 486 // if (self._input){ 487 // copyLayout(self._button, self._input.parentNode); 488 // } 489 //}); 490 491 }, 492 /** 493 * Creates iframe with unique name 494 * @return {Element} iframe 495 */ 496 _createIframe: function () { 497 // We can't use getTime, because it sometimes return 498 // same value in safari :( 499 var id = getUID(); 500 501 // We can't use following code as the name attribute 502 // won't be properly registered in IE6, and new window 503 // on form submit will open 504 // var iframe = document.createElement('iframe'); 505 // iframe.setAttribute('name', id); 506 507 var iframe = toElement('<iframe src="javascript:false;" name="' + id + '" />'); 508 // src="javascript:false; was added 509 // because it possibly removes ie6 prompt 510 // "This page contains both secure and nonsecure items" 511 // Anyway, it doesn't do any harm. 512 iframe.setAttribute('id', id); 513 514 iframe.style.display = 'none'; 515 document.body.appendChild(iframe); 516 517 return iframe; 518 }, 519 /** 520 * Creates form, that will be submitted to iframe 521 * @param {Element} iframe Where to submit 522 * @return {Element} form 523 */ 524 _createForm: function (iframe) { 525 var settings = this._settings; 526 527 // We can't use the following code in IE6 528 // var form = document.createElement('form'); 529 // form.setAttribute('method', 'post'); 530 // form.setAttribute('enctype', 'multipart/form-data'); 531 // Because in this case file won't be attached to request 532 var form = toElement('<form method="post" enctype="multipart/form-data"></form>'); 533 534 form.setAttribute('action', settings.action); 535 form.setAttribute('target', iframe.name); 536 form.style.display = 'none'; 537 document.body.appendChild(form); 538 539 // Create hidden input element for each data key 540 for (var prop in settings.data) { 541 if (settings.data.hasOwnProperty(prop)) { 542 var el = document.createElement("input"); 543 el.setAttribute('type', 'hidden'); 544 el.setAttribute('name', prop); 545 el.setAttribute('value', settings.data[prop]); 546 form.appendChild(el); 547 } 548 } 549 return form; 550 }, 551 /** 552 * Gets response from iframe and fires onComplete event when ready 553 * @param iframe 554 * @param file Filename to use in onComplete callback 555 */ 556 _getResponse: function (iframe, file) { 557 // getting response 558 var toDeleteFlag = false, 559 self = this, 560 settings = this._settings; 561 562 addEvent(iframe, 'load', function () { 563 564 if ( // For Safari 565 iframe.src == "javascript:'%3Chtml%3E%3C/html%3E';" || 566 // For FF, IE 567 iframe.src == "javascript:'<html></html>';") { 568 // First time around, do not delete. 569 // We reload to blank page, so that reloading main page 570 // does not re-submit the post. 571 572 if (toDeleteFlag) { 573 // Fix busy state in FF3 574 setTimeout(function () { 575 removeNode(iframe); 576 }, 577 0); 578 } 579 580 return; 581 } 582 583 var doc = iframe.contentDocument ? iframe.contentDocument : window.frames[iframe.id].document; 584 585 // fixing Opera 9.26,10.00 586 if (doc.readyState && doc.readyState != 'complete') { 587 // Opera fires load event multiple times 588 // Even when the DOM is not ready yet 589 // this fix should not affect other browsers 590 return; 591 } 592 593 // fixing Opera 9.64 594 if (doc.body && doc.body.innerHTML == "false") { 595 // In Opera 9.64 event was fired second time 596 // when body.innerHTML changed from false 597 // to server response approx. after 1 sec 598 return; 599 } 600 601 var response; 602 603 if (doc.XMLDocument) { 604 // response is a xml document Internet Explorer property 605 response = doc.XMLDocument; 606 } else if (doc.body) { 607 // response is html document or plain text 608 response = doc.body.innerHTML; 609 610 if (settings.responseType && settings.responseType.toLowerCase() == 'json') { 611 // If the document was sent as 'application/javascript' or 612 // 'text/javascript', then the browser wraps the text in a <pre> 613 // tag and performs html encoding on the contents. In this case, 614 // we need to pull the original text content from the text node's 615 // nodeValue property to retrieve the unmangled content. 616 // Note that IE6 only understands text/html 617 if (doc.body.firstChild && doc.body.firstChild.nodeName.toUpperCase() == 'PRE') { 618 response = doc.body.firstChild.firstChild.nodeValue; 619 } 620 621 if (response) { 622 response = eval("(" + response + ")"); 623 } else { 624 response = {}; 625 } 626 } 627 } else { 628 // response is a xml document 629 response = doc; 630 } 631 632 settings.onComplete.call(self, file, response); 633 634 // Reload blank page, so that reloading main page 635 // does not re-submit the post. Also, remember to 636 // delete the frame 637 toDeleteFlag = true; 638 639 // Fix IE mixed content issue 640 iframe.src = "javascript:'<html></html>';"; 641 }); 642 }, 643 /** 644 * Upload file contained in this._input 645 */ 646 submit: function (event) { 647 var self = this, 648 settings = this._settings; 649 650 if (!this._input || this._input.value === '') { 651 return; 652 } 653 654 var file = fileFromPath(this._input.value); 655 656 // user returned false to cancel upload 657 if (false === settings.onSubmit.call(this, file, getExt(file))) { 658 this._clearInput(); 659 return; 660 } 661 662 // sending request 663 var iframe = this._createIframe(); 664 var form = this._createForm(iframe); 665 666 // assuming following structure 667 // div -> input type='file' 668 removeNode(this._input.parentNode); 669 removeClass(self._button, self._settings.hoverClass); 670 671 form.appendChild(this._input); 672 673 form.submit(); 674 675 // request set, clean up 676 removeNode(form); 677 form = null; 678 removeNode(this._input); 679 this._input = null; 680 681 // Get response from iframe and fire onComplete event when ready 682 this._getResponse(iframe, file); 683 684 // get ready for next request 685 this._createInput(); 686 } 687 }; 688 })();
