struts的标签
<%@ taglib uri="/struts-tags" prefix="s"%>
<%@ taglib uri="/WEB-INF/tld/struts-bean.tld" prefix="bean" %>
<%@ taglib uri="/WEB-INF/tld/struts-html.tld" prefix="html" %>
<%@ taglib uri="/WEB-INF/tld/struts-logic.tld" prefix="logic" %>
<%@ taglib uri="/WEB-INF/tld/taglibs-string.tld" prefix="str" %>
<%@ taglib uri="/WEB-INF/tld/valuelist.tld" prefix="vlh"%>
<%@ taglib uri="/WEB-INF/tld/c.tld" prefix="c" %>(貌似自定义标签其实和这句差不多<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>)
用法（url是配置里的name—>有tag-class的那个其他的name是这个标签的属性）
<c:url value='/berheley/calendar/affairAdd.ao?method=goUrl'/>
<c:foreach items=””/>
<?xml version="1.0" encoding="UTF-8" ?>
<taglib xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd"
version="2.0">
<description>JSTL 1.1 core library</description>
<display-name>JSTL core</display-name>
<tlib-version>1.1</tlib-version>
<short-name>c</short-name>
<uri>http://java.sun.com/jsp/jstl/core</uri>
<validator>
<description>
Provides core validation features for JSTL tags.
</description>
<validator-class>
org.apache.taglibs.standard.tlv.JstlCoreTLV
</validator-class>
</validator>
<tag>
<description>
Creates a URL with optional query parameters.
</description>
<name>url</name>
<tag-class>org.apache.taglibs.standard.tag.rt.core.UrlTag</tag-class>
<body-content>JSP</body-content>
<attribute>
<description>
Name of the exported scoped variable for the
processed url. The type of the scoped variable is
String.
</description>
<name>var</name>
<required>false</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
<attribute>
<description>
Scope for var.
</description>
<name>scope</name>
<required>false</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
<attribute>
<description>
URL to be processed.
</description>
<name>value</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
<attribute>
<description>
Name of the context when specifying a relative URL
resource that belongs to a foreign context.
</description>
<name>context</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
</tag>
<tag>
<description>
Retrieves an absolute or relative URL and exposes its contents
to either the page, a String in 'var', or a Reader in 'varReader'.
</description>
<name>import</name>
<tag-class>org.apache.taglibs.standard.tag.rt.core.ImportTag</tag-class>
<tei-class>org.apache.taglibs.standard.tei.ImportTEI</tei-class>
<body-content>JSP</body-content>
<attribute>
<description>
The URL of the resource to import.
</description>
<name>url</name>
<required>true</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
<attribute>
<description>
Name of the exported scoped variable for the
resource's content. The type of the scoped
variable is String.
</description>
<name>var</name>
<required>false</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
<attribute>
<description>
Scope for var.
</description>
<name>scope</name>
<required>false</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
<attribute>
<description>
Name of the exported scoped variable for the
resource's content. The type of the scoped
variable is Reader.
</description>
<name>varReader</name>
<required>false</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
<attribute>
<description>
Name of the context when accessing a relative
URL resource that belongs to a foreign
context.
</description>
<name>context</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
<attribute>
<description>
Character encoding of the content at the input
resource.
</description>
<name>charEncoding</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
</tag>
<tag>
<description>
The basic iteration tag, accepting many different
collection types and supporting subsetting and other
functionality
</description>
<name>forEach</name>
<tag-class>org.apache.taglibs.standard.tag.rt.core.ForEachTag</tag-class>
<tei-class>org.apache.taglibs.standard.tei.ForEachTEI</tei-class>
<body-content>JSP</body-content>
<attribute>
<description>
Collection of items to iterate over.
</description>
<name>items</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
<type>java.lang.Object</type>
</attribute>
<attribute>
<description>
If items specified:
Iteration begins at the item located at the
specified index. First item of the collection has
index 0.
If items not specified:
Iteration begins with index set at the value
specified.
</description>
<name>begin</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
<type>int</type>
</attribute>
<attribute>
<description>
If items specified:
Iteration ends at the item located at the
specified index (inclusive).
If items not specified:
Iteration ends when index reaches the value
specified.
</description>
<name>end</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
<type>int</type>
</attribute>
<attribute>
<description>
Iteration will only process every step items of
the collection, starting with the first one.
</description>
<name>step</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
<type>int</type>
</attribute>
<attribute>
<description>
Name of the exported scoped variable for the
current item of the iteration. This scoped
variable has nested visibility. Its type depends
on the object of the underlying collection.
</description>
<name>var</name>
<required>false</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
<attribute>
<description>
Name of the exported scoped variable for the
status of the iteration. Object exported is of type
javax.servlet.jsp.jstl.core.LoopTagStatus. This scoped variable has nested
visibility.
</description>
<name>varStatus</name>
<required>false</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
</tag>
<input type="hidden" name="bysq.imageUrl" id="imageUrl" value="<s:property value="bysq.imageUrl"/>"/>
S标签的用法，value取值是不要${}EL表达式的，其实除了c标签，struts的标签都不用EL表达式就可以取到值。
