struts2驱动模型的运用(Action类实现ModelDriven接口)
struts2驱动模型的使用(Action类实现ModelDriven接口)
struts2驱动模型的使用实例:
1.modelDriven.jsp
2.modelDrivenSuccess.jsp
3.User.java(POJO)
4.ModelDrivenAction类
5.struts.xml
6.访问地址:
http://localhost:8080/struts2/modelDriven.jsp
struts2驱动模型的使用实例:
1.modelDriven.jsp
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%> <%@ taglib uri="/struts-tags" prefix="s"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>模型驱动类测试</title> </head> <body> <s:form action="modeldriven.action" > <s:textfield name="username" label="username"></s:textfield> <s:password name="password" label="password"></s:password> <s:password name="repassword" label="repassword"></s:password> <s:textfield name="age" label="age"></s:textfield> <s:textfield name="birthday" label="birthday"></s:textfield> <s:textfield name="graduation" label="graduation"></s:textfield> <s:submit value="submit"></s:submit> <s:reset value="reset"></s:reset> </s:form> </body> </html>
2.modelDrivenSuccess.jsp
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%> <%@ taglib uri="/struts-tags" prefix="s"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>模型驱动类结果页面</title> </head> <body> <table align="center" border=1 width="50%"> <tr> <td>username</td> <td>${requestScope.username }</td> </tr> <tr> <td>password</td> <td>${requestScope.password }</td> </tr> <tr> <td>repassword</td> <td>${requestScope.repassword }</td> </tr> <tr> <td>age</td> <td>${requestScope.age }</td> </tr> <tr> <td>birthday</td> <td>${requestScope.birthday }</td> </tr> <tr> <td>graduation</td> <td>${requestScope.graduation }</td> </tr> </table> </body> </html>
3.User.java(POJO)
package com.hitsoft.model; import java.util.Date; public class User { private String username; private String password; private String repassword; private int age; private Date birthday; private Date graduation; public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getRepassword() { return repassword; } public void setRepassword(String repassword) { this.repassword = repassword; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } public Date getBirthday() { return birthday; } public void setBirthday(Date birthday) { this.birthday = birthday; } public Date getGraduation() { return graduation; } public void setGraduation(Date graduation) { this.graduation = graduation; } }
4.ModelDrivenAction类
package com.hitsoft.action; import com.hitsoft.model.User; import com.opensymphony.xwork2.ActionSupport; import com.opensymphony.xwork2.ModelDriven; import com.opensymphony.xwork2.Preparable; //Preparable是在execute()方法调用之前执行的 @SuppressWarnings("unchecked") public class ModelDrivenAction extends ActionSupport implements ModelDriven<User>,Preparable{ private User user = new User(); public User getModel() { return user; } public String execute(){ System.out.println("execute invoked!"); return SUCCESS; } public void prepare() throws Exception { System.out.println("prepare invoked!"); } }
5.struts.xml
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <package name="struts2" extends="struts-default"> <action name="modeldriven" class="com.hitsoft.action.ModelDrivenAction" > <result name="success">/modelDrivenSuccess.jsp</result> <result name="input">/modelDriven.jsp</result> </action> </package> </struts>
6.访问地址:
http://localhost:8080/struts2/modelDriven.jsp