actionUpload控制器
1 function actionUpload(){ 2 if(4!==$_FILES['userfile']['error']){ 3 //加载上传类 4 require_once 'UploadFile.class.php'; 5 $upload_path = './upload/'.crypt($this->userid, $this->userid).'/'; 6 $upload = new UploadFile(); 7 $upload->maxSize = 2*1024*1024*8;// 设置附件上传大小 8 $upload->allowExts = array('jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型 9 $upload->thumb = TRUE; 10 $upload->thumbMaxWidth = '300px'; 11 $upload->thumbMaxHeight = '300px'; 12 $upload->savePath = $upload_path;// 设置附件上传目录 13 $branchInfo = $upload->uploadOne($_FILES['userfile'],$upload_path); 14 //var_dump($branchInfo); 15 /* 16 <b>array</b> 17 'name' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'946F852A-EB07-44CD-9055-ED39D3EE3FDF.jpg'</font> <i>(length=40)</i> 18 'type' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'image/jpeg'</font> <i>(length=10)</i> 19 'size' <font color="#888a85">=></font> <small>int</small> <font color="#4e9a06">83565</font> 20 'extension' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'jpg'</font> <i>(length=3)</i> 21 'savepath' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'./upload/29MmoZfBlYJek/'</font> <i>(length=23)</i> 22 'savename' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'5370899f0776f.jpg'</font> <i>(length=17)</i> 23 'hash' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'cc9692c28baa7c0280487d7b6cb4f33b'</font> <i>(length=32)</i> 24 */ 25 if(!$branchInfo) {// 上传错误提示错误信息 26 echo 'error'; 27 }else{// 上传成功 获取上传文件信息 28 echo 'success'; 29 } 30 }else{ 31 echo 'error'; 32 } 33 }
UploadFile.class.php 自定义图片上传类
1 <?php 2 // +---------------------------------------------------------------------- 3 // | ThinkPHP [ WE CAN DO IT JUST THINK IT ] 4 // +---------------------------------------------------------------------- 5 // | Copyright (c) 2009 http://thinkphp.cn All rights reserved. 6 // +---------------------------------------------------------------------- 7 // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) 8 // +---------------------------------------------------------------------- 9 // | Author: liu21st <liu21st@gmail.com> 10 // +---------------------------------------------------------------------- 11 12 /** 13 * 文件上传类 14 * @category ORG 15 * @package ORG 16 * @subpackage Net 17 * @author liu21st <liu21st@gmail.com> 18 * 参考说明 http://www.thinkphp.cn/info/194.html 19 */ 20 class UploadFile {//类定义开始 21 22 private $config = array( 23 'maxSize' => -1, // 上传文件的最大值 24 'supportMulti' => true, // 是否支持多文件上传 25 'allowExts' => array(), // 允许上传的文件后缀 留空不作后缀检查 26 'allowTypes' => array(), // 允许上传的文件类型 留空不做检查 27 'thumb' => false, // 使用对上传图片进行缩略图处理 28 'thumbMaxWidth' => '',// 缩略图最大宽度 29 'thumbMaxHeight' => '',// 缩略图最大高度 30 'thumbPrefix' => 'thumb_',// 缩略图前缀 31 'thumbSuffix' => '', 32 'thumbPath' => '',// 缩略图保存路径 33 'thumbFile' => '',// 缩略图文件名 34 'thumbExt' => '',// 缩略图扩展名 35 'thumbRemoveOrigin' => false,// 是否移除原图 36 'zipImages' => false,// 压缩图片文件上传 37 'autoSub' => false,// 启用子目录保存文件 38 'subType' => 'hash',// 子目录创建方式 可以使用hash date custom 39 'subDir' => '', // 子目录名称 subType为custom方式后有效 40 'dateFormat' => 'Ymd', 41 'hashLevel' => 1, // hash的目录层次 42 'savePath' => '',// 上传文件保存路径 43 'autoCheck' => true, // 是否自动检查附件 44 'uploadReplace' => false,// 存在同名是否覆盖 45 'saveRule' => 'uniqid',// 上传文件命名规则 46 'hashType' => 'md5_file',// 上传文件Hash规则函数名 47 ); 48 49 // 错误信息 50 private $error = ''; 51 // 上传成功的文件信息 52 private $uploadFileInfo ; 53 54 public function __get($name){ 55 if(isset($this->config[$name])) { 56 return $this->config[$name]; 57 } 58 return null; 59 } 60 61 public function __set($name,$value){ 62 if(isset($this->config[$name])) { 63 $this->config[$name] = $value; 64 } 65 } 66 67 public function __isset($name){ 68 return isset($this->config[$name]); 69 } 70 71 /** 72 * 架构函数 73 * @access public 74 * @param array $config 上传参数 75 */ 76 public function __construct($config=array()) { 77 if(is_array($config)) { 78 $this->config = array_merge($this->config,$config); 79 } 80 } 81 82 /** 83 * 上传一个文件 84 * @access public 85 * @param mixed $name 数据 86 * @param string $value 数据表名 87 * @return string 88 */ 89 private function save($file) { 90 $filename = $file['savepath'].$file['savename']; 91 if(!$this->uploadReplace && is_file($filename)) { 92 // 不覆盖同名文件 93 $this->error = '文件已经存在！'.$filename; 94 return false; 95 } 96 // 如果是图像文件 检测文件格式 97 if( in_array(strtolower($file['extension']),array('gif','jpg','jpeg','bmp','png','swf'))) { 98 $info = getimagesize($file['tmp_name']); 99 if(false === $info || ('gif' == strtolower($file['extension']) && empty($info['bits']))){ 100 $this->error = '非法图像文件'; 101 return false; 102 } 103 } 104 if(!move_uploaded_file($file['tmp_name'], $this->autoCharset($filename,'utf-8','gbk'))) { 105 $this->error = '文件上传保存错误！'; 106 return false; 107 } 108 if($this->thumb && in_array(strtolower($file['extension']),array('gif','jpg','jpeg','bmp','png'))) { 109 $image = getimagesize($filename); 110 if(false !== $image) { 111 //是图像文件生成缩略图 112 $thumbWidth = explode(',',$this->thumbMaxWidth); 113 $thumbHeight = explode(',',$this->thumbMaxHeight); 114 $thumbPrefix = explode(',',$this->thumbPrefix); 115 $thumbSuffix = explode(',',$this->thumbSuffix); 116 $thumbFile = explode(',',$this->thumbFile); 117 $thumbPath = $this->thumbPath?$this->thumbPath:dirname($filename).'/'; 118 $thumbExt = $this->thumbExt ? $this->thumbExt : $file['extension']; //自定义缩略图扩展名 119 // 生成图像缩略图 120 require_once '/Image.class.php'; 121 for($i=0,$len=count($thumbWidth); $i<$len; $i++) { 122 if(!empty($thumbFile[$i])) { 123 $thumbname = $thumbFile[$i]; 124 }else{ 125 $prefix = isset($thumbPrefix[$i])?$thumbPrefix[$i]:$thumbPrefix[0]; 126 $suffix = isset($thumbSuffix[$i])?