.NET中常用JS方法

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Web.SessionState;

using System.Text.RegularExpressions;

/// <summary>

/// JScript 的摘要说明

/// 在开发过程中可以用的一些技巧文件

///本js也是从别的oa中提取来的

/// </summary>

public class JScript

{

protected static HttpResponse Response;

protected static HttpSessionState Session;

public JScript()

{

//

// TODO: 在此处添加构造函数逻辑

//

}

/// <summary>

/// 弹出JavaScript小窗口,并转向指定的页面

/// </summary>

/// <param name="message">弹出信息</param>

/// <param name="toURL">专转向的网页</param>

public static void AlertAndRedirect(string message, string toURL)

{

string js = "<script language=javascript>alert('{0}');window.location.replace('{1}')</script>";

HttpContext.Current.Response.Write(string.Format(js, message, toURL));

}

/// <summary>

/// 向客户端发送函数KendoPostBack(eventTarget, eventArgument)

/// 服务器端可接收__EVENTTARGET,__EVENTARGUMENT的值

/// </summary>

/// <param name="page">System.Web.UI.Page 一般为this</param>

public static void JscriptSender(System.Web.UI.Page page)

{

page.RegisterHiddenField("__EVENTTARGET", "");

page.RegisterHiddenField("__EVENTARGUMENT", "");

string s = @"

<script language=Javascript>

function KendoPostBack(eventTarget, eventArgument)

{

var theform = document.forms[0];

theform.__EVENTTARGET.value = eventTarget;

theform.__EVENTARGUMENT.value = eventArgument;

theform.submit();

}

</script>";

page.RegisterStartupScript("sds", s);

}

/// <summary>

/// 弹出JavaScript小窗口

/// </summary>

/// <param name="js">窗口信息</param>

public static void Alert(string message)

{

message = StringUtil.DeleteUnVisibleChar(message);

string js = @"<Script language='JavaScript'>

alert('" + message + "');</Script>";

HttpContext.Current.Response.Write(js);

}

public static void Alert(object message)

{

string js = @"<Script language='JavaScript'>

alert('{0}');

</Script>";

HttpContext.Current.Response.Write(string.Format(js, message.ToString()));

}

/// <summary>

/// 确认窗口 如：（是否删除）

/// </summary>

/// <param name="message"></param>

/// <param name="strWinCtrl"></param>

public static void RtnRltMsgbox(object message, string strWinCtrl)

{

string js = @"<Script language='JavaScript'>

strWinCtrl = true;

strWinCtrl = if(!confirm('" + message + "'))return false;</Script>";

HttpContext.Current.Response.Write(string.Format(js, message.ToString()));

}

/// <summary>

/// 回到历史页面

/// </summary>

/// <param name="value">-1/1</param>

public static void GoHistory(string value)

{

string js = @"<Script language='JavaScript'>

history.go({'" + value + "'})</Script>";

HttpContext.Current.Response.Write(string.Format(js, value.ToString()));

}

/// <summary>

/// 关闭当前窗口

/// </summary>

public static void CloseWindow()

{

string js = @"<Script language='JavaScript'>

window.close();

</Script>";

HttpContext.Current.Response.Write(js);

HttpContext.Current.Response.End();

}

/// <summary>

/// 刷新父窗口

/// </summary>

public static void RefreshParent()

{

string js = @"<Script language='JavaScript'>

parent.location.reload();

</Script>";

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 格式化为JS可解释的字符串

/// </summary>

/// <param name="s"></param>

/// <returns></returns>

public static string JSStringFormat(string s)

{

return s.Replace("/r", "//r").Replace("/n", "//n").Replace("'", "//'").Replace("/"", "///"");

}

/// <summary>

/// 刷新打开窗口

/// </summary>

public static void RefreshOpener()

{

string js = @"<Script language='JavaScript'>

opener.location.reload();

</Script>";

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 打开窗口

/// </summary>

/// <param name="url"></param>

public static void OpenWebForm(string url)

