用javascript實(shí)現(xiàn)（頁(yè)面正在加載的效果）

2024-04-27 13:55:40

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供稿：網(wǎng)友

代碼文件：

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.sessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Threading;
namespace AjaxTest
{
    /**//// <summary>
    /// WebForm2 的摘要說(shuō)明。
    /// </summary>
    public class WebForm2 : System.Web.UI.Page
    {
        PRotected System.Web.UI.WebControls.Button Button1;
        protected System.Web.UI.WebControls.Label Label1;

        private void Page_Load(object sender, System.EventArgs e)
        {
            Response.Write("<div id='mydiv' >");
            Response.Write("_");
            Response.Write("</div>");
            Response.Write("<script>mydiv.innerText = '';</script>");
            Response.Write("<script language=javascript>;");
            Response.Write("var dots = 0;var dotmax = 10;function ShowWait()");
            Response.Write("{var output; output = '正在裝載頁(yè)面';dots++;if(dots>=dotmax)dots=1;");
            Response.Write("for(var x = 0;x < dots;x++){output += '·';}mydiv.innerText = output;}");
            Response.Write("function StartShowWait(){mydiv.style.visibility = 'visible'; ");
            Response.Write("window.setInterval('ShowWait()',1000);}");
            Response.Write("function HideWait(){mydiv.style.visibility = 'hidden';");
            Response.Write("window.clearInterval();}");
            Response.Write("StartShowWait();</script>");
            Response.Flush();//這一句是最關(guān)鍵的
        }

        private void Button1_Click(object sender, System.EventArgs e)
        {
            //當(dāng)點(diǎn)擊按鈕時(shí)，假設(shè)請(qǐng)求需要較長(zhǎng)時(shí)間(這里設(shè)置為10秒)
            System.Threading.Thread.Sleep(10000);
            this.Label1.Text = "終于加載完成啦";
        }

        Web 窗體設(shè)計(jì)器生成的代碼#region Web 窗體設(shè)計(jì)器生成的代碼
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: 該調(diào)用是 asp.net Web 窗體設(shè)計(jì)器所必需的。
            //
            InitializeComponent();
            base.OnInit(e);
        }

        /**//// <summary>
        /// 設(shè)計(jì)器支持所需的方法 - 不要使用代碼編輯器修改
        /// 此方法的內(nèi)容。
        /// </summary>
        private void InitializeComponent()
        {
            this.Button1.Click += new System.EventHandler(this.Button1_Click);
            this.Load += new System.EventHandler(this.Page_Load);