App_Code/JavaScriptHelper.cs

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using System;
using System.Collections.Generic;
using System.Text;

namespace CommonLib
{
    public class JavaScriptHelper
    {
        /// <summary>
        /// 弹出JavaScript小窗口
        /// </summary>
        /// <param name="strMessage">提示信息</param>
        public static void Alert(string strMessage)
        {
            System.Web.HttpContext.Current.Response.Write("<script language=\"javascript\">alert(\"" + strMessage + "\");</script>");
        }

        /// <summary>
        /// 弹出JavaScript小窗口并重新定向到新的URL
        /// </summary>
        /// <param name="strMessage">提示信息</param>
        /// <param name="strRedirectUrl">新URL</param>
        public static void AlertAndRedirect(string strMessage, string strRedirectUrl)
        {
            System.Web.HttpContext.Current.Response.Write(String.Format("<script language=\"javascript\">alert(\"{0}\");window.location.replace(\"{1}\")</script>", strMessage, strRedirectUrl));
        }

        /// <summary>
        /// 重新定向到新的页面
        /// </summary>
        /// <param name="strRedirectUrl">新页面的URL</param>
        public static void Redirect(string strRedirectUrl)
        {
            System.Web.HttpContext.Current.Response.Write("<script language=\"javascript\">window.location=\"" + strRedirectUrl + "\";</script>");
        }

        /// <summary>
        /// 根据对话框重定义到指定的页面中
        /// </summary>
        /// <param name="strMsg">信息对话框</param>
        /// <param name="TrueUrl">如果选择[是]所指向的页面地址</param>
        /// <param name="FalseUrl">如果选择[否]所指向的页面地址</param>
        public static void ConfirmGoTo(string strMsg, string TrueUrl, string FalseUrl)
        {
            System.Web.HttpContext.Current.Response.Write("<SCRIPT language=\"javascript\">");
            System.Web.HttpContext.Current.Response.Write("if (confirm(\"" + strMsg + "\"))");
            System.Web.HttpContext.Current.Response.Write("{window.location='" + TrueUrl + "';}");
            System.Web.HttpContext.Current.Response.Write("else");
            System.Web.HttpContext.Current.Response.Write("{window.location='" + FalseUrl + "';}");
            System.Web.HttpContext.Current.Response.Write("</SCRIPT>");
        }

        /// <summary>
        /// 回到历史页面
        /// </summary>
        /// <param name="iValue">-1/1</param>
        public static void GoHistory(int iValue)
        {
            System.Web.HttpContext.Current.Response.Write(String.Format("<script language=\"JavaScript\">history.go({0});</script>", iValue));
        }