$thumbSuffix[$i]:$thumbSuffix[0]; 127 $thumbname = $prefix.basename($filename,'.'.$file['extension']).$suffix; 128 } 129 Image::thumb($filename,$thumbPath.$thumbname.'.'.$thumbExt,'',$thumbWidth[$i],$thumbHeight[$i],true); 130 } 131 if($this->thumbRemoveOrigin) { 132 // 生成缩略图之后删除原图 133 unlink($filename); 134 } 135 } 136 } 137 if($this->zipImags) { 138 // TODO 对图片压缩包在线解压 139 140 } 141 return true; 142 } 143 144 /** 145 * 上传所有文件 146 * @access public 147 * @param string $savePath 上传文件保存路径 148 * @return string 149 */ 150 public function upload($savePath ='') { 151 //如果不指定保存文件名，则由系统默认 152 if(empty($savePath)) 153 $savePath = $this->savePath; 154 // 检查上传目录 155 if(!is_dir($savePath)) { 156 // 检查目录是否编码后的 157 if(is_dir(base64_decode($savePath))) { 158 $savePath = base64_decode($savePath); 159 }else{ 160 // 尝试创建目录 161 if(!mkdir($savePath)){ 162 $this->error = '上传目录'.$savePath.'不存在'; 163 return false; 164 } 165 } 166 }else { 167 if(!is_writeable($savePath)) { 168 $this->error = '上传目录'.$savePath.'不可写'; 169 return false; 170 } 171 } 172 $fileInfo = array(); 173 $isUpload = false; 174 175 // 获取上传的文件信息 176 // 对$_FILES数组信息处理 177 $files = $this->dealFiles($_FILES); 178 foreach($files as $key => $file) { 179 //过滤无效的上传 180 if(!empty($file['name'])) { 181 //登记上传文件的扩展信息 182 if(!isset($file['key'])) $file['key'] = $key; 183 $file['extension'] = $this->getExt($file['name']); 184 $file['savepath'] = $savePath; 185 $file['savename'] = $this->getSaveName($file); 186 187 // 自动检查附件 188 if($this->autoCheck) { 189 if(!$this->check($file)) 190 return false; 191 } 192 193 //保存上传文件 194 if(!$this->save($file)) return false; 195 if(function_exists($this->hashType)) { 196 $fun = $this->hashType; 197 $file['hash'] = $fun($this->autoCharset($file['savepath'].$file['savename'],'utf-8','gbk')); 198 } 199 //上传成功后保存文件信息，供其他地方调用 200 unset($file['tmp_name'],$file['error']); 201 $fileInfo[] = $file; 202 $isUpload = true; 203 } 204 } 205 if($isUpload) { 206 $this->uploadFileInfo = $fileInfo; 207 return true; 208 }else { 209 $this->error = '没有选择上传文件'; 210 return false; 211 } 212 } 213 214 /** 215 * 上传单个上传字段中的文件 支持多附件 216 * @access public 217 * @param array $file 上传文件信息 218 * @param string $savePath 上传文件保存路径 219 * @return string 220 */ 221 public function uploadOne($file,$savePath=''){ 222 //如果不指定保存文件名，则由系统默认 223 if(empty($savePath)) 224 $savePath = $this->savePath; 225 // 检查上传目录 226 if(!is_dir($savePath)) { 227 // 尝试创建目录 228 if(!mkdir($savePath,0777,true)){ 229 $this->error = '上传目录'.$savePath.'不存在'; 230 return false; 231 } 232 }else { 233 if(!is_writeable($savePath)) { 234 $this->error = '上传目录'.$savePath.'不可写'; 235 return false; 236 } 237 } 238 //过滤无效的上传 239 if(!empty($file['name'])) { 240 $fileArray = array(); 241 if(is_array($file['name'])) { 242 $keys = array_keys($file); 243 $count = count($file['name']); 244 for ($i=0; $i<$count; $i++) { 245 foreach ($keys as $key) 246 $fileArray[$i][$key] = $file[$key][$i]; 247 } 248 }else{ 249 $fileArray[] = $file; 250 } 251 $info = array(); 252 foreach ($fileArray as $key=>$file){ 253 //登记上传文件的扩展信息 254 $file['extension'] = $this->getExt($file['name']); 255 $file['savepath'] = $savePath; 256 $file['savename'] = $this->getSaveName($file); 257 // 自动检查附件 258 if($this->autoCheck) { 259 if(!$this->check($file)) 260 return false; 261 } 262 263 //保存上传文件 264 if(!$this->save($file)) return false; 265 if(function_exists($this->hashType)) { 266 $fun = $this->hashType; 267 $file['hash'] = $fun($this->autoCharset($file['savepath'].$file['savename'],'utf-8','gbk')); 268 } 269 unset($file['tmp_name'],$file['error']); 270 $info[] = $file; 271 } 272 // 返回上传的文件信息 273 return $info; 274 }else { 275 $this->error = '没有选择上传文件'; 276 return false; 277 } 278 } 279 280 /** 281 * 转换上传文件数组变量为正确的方式 282 * @access private 283 * @param array $files 上传的文件变量 284 * @return array 285 */ 286 private function dealFiles($files) { 287 $fileArray = array(); 288 $n = 0; 289 foreach ($files as $key=>$file){ 290 if(is_array($file['name'])) { 291 $keys = array_keys($file); 292 $count = count($file['name']); 293 for ($i=0; $i<$count; $i++) { 294 $fileArray[$n]['key'] = $key; 295 foreach ($keys as $_key){ 296 $fileArray[$n][$_key] = $file[$_key][$i]; 297 } 298 $n++; 299 } 300 }else{ 301 $fileArray[$key] = $file; 302 } 303 } 304 return $fileArray; 305 } 306 307 /** 308 * 获取错误代码信息 309 * @access public 310 * @param string $errorNo 错误号码 311 * @return void 312 */ 313 protected function error($errorNo) { 314 switch($errorNo) { 315 case 1: 316 $this->error = '上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值'; 317 break; 318 case 2: 319 $this->error = '上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值'; 320 break; 321 case 3: 322 $this->error = '文件只有部分被上传'; 323 break; 324 case 4: 325 $this->error = '没有文件被上传'; 326 break; 327 case 6: 328 $this->error = '找不到临时文件夹'; 329 break; 330 case 7: 331 $this->error = '文件写入失败'; 332 break; 333 default: 334 $this->error = '未知上传错误！'; 335 } 336 return ; 337 } 338 339 /** 340 * 根据上传文件命名规则取得保存文件名 341 * @access private 342 * @param string $filename 数据 343 * @return string 344 */ 345 private function getSaveName($filename) { 346 $rule = $this->saveRule; 347 if(empty($rule)) {//没有定义命名规则，则保持文件名不变 348 $saveName = $filename['name']; 349 }else { 350 if(function_exists($rule)) { 351 //使用函数生成一个唯一文件标识号 352 $saveName = $rule().".".$filename['extension']; 353 }else { 354 //使用给定的文件名作为标识号 355 $saveName = $rule.".".$filename['extension']; 356 } 357 } 358 if($this->autoSub) { 359 // 使用子目录保存文件 360 $filename['savename'] = $saveName; 361 $saveName = $this->getSubName($filename).$saveName; 362 } 363 return $saveName; 364 } 365 366 /** 367 * 获取子目录的名称 368 * @access private 369 * @param array $file 上传的文件信息 370 * @return string 371 */ 372 private function getSubName($file) { 373 switch($this->subType) { 374 case 'custom': 375 $dir = $this->subDir; 376 break; 377 case 'date': 378 $dir = date($this->dateFormat,time()).'