using System.Web;
namespace DotNet.Utilities
{
  /// <summary>
  /// 客戶端腳本輸出
  /// </summary>
  public class JsHelper
  {
    /// <summary>
    /// 彈出信息,并跳轉(zhuǎn)指定頁面。
    /// </summary>
    public static void AlertAndRedirect(string message, string toURL)
    {
      string js = "<script language=javascript>alert('{0}');window.location.replace('{1}')</script>";
      HttpContext.Current.Response.Write(string.Format(js, message, toURL));
      HttpContext.Current.Response.End();
    }
    /// <summary>
    /// 彈出信息,并返回歷史頁面
    /// </summary>
    public static void AlertAndGoHistory(string message, int value)
    {
      string js = @"<Script language='JavaScript'>alert('{0}');history.go({1});</Script>";
      HttpContext.Current.Response.Write(string.Format(js, message, value));
      HttpContext.Current.Response.End();
    }
    /// <summary>
    /// 直接跳轉(zhuǎn)到指定的頁面
    /// </summary>
    public static void Redirect(string toUrl)
    {
      string js = @"<script language=javascript>window.location.replace('{0}')</script>";
      HttpContext.Current.Response.Write(string.Format(js, toUrl));
    }
    /// <summary>
    /// 彈出信息 并指定到父窗口
    /// </summary>
    public static void AlertAndParentUrl(string message, string toURL)
    {
      string js = "<script language=javascript>alert('{0}');window.top.location.replace('{1}')</script>";
      HttpContext.Current.Response.Write(string.Format(js, message, toURL));
    }
    /// <summary>
    /// 返回到父窗口
    /// </summary>
    public static void ParentRedirect(string ToUrl)
    {
      string js = "<script language=javascript>window.top.location.replace('{0}')</script>";
      HttpContext.Current.Response.Write(string.Format(js, ToUrl));
    }
    /// <summary>
    /// 返回歷史頁面
    /// </summary>
    public static void BackHistory(int value)
    {
      string js = @"<Script language='JavaScript'>history.go({0});</Script>";
      HttpContext.Current.Response.Write(string.Format(js, value));
      HttpContext.Current.Response.End();
    }
    /// <summary>
    /// 彈出信息
    /// </summary>
    public static void Alert(string message)
    {
      string js = "<script language=javascript>alert('{0}');</script>";
      HttpContext.Current.Response.Write(string.Format(js, message));
    }
    /// <summary>
    /// 注冊(cè)腳本塊
    /// </summary>
    public static void RegisterScriptBlock(System.Web.UI.Page page, string _ScriptString)
    {
      page.ClientScript.RegisterStartupScript(page.GetType(), "scriptblock", "<script type='text/javascript'>" + _ScriptString + "</script>");
    }
  }
}