js工具类的封装
common.js原生js实现的大多工具方法都将放在common文件中
布局rem.js,vue开发时,我们只需要将rem.js再main.js中import 引入即可
(function(win, doc){ var docEl = doc.documentElement, resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize', refresh = function () { var w = docEl.clientWidth, dpr = win.devicePixelRatio || 1; docEl.style.fontSize = 100 * (w/375) + 'px'; function setBodyFontSize () { if (doc.body) { doc.body.style.fontSize = '16px'; }else { doc.addEventListener('DOMContentLoaded', refresh) } } setBodyFontSize(); }; refresh(); if (!doc.addEventListener) return; win.addEventListener(resizeEvt, refresh, false); })(window, document);
Common.js
class Utils{ constructor () { this.ls = window.localStorage; this.ss = window.sessionStorage; } //DOM //通过类名获取元素样式 byClassName(sClassName){ if(document.getElementsBYClassName){ return document.getElementsByClassName(sClassName); } else { var allTagsName = document.getElementsByTagName('*'); var result = []; for(var i = 0; i<allTagsName.length;i++){ if(allTagsName[i].className === sClassName){ result.push(allTagsName[i]); } } return result; } } $(selector){ var type = selector.substring(0, 1); if (type === '#') { if (document.querySelecotor) return document.querySelector(selector) return document.getElementById(selector.substring(1)) }else if (type === '.') { if (document.querySelecotorAll) return document.querySelectorAll(selector) return document.getElementsByClassName(selector.substring(1)) }else{ return document['querySelectorAll' ? 'querySelectorAll':'getElementsByTagName'](selector) } } /*检测类名*/ hasClass (ele, name) { return ele.className.match(new RegExp('(\\s|^)' + name + '(\\s|$)')); } /*添加类名*/ addClass (ele, name) { if (!this.hasClass(ele, name)) ele.className += " " + name; } /*删除类名*/ removeClass (ele, name) { if (this.hasClass(ele, name)) { var reg = new RegExp('(\\s|^)' + name + '(\\s|$)'); ele.className = ele.className.replace(reg, ''); } } /*替换类名*/ replaceClass (ele, newName, oldName) { this.removeClass(ele, oldName); this.addClass(ele, newName); } /*获取兄弟节点*/ siblings (ele) { //console.log(ele.parentNode)获取父节点 var chid = ele.parentNode.children,eleMatch = []; for(var i = 0, len = chid.length; i < len; i ++){ if(chid[i] != ele){ eleMatch.push(chid[i]); } } return eleMatch; } /*获取行间样式属性*/ /* * obj: dom节点 * attr:节点属性 * */ getStyle(obj,attr) { if(obj.currentStyle){ return obj.currentStyle[attr]; } else { return getComputedStyle(obj,false)[attr]; } } //多属性缓冲运动 bufferMove(obj,target,fn,ratio){ var _this = this; var ratio = ratio || 8; clearInterval(obj.timer); obj.timer = setInterval(function(){ var allOk = true; for(var attr in target){ var cur = 0; if(attr === 'opacity'){ cur = parseInt(_this.getStyle(obj,'opacity') * 100); } else { cur = parseInt(_this.getStyle(obj,attr)); } var speed =(target[attr] - cur) / ratio; speed = speed > 0 ? Math.ceil(speed) : Math.floor(speed); var next = speed + cur; if(attr === 'opacity'){ obj.style.opacity = next; obj.style.opacity = 'alpha(opacity= ' + next + ') '; } else { obj.style[attr] = next + 'px'; } if(next !== target[attr]){ allOk = false; } } if(allOk){ clearInterval(obj.timer); if(fn){ fn(); } } },50) } //添加事件兼容,绑定多个事件 bindEvent(obj,type,fn){ if(obj.addEventListener){ obj.addEventListener(type,fn); } else { obj.attachEvent('on' + type,fn); } } //封装碰撞检测函数 Impact(a,b){ if( a.offsetLeft + a.offsetWidth <= b.offsetLeft || a.offsetTop + a.offsetHeight <= b.offsetTop || b.offsetLeft + b.offsetWidth <= a.offsetLeft || b.offsetTop + b.offsetHeight <= a.offsetTop ){ return false; } else { return true; } } //创建存储唯一键名的函数 createUniqueKey(){ return new Date().getTime() + Math.random(); } //Type类型判断 isString (o) { //是否字符串 return Object.prototype.toString.call(o).slice(8, -1) === 'String' } isNumber (o) { //是否数字 return Object.prototype.toString.call(o).slice(8, -1) === 'Number' } isObj (o) { //是否对象 return Object.prototype.toString.call(o).slice(8, -1) === 'Object' } isArray (o) { //是否数组 return Object.prototype.toString.call(o).slice(8, -1) === 'Array' } isDate (o) { //是否时间 return Object.prototype.toString.call(o).slice(8, -1) === 'Date' } isBoolean (o) { //是否boolean return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean' } isFunction (o) { //是否函数 return Object.prototype.toString.call(o).slice(8, -1) === 'Function' } isNull (o) { //是否为null return Object.prototype.toString.call(o).slice(8, -1) === 'Null' } isUndefined (o) { //是否undefined return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined' } isFalse (o) { if (o == '' || o == undefined || o == null || o == 'null' || o == 'undefined' || o == 0 || o == false || o == NaN) return true return false } isTrue (o) { return !this.isFalse(o) } isIos () { var u = navigator.userAgent; if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) {//安卓手机 // return "Android"; return false } else if (u.indexOf('iPhone') > -1) {//苹果手机 // return "iPhone"; return true } else if (u.indexOf('iPad') > -1) {//iPad // return "iPad"; return false } else if (u.indexOf('Windows Phone') > -1) {//winphone手机 // return "Windows Phone"; return false }else{ return false } } isPC () { //是否为PC端 var userAgentInfo = navigator.userAgent; var Agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"]; var flag = true; for (var v = 0; v < Agents.length; v++) { if (userAgentInfo.indexOf(Agents[v]) > 0) { flag = false; break; } } return flag; } //正则验证 browserType(){ var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串 var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器 var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器 var isEdge = userAgent.indexOf("Edge") > -1; //判断是否IE的Edge浏览器 var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器 var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器 var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1; //判断Chrome浏览器 if (isIE) { var reIE = new RegExp("MSIE (\\d+\\.\\d+);"); reIE.test(userAgent); var fIEVersion = parseFloat(RegExp["$1"]); if(fIEVersion == 7) return "IE7" else if(fIEVersion == 8) return "IE8"; else if(fIEVersion == 9) return "IE9"; else if(fIEVersion == 10) return "IE10"; else if(fIEVersion == 11) return "IE11"; else return "IE7以下"//IE版本过低 } if (isFF) return "FF"; if (isOpera) return "Opera"; if (isEdge) return "Edge"; if (isSafari) return "Safari"; if (isChrome) return "Chrome"; } checkStr (str, type) { switch (type) { case 'phone': //手机号码 return /^1[3|4|5|7|8][0-9]{9}$/.test(str); case 'tel': //座机 return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str); case 'card': //身份证 return /^\d{15}|\d{18}$/.test(str); case 'pwd': //密码以字母开头,长度在6~18之间,只能包含字母、数字和下划线 return /^[a-zA-Z]\w{5,17}$/.test(str) case 'postal': //邮政编码 return /[1-9]\d{5}(?!\d)/.test(str); case 'QQ': //QQ号 return /^[1-9][0-9]{4,9}$/.test(str); case 'email': //邮箱 return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str); case 'money': //金额(小数点2位) return /^\d*(?:\.\d{0,2})?$/.test(str); case 'URL': //网址 return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str) case 'IP': //IP return /((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))/.test(str); case 'date': //日期时间 return /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})\-(\d{2})\-(\d{2})$/.test(str) case 'number': //数字 return /^[0-9]$/.test(str); case 'english': //英文 return /^[a-zA-Z]+$/.test(str); case 'chinese': //中文 return /^[\u4E00-\u9FA5]+$/.test(str); case 'lower': //小写 return /^[a-z]+$/.test(str); case 'upper': //大写 return /^[A-Z]+$/.test(str); case 'HTML': //HTML标记 return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str); default: return true; } }
// 金钱的处理
function(x) {
//强制保留两位小数
var f = parseFloat(x);
if (isNaN(f)) return 0;
var f = Math.round(x * 100) / 100;
