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Apache Struts API Documentation: Class TagUtils
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SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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org.apache.struts.taglib</FONT>
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Class TagUtils</H2>
<PRE>
java.lang.Object
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+--<B>org.apache.struts.taglib.TagUtils</B>
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<DL>
<DT>public class <B>TagUtils</B><DT>extends java.lang.Object</DL>
<P>
Provides helper methods for JSP tags.
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<DL>
<DT><B>Since: </B><DD>Struts 1.2</DD>
<DT><B>Version: </B><DD>$Rev: 384235 $</DD>
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<B>Field Summary</B></FONT></TD>
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<CODE>private static <A HREF="../../../../org/apache/struts/taglib/TagUtils.html">TagUtils</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#instance">instance</A></B></CODE>
<BR>
The Singleton instance.</TD>
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<CODE>private static org.apache.commons.logging.Log</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#log">log</A></B></CODE>
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Commons logging instance.</TD>
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<CODE>private static <A HREF="../../../../org/apache/struts/util/MessageResources.html">MessageResources</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#messages">messages</A></B></CODE>
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The message resources for this package.</TD>
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<CODE>private static java.util.Map</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#scopes">scopes</A></B></CODE>
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Maps lowercase JSP scope names to their PageContext integer constant values.</TD>
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<CODE>protected </CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#TagUtils()">TagUtils</A></B>()</CODE>
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Constructor for TagUtils.</TD>
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<CODE>(package private) static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#<clinit>()"><clinit></A></B>()</CODE>
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Initialize the scope names map.</TD>
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<CODE> java.util.Map</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#computeParameters(javax.servlet.jsp.PageContext, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, boolean)">computeParameters</A></B>(javax.servlet.jsp.PageContext pageContext, java.lang.String paramId, java.lang.String paramName, java.lang.String paramProperty, java.lang.String paramScope, java.lang.String name, java.lang.String property, java.lang.String scope, boolean transaction)</CODE>
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Compute a set of query parameters that will be dynamically added to a generated URL.</TD>
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<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#computeURL(javax.servlet.jsp.PageContext, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.util.Map, java.lang.String, boolean)">computeURL</A></B>(javax.servlet.jsp.PageContext pageContext, java.lang.String forward, java.lang.String href, java.lang.String page, java.lang.String action, java.lang.String module, java.util.Map params, java.lang.String anchor, boolean redirect)</CODE>
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<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#computeURL(javax.servlet.jsp.PageContext, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.util.Map, java.lang.String, boolean, boolean)">computeURL</A></B>(javax.servlet.jsp.PageContext pageContext, java.lang.String forward, java.lang.String href, java.lang.String page, java.lang.String action, java.lang.String module, java.util.Map params, java.lang.String anchor, boolean redirect, boolean encodeSeparator)</CODE>
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<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#computeURLWithCharEncoding(javax.servlet.jsp.PageContext, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.util.Map, java.lang.String, boolean, boolean)">computeURLWithCharEncoding</A></B>(javax.servlet.jsp.PageContext pageContext, java.lang.String forward, java.lang.String href, java.lang.String page, java.lang.String action, java.lang.String module, java.util.Map params, java.lang.String anchor, boolean redirect, boolean useLocalEncoding)</CODE>
<BR>
Compute a hyperlink URL based on the <code>forward</code>, <code>href</code>, <code>action</code> or <code>page</code> parameter that is not null.</TD>
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<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#computeURLWithCharEncoding(javax.servlet.jsp.PageContext, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.util.Map, java.lang.String, boolean, boolean, boolean)">computeURLWithCharEncoding</A></B>(javax.servlet.jsp.PageContext pageContext, java.lang.String forward, java.lang.String href, java.lang.String page, java.lang.String action, java.lang.String module, java.util.Map params, java.lang.String anchor, boolean redirect, boolean encodeSeparator, boolean useLocalEncoding)</CODE>
<BR>
Compute a hyperlink URL based on the <code>forward</code>, <code>href</code>, <code>action</code> or <code>page</code> parameter that is not null.</TD>
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<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#encodeURL(java.lang.String)">encodeURL</A></B>(java.lang.String url)</CODE>
<BR>
URLencodes a string assuming the character encoding is UTF-8.</TD>
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<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#encodeURL(java.lang.String, java.lang.String)">encodeURL</A></B>(java.lang.String url, java.lang.String enc)</CODE>
<BR>
Use the new URLEncoder.encode() method from Java 1.4 if available, else use the old deprecated version.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/taglib/TagUtils.html#filter(java.lang.String)">filter</A></B>(java.lang.String value)</CODE>
<BR>
Filter the specified string for characters that are sensitive to⌨️ 快捷键说明
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