用C#进的一个进度条
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ProgramBar.aspx.cs" Inherits="Example.Example.ProgramBar" %>
<!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>进度条实例</title>
</head>
<body>
<form id="form1" runat="server">
<script type="text/javascript">
//开始
function BeginTrans(msg)
...{
ViewText("topMsg",msg);
}
//显示加载进度
function ProgramBarInfo(msg,pos)
...{
programBar.style.width= pos + "%";
ViewText("topMsg",msg + " 已完成" + pos + "%");
}
//设置加载时间
function SetProgramBarTime(msg)
...{
ViewText("bottomMsg",msg);
}
//加载结束
function EndTrans(msg)
...{
if(typeof(msg)=="undefined")
ViewText("topMsg","完成");
else
ViewText("topMsg",msg);
}
//显示文本
function ViewText(id,msg)
...{
var strTag = '<font face="Verdana, Arial, Helvetica" size="2" color="#ea9b02"><B>' + msg + '</B></font>';
if (document.all) document.all[id].innerHTML = strTag;
}
</script>
<div style="text-align:center">
<div id="topMsg" style="width:30%;">正在加载.......</div>
<div style="border:solid 1px #CCC;width:30%; text-align:left" id="ProgramSide">
<div id="programBar" style="height:30px; background-color:#316AC5;width:0px;"></div>
</div>
<div id="bottomMsg" style="width:30%;"></div>
</div>
<div>
<%=response %>
</div>
</form>
</body>
</html>
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
namespace Example.Example
...{
public partial class ProgramBar : System.Web.UI.Page
...{
public static string response;
protected void Page_Load(object sender, EventArgs e)
...{
if (!IsPostBack)
...{
DateTime startTime = DateTime.Now;
DateTime endTime = DateTime.Now;
string jsBlock;
// 处理完成
response += "<script type="text/javascript">BeginTrans('开始处理...');</script> ";
// Response.Write(jsBlock);
System.Threading.Thread.Sleep(1000);
// 根据处理任务处理情况更新进度条
for (int i = 1; i <= 100; i++)
...{
System.Threading.Thread.Sleep(20);
response += "<script type="text/javascript">ProgramBarInfo('" + "A" + i.ToString() + "','" + i.ToString() + "');</script> ";
//Response.Write(jsBlock);
}
// 处理完成
response += "<script type="text/javascript">EndTrans('处理完成。');</script> ";
//Response.Write(jsBlock);
// 用时
endTime = DateTime.Now;
response += "<script type="text/javascript">SetProgramBarTime('用时" + GetTimeSpan(startTime, endTime) + "');</script>";
//Response.Write(jsBlock);
}
}
protected string GetTimeSpan(DateTime startTime, DateTime endTime)
...{
string timeSpan = string.Empty;
TimeSpan ts = endTime - startTime;
if (ts.Days > 0)
timeSpan += ts.Days.ToString() + "天";
if (ts.Hours > 0)
timeSpan += ts.Hours.ToString() + "小时";
if (ts.Minutes > 0)
timeSpan += ts.Minutes.ToString() + "分钟";
if (ts.Seconds > 0)
timeSpan += ts.Seconds.ToString() + "秒";
return timeSpan;
}
}
}