var s = f.toString();
var rs = s.indexOf('.');
if (rs < 0) {
rs = s.length;
s += '.';
}
while (s.length < (rs + 1) + 2) {
s += '0';
}
//每三位用一个逗号隔开
var leftNum=s.split(".")[0];
var rightNum="."+s.split(".")[1];
var result;
//定义数组记录截取后的价格
var resultArray=new Array();
if(leftNum.length>3){
var i=true;
while (i){
resultArray.push(leftNum.slice(-3));
leftNum=leftNum.slice(0,leftNum.length-3);
if(leftNum.length<4){
i=false;
}
}
//由于从后向前截取,所以从最后一个开始遍历并存到一个新的数组,顺序调换
var sortArray=new Array();
for(var i=resultArray.length-1;i>=0;i--){
sortArray.push(resultArray[i]);
}
result=leftNum+","+sortArray.join(",")+rightNum;
}else {
result=s;
}
return result;
}
//data /** * 格式化时间 * * @param {time} 时间 * @param {cFormat} 格式 * @return {String} 字符串 * * @example formatTime('2018-1-29', '{y}/{m}/{d} {h}:{i}:{s}') // -> 2018/01/29 00:00:00 */ formatTime(time, cFormat) { if (arguments.length === 0) return null if ((time + '').length === 10) { time = +time * 1000 } var format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}', date if (typeof time === 'object') { date = time } else { date = new Date(time) } var formatObj = { y: date.getFullYear(), m: date.getMonth() + 1, d: date.getDate(), h: date.getHours(), i: date.getMinutes(), s: date.getSeconds(), a: date.getDay() } var time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => { var value = formatObj[key] if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1] if (result.length > 0 && value < 10) { value = '0' + value } return value || 0 }) return time_str } /** * 返回指定长度的月份集合 * * @param {time} 时间 * @param {len} 长度 * @param {direction} 方向: 1: 前几个月; 2: 后几个月; 3:前后几个月 默认 3 * @return {Array} 数组 * * @example getMonths('2018-1-29', 6, 1) // -> ["2018-1", "2017-12", "2017-11", "2017-10", "2017-9", "2017-8", "2017-7"] */ getMonths(time, len, direction) { var mm = new Date(time).getMonth(), yy = new Date(time).getFullYear(), direction = isNaN(direction) ? 3 : direction, index = mm; var cutMonth = function(index) { if ( index <= len && index >= -len) { return direction === 1 ? formatPre(index).concat(cutMonth(++index)): direction === 2 ? formatNext(index).concat(cutMonth(++index)):formatCurr(index).concat(cutMonth(++index)) } return [] } var formatNext = function(i) { var y = Math.floor(i/12), m = i%12 return [yy+y + '-' + (m+1)] } var formatPre = function(i) { var y = Math.ceil(i/12), m = i%12 m = m===0 ? 12 : m return [yy-y + '-' + (13 - m)] } var formatCurr = function(i) { var y = Math.floor(i/12), yNext = Math.ceil(i/12), m = i%12, mNext = m===0 ? 12 : m return [yy-yNext + '-' + (13 - mNext),yy+y + '-' + (m+1)] } var unique = function(arr) { if ( Array.hasOwnProperty('from') ) { return Array.from(new Set(arr)); }else{ var n = {},r=[]; for(var i = 0; i < arr.length; i++){ if (!n[arr[i]]){ n[arr[i]] = true; r.push(arr[i]); } } return r; } } return direction !== 3 ? cutMonth(index) : unique(cutMonth(index).sort(function(t1, t2){ return new Date(t1).getTime() - new Date(t2).getTime() })) } /** * 返回指定长度的天数集合 * * @param {time} 时间 * @param {len} 长度 * @param {direction} 方向: 1: 前几天; 2: 后几天; 3:前后几天 默认 3 * @return {Array} 数组 * * @example date.getDays('2018-1-29', 6) // -> ["2018-1-26", "2018-1-27", "2018-1-28", "2018-1-29", "2018-1-30", "2018-1-31", "2018-2-1"] */ getDays(time, len, diretion) { var tt = new Date(time) var getDay = function(day) { var t = new Date(time) t.setDate(t.getDate() + day) var m = t.getMonth()+1 return t.getFullYear()+'-'+m+'-'+t.getDate() } var arr = [] if (diretion === 1) { for (var i = 1; i <= len; i++) { arr.unshift(getDay(-i)) } }else if(diretion === 2) { for (var i = 1; i <= len; i++) { arr.push(getDay(i)) } }else { for (var i = 1; i <= len; i++) { arr.unshift(getDay(-i)) } arr.push(tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()) for (var i = 1; i <= len; i++) { arr.push(getDay(i)) } } return