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ASP.NET中常用输出JS脚本的类（改进版）

發布時間：2023/12/4 asp.net 28 豆豆

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在ASP.NET中我們經常需要輸出一些JS腳本，比如彈出一個警告窗口，返回到歷史頁面等JS功能，我看到網上流傳得比較廣的是馬先光寫的一個JScript類，這個類基本將經常用到的JS腳本包含了，非常方便，唯一的不足是作者采用的Response.Write(string msg)的辦法，這樣造成輸出的js腳本在<html></html>標簽之外，破壞了原有XHTML的結構，所以本人在滿足原功能的情況下，對JScript類做了進一步的改善，這個改善采用了重載的辦法，增加了一個System.Web.UI.Page類的實例作為參數，不會影響原來的程序代碼。整個程序的代碼如下：
using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.Web;
using?System.Web.UI;

///?<summary>
///?一些常用的Js調用
///?添加新版說明：由于舊版普遍采用Response.Write(string?msg)的方式輸出js腳本，這種
///?方式輸出的js腳本會在html元素的<html></html>標簽之外，破壞了整個xhtml的結構,
///?而新版本則采用ClientScript.RegisterStartupScript(string?msg)的方式輸出，不會改變xhtml的結構,
///?不會影響執行效果。
///?為了向下兼容，所以新版本采用了重載的方式，新版本中要求一個System.Web.UI.Page類的實例。
///?創建時間：2006-9-13
///?創建者：馬先光
///?新版作者：周公
///?修改日期：2007-4-17
///?修改版發布網址：http://blog.csdn.net/zhoufoxcn
///?</summary>
public?class?JScript
{
????#region?舊版本
????///?<summary>
????///?彈出JavaScript小窗口
????///?</summary>
????///?<param?name="js">窗口信息</param>
????public?static?void?Alert(string?message)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????alert('"?+?message?+?"');</Script>";
????????HttpContext.Current.Response.Write(js);
????????#endregion
????}

????///?<summary>
????///?彈出消息框并且轉向到新的URL
????///?</summary>
????///?<param?name="message">消息內容</param>
????///?<param?name="toURL">連接地址</param>
????public?static?void?AlertAndRedirect(string?message,?string?toURL)
????{
????????#region
????????string?js?=?"<script?language=javascript>alert('{0}');window.location.replace('{1}')</script>";
????????HttpContext.Current.Response.Write(string.Format(js,?message,?toURL));
????????#endregion
????}

????///?<summary>
????///?回到歷史頁面
????///?</summary>
????///?<param?name="value">-1/1</param>
????public?static?void?GoHistory(int?value)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????history.go({0});??
??????????????????</Script>";
????????HttpContext.Current.Response.Write(string.Format(js,?value));
????????#endregion
????}

????///?<summary>
????///?關閉當前窗口
????///?</summary>
????public?static?void?CloseWindow()
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????parent.opener=null;window.close();??
??????????????????</Script>";
????????HttpContext.Current.Response.Write(js);
????????HttpContext.Current.Response.End();
????????#endregion
????}

????///?<summary>
????///?刷新父窗口
????///?</summary>
????public?static?void?RefreshParent(string?url)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????window.opener.location.href='"?+?url?+?"';window.close();</Script>";
????????HttpContext.Current.Response.Write(js);
????????#endregion
????}

????///?<summary>
????///?刷新打開窗口
????///?</summary>
????public?static?void?RefreshOpener()
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????opener.location.reload();
??????????????????</Script>";
????????HttpContext.Current.Response.Write(js);
????????#endregion
????}

????///?<summary>
????///?打開指定大小的新窗體
????///?</summary>
????///?<param?name="url">地址</param>
????///?<param?name="width">寬</param>
????///?<param?name="heigth">高</param>
????///?<param?name="top">頭位置</param>
????///?<param?name="left">左位置</param>
????public?static?void?OpenWebFormSize(string?url,?int?width,?int?heigth,?int?top,?int?left)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>window.open('"?+?url?+?@"','','height="?+?heigth?+?",width="?+?width?+?",top="?+?top?+?",left="?+?left?+?",location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=no,toolbar=no,directories=no');</Script>";

????????HttpContext.Current.Response.Write(js);
????????#endregion
????}

????///?<summary>
????///?轉向Url制定的頁面
????///?</summary>
????///?<param?name="url">連接地址</param>
????public?static?void?JavaScriptLocationHref(string?url)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????window.location.replace('{0}');
??????????????????</Script>";
????????js?=?string.Format(js,?url);
????????HttpContext.Current.Response.Write(js);
????????#endregion
????}

