Struts标签（Merge）合并对象

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Struts标签（Merge）合并对象1、/feedback/WebRoot/WEB-INF/lib 2、/feedback/WebRoot/WEB-INF/web.xml<filter><filter-name>struts2CleanupFilter</filter-name><filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class></filter><filter><filter-name>struts2Filter</filter-name><filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class></filter><filter-mapping><filter-name>struts2CleanupFilter</filter-name><url-pattern>*.action</url-pattern><dispatcher>REQUEST</dispatcher><dispatcher>FORWARD</dispatcher></filter-mapping><filter-mapping><filter-name>struts2Filter</filter-name><url-pattern>*.action</url-pattern><dispatcher>REQUEST</dispatcher><dispatcher>FORWARD</dispatcher></filter-mapping>3、/feedback/src/java/com/happy/action/TagsAction.javapublic class TagsAction extends ActionSupport {/** * */private static final long serialVersionUID = 5354535942230549764L;public String execute() {this.addFieldError("error", "错误产生啦！");return "tag1";}}4、/feedback/src/etc/struts.xml<action name="tags" class="com.happy.action.TagsAction"><result name="tag1">content/tags/index.jsp</result></action>5、<%@ pagelanguage="java"import="java.util.*"pageEncoding="UTF-8"%><%@ tagliburi="/struts-tags"prefix="s"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><title>问题反馈系统</title><linkrel="stylesheet"href="<%=request.getContextPath()%>/css/site.css"type="text/css"></link></head><body><center><code>s:iterator</code><br /><s:fielderrorfieldName="error"theme="simple"/><%List<String> list = new ArrayList<String>();for (int i = 0; i < 5; i++) {list.add(i + ": It's OK!");}request.setAttribute("list", list);List<String> list2 = new ArrayList<String>();for (int i = 5; i < 10; i++) {list2.add("<font color='red'>" + i + ": It's not OK!</font>");}request.setAttribute("list2", list2);%><s:iterator value="#request.list">${top }<hr /></s:iterator><hrwidth="100%"size="100"color="blue"/><s:iterator value="#request.list2">${top }<hr /></s:iterator><hrwidth="100%"size="100"color="orange"/><s:merge id="mergeList"><s:param value="#request.list" /><s:param value="#request.list2" /></s:merge><%--<s:iterator value="%{#mergeList}">--%><s:iterator value="mergeList"><s:property /><hr /></s:iterator></center></body></html>6、 7、<s:iterator value="mergeList"><s:property value=”top”/><hr /></s:iterator>//颜色不变8、<s:iterator value="mergeList">${top}<hr /></s:iterator>//颜色变