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Struts2--属性设置方式

Struts2自动获取/设置数据的方式一共分为两种

  • 属性驱动(FieldDriven)
  • 模型驱动(ModelDriven)
  1.  属性驱动

      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"/>&nbsp;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"/>&nbsp;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     @Override16     public String execute() throws Exception {17         // TODO Auto-generated method stub18         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"/>&nbsp;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     @Override11     public String execute() throws Exception {12         // TODO Auto-generated method stub13         System.out.println("执行了HelloAction的默认方法mae");14         return SUCCESS;15     }16     @Override17     public User getModel() {18         // TODO Auto-generated method stub19         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>

 

Struts2--属性设置方式