这里总结一下项目中常用到的几个非常实用的Js脚本,为了方便我将其封装成一个C#的Js工具类方便在项目中使用,可以在项目中直接使用这些方法就可以了。这里是没有任何页面逻辑的方法可以单独拿出来使用,这个类可以继续丰富下去,会在以后加入一些新的方法
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/// <summary>
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/// 通用的JS脚本
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/// </summary>
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public class JSUtils
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{
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public JSUtils()
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{
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//
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// TODO: 在此处添加构造函数逻辑
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//
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}
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public static Page CurrPage
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{
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get
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{
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return HttpContext.Current.Handler as Page;
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}
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}
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/// <summary>
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/// 向一个控件添加一个确认对话框.(如果取消则不提交服务器端)
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/// </summary>
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/// <param name="control">需要添加确认的控件</param>
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/// <param name="message">对话框中显示的文本</param>
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public static void AddConfirmToControl(IAttributeAccessor control, string message)
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{
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message = message.Replace("\\", "\\\\").Replace("\n", "\\n").Replace("\'", "\\'");
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control.SetAttribute("onclick", "return confirm('" + message + "');");
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}
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/// <summary>
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/// 直接关闭页面(忽略其他提示)
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/// </summary>
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public static void ClosePage()
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{
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HttpContext.Current.Response.Write(@"<script>window.opener=null;window.close();</script>");
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HttpContext.Current.Response.End();
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}
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/// <summary>
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/// 给控件增加客户端属性
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/// </summary>
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/// <param name="control">控件</param>
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/// <param name="attributeName">属性名</param>
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/// <param name="attributeValue">属性值</param>
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/// <example>
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/// JS.AddAttributesToControl(TextBox1,"oncopy","return false;"); --生成的客户端html中增加 oncopy="return false;"
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/// </example>
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public static void AddAttributesToControl(IAttributeAccessor control, string attributeName, string attributeValue)
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{
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control.SetAttribute(attributeName, attributeValue);
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}
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/// <summary>
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/// 添加要执行的脚本
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/// </summary>
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/// <param name="scripts">脚本内容</param>
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/// <param name="key">脚本的键(如果该键已有则不重复创建)</param>
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public static void AddScript(string scripts, string key)
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{
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StringBuilder sb = new StringBuilder("<script language='javascript'>");
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sb.Append(scripts);
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sb.Replace("\\", "\\\\");
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sb.Replace("\n", "\\n");
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sb.Replace("\t", "\\t");
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sb.Replace("\r", "\\r");
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sb.Append("</script>");
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CurrPage.ClientScript.RegisterStartupScript(CurrPage.GetType(), key, sb.ToString());
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}
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/// <summary>
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/// 打开窗口(不允许一个页面打开多个窗口)
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/// </summary>
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/// <param name="page">this</param>
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/// <param name="URL">地址</param>
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/// <param name="Target">目标框架</param>
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public static void open(string url, string target)
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{
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AddScript("window.open('" + url + "','','" + target + "');", "open");
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}
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/// <summary>
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/// 跳转页面
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/// </summary>
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/// <param name="url">地址</param>
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public static void location(string url)
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{
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AddScript("window.location.href='" + url + "';", "redirect");
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}
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/// <summary>
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/// 在页面顶部添加脚本
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/// </summary>
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/// <param name="values">脚本</param>
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public static void AddHead(string script)
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{
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StringBuilder sb = new StringBuilder("<script language=\"javascript\">");
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sb.Append(script);
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sb.Append("</script>");
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CurrPage.Response.Write(sb.ToString());
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}
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/// <summary>
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/// 弹出
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/// </summary>
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/// <param name="Msg">提示文本</param>
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public static void alert(string message)
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{
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AddScript("alert('" + message + "');", "alert");
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}
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/// <summary>
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/// 带有图标的弹出窗口
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/// </summary>
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/// <param name="Icon">1 信息 2 错误 3警告</param>
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/// <param name="Message">弹出的信息内容</param>
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public static void alert(int Icon, string Message)
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{
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StringBuilder sb = new StringBuilder();
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Message = Message.Replace("\"", "\u201c");
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Message = Message.Replace("'", "\u2018");
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sb.Append("<script language=vbscript>\n");
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switch (Icon)
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{
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case 1:
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sb.Append("msgbox \"" + Message + "\",\"64\"\n");
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break;
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case 2:
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sb.Append("msgbox \"" + Message + "\",\"16\"\n");
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break;
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case 3:
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sb.Append("msgbox \"" + Message + "\",\"48\"\n");
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break;
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}
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sb.Append("</script>");
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CurrPage.ClientScript.RegisterStartupScript(typeof(string), "ALERT", sb.ToString());
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}
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/// <summary>
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/// 弹出提示并跳转页面
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/// </summary>
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/// <param name="page">this</param>
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/// <param name="Msg">提示信息</param>
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/// <param name="URL">跳转地址</param>
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/// <param name="Target">目标框架</param>
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public static void AlertAndRedirect(string message, string url, string target)
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{
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alert(message);
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open(url, target);
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}
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/// <summary>
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///先弹出提示框后跳转
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/// </summary>
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/// <param name="message"></param>
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/// <param name="url"></param>
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public static void AlertAndRedirect(string message, string url)
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{
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alert(message);
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location(url);
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}
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/// <summary>
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///先弹出提示框后跳转
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/// </summary>
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/// <param name="message"></param>
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/// <param name="url"></param>
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public static void AlertAndRedirectScroll(string message, string url)
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{
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alert(message);
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AddScript("window.open('" + url + "','null', 'height=700, width=1000, top=0, left=0, toolbar=no, menubar=no, scrollbars=yes, resizable=no,location=no, status=no');", "redirect");
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//location(url);
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}
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/// <summary>
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///先弹出提示框后跳转
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/// </summary>
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/// <param name="message"></param>
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/// <param name="url"></param>
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public static void AlertAndRedirectScroll(string url)
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{
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AddScript("window.open('" + url + "','null', 'height=700, width=1000, top=0, left=0, toolbar=no, menubar=no, scrollbars=yes, resizable=no,location=no, status=no');", "redirect");
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//location(url);
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}
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/// <summary>
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/// 获取客户端IP地址
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/// </summary>
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/// <returns></returns>
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public static string GetClientIP()
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{
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return HttpContext.Current.Request.UserHostAddress;
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}
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