<?xml version="1.0" encoding="GBK"?> <project name="struts" basedir="." default=""> <property name="dist" value="classes"/> <property name="src" value="src"/> <path id="classpath"> <fileset dir="lib"> <include name="*.jar"/> </fileset> <pathelement path="${dist}"/> </path> <target name="compile" description="Compile all source code"> <delete dir="${dist}"/> <mkdir dir="${dist}"/> <copy todir="${dist}"> <fileset dir="${src}"> <exclude name="**/*.java"/> </fileset> </copy> <javac destdir="classes" debug="true" includeantruntime="yes" deprecation="false" optimize="false" failonerror="true"> <src path="${src}"/> <classpath refid="classpath"/> </javac> </target> </project>
<?xml version="1.0" encoding="GBK"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1"> <!-- 定义Struts 2的核心Filter --> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <!-- 让Struts 2的核心Filter拦截所有请求 --> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
<%-- 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> author yeeku.H.lee kongyeeku@163.com version 1.0 Copyright (C), 2001-2016, yeeku.H.Lee This program is protected by copyright laws. Program Name: Date: --%> <%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %> <%@taglib prefix="s" uri="/struts-tags"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>直接封装成List</title> </head> <body> <h3>直接封装成List</h3> <s:form action="login"> <s:textfield name="users[0].name" label="第一个用户名"/> <s:textfield name="users[0].pass" label="第一个密码"/> <s:textfield name="users[1].name" label="第二个用户名"/> <s:textfield name="users[1].pass" label="第二个密码"/> <tr> <td colspan="2"><s:submit value="转换" theme="simple"/> <s:reset value="重填" theme="simple"/></td> </tr> </s:form> </body> </html>
<%-- 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> author yeeku.H.lee kongyeeku@163.com version 1.0 Copyright (C), 2001-2016, yeeku.H.Lee This program is protected by copyright laws. Program Name: Date: --%> <%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %> <%@taglib prefix="s" uri="/struts-tags"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>转换结果</title> </head> <body> <s:actionmessage/> 第一个User实例的用户名为:<s:property value="users[0].name"/><br/> 第一个User实例的密码为：<s:property value="users[0].pass"/><br/> 第二个User实例的用户名为:<s:property value="users[1].name"/><br/> 第二个User实例的密码为：<s:property value="users[1].pass"/><br/> </body> </html>
<?xml version="1.0" encoding="GBK"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd"> <struts> <package name="lee" extends="struts-default"> <action name="login" class="org.crazyit.app.action.LoginAction"> <result>/WEB-INF/content/welcome.jsp</result> <result name="error">/WEB-INF/content/welcome.jsp</result> </action> <action name="*"> <result>/WEB-INF/content/{1}.jsp</result> </action> </package> </struts>
package org.crazyit.app.action; import com.opensymphony.xwork2.ActionSupport; import java.util.List; import org.crazyit.app.domain.*; /** * Description: * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class LoginAction extends ActionSupport { // Action类里包含一个不带泛型的List类型的成员变量 private List users; // users的setter和getter方法 public void setUsers(List users) { this.users = users; } public List getUsers() { return this.users; } public String execute() throws Exception { // 在控制台输出Struts 2封装产生的List对象 System.out.println(getUsers()); // 因为没有使用泛型，所以要进行强制类型转换 User firstUser = (User)getUsers().get(0); // users属性的第一个User实例来决定控制逻辑 if (firstUser.getName().equals("crazyit.org") && firstUser.getPass().equals("leegang") ) { addActionMessage("登录成功！"); return SUCCESS; } addActionMessage("登录失败！！"); return ERROR; } }
Element_users=org.crazyit.app.domain.User
package org.crazyit.app.domain; /** * Description: * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class User { private String name; private String pass; //name属性的setter和getter方法 public void setName(String name) { this.name = name; } public String getName() { return this.name; } //pass属性的setter和getter方法 public void setPass(String pass) { this.pass = pass; } public String getPass() { return this.pass; } }