{

/*…………………………………………………………………………………………*/

/*修改人员:			*/

/*修改时间:		*/

/*修改目的:	新开页面去掉ie的菜单。。。						*/

/*注释内容:								*/

/*开始*/

string js = @"<Script language='JavaScript'>

//window.open('" + url + @"');

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');

</Script>";

/*结束*/

/*…………………………………………………………………………………………*/

HttpContext.Current.Response.Write(js);

}

public static void OpenWebForm(string url, string name, string future)

{

string js = @"<Script language='JavaScript'>

window.open('" + url + @"','" + name + @"','" + future + @"')

</Script>";

HttpContext.Current.Response.Write(js);

}

public static void OpenWebForm(string url, string formName)

{

/*…………………………………………………………………………………………*/

/*修改人员:							*/

/*修改时间:

/*修改目的:	新开页面去掉ie的菜单。。。						*/

/*注释内容:								*/

/*开始*/

string js = @"<Script language='JavaScript'>

//window.open('" + url + @"','" + formName + @"');

window.open('" + url + @"','" + formName + @"','height=0,width=0,top=0,left=0,location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=no,toolbar=no,directories=no');

</Script>";

/*结束*/

/*…………………………………………………………………………………………*/

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 函数名:OpenWebForm

/// 功能描述:打开WEB窗口

/// 处理流程:

/// 算法描述:

/// 作 者:

/// 日 期:

/// 修 改:

/// 日 期:

/// 版 本:

/// </summary>

/// <param name="url">WEB窗口</param>

/// <param name="isFullScreen">是否全屏幕</param>

public static void OpenWebForm(string url, bool isFullScreen)

{

string js = @"<Script language='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>

/// 转向Url制定的页面

/// </summary>

/// <param name="url"></param>

public static void JavaScriptLocationHref(string url)

{

string js = @"<Script language='JavaScript'>

window.location.replace('{0}');

</Script>";

js = string.Format(js, url);

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 指定的框架页面转换

/// </summary>

/// <param name="FrameName"></param>

/// <param name="url"></param>

public static void JavaScriptFrameHref(string FrameName, string url)

{

string js = @"<Script language='JavaScript'>

@obj.location.replace(""{0}"");

</Script>";

js = js.Replace("@obj", FrameName);

js = string.Format(js, url);

HttpContext.Current.Response.Write(js);

}

/// <summary>

///重置页面

/// </summary>

public static void JavaScriptResetPage(string strRows)

{

string js = @"<Script language='JavaScript'>

window.parent.CenterFrame.rows='" + strRows + "';</Script>";

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 函数名:JavaScriptSetCookie

/// 功能描述:客户端方法设置Cookie

/// 作者:

/// 日期：

/// 版本：

/// </summary>

/// <param name="strName">Cookie名</param>

/// <param name="strValue">Cookie值</param>

public static void JavaScriptSetCookie(string strName, string strValue)

{

string js = @"<script language=Javascript>

var the_cookie = '" + strName + "=" + strValue + @"'

var dateexpire = 'Tuesday, 01-Dec-2020 12:00:00 GMT';

//document.cookie = the_cookie;//写入Cookie<BR>} <BR>

document.cookie = the_cookie + '; expires='+dateexpire;

</script>";

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 函数名:GotoParentWindow

/// 功能描述:返回父窗口

/// 处理流程:

/// 算法描述:

/// 作 者:

/// 日 期: 2003-04-30 10:00

/// 修 改:

/// 日 期:

/// 版 本:

/// </summary>

/// <param name="parentWindowUrl">父窗口</param>

public static void GotoParentWindow(string parentWindowUrl)

{

string js = @"<Script language='JavaScript'>

this.parent.location.replace('" + parentWindowUrl + "');</Script>";

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 函数名:ReplaceParentWindow

/// 功能描述:替换父窗口

/// 处理流程:

/// 算法描述:

