常用方法

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace CommHelper
{
 public class CWeb
 {
  /// <summary>
  /// 弹出JavaScript小窗口
  /// </summary>
  /// <param name="message">窗口信息</param>
  public static void Message(string message)
  {
   StringBuilder str = new StringBuilder();
   str.Append("<script language=\"javascript\" type=\"text/javascript\">");
   str.Append("alert('");
   str.Append(message);
   str.Append("');</script>");
   HttpContext.Current.Response.Write(str);
  }
  /// <summary>
  /// 处理JavaScript
  /// </summary>
  /// <param name="page"></param>
  /// <param name="script"></param>
  public static void ResponseScript(Page page, string script)
  {
   page.ClientScript.RegisterStartupScript(page.GetType(), "message", "<script language=\"javascript\" type=\"text/javascript\" defer>" + script + "</script>");
  }
  /// <summary>
  /// 提示小窗口
  /// </summary>
  /// <param name="page"></param>
  /// <param name="msg"></param>
  public static void Show(Page page, string msg)
  {
   page.ClientScript.RegisterStartupScript(page.GetType(), "message", "<script language=\"javascript\" type=\"text/javascript\" defer>alert('" + msg.ToString() + "');</script>");
  }  
  /// <summary>
  /// 提示并转至新页面
  /// </summary>
  /// <param name="page"></param>
  /// <param name="msg"></param>
  /// <param name="url"></param>
  public static void ShowAndRedirects(Page page, string msg, string url)
  {
   StringBuilder builder = new StringBuilder();
   builder.Append("<script language=\"javascript\" type=\"text/javascript\" defer>");
   builder.AppendFormat("alert('{0}');", msg);
   builder.AppendFormat("top.location.href='{0}'", url);
   builder.Append("</script>");
   page.ClientScript.RegisterStartupScript(page.GetType(), "message", builder.ToString());
  }
  /// <summary>
  /// 确认对话框
  /// </summary>
  /// <param name="Control"></param>
  /// <param name="msg"></param>
  public static void ShowConfirm(WebControl Control, string msg)
  {
   Control.Attributes.Add("onclick", "return confirm('" + msg + "');");
  }
  /// <summary>
  /// 打开窗口大小，名称，屏蔽ie导航,新窗口居中
  /// </summary>
  /// <param name="url"></param>
  /// <param name="formName"></param>
  /// <param name="height"></param>
  /// <param name="width"></param>
  public static void openDialog(string strURL, double intWidth, double intHeight, string aryParam, int style)
  {
   if (style == 1 || style == 3 || style == 5 || style == 7)
   {
    intHeight *= 1.05;
    intWidth *= 1.1;
   }
   StringBuilder sb = new StringBuilder();
   sb.Append("<script language=\"javascript\" type=\"text/javascript\">");
   sb.Append("var h = window.screen.availHeight;");
   sb.Append("var w = window.screen.availWidth;");
   sb.Append("var objh = " + intHeight + ";");
   sb.Append("var objw = " + intWidth + ";");
   sb.Append("var Settop = (h-objh)/ 2;");
   sb.Append("var Setleft = (w-objw)/ 2;");
   sb.Append("window.open('");
   sb.Append(strURL);
   sb.Append("','");
   sb.Append(aryParam);
   sb.Append("',");
   sb.Append("'height=");
   sb.Append(intHeight);
   sb.Append(",width=");
   sb.Append(intWidth);
   sb.Append(",top='+Settop+'");
   sb.Append(",left='+Setleft+'");
   sb.Append(",status=no,resizable=no,scrollbars=yes');");
   sb.Append("</script>");
   HttpContext.Current.Response.Write(sb);
  }
  /// <summary>
  /// Open方式打开
  /// </summary>
  /// <param name="url"></param>
  /// <param name="isFullScreen"></param>
  public static void OpenWebForm(string url, bool isFullScreen)
  {
   string js = "<script language=\"javascript\" type=\"text/javascript\">";
   if (isFullScreen)
   {
    js += "var iWidth = 0;";
    js += "var iHeight = 0;";
    js += "iWidth=window.screen.availWidth-10;";
    js += "iHeight=window.screen.availHeight-50;";
    js += "var szFeatures ='width=' + iWidth + ',height=' + iHeight + ',top=0,left=0,location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=no,toolbar=no,directories=no';";
    js += "window.open('" + url + @"','',szFeatures);";
   }
   else
   {
    js += "window.open('" + url + @"','','height=0,width=0,top=0,left=0,location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=no,toolbar=no,directories=no');";
   }
   js += "</script>";
   HttpContext.Current.Response.Write(js);
  }
  /// <summary>
  /// 返回上一页
  /// </summary>
  public static void BackBefore()
  {
   StringBuilder str = new StringBuilder();
   str.Append("<script language=\"JavaScript\" type=\"text/javascript\">");
   str.Append("window.history.go(-1);");
   str.Append("</script>");
   HttpContext.Current.Response.Write(str);
  }
  /// <summary>
  /// 应用程序路径
  /// </summary>
  public static string ApplicationPath
  {
   get{
    string path = HttpRuntime.AppDomainAppVirtualPath;
    if (path == "/")
     return "";
    return path;
   }
  }
  /// <summary>
  /// 获取表单或Url中的值
  /// </summary>
  /// <param name="asName"></param>
  /// <returns></returns>
  public static string GetRequestValue(string asName)
  {
   string sRet = "";
   if (HttpContext.Current.Request.Form.Get(asName) != null && HttpContext.Current.Request.Form.Get(asName).Trim() != "")
   {
    return HttpContext.Current.Request.Form.Get(asName);
   }
   if (HttpContext.Current.Request.QueryString.Get(asName) != null && HttpContext.Current.Request.QueryString.Get(asName).Trim() != "")
   {
    return HttpContext.Current.Request.QueryString.Get(asName);
   }
   return sRet;
  }  
 }
}