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jQuery ajax upload image

$(function(){
new AjaxUpload('file1', {
action: 'uploadpic.asp',
name: 'form1',
data:{act:'uploadfile',FormName:'form1'},
autoSubmit:false,
responseType:'json',
onSubmit:function(file,ext){
if (!(ext && /^(jpg|png|gif)$/i.test(ext))){
alert('ÇëÄúÉÏ´«jpg|png|gif¸ñʽµÄͼƬ!');
return false;
}
else{
$('#esave').show();
}
},
onComplete:function(file,response){
$('#esave').hide();
$('#pic').val(response.imgfile);
}
});
});


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¡¡¡¡AJAX (Òì²½ JavaScript ºÍ XML) ÊǸöвúÉúµÄÊõÓï,רΪÃèÊöJavaScriptµÄÁ½ÏîÇ¿´óÐÔÄÜ.ÕâÁ½ÏîÐÔÄÜÔÚ¶àÄêÀ´Ò»Ö±±»ÍøÂ翪·¢ÕßËùºöÂÔ,Ö±µ½×î½üGmail, Google suggestºÍgoogle MapsµÄºá¿Õ³öÊÀ²ÅʹÈËÃÇ¿ªÊ¼Òâʶµ½ÆäÖØÒªÐÔ.
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Ajax add_initializeRequest

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<titl ......

Ajax add_pageLoaded

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
/// <summary>
/// Summary description for Commen ......

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