Jquery实现按钮点击遮罩加载，处理完后恢复

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="EasyUiLoad.aspx.cs" Inherits="EasyUiLoad" %><!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 runat="server">    <title>EasyUI加载效果</title>    <style type="text/css">    body{font-size:12px}    .datagrid-mask{position:absolute;left:0;top:0;width:100%;height:100%;opacity:.5;filter:alpha(opacity=30);background-color:#e0ecff;display:none}    .datagrid-mask-msg{position:absolute;top:50%;margin-top:-20px;padding:10px 15px 10px 15px;width:auto;height:16px;border-width:2px;border-color:#68a5ff;border-style:solid;display:none}    .img1{vertical-align:middle;}    </style>    <script src="JS/jquery-1.9.1.js" type="text/javascript"></script>    <script type="text/javascript">        //load        function EasyUILoad() {            $("<div class=\"datagrid-mask\"></div>").css({ display: "block", width: "100%", height: "auto !important" }).appendTo("body");            $("<div class=\"datagrid-mask-msg\"></div>").html("<img src='images/loading.gif' class='img1' />  正在运行，请稍候。。。").appendTo("body").css({ display: "block", left: ($(document.body).outerWidth(true) - 190) / 2, top: ($(window).height() - 45) / 2 });        }        //display Load          function dispalyEasyUILoad() {            $(".datagrid-mask").remove();            $(".datagrid-mask-msg").remove();        }          </script></head><body>    <form id="form1" runat="server">    <div>        <asp:Button ID="Button1" runat="server" Text="加载效果" OnClientClick="javascript:EasyUILoad();" onclick="Button1_Click" />    </div>    </form></body></html>

using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;public partial class EasyUiLoad : System.Web.UI.Page{    protected void Page_Load(object sender, EventArgs e)    {    }    protected void Button1_Click(object sender, EventArgs e)    {        System.Threading.Thread.Sleep(5000);        //处理逻辑...        //完成处理后恢复        ClientScript.RegisterStartupScript(this.GetType(), "closeLoad", "dispalyEasyUILoad();", true);    }}

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