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Demo下载
http://download.csdn.net/detail/qq873113580/8823259
效果图
这个后续自己可以改成弹窗的 主要是用了jqupload 下面是前台页面
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Ajax File Upload</title>
<style type="text/css">
body {
font-family: Verdana, Arial, sans-serif;
font-size:90%;
}
h1, h2, h3, h4 {
margin-top: 0px;
}
div.row {
margin-bottom: 10px;
}
*.focus {
outline: none;
}
.floatLeft {
float: left;
}
.floatRight {
float: right;
}
.clear {
clear: both;
}
form {
padding: 20px;
border: 1px solid #cccccc;
border-radius:10px;
-moz-border-radius:10px;
-webkit-box-shadow:0 0 10px #ccc;
box-shadow: 0 0 10px #ccc;
width:400px;
margin:20px auto;
background-image:-moz-linear-gradient(top,#ffffff,#f2f2f2);
background-image:-webkit-gradient(linear,left top,bottom,from(#ffffff),to(#f2f2f2));
}
input {
border:1px solid #ccc;
font-size: 13pt;
padding: 5px 10px 5px 10px;
border-radius:10px;
-moz-border-radius: 10px;
-webkit-transition: all 0.5s ease-in-out;
-moz-transition: all 0.5s ease-in-out;
transition: all 0.5s ease-in-out;
}
input[type=button] {
background-image: -moz-linear-gradient(top, #ffffff, #dfdfdf);
background-image: -webkit-gradient(linear, left top, left bottom, from(#ffffff), to(#dfdfdf));
}
input:focus {
-webkit-box-shadow:0 0 10px #ccc;
-moz-box-shadow: 0 0 10px #ccc;
box-shadow: 0 0 5px #ccc;
-webkit-transform: scale(1.05);
-moz-transform: scale(1.05);
transform: scale(1.05);
}
#file {
width: 378px;
}
#progressIndicator {
font-size: 10pt;
}
#fileInfo {
font-size: 10pt;
font-style: italic;
color: #aaa;
margin-top: 10px;
}
#progressBar {
height: 14px;
border: 1px solid #cccccc;
display: none;
border-radius:10px;
-moz-border-radius: 10px;
background-image: -moz-linear-gradient(top, #66cc00, #4b9500);
background-image: -webkit-gradient(linear, left top, left bottom, from(#66cc00), to(#4b9500));
background-color: #4b9500;
}
#uploadResponse {
margin-top: 10px;
padding: 20px;
overflow: hidden;
display: none;
border-radius:10px;
-moz-border-radius: 10px;
border: 1px solid #ccc;
box-shadow: 0 0 5px #ccc;
background-image: -moz-linear-gradient(top, #ff9900, #c77801);
background-image: -webkit-gradient(linear, left top, left bottom, from(#ff9900), to(#c77801));
background-color: #ff9900;
}
</style>
</head>
<body>
<form id="form" enctype="multipart/form-data" method="post" action="/jsupload/upload">
<div class="row">
<label for="file">选择</label>
<br/>
<input type="file" name="file" id="file"/>
</div>
<div class="row">
<input type="button" id="upload" value="上传" />
</div>
<div id="fileInfo">
<div id="fileName"></div>
<div id="fileSize"></div>
<div id="fileType"></div>
</div>
<div class="row"></div>
<div id="progressIndicator">
<div id="progressBar" class="floatLeft"></div>
<div id="progressNumber" class="floatRight"></div>
<div class="clear"></div>
<div>
<!--上传速度信息，上传完成所需要时间信息暂时没有实现-->
<!--
<div id="transferSpeedInfo" class="floatLeft" style="width: 80px;"></div>
<div id="timeRemainingInfo" class="floatLeft" style="margin-left: 10px;"></div>
-->
<div id="transferBytesInfo" class="floatRight" style="text-align: right;"></div>
<div class="clear"></div>
</div>
<div id="uploadResponse"></div>
</div>
</form>
<script type="text/javascript" src="script/jsupload.js"></script>
<script type="text/javascript">
;(function(document){
//file 对象
var file = document.getElementById('file'),
//不支持File API的浏览器调用该接口，预览上传文件信息
validUrl = '/jsupload/fileMessage',
//上传文件处理接口
uploadUrl = '/jsupload/upload',
//不支持File API的浏览器调用该接口，显示文件上传进度
progressUrl = '/jsupload/uploadProgress',
//上传按钮
upload = document.getElementById('upload'),
//上传进度条
progressBar = document.getElementById('progressBar'),
//上传百分比
progressNumber = document.getElementById('progressNumber'),
//已上传文件大小
transferBytesInfo = document.getElementById('transferBytesInfo'),
//服务器端处理结果
uploadResponse = document.getElementById('uploadResponse'),
//初始化一个JsUpload对象
jsUpload = new JsUpload({name:'__jsupload__',file:file,validUrl:validUrl,uploadUrl:uploadUrl,progressUrl:progressUrl});
JsUpload.bind(file,'change',function(event){
//隐藏上次上传完成后提示信息、进度条、上传大小
progressBar.style.display = 'none';
progressNumber.style.display = 'none';
transferBytesInfo.style.display = 'none';
uploadResponse.style.display = 'none';
jsUpload.change(this,function(name,size,type){
//预览上传文件信息
JsUpload.get('fileName').innerHTML = '文件名：' + name;
JsUpload.get('fileSize').innerHTML = '文件大小：' + size;
JsUpload.get('fileType').innerHTML = '文件类型：' + type;
});
});
//上传文件
JsUpload.bind(upload,'click',function(event){
//隐藏上次上传完成后提示信息、进度条、上传大小
progressBar.style.display = 'none';
progressNumber.style.display = 'none';
transferBytesInfo.style.display = 'none';
uploadResponse.style.display = 'none';
jsUpload.upload(this,file,function(cur,args1,args2){
switch(cur){
case 'progress':
//显示上传文件进度条
progressBar.style.display = 'block';
progressNumber.style.display = 'block';
transferBytesInfo.style.display = 'block';
progressBar.style.width = '0px';
progressNumber.innerHTML = args1 + '%';
progressBar.style.width = args1 * 3.55 + 'px';
transferBytesInfo.innerHTML = args2;
break;
case 'complete':
uploadResponse.style.display = 'block';
break;
case 'fail':
case 'load':
case 'error':
case 'abort':
uploadResponse.innerHTML = args1;
uploadResponse.style.display = 'block';
break;
default:
break;
}
});
});
})(document);
</script>
</body>
</html>
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原文地址：http://blog.csdn.net/qq873113580/article/details/46564267