/'; 379 break; 380 case 'hash': 381 default: 382 $name = md5($file['savename']); 383 $dir = ''; 384 for($i=0;$i<$this->hashLevel;$i++) { 385 $dir .= $name{$i}.'/'; 386 } 387 break; 388 } 389 if(!is_dir($file['savepath'].$dir)) { 390 mkdir($file['savepath'].$dir,0777,true); 391 } 392 return $dir; 393 } 394 395 /** 396 * 检查上传的文件 397 * @access private 398 * @param array $file 文件信息 399 * @return boolean 400 */ 401 private function check($file) { 402 if($file['error']!== 0) { 403 //文件上传失败 404 //捕获错误代码 405 $this->error($file['error']); 406 return false; 407 } 408 //文件上传成功，进行自定义规则检查 409 //检查文件大小 410 if(!$this->checkSize($file['size'])) { 411 $this->error = '上传文件大小不符！'; 412 return false; 413 } 414 415 //检查文件Mime类型 416 if(!$this->checkType($file['type'])) { 417 $this->error = '上传文件MIME类型不允许！'; 418 return false; 419 } 420 //检查文件类型 421 if(!$this->checkExt($file['extension'])) { 422 $this->error ='上传文件类型不允许'; 423 return false; 424 } 425 426 //检查是否合法上传 427 if(!$this->checkUpload($file['tmp_name'])) { 428 $this->error = '非法上传文件！'; 429 return false; 430 } 431 return true; 432 } 433 434 // 自动转换字符集 支持数组转换 435 private function autoCharset($fContents, $from='gbk', $to='utf-8') { 436 $from = strtoupper($from) == 'UTF8' ? 'utf-8' : $from; 437 $to = strtoupper($to) == 'UTF8' ? 'utf-8' : $to; 438 if (strtoupper($from) === strtoupper($to) || empty($fContents) || (is_scalar($fContents) && !is_string($fContents))) { 439 //如果编码相同或者非字符串标量则不转换 440 return $fContents; 441 } 442 if (function_exists('mb_convert_encoding')) { 443 return mb_convert_encoding($fContents, $to, $from); 444 } elseif (function_exists('iconv')) { 445 return iconv($from, $to, $fContents); 446 } else { 447 return $fContents; 448 } 449 } 450 451 /** 452 * 检查上传的文件类型是否合法 453 * @access private 454 * @param string $type 数据 455 * @return boolean 456 */ 457 private function checkType($type) { 458 if(!empty($this->allowTypes)) 459 return in_array(strtolower($type),$this->allowTypes); 460 return true; 461 } 462 463 464 /** 465 * 检查上传的文件后缀是否合法 466 * @access private 467 * @param string $ext 后缀名 468 * @return boolean 469 */ 470 private function checkExt($ext) { 471 if(!empty($this->allowExts)) 472 return in_array(strtolower($ext),$this->allowExts,true); 473 return true; 474 } 475 476 /** 477 * 检查文件大小是否合法 478 * @access private 479 * @param integer $size 数据 480 * @return boolean 481 */ 482 private function checkSize($size) { 483 return !($size > $this->maxSize) || (-1 == $this->maxSize); 484 } 485 486 /** 487 * 检查文件是否非法提交 488 * @access private 489 * @param string $filename 文件名 490 * @return boolean 491 */ 492 private function checkUpload($filename) { 493 return is_uploaded_file($filename); 494 } 495 496 /** 497 * 取得上传文件的后缀 498 * @access private 499 * @param string $filename 文件名 500 * @return boolean 501 */ 502 private function getExt($filename) { 503 $pathinfo = pathinfo($filename); 504 return $pathinfo['extension']; 505 } 506 507 /** 508 * 取得上传文件的信息 509 * @access public 510 * @return array 511 */ 512 public function getUploadFileInfo() { 513 return $this->uploadFileInfo; 514 } 515 516 /** 517 * 取得最后一次错误信息 518 * @access public 519 * @return string 520 */ 521 public function getErrorMsg() { 522 return $this->error; 523 } 524 }
Image.class.php 自定义图片处理类
1 <?php 2 // +---------------------------------------------------------------------- 3 // | Copyright (C) 浩天科技 www.ihotte.com admin@ihotte.com 4 // +---------------------------------------------------------------------- 5 // | Licensed: ( http://www.apache.org/licenses/LICENSE-2.0 ) 6 // +---------------------------------------------------------------------- 7 // | Author: 左手边的回忆 QQ:858908467 E-mail:858908467@qq.com 8 // +---------------------------------------------------------------------- 9 /** 10 +------------------------------------------------------------------------------ 11 * 文件$ID ： Image.class.php 12 +------------------------------------------------------------------------------ 13 * 路径$ID ： inc/Image.class.php 14 +------------------------------------------------------------------------------ 15 * 程序版本： 浩天 WebFTP V1.0.0 2011-10-01 16 +------------------------------------------------------------------------------ 17 * 功能简介： 图像处理 Image Class 18 +------------------------------------------------------------------------------ 19 * 注意事项： 请勿私自删除此版权信息！ 20 +------------------------------------------------------------------------------ 21 **/ 22 23 class Image 24 { 25 26 /** 27 +---------------------------------------------------------- 28 * 取得图像信息 29 * 30 +---------------------------------------------------------- 31 * @static 32 * @access public 33 +---------------------------------------------------------- 34 * @param string $image 图像文件名 35 +---------------------------------------------------------- 36 * @return mixed 37 +---------------------------------------------------------- 38 */ 39 static function getImageInfo($img) { 40 $imageInfo = getimagesize($img); 41 if( $imageInfo!