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Struts2自动获取/设置数据的方式一共分为两种
属性又分为两种：
|- 基本数据类型
|- JavaBean属性类型
基本数据类型：实例
1 <%@ page language="java" pageEncoding="UTF-8"%> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 3 <html> 4 <head> 5 <title>Insert title here</title> 6 </head> 7 <body> 8 <form action="hello" method="get"> 9 姓名；<input type="text" name="name" size="10px" value="fuwh" readonly="readonly"/> 10 年龄：<input type="text" name="age" size="10px" value="23" readonly="readonly"/> 11 <button type="submit">提交</button> 12 </form> 13 </body> 14 </html>
package com.fuwh.struts; import com.opensymphony.xwork2.Action; import com.opensymphony.xwork2.ModelDriven; public class HelloAction implements Action{ private String name; private int age; public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } @Override public String execute() throws Exception { // TODO Auto-generated method stub System.out.println("执行了HelloAction的默认方法"); return SUCCESS; } }
1 <%@ page language="java" pageEncoding="UTF-8"%> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 3 <html> 4 <head> 5 <title>Insert title here</title> 6 </head> 7 <body> 8 欢迎${age }岁的${name }光临 9 </body> 10 </html>
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE struts PUBLIC 3 "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" 4 "http://struts.apache.org/dtds/struts-2.3.dtd"> 5 6 <struts> 7 <package name="mypack" extends="struts-default"> 8 <action name="hello" class="com.fuwh.struts.HelloAction"> 9 <result name="success">hello.jsp</result> 10 </action> 11 </package> 12 </struts>
JavaBean属性类型
1 package com.fuwh.struts; 2 3 public class User implements java.io.Serializable{ 4 5 private static final long serialVersionUID = 1L; 6 7 private String name; 8 private int age; 9 10 public String getName() { 11 return name; 12 } 13 public void setName(String name) { 14 this.name = name; 15 } 16 public int getAge() { 17 return age; 18 } 19 public void setAge(int age) { 20 this.age = age; 21 } 22 23 }
1 <%@ page language="java" pageEncoding="UTF-8"%> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 3 <html> 4 <head> 5 <title>Insert title here</title> 6 </head> 7 <body> 8 <form action="hello" method="get"> 9 姓名；<input type="text" name="user.name" size="10px" value="fuwh" readonly="readonly"/> 10 年龄：<input type="text" name="user.age" size="10px" value="23" readonly="readonly"/> 11 <button type="submit">提交</button> 12 </form> 13 </body> 14 </html>
1 package com.fuwh.struts; 2 3 import com.opensymphony.xwork2.Action; 4 5 public class HelloAction implements Action{ 6 7 private User user 8 9 public User getUser() { 10 return user; 11 } 12 public void setUser(User) { 13 this.user = user; 14 } 15 @Override 16 public String execute() throws Exception { 17 // TODO Auto-generated method stub 18 System.out.println("执行了HelloAction的默认方法"); 19 return SUCCESS; 20 } 21 22 }
1 <%@ page language="java" pageEncoding="UTF-8"%> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 3 <html> 4 <head> 5 <title>Insert title here</title> 6 </head> 7 <body> 8 欢迎${user.age }岁的${user.name }光临 9 </body> 10 </html>
struts.xml配置
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE struts PUBLIC 3 "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" 4 "http://struts.apache.org/dtds/struts-2.3.dtd"> 5 6 <struts> 7 <package name="mypack" extends="struts-default"> 8 <action name="hello" class="com.fuwh.struts.HelloAction"> 9 <result name="success">hello.jsp</result> 10 </action> 11 </package> 12 </struts>
模型驱动
1 <%@ page language="java" pageEncoding="UTF-8"%> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 3 <html> 4 <head> 5 <title>Insert title here</title> 6 </head> 7 <body> 8 <form action="hello" method="get"> 9 姓名；<input type="text" name="name" size="10px" value="fuwh" readonly="readonly"/> 10 年龄：<input type="text" name="age" size="10px" value="23" readonly="readonly"/> 11 <button type="submit">提交</button> 12 </form> 13 </body> 14 </html>
1 package com.fuwh.struts; 2 3 import com.opensymphony.xwork2.Action; 4 import com.opensymphony.xwork2.ModelDriven; 5 6 public class HelloAction implements Action,ModelDriven{ 7 8 private User user=new User(); 9 10 @Override 11 public String execute() throws Exception { 12 // TODO Auto-generated method stub 13 System.out.println("执行了HelloAction的默认方法mae"); 14 return SUCCESS; 15 } 16 @Override 17 public User getModel() { 18 // TODO Auto-generated method stub 19 System.out.println("执行了getModel方法"); 20 return this.user; 21 } 22 }
1 <%@ page language="java" pageEncoding="UTF-8"%> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 3 <html> 4 <head> 5 <title>Insert title here</title> 6 </head> 7 <body> 8 欢迎${age }岁的${name }光临 9 </body> 10 </html>
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE struts PUBLIC 3 "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" 4 "http://struts.apache.org/dtds/struts-2.3.dtd"> 5 6 <struts> 7 <package name="mypack" extends="struts-default"> 8 <action name="hello" class="com.fuwh.struts.HelloAction"> 9 <result name="success">hello.jsp</result> 10 </action> 11 </package> 12 </struts>
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原文地址：http://www.cnblogs.com/zerotomax/p/5906578.html
