Asp.net实用技巧(2)

王朝c#·作者佚名  2006-12-17
窄屏简体版  字體: |||超大  

1. 在Asp.net实用技巧(1) 中提到了如何刷新父页面,那么如果要刷新父页面的父页面的父页面了?那就是刷新祖先页面RefreshAncestorPage。

RefreshAncestorPage#region RefreshAncestorPage

/**//// <summary>

/// 刷新指定的祖先页面,注意是'祖先页面'

/// </summary>

public static void RefreshAncestorPage(HttpResponse Response ,string targetPageTitle ,bool isCloseCurPage)//targetPageTitle 目标页面的title

{

StringBuilder scriptString = new StringBuilder();

scriptString.Append('<script language = javascript>');

scriptString.Append('var p = window ;');

scriptString.Append(string.Format('while(p.document.title != '{0}')' ,targetPageTitle));

scriptString.Append('{');

scriptString.Append('p = p.opener ;');

scriptString.Append('}');

scriptString.Append('p.focus();');

scriptString.Append('p.refresh();');

if (isCloseCurPage )

{

scriptString.Append( ' window.focus();' );

scriptString.Append( ' window.opener=null;' );

scriptString.Append( ' window.close(); ' );

}

scriptString.Append('</'+'script>');

Response.Write(scriptString.ToString());

}

/**//*

需要在Father页面的html中添加如下脚本(在Header中):

<script language='javascript'>

function refresh()

{

this.location = this.location;

}

</script>

*/

#endregion2.如何刷新祖先页面中的某个frame中的page了?

RefreshFrameInAncestorPage#region RefreshFrameInAncestorPage

/**//// <summary>

/// 刷新指定的祖先页面中的某个框架的内部页面

/// </summary>

public static void RefreshFrameInAncestorPage(HttpResponse Response ,string ancestorTitle ,string frameName ,string targetUrl ,bool isCloseCurPage)//targetPageTitle 目标页面的title

{

StringBuilder scriptString = new StringBuilder();

scriptString.Append('<script language = javascript>');

scriptString.Append('var p = window ;');

scriptString.Append(string.Format('while(p.document.title != '{0}')' ,ancestorTitle));

scriptString.Append('{');

scriptString.Append('p = p.opener ;');

scriptString.Append('}');

scriptString.Append('p.focus();');

scriptString.Append(string.Format('p.{0}.location = '{1}';' ,frameName, targetUrl));

if (isCloseCurPage )

{

scriptString.Append( ' window.focus();' );

scriptString.Append( ' window.opener=null;' );

scriptString.Append( ' window.close(); ' );

}

scriptString.Append('</'+'script>');

Response.Write(scriptString.ToString());

}

#endregion3.如何刷新本页面中的其它框架了?

RefreshTargetFrameInSamePage#region RefreshTargetFrameInSamePage

/**//// <summary>

/// 从某一框架刷新同一页面中的任意一框架(包括自己所处的框架)

/// </summary>

public static void RefreshTargetFrameInSamePage(HttpResponse Response ,string frameName ,string targetUrl)

{

string scripStr = string.Format('<script language ='javascript'> window.parent.{0}.location= '' ,frameName) +targetUrl + ''';

scripStr += '</'+'script>' ;

Response.Write(scripStr) ;

}

#endregion

4.如何调用祖先页面的脚本?

CallAncestorScriptMethod#region CallAncestorScriptMethod

/**//// <summary>

/// 调用祖先页面中的某个框架内部page的脚本 ,如果是调用祖先页面的脚本,targetFrameName传入null

/// </summary>

public static void CallAncestorScriptMethod(HttpResponse Response ,string targetPageTitle ,string targetFrameName ,string methodName ,string[] paraStrs)

{

StringBuilder scriptString = new StringBuilder();

scriptString.Append('<script language = javascript>');

scriptString.Append('var p = window ;');

scriptString.Append(string.Format('while(p.document.title != '{0}')' ,targetPageTitle));

scriptString.Append('{');

scriptString.Append('p = p.opener ;');

scriptString.Append('}');

if(targetFrameName != null)

{

if(paraStrs == null)

{

scriptString.Append(string.Format('p.frames['{0}'].{1}() ;' ,targetFrameName ,methodName ));

}

else

{

string rParaStr = string.Format(''{0}'' ,paraStrs[0]) ;

for(int i=1 ;i<paraStrs.Length ;i++)

{

rParaStr += string.Format(', '{0}'' ,paraStrs[i]) ;

}

scriptString.Append(string.Format('p.frames['{0}'].{1}({2}) ;' ,targetFrameName ,methodName ,rParaStr));

}

}

else

{

if(paraStrs == null)

{

scriptString.Append(string.Format('p.{0}() ;' ,methodName ));

}

else

{

string rParaStr = string.Format(''{0}'' ,paraStrs[0]) ;

for(int i=1 ;i<paraStrs.Length ;i++)

{

rParaStr += string.Format(', '{0}'' ,paraStrs[i]) ;

}

scriptString.Append(string.Format('p.{0}({1}) ;' ,methodName ,rParaStr));

}

}

scriptString.Append('</'+'script>');

Response.Write(scriptString.ToString());

}

#endregion

5.如何调用本页面中其它框架page的脚本?

CallTargetFrameScriptMethodInSamePage#region CallTargetFrameScriptMethodInSamePage

/**//// <summary>

/// 调用本页面中其它框架内部page的脚本 ,

/// </summary>

public static void CallTargetFrameScriptMethodInSamePage(HttpResponse Response ,string targetFrameName ,string methodName ,string[] paraStrs)

{

StringBuilder scriptString = new StringBuilder();

scriptString.Append('<script language = javascript>');

if(paraStrs == null)

{

scriptString.Append(string.Format('window.parent.{0}.{1}() ; ;' ,targetFrameName ,methodName));

}

else

{

string rParaStr = string.Format(''{0}'' ,paraStrs[0]) ;

for(int i=1 ;i<paraStrs.Length ;i++)

{

rParaStr += string.Format(', '{0}'' ,paraStrs[i]) ;

}

scriptString.Append(string.Format('window.parent.{0}.{1}({2}) ; ;' ,targetFrameName ,methodName ,rParaStr));

}

scriptString.Append('</'+'script>');

Response.Write(scriptString.ToString());

}

#endregion

可见上述这些功能都是通过脚本完成的,如果对脚本不熟悉,是不可能做好Web开发的!

 
 
 
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