diretion === 1 ? arr.concat([tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()]) : diretion === 2 ? [tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()].concat(arr) : arr } /** * @param {s} 秒数 * @return {String} 字符串 * * @example formatHMS(3610) // -> 1h0m10s */ formatHMS (s) { var str = '' if (s > 3600) { str = Math.floor(s/3600)+'h'+Math.floor(s%3600/60)+'m'+s%60+'s' }else if(s > 60) { str = Math.floor(s/60)+'m'+s%60+'s' }else{ str = s%60+'s' } return str } /*获取某月有多少天*/ getMonthOfDay (time) { var date = new Date(time) var year = date.getFullYear() var mouth = date.getMonth() + 1 var days //当月份为二月时,根据闰年还是非闰年判断天数 if (mouth == 2) { days = year % 4 == 0 ? 29 : 28 } else if (mouth == 1 || mouth == 3 || mouth == 5 || mouth == 7 || mouth == 8 || mouth == 10 || mouth == 12) { //月份为:1,3,5,7,8,10,12 时,为大月.则天数为31; days = 31 } else { //其他月份,天数为:30. days = 30 } return days } /*获取某年有多少天*/ getYearOfDay (time) { var firstDayYear = this.getFirstDayOfYear(time); var lastDayYear = this.getLastDayOfYear(time); var numSecond = (new Date(lastDayYear).getTime() - new Date(firstDayYear).getTime())/1000; return Math.ceil(numSecond/(24*3600)); } /*获取某年的第一天*/ getFirstDayOfYear (time) { var year = new Date(time).getFullYear(); return year + "-01-01 00:00:00"; } /*获取某年最后一天*/ getLastDayOfYear (time) { var year = new Date(time).getFullYear(); var dateString = year + "-12-01 00:00:00"; var endDay = this.getMonthOfDay(dateString); return year + "-12-" + endDay + " 23:59:59"; } /*获取某个日期是当年中的第几天*/ getDayOfYear (time) { var firstDayYear = this.getFirstDayOfYear(time); var numSecond = (new Date(time).getTime() - new Date(firstDayYear).getTime())/1000; return Math.ceil(numSecond/(24*3600)); } /*获取某个日期在这一年的第几周*/ getDayOfYearWeek (time) { var numdays = this.getDayOfYear(time); return Math.ceil(numdays / 7); } //Array /*判断一个元素是否在数组中*/ contains (arr, val) { return arr.indexOf(val) != -1 ? true : false; } /** * @param {arr} 数组 * @param {fn} 回调函数 * @return {undefined} */ each (arr, fn) { fn = fn || Function; var a = []; var args = Array.prototype.slice.call(arguments, 1); for(var i = 0; i < arr.length; i++) { var res = fn.apply(arr, [arr[i], i].concat(args)); if(res != null) a.push(res); } } /** * @param {arr} 数组 * @param {fn} 回调函数 * @param {thisObj} this指向 * @return {Array} */ map (arr, fn, thisObj) { var scope = thisObj || window; var a = []; for(var i = 0, j = arr.length; i < j; ++i) { var res = fn.call(scope, arr[i], i, this); if(res != null) a.push(res); } return a; } /** * @param {arr} 数组 * @param {type} 1:从小到大 2:从大到小 3:随机 * @return {Array} */ sort (arr, type = 1) { return arr.sort( (a, b) => { switch(type) { case 1: return a - b; case 2: return b - a; case 3: return Math.random() - 0.5; default: return arr; } }) } /*去重*/ unique (arr) { if ( Array.hasOwnProperty('from') ) { return Array.from(new Set(arr)); }else{ var n = {},r=[]; for(var i = 0; i < arr.length; i++){ if (!n[arr[i]]){ n[arr[i]] = true; r.push(arr[i]); } } return r; } } /*求两个集合的并集*/ union (a, b) { var newArr = a.concat(b); return this.unique(newArr); } /*求两个集合的交集*/ intersect (a, b) { var _this = this; a = this.unique(a); return this.map(a, function(o) { return _this.contains(b, o) ? o : null; }); } /*删除其中一个元素*/ remove (arr, ele) { var index = arr.indexOf(ele); if(index > -1) { arr.splice(index, 1); } return arr; } /*将类数组转换为数组的方法*/ formArray (ary) { var arr = []; if(Array.isArray(ary)) { arr = ary; } else { arr = Array.prototype.slice.call(ary); }; return arr; } /*最大值*/ max (arr) { return Math.max.apply(null, arr); } /*最小值*/ min (arr) { return Math.min.apply(null, arr); } /*求和*/ sum (arr) { return arr.reduce( (pre, cur) => { return pre + cur }) } /*平均值*/ average (arr) { return this.sum(arr)/arr.length } //String /** * 去除空格 * @param {str} * @param {type} * type: 1-所有空格 2-前后空格 3-前空格 4-后空格 * @return {String} */ trim (str, type) { type = type || 1 switch (type) { case 1: return str.replace(/\s+/g, ""); case 2: return str.replace(/(^\s*)|(\s*$)/g, ""); case 3: return str.replace(/(^\s*)/g, ""); case 4: return str.replace(/(\s*$)/g, ""); default: return str; } } /** * @param {str} * @param {type} * type: 1:首字母大写 2:首页母小写 3:大小写转换 4:全部大写 5:全部小写 * @return {String} */ changeCase (str, type) { type = type || 4 switch (type) { case 1: return str.replace(/\b\w+\b/g, function (word) { return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase(); }); case 2: return str.replace(/\b\w+\b/g, function (word) { return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase(); }); case 3: return str.split('').map( function(word){ if (/[a-z]/.test(word)) { return word.toUpperCase(); }else{ return word.toLowerCase() } }).join('') case 4: return str.toUpperCase(); case 5: return str.toLowerCase(); default: return str; } } /* 检测密码强度 */ checkPwd (str) { var Lv = 0; if (str.length < 6) { return Lv } if (/[0-9]/.test(str)) { Lv++ } if (/[a-z]/.test(str)) { Lv++ } if (/[A-Z]/.test(str)) { Lv++ } if (/[\.|-|_]/.test(str)) { Lv++ } return Lv; } /*过滤html代码(把<>转换)*/ filterTag (str) { str = str.replace(/&/ig, "&"); str = str.replace(/</ig, "<"); str = str.replace(/>/ig, ">"); str = str.replace(" ", " "); return str; } //Numbr /*随机数范围*/ random (min, max) { if (arguments.length === 2) { return Math.floor(min + Math.random() * ( (max+1) - min )) }else{ return null; } } /*将阿拉伯数字翻译成中文的大写数字*/ numberToChinese (num) { var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十"); var BB = new Array("", "十", "百", "仟", "萬", "億", "点", ""); var a = ("" + num).replace(/(^0*)/g, "").split("."), k = 0, re = ""; for(var i = a[0].length - 1; i >= 0; i--) { switch(k) { case 0: re = BB[7] + re; break; case 4: if(!new RegExp("0{4}//d{" + (a[0].length - i - 1) + "}$") .test(a[0])) re = BB[4] + re; break; case 8: re = BB[5] + re; BB[7] = BB[5]; k = 0; break; } if(k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0) re = AA[0] + re; if(a[0].charAt(i) != 0) re = AA[a[0].charAt(i)] + BB[k % 4] + re; k++; } if(a.length > 1) // 加上小数部分(如果有小数部分) { re += BB[6]; for(var i = 0; i < a[1].length; i++) re += AA[a[1].charAt(i)]; } if(re == '一十') re = "十"; if(re.match(/^一/) && re.length == 3) re = re.replace("一", ""); return re; } /*将数字转换为大写金额*/ changeToChinese (Num) { //判断如果传递进来的不是字符的话转换为字符 if(typeof Num == "number") { Num = new String(Num); }; Num = Num.replace(/,/g, "") //替换tomoney()中的“,” Num = Num.replace(/ /g, "") //替换tomoney()中的空格 Num = Num.replace(/¥/g, "") //替换掉可能出现的¥字符 if(isNaN(Num)) { //验证输入的字符是否为数字 //alert("请检查小写金额是否正确"); return ""; }; //字符处理完毕后开始转换,采用前后两部分分别转换 var part = String(Num).split("."); var newchar = ""; //小数点前进行转化 for(var i = part[0].length - 1; i >= 0; i--) { if(part[0].length > 10) { return ""; //若数量超过拾亿单位,提示 } var tmpnewchar = "" var perchar = part[0].charAt(i); switch(perchar) { case "0": tmpnewchar = "零" + tmpnewchar; break; case "1": tmpnewchar = "壹" + tmpnewchar; break; case "2": tmpnewchar = "贰" + tmpnewchar; break; case "3": tmpnewchar = "叁" + tmpnewchar; break; case "4": tmpnewchar = "肆" + tmpnewchar; break; case "5": tmpnewchar = "伍" + tmpnewchar; break; case "6": tmpnewchar = "陆" + tmpnewchar; break; case "7": tmpnewchar = "柒" + tmpnewchar; break; case "8": tmpnewchar = "捌" + tmpnewchar; break; case "9": tmpnewchar = "玖" + tmpnewchar; break; } switch(part[0].length - i - 1) { case 0: tmpnewchar = tmpnewchar + "元"; break; case 1: if(perchar != 0) tmpnewchar = tmpnewchar + "拾"; break; case 2: if(perchar != 0) tmpnewchar = tmpnewchar + "佰"; break; case 3: if(perchar != 0) tmpnewchar = tmpnewchar + "仟"; break; case 4: tmpnewchar = tmpnewchar + "万"; break; case 5: if(perchar != 0) tmpnewchar = tmpnewchar + "拾"; break; case 6: if(perchar != 0) tmpnewchar = tmpnewchar + "佰"; break; case 