百度webuploader_c#实现文件分片上传思路
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<link rel="Stylesheet" type="text/css" href="Styles/webuploader.css"/>
<script src="Scripts/jquery-3.3.1.min.js"type="text/javascript"></script>
<script src="Scripts/webuploader.js"type="text/javascript"></script>
<!--<style type="text/css">
#ctlBtn {width:100%!important;height:100%!important;}
</style>-->
<style type="text/css">
.progress {
height: 20px;
margin-bottom: 20px;
overflow: hidden;
background-color: #f5f5f5;
border-radius: 4px;
-webkit-box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}
.progress.active .progress-bar {
-webkit-animation: progress-bar-stripes 2s linear infinite;
animation: progress-bar-stripes 2s linear infinite;
}
.progress-striped .progress-bar {
background-image: linear-gradient(45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);
background-size: 40px 40px;
}
.progress-bar {
background-image: -webkit-linear-gradient(top,#428bca 0,#3071a9 100%);
background-image: linear-gradient(to bottom,#428bca 0,#3071a9 100%);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=’#ff428bca’,endColorstr=’#ff3071a9’,GradientType=0);
}
.progress-bar {
float: left;
height: 100%;
font-size: 12px;
line-height: 20px;
color: #fff;
text-align: center;
background-color: #428bca;
box-shadow: inset 0 -1px 0 rgba(0,0,0,0.15);
transition: width .6s ease;
</style>
</head>
<body>
<div id="uploader" class="wu-example">
<!--用来存放文件信息-->
<div id="thelist" class="uploader-list"></div>
<div class="btns">
<div id="picker">上传文件</div>
<button id="ctlBtn" class="btn btn-default">开始上传</button>
</div>
</div>
<script type="text/javascript">
$("#ctlBtn").click(function () {
uploader.upload();
});
var $list = $("#thelist"); //这几个初始化全局的百度文档上没说明，好蛋疼。
var $btn = $("#ctlBtn"); //开始上传
var uploader = WebUploader.create({
// swf文件路径
swf:'/js/Uploader.swf',
// 文件接收服务端。
server: 'Handler1.ashx',
// 选择文件的按钮。可选。
// 内部根据当前运行是创建，可能是input元素，也可能是flash.
pick: '#picker',
// 不压缩image, 默认如果是jpeg，文件上传前会压缩一把再上传！
resize: false
});
// 当有文件被添加进队列的时候
uploader.on('fileQueued', function (file) {
$list.append('<div id="' + file.id + '" class="item">' +
'<h4 class="info">' + file.name + '</h4>' +
'<p class="state">等待上传...</p>' +
'</div>');
});
// 文件上传过程中创建进度条实时显示。
uploader.on('uploadProgress', function (file, percentage) {
var $li = $('#' + file.id),
$percent = $li.find('.progress .progress-bar');
// 避免重复创建
if (!$percent.length) {
$percent = $('<div class="progress progress-striped active">' +
'<div class="progress-bar" role="progressbar" style="width: 0%">' +
'</div>' +
'</div>').appendTo($li).find('.progress-bar');
}
$li.find('p.state').text('上传中');
$percent.css('width', percentage * 100 + '%');
});
uploader.on('uploadSuccess', function (file) {
$('#' + file.id).find('p.state').text('已上传');
});
uploader.on('uploadError', function (file) {
$('#' + file.id).find('p.state').text('上传出错');
});
uploader.on('uploadComplete', function (file) {
$('#' + file.id).find('.progress').fadeOut();
});
</script>
</body>
</html>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace 测试2
{
/// <summary>
/// Handler1 的摘要说明
/// </summary>
public class Handler1 : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
HttpPostedFile file = context.Request.Files[0];
String fileName= System.IO.Path.GetFileName(file.FileName);
file.SaveAs(context.Server.MapPath("~/") + fileName);
//context.Response.Write("Hello World");
}
public bool IsReusable
{
get
{
return false;
}
}
}
}
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