新建一个ProgressBar.htm
Default.aspx
<!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" id="mainWindow">
<head>
<title>无标题页</title>
<script language="javascript">
function SetPorgressBar(pos) {
//设置进度条居中
var screenHeight = window["mainWindow"].offsetHeight;
var screenWidth = window["mainWindow"].offsetWidth;
ProgressBarSide.style.width = Math.round(screenWidth / 2);
ProgressBarSide.style.left = Math.round(screenWidth / 4);
ProgressBarSide.style.top = Math.round(screenHeight / 2);
ProgressBarSide.style.height = "21px";
ProgressBarSide.style.display = "";
//设置进度条百分比
ProgressBar.style.width = pos + "%";
ProgressText.innerHTML = pos + "%";
}
//完成后隐藏进度条
function SetCompleted() {
ProgressBarSide.style.display = "none";
}
</script>
</head>
<body>
<div id="ProgressBarSide" style="position:absolute;height:21x;width:218px;color:Silver;border-width:1px;border-style:Solid;display:none;background-image:url(/Images/WaitingFrame/BlockAreaTitle.gif);background-repeat :repeat-x">
<div id="ProgressBar" style="position:absolute;height:21px;width:0%;background-image:url(/images/WaitingFrame/ProgressBar.gif);background-repeat :repeat-x"></div>
<div id="ProgressText" style="position:absolute;height:21px;width:100%;text-align:center"></div>
</div>
<!-- <div id="ProgressBarSide" style='position:absolute;height:21x;width:100px;border-width:1px;border-style:Solid;display:none;background-image:url(/Images/WaitingFrame/BlockAreaTitle.gif);background-repeat :repeat-x'>
</div>
<div id="ProgressBar" style='position:absolute;height:21px;width:0%;background-image:url(/images/WaitingFrame/ProgressBar.gif);background-repeat :repeat-x'></div>
<div id="ProgressText" style="position:absolute;height:21px;width:100%; color:Silver;text-align:center"></div>
-->
</body>
</html>
Default.aspx
using System.Threading;
using System.IO;
private void beginProgress()
{
//根据ProgressBar.htm显示进度条界面
string templateFileName = Path.Combine(Server.MapPath("."), "ProgressBar.htm");
StreamReader reader = new StreamReader(@templateFileName, System.Text.Encoding.GetEncoding("GB2312"));
string html = reader.ReadToEnd();
reader.Close();
Response.Write(html);
Response.Flush();
}
private void setProgress(int percent)
{
string jsBlock = "<script>SetPorgressBar('" + percent.ToString() + "'); </script>";
Response.Write(jsBlock);
Response.Flush();
}
private void finishProgress()
{
string jsBlock = "<script>SetCompleted();</script>";
Response.Write(jsBlock);
Response.Flush();
}
private void Page_Load(object sender, System.EventArgs e)
{
beginProgress();
for (int i = 1; i <= 100; i++)
{
setProgress(i);
//此处用线程休眠代替实际的操作,如加载数据等
System.Threading.Thread.Sleep(50);
}
finishProgress();
}