7: if(perchar != 0) tmpnewchar = tmpnewchar + "仟"; break; case 8: tmpnewchar = tmpnewchar + "亿"; break; case 9: tmpnewchar = tmpnewchar + "拾"; break; } var newchar = tmpnewchar + newchar; } //小数点之后进行转化 if(Num.indexOf(".") != -1) { if(part[1].length > 2) { // alert("小数点之后只能保留两位,系统将自动截断"); part[1] = part[1].substr(0, 2) } for(i = 0; i < part[1].length; i++) { tmpnewchar = "" perchar = part[1].charAt(i) switch(perchar) { case "0": tmpnewchar = "零" + tmpnewchar; break; case "1": tmpnewchar = "壹" + tmpnewchar; break; case "2": tmpnewchar = "贰" + tmpnewchar; break; case "3": tmpnewchar = "叁" + tmpnewchar; break; case "4": tmpnewchar = "肆" + tmpnewchar; break; case "5": tmpnewchar = "伍" + tmpnewchar; break; case "6": tmpnewchar = "陆" + tmpnewchar; break; case "7": tmpnewchar = "柒" + tmpnewchar; break; case "8": tmpnewchar = "捌" + tmpnewchar; break; case "9": tmpnewchar = "玖" + tmpnewchar; break; } if(i == 0) tmpnewchar = tmpnewchar + "角"; if(i == 1) tmpnewchar = tmpnewchar + "分"; newchar = newchar + tmpnewchar; } } //替换所有无用汉字 while(newchar.search("零零") != -1) newchar = newchar.replace("零零", "零"); newchar = newchar.replace("零亿", "亿"); newchar = newchar.replace("亿万", "亿"); newchar = newchar.replace("零万", "万"); newchar = newchar.replace("零元", "元"); newchar = newchar.replace("零角", ""); newchar = newchar.replace("零分", ""); if(newchar.charAt(newchar.length - 1) == "元") { newchar = newchar + "整" } return newchar; } //HTTP /*-----------------cookie---------------------*/ /*设置cookie*/ setCookie (name, value, day) { var setting = arguments[0]; if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){ for (var i in setting) { var oDate = new Date(); oDate.setDate(oDate.getDate() + day); document.cookie = i + '=' + setting[i] + ';expires=' + oDate; } }else{ var oDate = new Date(); oDate.setDate(oDate.getDate() + day); document.cookie = name + '=' + value + ';expires=' + oDate; } } /*获取cookie*/ getCookie (name) { var arr = document.cookie.split('; '); for (var i = 0; i < arr.length; i++) { var arr2 = arr[i].split('='); if (arr2[0] == name) { return arr2[1]; } } return ''; } /*删除cookie*/ removeCookie (name) { this.setCookie(name, 1, -1); } /*-----------------localStorage---------------------*/ /*设置localStorage*/ setLocal(key, val) { var setting = arguments[0]; if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){ for(var i in setting){ this.ls.setItem(i, JSON.stringify(setting[i])) } }else{ this.ls.setItem(key, JSON.stringify(val)) } } /*获取localStorage*/ getLocal(key) { if (key) return JSON.parse(this.ls.getItem(key)) return null; } /*移除localStorage*/ removeLocal(key) { this.ls.removeItem(key) } /*移除所有localStorage*/ clearLocal() { this.ls.clear() } /*-----------------sessionStorage---------------------*/ /*设置sessionStorage*/ setSession(key, val) { var setting = arguments[0]; if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){ for(var i in setting){ this.ss.setItem(i, JSON.stringify(setting[i])) } }else{ this.ss.setItem(key, JSON.stringify(val)) } } /*获取sessionStorage*/ getSession(key) { if (key) return JSON.parse(this.ss.getItem(key)) return null; } /*移除sessionStorage*/ removeSession(key) { this.ss.removeItem(key) } /*移除所有sessionStorage*/ clearSession() { this.ss.clear() }
/* 封装ajax函数
* @param {string}opt.type http连接的方式,包括POST和GET两种方式
* @param {string}opt.url 发送请求的url
* @param {boolean}opt.async 是否为异步请求,true为异步的,false为同步的
* @param {object}opt.data 发送的参数,格式为对象类型
* @param {function}opt.success ajax发送并接收成功调用的回调函数
*/
function ajax(opt) {
opt = opt || {};
opt.method = opt.method.toUpperCase() || 'POST';
opt.url = opt.url || '';
opt.async = opt.async || true;
opt.data = opt.data || null;
opt.success = opt.success || function () {};
var xmlHttp = null;
if (XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
} else {
xmlHttp = new ActiveXObject('Microsoft.XMLHTTP');
