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javascript实现简单的进度条_javascript技巧

程序员文章站 2022-04-01 21:13:43
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示例一:


Process Bar
0%



再来分享一个结合.net的

建立一个WEB工程,添加新项->HTML页面,命名为ProgressBar.htm,内容如下:



无标题页
  


后台代码,Default.aspx.cs:

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;
using System.Threading;
using System.IO;

public partial class _Default : System.Web.UI.Page 
{
  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 = "";
    Response.Write(jsBlock);
    Response.Flush();
  }

  private void finishProgress()
  {
    string jsBlock = "";
    Response.Write(jsBlock);
    Response.Flush();
  }

  private void Page_Load(object sender, System.EventArgs e) 
  {
    beginProgress();

    for (int i = 1; i