📄 常用的struts 2_0的标志（tag）介绍 - max on java - blogjava.htm
字号:
<DIV style="FONT-WEIGHT: normal">
<P>描述：<BR>包含一个servlet的输出（servlet或jsp的页面）。 </P>
<P>参数： </P>
<TABLE
style="BORDER-TOP: #008000 2px solid; BORDER-BOTTOM: #008000 2px solid"
cellSpacing=0 cellPadding=4 border=0>
<TBODY>
<TR>
<TD
style="FONT-WEIGHT: bold; BORDER-BOTTOM: #008000 1px solid; HEIGHT: 21px; BACKGROUND-COLOR: #ccffcc">名称</TD>
<TD
style="FONT-WEIGHT: bold; BORDER-BOTTOM: #008000 1px solid; HEIGHT: 21px; BACKGROUND-COLOR: #ccffcc">必需</TD>
<TD
style="FONT-WEIGHT: bold; BORDER-BOTTOM: #008000 1px solid; HEIGHT: 21px; BACKGROUND-COLOR: #ccffcc">默认</TD>
<TD
style="FONT-WEIGHT: bold; BORDER-BOTTOM: #008000 1px solid; HEIGHT: 21px; BACKGROUND-COLOR: #ccffcc">类型</TD>
<TD
style="FONT-WEIGHT: bold; BORDER-BOTTOM: #008000 1px solid; HEIGHT: 21px; BACKGROUND-COLOR: #ccffcc">描述</TD></TR>
<TR>
<TD>value</TD>
<TD>是</TD>
<TD></TD>
<TD>String</TD>
<TD>要包含的jsp或servlet</TD></TR>
<TR>
<TD>id</TD>
<TD>否</TD>
<TD></TD>
<TD>Object/String</TD>
<TD>用来标识元素的id。在UI和表单中为HTML的id属性 </TD></TR></TBODY></TABLE>
<P>例子： </P>
<DIV
style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee"><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #ffff00"><%</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">@ page contentType</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">=</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">text/html; charset=UTF-8</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5"> </SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #ffff00">%></SPAN><SPAN
style="COLOR: #000000"><BR></SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #ffff00"><%</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">@ taglib prefix</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">=</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">s</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5"> uri</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">=</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">/struts-tags</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5"> </SPAN><SPAN
style="COLOR: #000000; BACKGROUND-COLOR: #ffff00">%></SPAN><SPAN
style="COLOR: #000000"><BR><BR></SPAN><SPAN
style="COLOR: #0000ff"><!</SPAN><SPAN
style="COLOR: #ff00ff">DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR></SPAN><SPAN
style="COLOR: #0000ff"><</SPAN><SPAN
style="COLOR: #800000">html</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"><</SPAN><SPAN
style="COLOR: #800000">head</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"><</SPAN><SPAN
style="COLOR: #800000">title</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000">Iterator</SPAN><SPAN
style="COLOR: #0000ff"></</SPAN><SPAN
style="COLOR: #800000">title</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"></</SPAN><SPAN
style="COLOR: #800000">head</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"><</SPAN><SPAN
style="COLOR: #800000">body</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"><</SPAN><SPAN
style="COLOR: #800000">h3</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000">Interator Page</SPAN><SPAN
style="COLOR: #0000ff"></</SPAN><SPAN
style="COLOR: #800000">h3</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"><</SPAN><SPAN
style="COLOR: #800000">s:include </SPAN><SPAN
style="COLOR: #ff0000">value</SPAN><SPAN
style="COLOR: #0000ff">="/condition.jsp"</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"><</SPAN><SPAN
style="COLOR: #800000">s:param </SPAN><SPAN
style="COLOR: #ff0000">name</SPAN><SPAN
style="COLOR: #0000ff">="name"</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000">Max</SPAN><SPAN
style="COLOR: #0000ff"></</SPAN><SPAN
style="COLOR: #800000">s:param</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"></</SPAN><SPAN
style="COLOR: #800000">s:include</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"><</SPAN><SPAN
style="COLOR: #800000">h3</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000">i18n</SPAN><SPAN
style="COLOR: #0000ff"></</SPAN><SPAN
style="COLOR: #800000">h3</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"><</SPAN><SPAN
style="COLOR: #800000">s:include </SPAN><SPAN
style="COLOR: #ff0000">value</SPAN><SPAN
style="COLOR: #0000ff">="/i18n.jsp"</SPAN><SPAN
style="COLOR: #ff0000"> </SPAN><SPAN
style="COLOR: #0000ff">/></SPAN><SPAN
style="COLOR: #000000"><BR> </SPAN><SPAN
style="COLOR: #0000ff"></</SPAN><SPAN
style="COLOR: #800000">body</SPAN><SPAN
style="COLOR: #0000ff">></SPAN><SPAN
style="COLOR: #000000"><BR></SPAN><SPAN
style="COLOR: #0000ff"></</SPAN><SPAN
style="COLOR: #800000">html</SPAN><SPAN
style="COLOR: #0000ff">></SPAN></DIV><SPAN
style="FONT-SIZE: smaller; FONT-STYLE: italic">例4 include.jsp</SPAN>
<P></P></DIV>
<LI style="FONT-SIZE: 12px">param
<DIV style="FONT-WEIGHT: normal">
<P>描述：<BR>为其他标签提供参数,比如include标签和bean标签.
