> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd"> <struts> <!-- 採用注解的方式 --> <constant name="struts.enable.DynamicMethodInvocation" value="true" /> <constant name="struts.devMode" value="true" /> <package name="default" namespace="" extends="struts-default"> <!-- struts2捕获action类异常 --> <global-results> <result name="error">/error.jsp</result> </global-results> <global-exception-mappings> <exception-mapping result="error" exception="java.lang.Exception"></exception-mapping> </global-exception-mappings> <action name="link" class="com.test.action.LoginAction"> <result>/result.jsp</result> </action> <action name="linkIOC" class="com.test.action.LoginActionIOC"> <result>/result.jsp</result> </action> </package> <!-- Add packages here --> </struts>
測试类
package com.test.action;import java.util.Map;import com.opensymphony.xwork2.ActionContext;import com.opensymphony.xwork2.ActionSupport;public class LoginAction extends ActionSupport{ /** * */ private static final long serialVersionUID = 1L; private Map request; private Map session; private Map application; public LoginAction() { System.out.println("loginaction构造函数！"); request=(Map) ActionContext.getContext().get("request"); session=ActionContext.getContext().getSession(); application=ActionContext.getContext().getApplication(); } public String execute() { //System.out.println(request); //System.out.println(session); //System.out.println(application); int i=100/0;/*这个地方会抛出异常，默认情况下struts2是不会捕获异常，直接抛出*/ request.put("msg", "欢迎你！"); return SUCCESS; }} 输出结果 