== false) { 42 $imageType = strtolower(substr(image_type_to_extension($imageInfo[2]),1)); 43 $imageSize = filesize($img); 44 $info = array( 45 "width"=>$imageInfo[0], 46 "height"=>$imageInfo[1], 47 "type"=>$imageType, 48 "size"=>$imageSize, 49 "mime"=>$imageInfo['mime'] 50 ); 51 return $info; 52 }else { 53 return false; 54 } 55 } 56 /** 57 +---------------------------------------------------------- 58 * 为图片添加水印 59 +---------------------------------------------------------- 60 * @static public 61 +---------------------------------------------------------- 62 * @param string $source 原文件名 63 * @param string $water 水印图片 64 * @param string $$savename 添加水印后的图片名 65 * @param string $alpha 水印的透明度 66 +---------------------------------------------------------- 67 * @return string 68 +---------------------------------------------------------- 69 * @throws ThinkExecption 70 +---------------------------------------------------------- 71 */ 72 static public function water($source, $water, $savename=null, $alpha=80) { 73 //检查文件是否存在 74 if (!file_exists($source) || !file_exists($water)) 75 return false; 76 77 //图片信息 78 $sInfo = self::getImageInfo($source); 79 $wInfo = self::getImageInfo($water); 80 81 //如果图片小于水印图片，不生成图片 82 if ($sInfo["width"] < $wInfo["width"] || $sInfo['height'] < $wInfo['height']) 83 return false; 84 85 //建立图像 86 $sCreateFun = "imagecreatefrom" . $sInfo['type']; 87 $sImage = $sCreateFun($source); 88 $wCreateFun = "imagecreatefrom" . $wInfo['type']; 89 $wImage = $wCreateFun($water); 90 91 //设定图像的混色模式 92 imagealphablending($wImage, true); 93 94 //图像位置,默认为右下角右对齐 95 $posY = $sInfo["height"] - $wInfo["height"]; 96 $posX = $sInfo["width"] - $wInfo["width"]; 97 98 //生成混合图像 99 imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo['width'], $wInfo['height'], $alpha); 100 101 //输出图像 102 $ImageFun = 'Image' . $sInfo['type']; 103 //如果没有给出保存文件名，默认为原图像名 104 if (!$savename) { 105 $savename = $source; 106 @unlink($source); 107 } 108 //保存图像 109 $ImageFun($sImage, $savename); 110 imagedestroy($sImage); 111 } 112 113 static public function watermark($source,$target = '',$config ) { 114 $watermarkPadding = $config['watermark_pospadding']; 115 $w_pos = $config['watermark_pos']; 116 if($config['watermark_img'])$w_img = './Public/Images/'.$config['watermark_img']; 117 $w_text = $config['watemard_text']; 118 $w_font = $config['watemard_text_size']; 119 $w_color = $config['watemard_text_color']; 120 $fontface = './Public/Images/font/'.$config['watemard_text_face']; 121 122 $w_pct = $config['watermark_pct']; 123 $w_quality = $config['watermark_quality']; 124 $w_minheight = $config['watemard_text']; 125 $w_minwidth = $config['watemard_text']; 126 $watermarkPadding = $config['watermark_pospadding']; 127 $w_pos = $config['watermark_pos']; 128 129 $positionPadding = ($watermarkPadding && $watermarkPadding > 0) ? $watermarkPadding : 5; // 边距 130 131 $w_pos = $w_pos ? $w_pos : 9; 132 $w_img = $w_img ? $w_img : $w_img; 133 if(!$target) $target = $source; 134 135 $source_info = getimagesize($source); 136 $source_w = $source_info[0]; 137 $source_h = $source_info[1]; 138 if($source_w < $w_minwidth || $source_h < $w_minheight) return false; 139 140 switch($source_info[2]) { 141 case 1 : 142 $source_img = imagecreatefromgif($source); 143 break; 144 case 2 : 145 $source_img = imagecreatefromjpeg($source); 146 break; 147 case 3 : 148 $source_img = imagecreatefrompng($source); 149 break; 150 default : 151 return false; 152 } 153 if(!empty($w_img) && file_exists($w_img)) { 154 155 $ifwaterimage = 1; 156 $water_info = getimagesize($w_img); 157 $width = $water_info[0]; 158 $height = $water_info[1]; 159 switch($water_info[2]) { 160 case 1 : 161 $water_img = imagecreatefromgif($w_img); 162 break; 163 case 2 : 164 $water_img = imagecreatefromjpeg($w_img); 165 break; 166 case 3 : 167 $water_img = imagecreatefrompng($w_img); 168 break; 169 default : 170 return; 171 } 172 } else { 173 174 $ifwaterimage = 0; 175 $temp = imagettfbbox(ceil($w_font*2.5), 0, $fontface, $w_text); 176 $width = $temp[2] - $temp[6]; 177 $height = $temp[3] - $temp[7]; 178 unset($temp); 179 180 } 181 switch($w_pos) { 182 case 1: 183 $wx = $positionPadding; 184 $wy = $positionPadding; 185 break; 186 case 2: 187 $wx = ($source_w - $width) / 2; 188 $wy = $positionPadding; 189 break; 190 case 3: 191 $wx = $source_w - $width; 192 $wy = $positionPadding; 193 break; 194 case 4: 195 $wx = $positionPadding; 196 $wy = ($source_h - $height) / 2; 197 break; 198 case 5: 199 $wx = ($source_w - $width) / 2; 200 $wy = ($source_h - $height) / 2; 201 break; 202 case 6: 203 $wx = $source_w - $width - $positionPadding; 204 $wy = ($source_h - $height) / 2; 205 break; 206 case 7: 207 $wx = $positionPadding; 208 $wy = $source_h - $height; 209 break; 210 case 8: 211 $wx = ($source_w - $width) / 2; 212 $wy = $source_h - $height - $positionPadding; 213 break; 214 case 9: 215 $wx = $source_w - $width - $positionPadding; 216 $wy = $source_h - $height - $positionPadding ; 217 break; 218 case 10: 219 $wx = rand(0,($source_w - $width)); 220 $wy = rand(0,($source_h - $height)); 221 break; 222 default: 223 $wx = rand(0,($source_w - $width)); 224 $wy = rand(0,($source_h - $height)); 225 break; 226 } 227 if($ifwaterimage) { 228 if($water_info[2] == 3) { 229 imagecopy($source_img, $water_img, $wx, $wy, 0, 0, $width, $height); 230 } else { 231 imagecopymerge($source_img, $water_img, $wx, $wy, 0, 0, $width, $height, $w_pct); 232 } 233 } else { 234 if(!empty($w_color) && (strlen($w_color)==7)) { 235 $r = hexdec(substr($w_color,1,2)); 236 $g = hexdec(substr($w_color,3,2)); 237 $b = hexdec(substr($w_color,5)); 238 } else { 239 return; 240 } 241 242 $black = imagecolorallocate($source_img, $r,$g, $b);//设置颜色 243 imagettftext($source_img, $w_font, 0, $wx, $wy, $black, $fontface, $w_text);//打印水印 244 245 } 246 247 switch($source_info[2]) { 248 case 1 : 249 imagegif($source_img, $target); 250 break; 251 case 2 : 252 imagejpeg($source_img, $target, $w_quality); 253 break; 254 case 3 : 255 imagepng($source_img, $target); 256 break; 257 default : 258 return; 259 } 260 261 if(isset($water_info)) { 262 unset($water_info); 263 } 264 if(isset($water_img)) { 265 imagedestroy($water_img); 266 } 267 unset($source_info); 268 imagedestroy($source_img); 269 return true; 270 271 } 272 273 /** 274 +---------------------------------------------------------- 275 * 显示服务器图像文件 276 * 支持URL方式 277 +---------------------------------------------------------- 278 * @static 279 * @access public 280 +---------------------------------------------------------- 281 * @param string $imgFile 图像文件名 282 * @param string $text 文字字符串 283 * @param string $width 图像宽度 284 * @param string $height 图像高度 285 +---------------------------------------------------------- 286 * @return void 287 +---------------------------------------------------------- 288 */ 289 static function showImg($imgFile,$text='',$width=80,$height=30) { 290 //获取图像文件信息 291 $info = Image::getImageInfo($imgFile); 292 if($info !