????///?<summary>
????///?打開指定大小位置的模式對話框
????///?</summary>
????///?<param?name="webFormUrl">連接地址</param>
????///?<param?name="width">寬</param>
????///?<param?name="height">高</param>
????///?<param?name="top">距離上位置</param>
????///?<param?name="left">距離左位置</param>
????public?static?void?ShowModalDialogWindow(string?webFormUrl,?int?width,?int?height,?int?top,?int?left)
????{
????????#region
????????string?features?=?"dialogWidth:"?+?width.ToString()?+?"px"
????????????+?";dialogHeight:"?+?height.ToString()?+?"px"
????????????+?";dialogLeft:"?+?left.ToString()?+?"px"
????????????+?";dialogTop:"?+?top.ToString()?+?"px"
????????????+?";center:yes;help=no;resizable:no;status:no;scroll=yes";
????????ShowModalDialogWindow(webFormUrl,?features);
????????#endregion
????}
????///?<summary>
????///?彈出模態窗口
????///?</summary>
????///?<param?name="webFormUrl"></param>
????///?<param?name="features"></param>
????public?static?void?ShowModalDialogWindow(string?webFormUrl,?string?features)
????{
????????string?js?=?ShowModalDialogJavascript(webFormUrl,?features);
????????HttpContext.Current.Response.Write(js);
????}
????///?<summary>
????///?彈出模態窗口
????///?</summary>
????///?<param?name="webFormUrl"></param>
????///?<param?name="features"></param>
????///?<returns></returns>
????public?static?string?ShowModalDialogJavascript(string?webFormUrl,?string?features)
????{
????????#region
????????string?js?=?@"<script?language=javascript>????????????????????????????
????????????????????????????showModalDialog('"?+?webFormUrl?+?"','','"?+?features?+?"');</script>";
????????return?js;
????????#endregion
????}
????#endregion

????#region?新版本
????///?<summary>
????///?彈出JavaScript小窗口
????///?</summary>
????///?<param?name="js">窗口信息</param>
????public?static?void?Alert(string?message,?Page?page)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????alert('"?+?message?+?"');</Script>";
????????//HttpContext.Current.Response.Write(js);
????????if?(!page.ClientScript.IsStartupScriptRegistered(page.GetType(),?"alert"))
????????{
????????????page.ClientScript.RegisterStartupScript(page.GetType(),?"alert",?js);
????????}
????????#endregion
????}

????///?<summary>
????///?彈出消息框并且轉向到新的URL
????///?</summary>
????///?<param?name="message">消息內容</param>
????///?<param?name="toURL">連接地址</param>
????public?static?void?AlertAndRedirect(string?message,?string?toURL,?Page?page)
????{
????????#region
????????string?js?=?"<script?language=javascript>alert('{0}');window.location.replace('{1}')</script>";
????????//HttpContext.Current.Response.Write(string.Format(js,?message,?toURL));
????????if?(!page.ClientScript.IsStartupScriptRegistered(page.GetType(),?"AlertAndRedirect"))
????????{
????????????page.ClientScript.RegisterStartupScript(page.GetType(),?"AlertAndRedirect",?string.Format(js,?message,?toURL));
????????}
????????#endregion
????}

????///?<summary>
????///?回到歷史頁面
????///?</summary>
????///?<param?name="value">-1/1</param>
????public?static?void?GoHistory(int?value,?Page?page)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????history.go({0});??
??????????????????</Script>";
????????//HttpContext.Current.Response.Write(string.Format(js,?value));
????????if?(!page.ClientScript.IsStartupScriptRegistered(page.GetType(),?"GoHistory"))
????????{
????????????page.ClientScript.RegisterStartupScript(page.GetType(),?"GoHistory",?string.Format(js,?value));
????????}
????????#endregion
????}

????//????????///?<summary>
????//????????///?關閉當前窗口
????//????????///?</summary>
????//????????public?static?void?CloseWindow()
????//????????{
????//????????????#region
????//????????????string?js?=?@"<Script?language='JavaScript'>
????//????????????????????parent.opener=null;window.close();??
????//??????????????????</Script>";
????//????????????HttpContext.Current.Response.Write(js);
????//????????????HttpContext.Current.Response.End();
????//????????????#endregion
????//????????}

????///?<summary>
????///?刷新父窗口
????///?</summary>
????public?static?void?RefreshParent(string?url,?Page?page)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????window.opener.location.href='"?+?url?+?"';window.close();</Script>";
????????//HttpContext.Current.Response.Write(js);
????????if?(!page.ClientScript.IsStartupScriptRegistered(page.GetType(),?"RefreshParent"))
????????{
????????????page.ClientScript.RegisterStartupScript(page.GetType(),?"RefreshParent",?js);
????????}
????????#endregion
????}