参数的name属性是可选的,如果提供，会调用Component的方法addParameter(String, Object),
如果不提供，则外层嵌套标签必须实现UnnamedParametric接口(如TextTag)。 </P>
<P style="TEXT-ALIGN: center"></P>
<TABLE
style="BORDER-RIGHT: #f0c000 1px solid; BORDER-TOP: #f0c000 1px solid; BORDER-LEFT: #f0c000 1px solid; BORDER-BOTTOM: #f0c000 1px solid; BACKGROUND-COLOR: #ffffce"
cellSpacing=0 cellPadding=0 border=0>
<TBODY>
<TR>
<TD
style="PADDING-RIGHT: 4px; PADDING-LEFT: 4px; PADDING-BOTTOM: 4px; PADDING-TOP: 4px; HEIGHT: 39px"><IMG
src="常用的Struts 2_0的标志（Tag）介绍 - Max On Java - BlogJava.files/lightbulb_on.gif"></TD>
<TD
style="PADDING-RIGHT: 4px; PADDING-LEFT: 4px; PADDING-BOTTOM: 4px; PADDING-TOP: 4px; FONT-FAMILY: 华文仿宋; HEIGHT: 39px"
align=left>value的提供有两种方式,通过value属性或者标签中间的text,不同之处我们看一下例子:<BR>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"
align=left><SPAN
style="FONT-SIZE: 10pt; COLOR: teal; FONT-FAMILY: 'Courier New'"><</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #3f7f7f; FONT-FAMILY: 'Courier New'">param
</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #7f007f; FONT-FAMILY: 'Courier New'">name</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'">=</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #2a00ff; FONT-FAMILY: 'Courier New'">"color"</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: teal; FONT-FAMILY: 'Courier New'">></SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'">blue</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: teal; FONT-FAMILY: 'Courier New'"></</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #3f7f7f; FONT-FAMILY: 'Courier New'">param</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: teal; FONT-FAMILY: 'Courier New'">></SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'"></SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #3f5fbf; FONT-FAMILY: 'Courier New'"><!--
(A) --></SPAN><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'"><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; COLOR: teal; FONT-FAMILY: 'Courier New'"><</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #3f7f7f; FONT-FAMILY: 'Courier New'">param
</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #7f007f; FONT-FAMILY: 'Courier New'">name</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'">=</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #2a00ff; FONT-FAMILY: 'Courier New'">"color"
</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #7f007f; FONT-FAMILY: 'Courier New'">value</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'">=</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #2a00ff; FONT-FAMILY: 'Courier New'">"blue"</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: teal; FONT-FAMILY: 'Courier New'">/></SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'"></SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #3f5fbf; FONT-FAMILY: 'Courier New'"><!--
(B) --></SPAN><BR>(A)参数值会以String的格式放入statck.
<BR>(B)该值会以java.lang.Object的格式放入statck. </P></TD></TR></TBODY></TABLE>
<P>参数： </P>
<TABLE
style="BORDER-TOP: #008000 2px solid; BORDER-BOTTOM: #008000 2px solid"
cellSpacing=0 cellPadding=4 border=0>
<TBODY>
<TR>
<TD
style="FONT-WEIGHT: bold; BORDER-BOTTOM: #008000 1px solid; HEIGHT: 21px; BACKGROUND-COLOR: #ccffcc">名称</TD>
<TD
style="FONT-WEIGHT: bold; BORDER-BOTTOM: #008000 1px solid; HEIGHT: 21px; BACKGROUND-COLOR: #ccffcc">必需</TD>
<TD
style="FONT-WEIGHT: bold; BORDER-BOTTOM: #008000 1px solid; HEIGHT: 21px; BACKGROUND-COLOR: #ccffcc">默认</TD>
<TD
style="FONT-WEIGHT: bold; BORDER-BOTTOM: #008000 1px solid; HEIGHT: 21px; BACKGROUND-COLOR: #ccffcc">类型</TD>
<TD
style="FONT-WEIGHT: bold; BORDER-BOTTOM: #008000 1px solid; HEIGHT: 21px; BACKGROUND-COLOR: #ccffcc">描述</TD></TR>
<TR>
<TD>name</TD>
<TD>否</TD>
<TD></TD>
<TD>String</TD>
<TD>参数名</TD></TR>
<TR>
<TD>value</TD>
<TD>否</TD>
<TD></TD>
<TD>String</TD>
<TD>value表达式</TD></TR>
<TR>
<TD>id</TD>
<TD>否</TD>
<TD></TD>
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