== false) { 293 $createFun = str_replace('/','createfrom',$info['mime']); 294 $im = $createFun($imgFile); 295 if($im) { 296 $ImageFun= str_replace('/','',$info['mime']); 297 if(!empty($text)) { 298 $tc = imagecolorallocate($im, 0, 0, 0); 299 imagestring($im, 3, 5, 5, $text, $tc); 300 } 301 if($info['type']=='png' || $info['type']=='gif') { 302 imagealphablending($im, false);//取消默认的混色模式 303 imagesavealpha($im,true);//设定保存完整的 alpha 通道信息 304 } 305 header("Content-type: ".$info['mime']); 306 $ImageFun($im); 307 imagedestroy($im); 308 return true; 309 } 310 }else{ 311 return false; 312 } 313 //获取或者创建图像文件失败则生成空白PNG图片 314 $im = imagecreatetruecolor($width, $height); 315 $bgc = imagecolorallocate($im, 255, 255, 255); 316 $tc = imagecolorallocate($im, 0, 0, 0); 317 imagefilledrectangle($im, 0, 0, 150, 30, $bgc); 318 imagestring($im, 4, 5, 5, "NO PIC", $tc); 319 Image::output($im); 320 return ; 321 } 322 323 /** 324 +---------------------------------------------------------- 325 * 生成缩略图 326 +---------------------------------------------------------- 327 * @static 328 * @access public 329 +---------------------------------------------------------- 330 * @param string $image 原图 331 * @param string $type 图像格式 332 * @param string $thumbname 缩略图文件名 333 * @param string $maxWidth 宽度 334 * @param string $maxHeight 高度 335 * @param string $position 缩略图保存目录 336 * @param boolean $interlace 启用隔行扫描 337 +---------------------------------------------------------- 338 * @return void 339 +---------------------------------------------------------- 340 */ 341 static function thumb($image,$thumbname,$type='',$maxWidth=200,$maxHeight=200,$interlace=true) 342 { 343 // 获取原图信息 344 $info = Image::getImageInfo($image); 345 if($info !== false) { 346 $srcWidth = $info['width']; 347 $srcHeight = $info['height']; 348 $type = empty($type)?$info['type']:$type; 349 $type = strtolower($type); 350 $interlace = $interlace? 1:0; 351 unset($info); 352 $scale = min($maxWidth/$srcWidth, $maxHeight/$srcHeight); // 计算缩放比例 353 if($scale>=1) { 354 // 超过原图大小不再缩略 355 $width = $srcWidth; 356 $height = $srcHeight; 357 }else{ 358 // 缩略图尺寸 359 $width = (int)($srcWidth*$scale); 360 $height = (int)($srcHeight*$scale); 361 } 362 363 364 // 载入原图 365 $createFun = 'ImageCreateFrom'.($type=='jpg'?'jpeg':$type); 366 $srcImg = $createFun($image); 367 368 //创建缩略图 369 if($type!='gif' && function_exists('imagecreatetruecolor')) 370 $thumbImg = imagecreatetruecolor($width, $height); 371 else 372 $thumbImg = imagecreate($width, $height); 373 374 // 复制图片 375 if(function_exists("ImageCopyResampled")) 376 imagecopyresampled($thumbImg, $srcImg, 0, 0, 0, 0, $width, $height, $srcWidth,$srcHeight); 377 else 378 imagecopyresized($thumbImg, $srcImg, 0, 0, 0, 0, $width, $height, $srcWidth,$srcHeight); 379 if('gif'==$type || 'png'==$type) { 380 //imagealphablending($thumbImg, false);//取消默认的混色模式 381 //imagesavealpha($thumbImg,true);//设定保存完整的 alpha 通道信息 382 $background_color = imagecolorallocate($thumbImg, 0,255,0); // 指派一个绿色 383 imagecolortransparent($thumbImg,$background_color); // 设置为透明色，若注释掉该行则输出绿色的图 384 } 385 386 // 对jpeg图形设置隔行扫描 387 if('jpg'==$type || 'jpeg'==$type) imageinterlace($thumbImg,$interlace); 388 389 //$gray=ImageColorAllocate($thumbImg,255,0,0); 390 //ImageString($thumbImg,2,5,5,"ThinkPHP",$gray); 391 // 生成图片 392 $imageFun = 'image'.($type=='jpg'?'jpeg':$type); 393 $imageFun($thumbImg,$thumbname); 394 imagedestroy($thumbImg); 395 imagedestroy($srcImg); 396 return $thumbname; 397 } 398 return false; 399 } 400 401 /** 402 +---------------------------------------------------------- 403 * 根据给定的字符串生成图像 404 +---------------------------------------------------------- 405 * @static 406 * @access public 407 +---------------------------------------------------------- 408 * @param string $string 字符串 409 * @param string $size 图像大小 width,height 或者 array(width,height) 410 * @param string $font 字体信息 fontface,fontsize 或者 array(fontface,fontsize) 411 * @param string $type 图像格式 默认PNG 412 * @param integer $disturb 是否干扰 1 点干扰 2 线干扰 3 复合干扰 0 无干扰 413 * @param bool $border 是否加边框 array(color) 414 +---------------------------------------------------------- 415 * @return string 416 +---------------------------------------------------------- 417 */ 418 static function buildString($string,$rgb=array(),$filename='',$type='png',$disturb=1,$border=true) { 419 if(is_string($size)) $size = explode(',',$size); 420 $width = $size[0]; 421 $height = $size[1]; 422 if(is_string($font)) $font = explode(',',$font); 423 $fontface = $font[0]; 424 $fontsize = $font[1]; 425 $length = strlen($string); 426 $width = ($length*9+10)>$width?$length*9+10:$width; 427 $height = 22; 428 if ( $type!