/// 作 者:

/// 日 期: 2003-04-30 10:00

/// 修 改:

/// 日 期:

/// 版 本:

/// </summary>

/// <param name="parentWindowUrl">父窗口</param>

/// <param name="caption">窗口提示</param>

/// <param name="future">窗口特征参数</param>

public static void ReplaceParentWindow(string parentWindowUrl, string caption, string future)

{

string js = "";

if (future != null && future.Trim() != "")

{

js = @"<script language=javascript>this.parent.location.replace('" + parentWindowUrl + "','" + caption + "','" + future + "');</script>";

}

else

{

js = @"<script language=javascript>var iWidth = 0 ;var iHeight = 0 ;iWidth=window.screen.availWidth-10;iHeight=window.screen.availHeight-50;

var szFeatures = 'dialogWidth:'+iWidth+';dialogHeight:'+iHeight+';dialogLeft:0px;dialogTop:0px;center:yes;help=no;resizable:on;status:on;scroll=yes';this.parent.location.replace('" + parentWindowUrl + "','" + caption + "',szFeatures);</script>";

}

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 函数名:ReplaceOpenerWindow

/// 功能描述:替换当前窗体的打开窗口

/// 处理流程:

/// 算法描述:

/// 作 者:

/// 日 期: 2003-04-30 16:00

/// 修 改:

/// 日 期:

/// 版 本:

/// </summary>

/// <param name="openerWindowUrl">当前窗体的打开窗口</param>

public static void ReplaceOpenerWindow(string openerWindowUrl)

{

string js = @"<Script language='JavaScript'>

window.opener.location.replace('" + openerWindowUrl + "');</Script>";

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 函数名:ReplaceOpenerParentWindow

/// 功能描述:替换当前窗体的打开窗口的父窗口

/// 处理流程:

/// 算法描述:

/// 作 者:

/// 日 期: 2003-07-03 19:00

/// 修 改:

/// 日 期:

/// 版 本:

/// </summary>

/// <param name="openerWindowUrl">当前窗体的打开窗口的父窗口</param>

public static void ReplaceOpenerParentFrame(string frameName, string frameWindowUrl)

{

string js = @"<Script language='JavaScript'>

window.opener.parent." + frameName + ".location.replace('" + frameWindowUrl + "');</Script>";

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 函数名:ReplaceOpenerParentWindow

/// 功能描述:替换当前窗体的打开窗口的父窗口

/// 处理流程:

/// 算法描述:

/// 作 者:

/// 日 期:

/// 修 改:

/// 日 期:

/// 版 本:

/// </summary>

/// <param name="openerWindowUrl">当前窗体的打开窗口的父窗口</param>

public static void ReplaceOpenerParentWindow(string openerParentWindowUrl)

{

string js = @"<Script language='JavaScript'>

window.opener.parent.location.replace('" + openerParentWindowUrl + "');</Script>";

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 函数名:CloseParentWindow

/// 功能描述:关闭窗口

/// 处理流程:

/// 算法描述:

/// 作 者:

/// 日 期: 2003-04-30 16:00

/// 修 改:

/// 日 期:

/// 版 本:

/// </summary>

public static void CloseParentWindow()

{

string js = @"<Script language='JavaScript'>

window.parent.close();

</Script>";

HttpContext.Current.Response.Write(js);

}

public static void CloseOpenerWindow()

{

string js = @"<Script language='JavaScript'>

window.opener.close();

</Script>";

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 函数名:ShowModalDialogJavascript

/// 功能描述:返回打开模式窗口的脚本

/// 处理流程:

/// 算法描述:

/// 作 者:

/// 日 期:

/// 修 改:

/// 日 期:

/// 版 本:

/// </summary>

/// <param name="webFormUrl"></param>

/// <returns></returns>

public static string ShowModalDialogJavascript(string webFormUrl)