}
var params = [];
for (var key in opt.data) {
params.push(key + '=' + opt.data[key]);
}
var postData = params.join('&');
if (opt.method.toUpperCase() === 'POST') {
xmlHttp.open(opt.method, opt.url, opt.async);
xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');
xmlHttp.send(postData);
} else if (opt.method.toUpperCase() === 'GET') {
xmlHttp.open(opt.method, opt.url + '?' + postData, opt.async);
xmlHttp.send(null);
}
xmlHttp.onreadystatechange = function () {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
opt.success(xmlHttp.responseText);
}
};
}
/** * @param {url} * @param {setting} * @return {Promise} */ fetch(url, setting) { //设置参数的初始值 let opts={ method: (setting.method || 'GET').toUpperCase(), //请求方式 headers : setting.headers || {}, // 请求头设置 credentials : setting.credentials || true, // 设置cookie是否一起发送 body: setting.body || {}, mode : setting.mode || 'no-cors', // 可以设置 cors, no-cors, same-origin redirect : setting.redirect || 'follow', // follow, error, manual cache : setting.cache || 'default' // 设置 cache 模式 (default, reload, no-cache) } let dataType = setting.dataType || "json", // 解析方式 data = setting.data || "" // 参数 // 参数格式化 function params_format (obj) { var str = '' for (var i in obj) { str += `${i}=${obj[i]}&` } return str.split('').slice(0, -1).join('') } if (opts.method === 'GET') { url = url + (data?`?${params_format(data)}`:'') }else{ setting.body = data || {} } return new Promise( (resolve, reject) => { fetch(url, opts).then( async res => { let data = dataType === 'text' ? await res.text() : dataType === 'blob' ? await res.blob() : await res.json() resolve(data) }).catch( error => { reject(error) }) }) } //获取客户端ip地址需创建id为address的标签 getYourIP(){ var RTCPeerConnection = window.RTCPeerConnection || window.webkitRTCPeerConnection || window.mozRTCPeerConnection; if (RTCPeerConnection) (function () { var rtc = new RTCPeerConnection({iceServers:[]}); if (1 || window.mozRTCPeerConnection) { rtc.createDataChannel('', {reliable:false}); }; rtc.onicecandidate = function (evt) { if (evt.candidate) grepSDP("a="+evt.candidate.candidate); }; rtc.createOffer(function (offerDesc) { grepSDP(offerDesc.sdp); rtc.setLocalDescription(offerDesc); }, function (e) { console.warn("offer failed", e); }); var addrs = Object.create(null); addrs["0.0.0.0"] = false; function updateDisplay(newAddr) { if (newAddr in addrs) return; else addrs[newAddr] = true; var displayAddrs = Object.keys(addrs).filter(function (k) { return addrs[k]; }); for(var i = 0; i < displayAddrs.length; i++){ if(displayAddrs[i].length > 16){ displayAddrs.splice(i, 1); i--; } } document.getElementById('address').textContent = displayAddrs[0]; } function grepSDP(sdp) { var hosts = []; sdp.split('\r\n').forEach(function (line, index, arr) { if (~line.indexOf("a=candidate")) { var parts = line.split(' '), addr = parts[4], type = parts[7]; if (type === 'host') updateDisplay(addr); } else if (~line.indexOf("c=")) { var parts = line.split(' '), addr = parts[2]; updateDisplay(addr); } }); } })(); else{ document.getElementById('address').textContent = "请使用主流浏览器:chrome,firefox,opera,safari" // console.log("请使用主流浏览器:chrome,firefox,opera,safari"); } } //获取浏览器的信息 getBrowserInfo(){ var agent = navigator.userAgent.toLowerCase() ; console.log(agent); var arr = []; var system = agent.split(' ')[1].split(' ')[0].split('(')[1]; arr.push(system); var regStr_edge = /edge\/[\d.]+/gi; var regStr_ie = /trident\/[\d.]+/gi ; var regStr_ff = /firefox\/[\d.]+/gi; var regStr_chrome = /chrome\/[\d.]+/gi ; var regStr_saf = /safari\/[\d.]+/gi ; var regStr_opera = /opr\/[\d.]