页面跳转类 使用框架集 必备类库

using System;
using System.Data;

namespace Dachie.Common
{
/// <summary>
/// 页面跳转类
/// </summary>
public abstract class Message
{
public Message()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
/// <summary>
/// 提示信息并返回
/// </summary>
/// <param name="word">提示信息</param>
public static void back(string word)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>");
System.Web.HttpContext.Current.Response.Write("alert('" + word + "');");
System.Web.HttpContext.Current.Response.Write("history.back();");
System.Web.HttpContext.Current.Response.Write("</script>");
}

/// <summary>
/// 刷新左则框架
/// </summary>
/// <param name="word">框架名</param>
public static void ShowAndReLoad(string word, string rurl)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>");
System.Web.HttpContext.Current.Response.Write("alert('" + word + "');");
System.Web.HttpContext.Current.Response.Write("self.location='" + System.Web.HttpContext.Current.Request.UrlReferrer.ToString() + "';parent.leftFrame.location.href='" + rurl + "';");
System.Web.HttpContext.Current.Response.Write("</script>");
}
/// <summary>
/// 刷新左则框架
/// </summary>
/// <param name="word">框架名</param>
public static void ShowAndReLoad(string word, string url, string rurl)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>");
System.Web.HttpContext.Current.Response.Write("alert('" + word + "');");
System.Web.HttpContext.Current.Response.Write("self.location='" + url + "';parent.leftFrame.location.href='" + rurl + "';");
System.Web.HttpContext.Current.Response.Write("</script>");
}
/// <summary>
/// 提示信息并跳转
/// </summary>
/// <param name="word">提示信息</param>
/// <param name="url">跳转页面</param>
public static void Show(string word, string url)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>");
System.Web.HttpContext.Current.Response.Write("alert('" + word + "');");
System.Web.HttpContext.Current.Response.Write("self.location='" + url + "';");
System.Web.HttpContext.Current.Response.Write("</script>");
}
/// <summary>
/// 提示信息并跳转至上次请求页面
/// </summary>
/// <param name="word">提示信息</param>
public static void Show(string word)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>");
System.Web.HttpContext.Current.Response.Write("alert('" + word + "');");
System.Web.HttpContext.Current.Response.Write("self.location='" + System.Web.HttpContext.Current.Request.UrlReferrer.ToString() + "';");
System.Web.HttpContext.Current.Response.Write("</script>");
}

/// <summary>
/// 提示信息并从父窗口跳转
/// </summary>
/// <param name="word">提示信息</param>
/// <param name="url">跳转页面</param>
public static void to_parent(string word, string url)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>");
System.Web.HttpContext.Current.Response.Write("alert('" + word + "');");
System.Web.HttpContext.Current.Response.Write("parent.location='" + url + "';");
System.Web.HttpContext.Current.Response.Write("</script>");
}

/// <summary>
/// 从父窗口跳转
/// <param name="url">跳转页面</param>
public static void to_parent(string url)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>");
System.Web.HttpContext.Current.Response.Write("parent.location='" + url + "';");
System.Web.HttpContext.Current.Response.Write("</script>");
}

/******************取字符串**************************/

/// <summary>
/// 截断字符串
/// </summary>
/// <param name="str">字符串</param>
/// <param name="num">长度</param>
/// <returns>结果</returns>
public static string getNumstring(string str, int num)
{
string nstr = "";
//byte[] mybyte = System.Text.Encoding.Default.GetBytes(str);   //认为中文长度为2
int len = str.Length;
if (len > num)
{
nstr = str.Substring(0, num);
}
else
{
nstr = str;
}
return nstr;

}
}
}