C#后端操作Js的帮助类库JsHelper源码

JsHelper帮助类实现：

前端JS在后台调用的C#帮助类库JSHelper源码

轻松实现在C#后台操作JS方法

public class JSHelper
    {
        /// <summary>
        /// 向客户端写入js脚本
        /// </summary>
        /// <param name="script">js内容</param>
        public static void RegisterScript(string script)
        {
            Page page = HttpContext.Current.Handler as Page;
            page.ClientScript.RegisterStartupScript(page.GetType(), "js2", string.Format("<script>{0}</script>", script));
        }
  
        /// <summary>
        /// JS弹出对消息话框
        /// </summary>
        /// <param name="message">要显示的消息</param>
        public static void Alert(string message)
        {
            Page page = HttpContext.Current.Handler as Page;
            Guid gid = new Guid();
            string jsblock = "js" + gid.ToString();
            page.ClientScript.RegisterStartupScript(page.GetType(), jsblock, string.Format("<script>alert(\"{0}\")</script>", message));
        }
  
        /// <summary>
        /// JS跳转指定URL
        /// </summary>
        /// <param name="url">要转到的URL</param>
        public static void GoToUrl(string url)
        {
            RegisterScript(string.Format("location.href='{0}'", url));
        }
  
        /// <summary>
        /// JS刷新页面
        /// </summary>
        public static void Refresh()
        {
            RegisterScript(string.Format ("location.reload();"));
        }
  
        public static void AlertAndRedirect(string message, string url)
        {
            Alert(message);
            GoToUrl(url);
        }
    }