='gif' && function_exists('imagecreatetruecolor')) { 429 $im = @imagecreatetruecolor($width,$height); 430 }else { 431 $im = @imagecreate($width,$height); 432 } 433 if(empty($rgb)) { 434 $color = imagecolorallocate($im, 102, 104, 104); 435 }else{ 436 $color = imagecolorallocate($im, $rgb[0], $rgb[1], $rgb[2]); 437 } 438 $backColor = imagecolorallocate($im, 255,255,255); //背景色（随机） 439 $borderColor = imagecolorallocate($im, 100, 100, 100); //边框色 440 $pointColor = imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); //点颜色 441 442 @imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor); 443 @imagerectangle($im, 0, 0, $width-1, $height-1, $borderColor); 444 @imagestring($im, 5, 5, 3, $string, $color); 445 if(!empty($disturb)) { 446 // 添加干扰 447 if($disturb=1 || $disturb=3) { 448 for($i=0;$i<25;$i++){ 449 imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$pointColor); 450 } 451 }elseif($disturb=2 || $disturb=3){ 452 for($i=0;$i<10;$i++){ 453 imagearc($im,mt_rand(-10,$width),mt_rand(-10,$height),mt_rand(30,300),mt_rand(20,200),55,44,$pointColor); 454 } 455 } 456 } 457 Image::output($im,$type,$filename); 458 } 459 460 /** 461 +---------------------------------------------------------- 462 * 生成图像验证码 463 +---------------------------------------------------------- 464 * @static 465 * @access public 466 +---------------------------------------------------------- 467 * @param string $length 位数 468 * @param string $mode 类型 469 * @param string $type 图像格式 470 * @param string $width 宽度 471 * @param string $height 高度 472 +---------------------------------------------------------- 473 * @return string 474 +---------------------------------------------------------- 475 */ 476 static function buildImageVerify($length=4,$mode=1,$type='png',$width=48,$height=22,$verifyName='verify') 477 { 478 import('@.ORG.String'); 479 $randval = String::rand_string($length,$mode); 480 $_SESSION[$verifyName]= md5($randval); 481 $width = ($length*10+10)>$width?$length*10+10:$width; 482 if ( $type!='gif' && function_exists('imagecreatetruecolor')) { 483 $im = @imagecreatetruecolor($width,$height); 484 }else { 485 $im = @imagecreate($width,$height); 486 } 487 $r = Array(225,255,255,223); 488 $g = Array(225,236,237,255); 489 $b = Array(225,236,166,125); 490 $key = mt_rand(0,3); 491 492 $backColor = imagecolorallocate($im, $r[$key],$g[$key],$b[$key]); //背景色（随机） 493 $borderColor = imagecolorallocate($im, 100, 100, 100); //边框色 494 $pointColor = imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); //点颜色 495 496 @imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor); 497 @imagerectangle($im, 0, 0, $width-1, $height-1, $borderColor); 498 $stringColor = imagecolorallocate($im,mt_rand(0,200),mt_rand(0,120),mt_rand(0,120)); 499 // 干扰 500 for($i=0;$i<10;$i++){ 501 $fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); 502 imagearc($im,mt_rand(-10,$width),mt_rand(-10,$height),mt_rand(30,300),mt_rand(20,200),55,44,$fontcolor); 503 } 504 for($i=0;$i<25;$i++){ 505 $fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); 506 imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$pointColor); 507 } 508 for($i=0;$i<$length;$i++) { 509 imagestring($im,5,$i*10+5,mt_rand(1,8),$randval{$i}, $stringColor); 510 } 511 // @imagestring($im, 5, 5, 3, $randval, $stringColor); 512 Image::output($im,$type); 513 } 514 515 // 中文验证码 516 static function GBVerify($length=4,$type='png',$width=180,$height=50,$fontface='simhei.ttf',$verifyName='verify') { 517 $code = rand_string($length,4); 518 $width = ($length*45)>$width?$length*45:$width; 519 $_SESSION[$verifyName]= md5($code); 520 $im=imagecreatetruecolor($width,$height); 521 $borderColor = imagecolorallocate($im, 100, 100, 100); //边框色 522 $bkcolor=imagecolorallocate($im,250,250,250); 523 imagefill($im,0,0,$bkcolor); 524 @imagerectangle($im, 0, 0, $width-1, $height-1, $borderColor); 525 // 干扰 526 for($i=0;$i<15;$i++){ 527 $fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); 528 imagearc($im,mt_rand(-10,$width),mt_rand(-10,$height),mt_rand(30,300),mt_rand(20,200),55,44,$fontcolor); 529 } 530 for($i=0;$i<255;$i++){ 531 $fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); 532 imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$fontcolor); 533 } 534 if(!is_file($fontface)) { 535 $fontface = dirname(__FILE__)."/".$fontface; 536 } 537 for($i=0;$i<$length;$i++){ 538 $fontcolor=imagecolorallocate($im,mt_rand(0,120),mt_rand(0,120),mt_rand(0,120)); //这样保证随机出来的颜色较深。 539 $codex= msubstr($code,$i,1); 540 imagettftext($im,mt_rand(16,20),mt_rand(-60,60),40*$i+20,mt_rand(30,35),$fontcolor,$fontface,$codex); 541 } 542 Image::output($im,$type); 543 } 544 545 /** 546 +---------------------------------------------------------- 547 * 把图像转换成字符显示 548 +---------------------------------------------------------- 549 * @static 550 * @access public 551 +---------------------------------------------------------- 552 * @param string $image 要显示的图像 553 * @param string $type 图像类型，默认自动获取 554 +---------------------------------------------------------- 555 * @return string 556 +---------------------------------------------------------- 557 */ 558 static function showASCIIImg($image,$string='',$type='') 559 { 560 $info = Image::getImageInfo($image); 561 if($info !== false) { 562 $type = empty($type)?$info['type']:$type; 563 unset($info); 564 // 载入原图 565 $createFun = 'ImageCreateFrom'.($type=='jpg'?'jpeg':$type); 566 $im = $createFun($image); 567 $dx = imagesx($im); 568 $dy = imagesy($im); 569 $i = 0; 570 $out = '<span style="padding:0px;margin:0;line-height:100%;font-size:1px;">'; 571 set_time_limit(0); 572 for($y = 0; $y < $dy; $y++) { 573 for($x=0; $x < $dx; $x++) { 574 $col = imagecolorat($im, $x, $y); 575 $rgb = imagecolorsforindex($im,$col); 576 $str = empty($string)?'*':$string[$i++]; 577 $out .= sprintf('<span style="margin:0px;color:#%02x%02x%02x">'.$str.'</span>',$rgb['red'],$rgb['green'],$rgb['blue']); 578 } 579 $out .= "<br>\n"; 580 } 581 $out .