asp.net(c#)的警告操作类_c#在引用方法时添加警告-优快云博客

本文链接：https://blog.youkuaiyun.com/david_520042/article/details/3260764

本文介绍了一个 ASP.NET 中用于实现 JavaScript 弹出窗口和页面导航的实用类。该类提供了多种方法来简化警示消息显示、页面刷新、重定向等功能的实现。

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由于在写后台程序的时候经常涉及到要写js 弹出警告对话框,在网络上找到这样的一个类:

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http://www.opent.cn 作者:浪淘沙
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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.Text;

namespace EC
{
    /// <summary>
    /// 信息输出通用方法
    /// </summary>
    public class MessageObject
    {

        /// <summary>
        /// 一般输出
        /// </summary>
        /// <param name="str"></param>
        public static void Write(string str)
        {
            System.Web.HttpContext.Current.Response.Write(str);
        }
        /// <summary>
        /// 显示一段自定义的输出代码
        /// </summary>
        /// <param name="MyPage"></param>
        /// <param name="strCode"></param>
        public static void ShowJS(System.Web.UI.Page MyPage, string strCode)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=/"javascript/"> /n");
            sb.Append(strCode.Trim());
            sb.Append("</script>");
            MyPage.Response.Write(sb.ToString());
        }
        /// <summary>
        /// 页面重载
        /// </summary>
        public static void Location()
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=/"javascript/"> /n");
            sb.Append("window.location.href=window.location.href;");
            sb.Append("</script>");
            System.Web.HttpContext.Current.Response.Write(sb.ToString());

        }
        /// <summary>
        /// 显示一个弹出窗口
        /// </summary>
        /// <param name="str"></param>
        public static void Show(string str)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=/"javascript/"> /n");
            sb.Append("alert(/"" + str.Trim() + "/"); /n");
            sb.Append("</script>");

            System.Web.HttpContext.Current.Response.Write(sb.ToString());
        }
        /// <summary>
        /// 显示一个弹出窗口，并关闭当前页
        /// </summary>
        /// <param name="str"></param>
        public static void ShowClose(string str)
        {
            System.Text.StringBuilder sb = new System.Text.StringBuilder();
            sb.Append("<script language=/"javascript/">/n");
            sb.Append("alert(/"" + str.Trim() + "/"); /n");
            sb.Append("window.close();/n");
            sb.Append("</script>/n");
            System.Web.HttpContext.Current.Response.Write(sb.ToString());
        }
        /// <summary>
        /// 显示一个弹出窗口，并转向当前页(刷新)
        /// </summary>
        /// <param name="str"></param>
        public static void ShowLocation(string str)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=/"javascript/"> /n");
            sb.Append("alert(/"" + str.Trim() + "/"); /n");
            sb.Append("window.location.href=window.location.href;/n");
            sb.Append("</script>");

            System.Web.HttpContext.Current.Response.Write(sb.ToString());
        }
        /// <summary>
        /// 显示一个弹出窗口，并转向目标页(导航)
        /// </summary>
        /// <param name="str"></param>
        /// <param name="url"></param>
        public static void ShowRedirect(string str, string url)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=/"javascript/"> /n");
            sb.Append("alert(/"" + str.Trim() + "/"); /n");
            sb.Append("window.location.href=/"" + url.Trim() + "/";/n");
            sb.Append("</script>");

            System.Web.HttpContext.Current.Response.Write(sb.ToString());
        }
        /// <summary>
        /// 显示一个弹出窗口，并转向上一页
        /// </summary>
        /// <param name="str"></param>
        public static void ShowPre(string str)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=/"javascript/"> /n");
            sb.Append("alert(/"" + str.Trim() + "/"); /n");
            sb.Append("var p=document.referrer; /n");
            sb.Append("window.location.href=p;/n");
            sb.Append("</script>");

            System.Web.HttpContext.Current.Response.Write(sb.ToString());
        }
        /// <summary>
        /// 重定向
        /// </summary>
        /// <param name="url"></param>
        public static void RedirectPage(string url)
        {
            string path = "http://" + System.Web.HttpContext.Current.Request.Url.Host + url;
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=/"javascript/"> /n");
            sb.Append(string.Format("window.location.href='{0}';", @path));
            sb.Append("</script>");

System.Web.HttpContext.Current.Response.Write(sb.ToString());
}

}
}