+/gi; //IE if(agent.indexOf("trident") > 0){ arr.push(agent.match(regStr_ie)[0].split('/')[0]); arr.push(agent.match(regStr_ie)[0].split('/')[1]); return arr; } //Edge if(agent.indexOf('edge') > 0){ arr.push(agent.match(regStr_edge)[0].split('/')[0]); arr.push(agent.match(regStr_edge)[0].split('/')[1]); return arr; } //firefox if(agent.indexOf("firefox") > 0){ arr.push(agent.match(regStr_ff)[0].split('/')[0]); arr.push(agent.match(regStr_ff)[0].split('/')[1]); return arr; } //Opera if(agent.indexOf("opr")>0){ arr.push(agent.match(regStr_opera)[0].split('/')[0]); arr.push(agent.match(regStr_opera)[0].split('/')[1]); return arr; } //Safari if(agent.indexOf("safari") > 0 && agent.indexOf("chrome") < 0){ arr.push(agent.match(regStr_saf)[0].split('/')[0]); arr.push(agent.match(regStr_saf)[0].split('/')[1]); return arr; } //Chrome if(agent.indexOf("chrome") > 0){ arr.push(agent.match(regStr_chrome)[0].split('/')[0]); arr.push(agent.match(regStr_chrome)[0].split('/')[1]); return arr; }else{ arr.push('请更换主流浏览器,例如chrome,firefox,opera,safari,IE,Edge!') return arr; } } //Other /*获取网址参数,name为网址中的参数键值*/ getURL(name){ var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)"); var r = window.location.search.substr(1).match(reg); if(r!=null) return r[2]; return null; } /*获取全部url参数,并转换成json对象*/ getUrlAllParams (url) { var url = url ? url : window.location.href; var _pa = url.substring(url.indexOf('?') + 1), _arrS = _pa.split('&'), _rs = {}; for (var i = 0, _len = _arrS.length; i < _len; i++) { var pos = _arrS[i].indexOf('='); if (pos == -1) { continue; } var name = _arrS[i].substring(0, pos), value = window.decodeURIComponent(_arrS[i].substring(pos + 1)); _rs[name] = value; } return _rs; } /*删除url指定参数,返回url*/ delParamsUrl(url, name){ var baseUrl = url.split('?')[0] + '?'; var query = url.split('?')[1]; if (query.indexOf(name)>-1) { var obj = {} var arr = query.split("&"); for (var i = 0; i < arr.length; i++) { arr[i] = arr[i].split("="); obj[arr[i][0]] = arr[i][1]; }; delete obj[name]; var url = baseUrl + JSON.stringify(obj).replace(/[\"\{\}]/g,"").replace(/\:/g,"=").replace(/\,/g,"&"); return url }else{ return url; } } /*获取十六进制随机颜色*/ getRandomColor () { return '#' + (function(h) { return new Array(7 - h.length).join("0") + h; })((Math.random() * 0x1000000 << 0).toString(16)); } /*图片加载*/ imgLoadAll(arr,callback){ var arrImg = []; for (var i = 0; i < arr.length; i++) { var img = new Image(); console.log(img); img.src = arr[i]; img.onload = function(){ arrImg.push(this); if (arrImg.length == arr.length) { callback && callback(); } } } } /*音频加载*/ loadAudio(src, callback) { var audio = new Audio(src); audio.onloadedmetadata = callback; audio.src = src; } /*DOM转字符串*/ domToStirng(htmlDOM){ var div= document.createElement("div"); div.appendChild(htmlDOM); return div.innerHTML } /*字符串转DOM*/ stringToDom(htmlString){ var div= document.createElement("div"); div.innerHTML=htmlString; return div.children[0]; } /** * 光标所在位置插入字符,并设置光标位置 * * @param {dom} 输入框 * @param {val} 插入的值 * @param {posLen} 光标位置处在 插入的值的哪个位置 */ setCursorPosition (dom,val,posLen) { var cursorPosition = 0; if(dom.selectionStart){ cursorPosition = dom.selectionStart; } this.insertAtCursor(dom,val); dom.focus(); console.log(posLen) dom.setSelectionRange(dom.value.length,cursorPosition + (posLen || val.length)); } /*光标所在位置插入字符*/ insertAtCursor(dom, val) { if (document.selection){ dom.focus(); sel = document.selection.createRange(); sel.text = val; sel.select(); }else if (dom.selectionStart || dom.selectionStart == '0'){ let startPos = dom.selectionStart; let endPos = dom.selectionEnd; let restoreTop = dom.scrollTop; dom.value = dom.value.substring(0, startPos) + val + dom.value.substring(endPos, dom.value.length); if (restoreTop > 0){ dom.scrollTop = restoreTop; } dom.focus(); dom.selectionStart = startPos + val.length; dom.selectionEnd = startPos + val.length; } else { dom.value += val; dom.focus(); } } }
作者:狗尾草
-------------------------------------------
个性签名:海到无边天作岸,山登绝顶人为峰!
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