{

string js = @"<script language=javascript>

var iWidth = 0 ;

var iHeight = 0 ;

iWidth=window.screen.availWidth-10;

iHeight=window.screen.availHeight-50;

var szFeatures = 'dialogWidth:'+iWidth+';dialogHeight:'+iHeight+';dialogLeft:0px;dialogTop:0px;center:yes;help=no;resizable:on;status:on;scroll=yes';

showModalDialog('" + webFormUrl + "','',szFeatures);</script>";

return js;

}

public static string ShowModalDialogJavascript(string webFormUrl, string features)

{

string js = @"<script language=javascript>

showModalDialog('" + webFormUrl + "','','" + features + "');</script>";

return js;

}

/// <summary>

/// 函数名:ShowModalDialogWindow

/// 功能描述:打开模式窗口

/// 处理流程:

/// 算法描述:

/// 作 者:

/// 日 期:

/// 修 改:

/// 日 期:

/// 版 本:

/// </summary>

/// <param name="webFormUrl"></param>

/// <returns></returns>

public static void ShowModalDialogWindow(string webFormUrl)

{

string js = ShowModalDialogJavascript(webFormUrl);

HttpContext.Current.Response.Write(js);

}

public static void ShowModalDialogWindow(string webFormUrl, string features)

{

string js = ShowModalDialogJavascript(webFormUrl, features);

HttpContext.Current.Response.Write(js);

}

public static void ShowModalDialogWindow(string webFormUrl, int width, int height, int top, int left)

{

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=no";

ShowModalDialogWindow(webFormUrl, features);

}

public static void SetHtmlElementValue(string formName, string elementName, string elementValue)

{

string js = @"<Script language='JavaScript'>if(document." + formName + "." + elementName + "!=null){document." + formName + "." + elementName + ".value =" + elementValue + ";}</Script>";

HttpContext.Current.Response.Write(js);

}

/// <summary>

/// 判断Session中某键值是否存在，如果不存在，输出提示信息

/// 并且转向相应页面

/// </summary>

/// <param name="SessionName">Session中键名称</param>

/// <param name="Message">提示信息</param>

/// <param name="RedirectUrl">要转向的页面</param>

public static void CheckSession(string SessionName, string Message, string RedirectUrl)

{

Session = HttpContext.Current.Session;

Response = HttpContext.Current.Response;

if (Session[SessionName] == null)

{

WriteMessage(Message, false, false);

string js = "top.document.location='" + RedirectUrl + "';";

WriteJavaScript(js); ;

}

}

/// <summary>

/// 用Javascript的Window.alert()方法输出提示信息

/// </summary>

/// <param name="strMsg">要输出的信息</param>

/// <param name="Back">输出信息后是否要history.back()</param>

/// <param name="End">输出信息后是否要Response.end()</param>

public static void WriteMessage(string strMsg, bool Back, bool End)

{

Response = HttpContext.Current.Response;

//将单引号替换，防止javascript出错

strMsg = strMsg.Replace("'", "“");

//将回车换行符去掉，防止javascript出错

strMsg = strMsg.Replace("/r/n", "");

Response.Write("<script language=javascript>alert('" + strMsg + "');</script>");

if (Back)

Response.Write("<script language=javascript>history.back();</script>");

if (End)

Response.End();

}

/// <summary>

/// 以Response.Write()方式输出一条JavaScript语句

/// </summary>

/// <param name="strJavaScript">要输出的JavaScript语句</param>

public static void WriteJavaScript(string strJavaScript)

{

Response = HttpContext.Current.Response;

Response.Write("<script language=javascript>" + strJavaScript + "</script>");

}

///<summary>

///Redirect转向strUrl网址

///</summary>

///<param name="strUrl">要转向的网址</param>

public static void RedirectToUrl(string strUrl)

{

Response = HttpContext.Current.Response;

Response.Write("<script language=javascript>location.href='"+strUrl+"';</script>");

Response.End();

}

}

处理方法：
弹出信息框：JScript.Alert("消息文字");