C#.NET Js操作类

 

using System.Text;
using System.Web;
using System.Web.UI.HtmlControls;

namespace Pub.Class
{
/// <summary>
/// Js操作类
/// </summary>
    public class Js
    {
#region Run
/// <summary>
/// 运行JS代码
/// </summary>
/// <param name="Page">指定Page</param>
/// <param name="strCode">要注册的代码</param>
/// <param name="isTop">是否在头部/否则在尾部</param>
        public static void Run(System.Web.UI.Page Page, string strCode,bool isTop)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=\"javascript\">\n");
            sb.Append(strCode.Trim());
            sb.Append("\n</script>\n");
if (isTop) Page.RegisterClientScriptBlock("RunTopJs", sb.ToString()); else Page.RegisterStartupScript("RunBottomJs", sb.ToString());
        }
/// <summary>
/// 运行JS代码
/// </summary>
/// <param name="Page">指定Page</param>
/// <param name="strCode">要注册的代码</param>
/// <param name="isTop">是否在头部/否则在尾部</param>
/// <param name="IDStr">Key</param>
        public static void Run(System.Web.UI.Page Page, string strCode,bool isTop,string IDStr)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=\"javascript\">\n");
            sb.Append(strCode.Trim());
            sb.Append("\n</script>\n");
if (isTop) Page.RegisterClientScriptBlock(IDStr, sb.ToString()); else Page.RegisterStartupScript(IDStr, sb.ToString());
        }
/// <summary>
/// 清空指定注册的JS代码
/// </summary>
/// <param name="Page">指定Page</param>
/// <param name="isTop">是否在头部/否则在尾部</param>
/// <param name="IDStr">Key</param>
        public static void Run(System.Web.UI.Page Page, bool isTop,string IDStr)
        {
if (isTop) Page.RegisterClientScriptBlock(IDStr, ""); else Page.RegisterStartupScript(IDStr, "");
        }
#endregion

#region Alert
/// <summary>
/// 提示信息
/// </summary>
/// <param name="msg">消息</param>
        public static void Alert(string msg)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=\"javascript\"> \n");
            sb.Append("alert(\"" + msg.Trim() + "\"); \n");
            sb.Append("</script>\n");
            HttpContext.Current.Response.Write(sb.ToString());
        }
/// <summary>
/// 提示信息
/// </summary>
/// <param name="Page">指定页</param>
/// <param name="msg">消息</param>
        public static void Alert(System.Web.UI.Page Page, string msg)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=\"javascript\"> \n");
            sb.Append("alert(\"" + msg.Trim() + "\"); \n");
            sb.Append("</script>\n");
            Page.RegisterClientScriptBlock("AlertJs", sb.ToString());
        }
/// <summary>
/// 提示信息
/// </summary>
/// <param name="Page">指定页</param>
/// <param name="msg">消息</param>
/// <param name="isTop">是否在头部/否则在尾部</param>
        public static void Alert(System.Web.UI.Page Page, string msg, bool isTop)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<script language=\"javascript\"> \n");
            sb.Append("alert(\"" + msg.Trim() + "\"); \n");
            sb.Append("</script>\n");
if (isTop) Page.RegisterClientScriptBlock("AlertTopJs", sb.ToString()); else Page.RegisterStartupScript("AlertBottomJs", sb.ToString());
        }
#endregion

#region Import/loadCss/AddAttr/chkFormData
/// <summary>
/// 注册一个处部JS文件/或CSS文件
/// </summary>
/// <param name="Page">指定页</param>
/// <param name="filePath">文件</param>
/// <param name="isTop">是否在头部/否则在尾部</param>
        public static void Import(System.Web.UI.Page Page, string filePath, bool isTop)
        {
            StringBuilder sb = new StringBuilder();
if (filePath.ToLower().Substring(filePath.Length-3,3) == ".js") {
                sb.Append("<script language=\"JavaScript\" src=\"" + filePath + "\" type=\"text/javascript\"></script>\n");
if (isTop) Page.RegisterClientScriptBlock("TopJs", sb.ToString()); else Page.RegisterStartupScript("BottomJs", sb.ToString());
            }
if (filePath.ToLower().Substring(filePath.Length - 4,4) == ".css") {
                LoadCss(Page, filePath);
            }
        }
/// <summary>
/// 注册一个处部CSS文件
/// </summary>
/// <param name="page">Page</param>
/// <param name="cssFile">CSS文件</param>
        public static void JsLoadCss(System.Web.UI.Page page,string cssFile)
        {
             Run(page, "setStyle(\"" + cssFile + "\");\n", true);
        }
/// <summary>
/// 注册一个处部CSS文件
/// </summary>
/// <param name="placeHolder">PlaceHolder组件</param>
/// <param name="cssFile">CSS文件</param>
        public static void LoadCss(System.Web.UI.WebControls.PlaceHolder placeHolder, string cssFile)
        {
            HtmlGenericControl objLink = new HtmlGenericControl("LINK");
            objLink.Attributes["rel"] = "stylesheet";
            objLink.Attributes["type"] = "text/css";
            objLink.Attributes["href"] = cssFile;
            placeHolder.Controls.Add(objLink);
//<asp:placeholder >
    }
}