建立test文件夹
PHP代码：
<?php
//var_dump($_FILES['file']);exit;
if(isset($_GET['option']) && $_GET['option']=='delete'){
@file_put_contents(dirname(__FILE__)."/------------0.txt", $_GET['path']."\r\n",FILE_APPEND);
unlink($_GET['path']);
$rs[] = array(
'success'=>true,
'info'=>'ok'
);
if(file_exists($_GET['path'])){
$rs[]['success']=false;
$rs[]['info']='未删除';
}
die(json_encode($rs));
}
if ((($_FILES["file"]["type"] == "image/gif")
|| ($_FILES["file"]["type"] == "image/jpeg")
|| ($_FILES["file"]["type"] == "image/png")
|| ($_FILES["file"]["type"] == "image/pjpeg"))
&& ($_FILES["file"]["size"] < (1024*1024)))
{
if ($_FILES["file"]["error"] > 0)
{
echo "Return Code: " . $_FILES["file"]["error"] . "<br />";
}
else
{
if (file_exists("test/" . $_FILES["file"]["name"]))
{
$fn = $_FILES["file"]["name"];
}
else
{
$imgurl = substr($_FILES["file"]["name"], strpos($_FILES["file"]["name"], '.'));
$imgurl = date("YmdHis",time()).$imgurl;
move_uploaded_file($_FILES["file"]["tmp_name"],"test/" . $imgurl);
$fn = "test/" . $imgurl;
}
}
$return_str[] = array(
'guid'=>date('His',time()),
'path'=>'test/',
'fileName'=>$fn,
'success'=>true
);
}
else
{
$return_str[] = array(
'guid'=>date('His',time()),
'path'=>'test/',
'fileName'=>$_FILES["file"]["name"],
'success'=>false,
'error'=>$_FILES["file"]["error"]
);
}
echo json_encode($return_str);
?>
HTML代码：
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="multipart/form-data; charset=utf-8" /> <title>文件上传</title> <style type="text/css"> .btn { position: relative; background-color: blue; width: 80px; text-align: center; font-size: 12px; color: white; line-height: 30px; height: 30px; border-radius: 4px; } .btn:hover { cursor: pointer; } .btn input { opacity: 0; filter: alpha(opacity=0); position: absolute; top: 0px; left: 0px; line-height: 30px; height: 30px; width: 80px; } #fileLsit li span { margin-left: 10px; color: red; } #fileLsit { font-size: 12px; list-style-type: none; } </style> </head> <body> <div class="btn"> <span>添加附件</span> <!--这里注意：file 标签必须具有name属性，由于没有加name属性，文件上传不到服务到哪--> <input type="file" id="fileName" name="file" /> </div> <ul id="fileLsit" style="border:1px solid red;"> </ul> <!--引入jquery类库--> <script type="text/javascript" src="js/jquery.js"></script> <!--引入jquery.form插件--> <script type="text/javascript" src="js/jquery.form.js"></script> <script type="text/javascript"> jQuery(function () { var option = { type: 'post', dataType: 'json', //数据格式为json resetForm: true, beforeSubmit: showRequest,//提交前事件 uploadProgress: uploadProgress,//正在提交的时间 success: showResponse//上传完毕的事件 } jQuery('#fileName').wrap( '<form method="post" action="test.php" id="myForm2" enctype="multipart/form-data"></form>'); jQuery('#fileName').change(function () { $('#myForm2').ajaxSubmit(option); }); }); //删除文件 var deleteFile = function (path, guid) { console.log(path+'/'+guid); jQuery.getJSON('test.php?option=delete', { path: path }, function (reslut) { console.log(path+'/'+guid+''+reslut[0].info); if (reslut[0].success) {//删除成功 jQuery('#' + guid).remove(); console.log('删除成功'); } else {//删除失败 alert(reslut[0].info); } }); console.log('end'); } //上传中 var uploadProgress = function (event, position, total, percentComplete) { jQuery('.btn span').text('上传中...'); } //开始提交 function showRequest(formData, jqForm, options) { jQuery('.btn span').text('开始上传..'); var queryString = $.param(formData); } //上传完成 var showResponse = function (responseText, statusText, xhr, $form) { console.log(responseText); if (responseText[0].success) {//成功之后返回文件地址、文件名称等信息 拼接呈现到html里面。 var str = '<li id="' + responseText[0].guid + '"><a href="' + responseText[0].fileName + '" target="_blank">' + responseText[0].fileName + '</a><span onclick="deleteFile(\'' + responseText[0].fileName + '\',\'' + responseText[0].guid + '\')" >删除</span></li>'; jQuery('#fileLsit').append(str); } jQuery('.btn span').text('上传完成'); jQuery('.btn span').text('添加附件'); } </script> </body> </html>