????///?<summary>
????///?刷新打開窗口
????///?</summary>
????public?static?void?RefreshOpener(Page?page)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????opener.location.reload();
??????????????????</Script>";
????????//HttpContext.Current.Response.Write(js);
????????if?(!page.ClientScript.IsStartupScriptRegistered(page.GetType(),?"RefreshOpener"))
????????{
????????????page.ClientScript.RegisterStartupScript(page.GetType(),?"RefreshOpener",?js);
????????}
????????#endregion
????}

????///?<summary>
????///?打開指定大小的新窗體
????///?</summary>
????///?<param?name="url">地址</param>
????///?<param?name="width">寬</param>
????///?<param?name="heigth">高</param>
????///?<param?name="top">頭位置</param>
????///?<param?name="left">左位置</param>
????public?static?void?OpenWebFormSize(string?url,?int?width,?int?heigth,?int?top,?int?left,?Page?page)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>window.open('"?+?url?+?@"','','height="?+?heigth?+?",width="?+?width?+?",top="?+?top?+?",left="?+?left?+?",location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=no,toolbar=no,directories=no');</Script>";
????????//HttpContext.Current.Response.Write(js);
????????if?(!page.ClientScript.IsStartupScriptRegistered(page.GetType(),?"OpenWebFormSize"))
????????{
????????????page.ClientScript.RegisterStartupScript(page.GetType(),?"OpenWebFormSize",?js);
????????}
????????#endregion
????}

????///?<summary>
????///?轉向Url制定的頁面
????///?</summary>
????///?<param?name="url">連接地址</param>
????public?static?void?JavaScriptLocationHref(string?url,?Page?page)
????{
????????#region
????????string?js?=?@"<Script?language='JavaScript'>
????????????????????window.location.replace('{0}');
??????????????????</Script>";
????????js?=?string.Format(js,?url);
????????//HttpContext.Current.Response.Write(js);
????????if?(!page.ClientScript.IsStartupScriptRegistered(page.GetType(),?"JavaScriptLocationHref"))
????????{
????????????page.ClientScript.RegisterStartupScript(page.GetType(),?"JavaScriptLocationHref",?js);
????????}
????????#endregion
????}

????///?<summary>
????///?打開指定大小位置的模式對話框
????///?</summary>
????///?<param?name="webFormUrl">連接地址</param>
????///?<param?name="width">寬</param>
????///?<param?name="height">高</param>
????///?<param?name="top">距離上位置</param>
????///?<param?name="left">距離左位置</param>
????public?static?void?ShowModalDialogWindow(string?webFormUrl,?int?width,?int?height,?int?top,?int?left,?Page?page)
????{
????????#region
????????string?features?=?"dialogWidth:"?+?width.ToString()?+?"px"
????????????+?";dialogHeight:"?+?height.ToString()?+?"px"
????????????+?";dialogLeft:"?+?left.ToString()?+?"px"
????????????+?";dialogTop:"?+?top.ToString()?+?"px"
????????????+?";center:yes;help=no;resizable:no;status:no;scroll=yes";
????????ShowModalDialogWindow(webFormUrl,?features,?page);
????????#endregion
????}
????///?<summary>
????///?彈出模態窗口
????///?</summary>
????///?<param?name="webFormUrl"></param>
????///?<param?name="features"></param>
????public?static?void?ShowModalDialogWindow(string?webFormUrl,?string?features,?Page?page)
????{
????????string?js?=?ShowModalDialogJavascript(webFormUrl,?features);
????????//HttpContext.Current.Response.Write(js);
????????if?(!page.ClientScript.IsStartupScriptRegistered(page.GetType(),?"ShowModalDialogWindow"))
????????{
????????????page.ClientScript.RegisterStartupScript(page.GetType(),?"ShowModalDialogWindow",?js);
????????}
????}
????//????????///?<summary>
????//????????///?彈出模態窗口
????//????????///?</summary>
????//????????///?<param?name="webFormUrl"></param>
????//????????///?<param?name="features"></param>
????//????????///?<returns></returns>
????//????????public?static?string?ShowModalDialogJavascript(string?webFormUrl,?string?features)
????//????????{
????//????????????#region
????//????????????string?js?=?@"<script?language=javascript>????????????????????????????
????//????showModalDialog('"?+?webFormUrl?+?"','','"?+?features?+?"');</script>";
????//????????????return?js;
????//????????????#endregion
????//????????}
????#endregion
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