= '</span>'; 582 imagedestroy($im); 583 return $out; 584 } 585 return false; 586 } 587 588 /** 589 +---------------------------------------------------------- 590 * 生成高级图像验证码 591 +---------------------------------------------------------- 592 * @static 593 * @access public 594 +---------------------------------------------------------- 595 * @param string $type 图像格式 596 * @param string $width 宽度 597 * @param string $height 高度 598 +---------------------------------------------------------- 599 * @return string 600 +---------------------------------------------------------- 601 */ 602 static function showAdvVerify($type='png',$width=180,$height=40) 603 { 604 $rand = range('a','z'); 605 shuffle($rand); 606 $verifyCode = array_slice($rand,0,10); 607 $letter = implode(" ",$verifyCode); 608 $_SESSION['verifyCode'] = $verifyCode; 609 $im = imagecreate($width,$height); 610 $r = array(225,255,255,223); 611 $g = array(225,236,237,255); 612 $b = array(225,236,166,125); 613 $key = mt_rand(0,3); 614 $backColor = imagecolorallocate($im, $r[$key],$g[$key],$b[$key]); 615 $borderColor = imagecolorallocate($im, 100, 100, 100); //边框色 616 imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor); 617 imagerectangle($im, 0, 0, $width-1, $height-1, $borderColor); 618 $numberColor = imagecolorallocate($im, 255,rand(0,100), rand(0,100)); 619 $stringColor = imagecolorallocate($im, rand(0,100), rand(0,100), 255); 620 // 添加干扰 621 /* 622 for($i=0;$i<10;$i++){ 623 $fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); 624 imagearc($im,mt_rand(-10,$width),mt_rand(-10,$height),mt_rand(30,300),mt_rand(20,200),55,44,$fontcolor); 625 } 626 for($i=0;$i<255;$i++){ 627 $fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); 628 imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$fontcolor); 629 }*/ 630 imagestring($im, 5, 5, 1, "0 1 2 3 4 5 6 7 8 9", $numberColor); 631 imagestring($im, 5, 5, 20, $letter, $stringColor); 632 Image::output($im,$type); 633 } 634 635 /** 636 +---------------------------------------------------------- 637 * 生成UPC-A条形码 638 +---------------------------------------------------------- 639 * @static 640 +---------------------------------------------------------- 641 * @param string $type 图像格式 642 * @param string $type 图像格式 643 * @param string $lw 单元宽度 644 * @param string $hi 条码高度 645 +---------------------------------------------------------- 646 * @return string 647 +---------------------------------------------------------- 648 */ 649 static function UPCA($code,$type='png',$lw=2,$hi=100) { 650 static $Lencode = array('0001101','0011001','0010011','0111101','0100011', 651 '0110001','0101111','0111011','0110111','0001011'); 652 static $Rencode = array('1110010','1100110','1101100','1000010','1011100', 653 '1001110','1010000','1000100','1001000','1110100'); 654 $ends = '101'; 655 $center = '01010'; 656 /* UPC-A Must be 11 digits, we compute the checksum. */ 657 if ( strlen($code) != 11 ) { die("UPC-A Must be 11 digits."); } 658 /* Compute the EAN-13 Checksum digit */ 659 $ncode = '0'.$code; 660 $even = 0; $odd = 0; 661 for ($x=0;$x<12;$x++) { 662 if ($x % 2) { $odd += $ncode[$x]; } else { $even += $ncode[$x]; } 663 } 664 $code.=(10 - (($odd * 3 + $even) % 10)) % 10; 665 /* Create the bar encoding using a binary string */ 666 $bars=$ends; 667 $bars.=$Lencode[$code[0]]; 668 for($x=1;$x<6;$x++) { 669 $bars.=$Lencode[$code[$x]]; 670 } 671 $bars.=$center; 672 for($x=6;$x<12;$x++) { 673 $bars.=$Rencode[$code[$x]]; 674 } 675 $bars.=$ends; 676 /* Generate the Barcode Image */ 677 if ( $type!='gif' && function_exists('imagecreatetruecolor')) { 678 $im = imagecreatetruecolor($lw*95+30,$hi+30); 679 }else { 680 $im = imagecreate($lw*95+30,$hi+30); 681 } 682 $fg = ImageColorAllocate($im, 0, 0, 0); 683 $bg = ImageColorAllocate($im, 255, 255, 255); 684 ImageFilledRectangle($im, 0, 0, $lw*95+30, $hi+30, $bg); 685 $shift=10; 686 for ($x=0;$x<strlen($bars);$x++) { 687 if (($x<10) || ($x>=45 && $x<50) || ($x >=85)) { $sh=10; } else { $sh=0; } 688 if ($bars[$x] == '1') { $color = $fg; } else { $color = $bg; } 689 ImageFilledRectangle($im, ($x*$lw)+15,5,($x+1)*$lw+14,$hi+5+$sh,$color); 690 } 691 /* Add the Human Readable Label */ 692 ImageString($im,4,5,$hi-5,$code[0],$fg); 693 for ($x=0;$x<5;$x++) { 694 ImageString($im,5,$lw*(13+$x*6)+15,$hi+5,$code[$x+1],$fg); 695 ImageString($im,5,$lw*(53+$x*6)+15,$hi+5,$code[$x+6],$fg); 696 } 697 ImageString($im,4,$lw*95+17,$hi-5,$code[11],$fg); 698 /* Output the Header and Content. */ 699 Image::output($im,$type); 700 } 701 702 // 生成手机号码 703 static public function buildPhone() { 704 } 705 // 生成邮箱图片 706 static public function buildEmail($email,$rgb=array(),$filename='',$type='png') { 707 $mail = explode('@',$email); 708 $user = trim($mail[0]); 709 $mail = strtolower(trim($mail[1])); 710 $path = dirname(__FILE__).'/Mail/'; 711 if(is_file($path.$mail.'.png')) { 712 $im = imagecreatefrompng($path.$mail.'.png'); 713 $user_width = imagettfbbox(9, 0, dirname(__FILE__)."/Mail/tahoma.ttf", $user); 714 $x_value = (200 - ($user_width[2] + 113)); 715 if(empty($rgb)) { 716 $color = imagecolorallocate($im, 102, 104, 104); 717 }else{ 718 $color = imagecolorallocate($im, $rgb[0], $rgb[1], $rgb[2]); 719 } 720 imagettftext($im, 9, 0, $x_value, 16, $color, dirname(__FILE__)."/Mail/tahoma.ttf", $user); 721 }else{ 722 $user_width = imagettfbbox(9, 0, dirname(__FILE__)."/Mail/tahoma.ttf", $email); 723 $width = $user_width[2]+15; 724 $height = 20; 725 $im = imagecreate($width,20); 726 $backColor = imagecolorallocate($im, 255,255,255); //背景色（随机） 727 $borderColor = imagecolorallocate($im, 100, 100, 100); //边框色 728 $pointColor = imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); //点颜色 729 imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor); 730 imagerectangle($im, 0, 0, $width-1, $height-1, $borderColor); 731 if(empty($rgb)) { 732 $color = imagecolorallocate($im, 102, 104, 104); 733 }else{ 734 $color = imagecolorallocate($im, $rgb[0], $rgb[1], $rgb[2]); 735 } 736 imagettftext($im, 9, 0, 5, 16, $color, dirname(__FILE__)."/Mail/tahoma.ttf", $email); 737 for($i=0;$i<25;$i++){ 738 imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$pointColor); 739 } 740 } 741 Image::output($im,$type,$filename); 742 } 743 744 static function output($im,$type='png',$filename='') 745 { 746 header("Content-type: image/".$type); 747 $ImageFun='image'.$type; 748 if(empty($filename)) { 749 $ImageFun($im); 750 }else{ 751 $ImageFun($im,$filename); 752 } 753 imagedestroy($im); 754 } 755 756 } 757 ?>
