jquery file upload + asp.net 异步多文件上传
<!DOCTYPE HTML>
<html lang="en">
<head>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<link rel="stylesheet" href="css/jquery.fileupload.css">
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="js/vendor/jquery.ui.widget.js"></script>
<script src="js/jquery.iframe-transport.js"></script>
<script src="js/jquery.fileupload.js"></script>
<script src="js/jquery.fileupload-process.js"></script>
<script src="js/jquery.fileupload-validate.js"></script>
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script type="text/javascript">
$(function () {
var url = '/Handler1.ashx?folder=/File/';
$('#fileupload').fileupload({
url: url,
dataType: 'json',
//如果有格式需求，可把里面 的 gif|jpe?g|png 替换成相应格式的文件
acceptFileTypes: /(\.|\/)(gif|jpe?g|png)$/i
}).on('fileuploaddone', function (e, data) {
//成功：handler中返回 json对象
//这里的 result 为你再handler中 返回的 json对象
alert(data.result.name);
}).on('fileuploadfail', function (e, data) {
//失败： 如果handler没有 返回 对象，则 会执行 这个 函数
var file = data.files[0];
alert(file.name);
}).on('fileuploadprocessalways', function (e, data) {
//格式判断
//1.引用上面的paocess.js validate.js
//2.如果格式不正确，执行该函数
var index = data.index, file = data.files[index];
if (file.error) {
alert(file.name);
alert(file.error); //error信息在 validate.js中，可以自己修改
}
});
})
</script>
</head>
<body>
<pre>
1.input控件如果 不加 multiple属性，则为单文件上传
2.bootstrap.min.css bootstrap.min.js
这个样式 是bootstrap的样式，如果有需求再引用，主要是为了好看
3.详细的返回方法见代码里面
</pre>
<span class="btn btn-success fileinput-button"><i class="glyphicon glyphicon-plus"></i>
<span>Select files...</span>
<input id="fileupload" type="file" name="files[]" multiple="multiple">
</span>
<div id="files" class="files">
</div>
</body>
</html>
handler
using System.IO;
using System.Web;
namespace NmsWebJQueryFileUpload
{
/// <summary>
/// Handler1 的摘要说明
/// </summary>
public class Handler1 : IHttpHandler
{
public bool IsReusable
{
get
{
return false;
}
}
public void ProcessRequest(HttpContext context)
{
HttpPostedFile uploadedfile = context.Request.Files[0];
string FileName = uploadedfile.FileName;
string FileType = uploadedfile.ContentType;
int FileSize = uploadedfile.ContentLength;
FileInfo info = new FileInfo(FileName);
string folderFullPath = context.Server.MapPath(context.Request["folder"]);
if (!Directory.Exists(folderFullPath))
{
Directory.CreateDirectory(folderFullPath);
}
uploadedfile.SaveAs(folderFullPath + "\\" + info.Name);
context.Response.ContentType = "text/plain";
//重点这里一定要返回 一个 对象。否则 html页面会认为请求错误的
context.Response.Write("{\"name\":\"" + info.Name + "\",\"url\":\"" + FileType + "\",\"size\":\"" + FileSize + "\"}");
}
}
}
