struts2配置（namespace,include,method的使用）

接着复习吧，每天晚上有时间就做几个小例子，是谁偷走了我的时间？

常用的一些配置namespace,include,method的使用.

namespace,include用于组织项目中的多个模块

method用于指定action执行的方法

组织图：

struts.xml:

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
	<constant name="struts.devMode " value="true" />
	<!--
		 namespace 好像必须指定哦(2.1.8中至少应该写个/)   / 代表根，即web应用上下文
	 	 name与namespace 可以设置为模块的名称
	 	 
	 	 method属性的作用：调用action中对应的方法，以下面为例:对于method=list,即调用HelloAction中的list或doList方法
	 	  当没有指定method属性时，默认调用execute方法
	 	  注:action中的list或doList方法签名要与execute方法一致
	 -->
	<package name="struts2Prac" extends="struts-default" namespace="/">
		<action name="hello" class="cn.enjoylife.prac.action.HelloAction">
			<result name="success" >/success.jsp</result>
		</action>
		<action name="helloList" class="cn.enjoylife.prac.action.HelloAction" method="list">
			<result name="success" >/success.jsp</result>
		</action>
		<action name="helloDelete" class="cn.enjoylife.prac.action.HelloAction" method="delete">
			<result name="success" >/success.jsp</result>
		</action>
	</package>
	
	<!-- include可以管理多个struts xml文件 -->
	<include file="cn/enjoylife/prac/resource/struts-emp.xml"/>
	<include file="cn/enjoylife/prac/resource/struts-dept.xml"/>
	
</struts>    

struts-dept.xml:

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
	<package name="dept" extends="struts-default" namespace="/dept">
		<action name="deptAct" class="cn.enjoylife.prac.action.DeptAction">
			<result name="success">/success.jsp</result>
		</action>
	</package>
</struts>    

struts-emp.xml:

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
	<package name="emp" extends="struts-default" namespace="/emp">
		<action name="empAct" class="cn.enjoylife.prac.action.EmpAction">
			<result name="success" >/success.jsp</result>
		</action>
	</package>
</struts>    

HelloAction.java:

public class HelloAction extends ActionSupport {
	private static final long serialVersionUID = 6832032564761957243L;
	private String hello;
	public String getHello() {
		return hello;
	}
	public void setHello(String hello) {
		this.hello = hello;
	}
	@Override
	public String execute() throws Exception {
		System.out.println("execute...");
		return SUCCESS;
	}
	
	public String doList() throws Exception {
		System.out.println("list...");
		return SUCCESS;
	}
	
	public String doDelete() throws Exception {
		System.out.println("delete...");
		return SUCCESS;
	}
}

EmpAction.java与DeptAction.java与HelloAction.java相似，略.