代碼：
registerForm.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>測試form標籤</title>
</head>
<body>
<h3>註冊頁面</h3>
<form:form method="post" action="register" >
<table>
<tr>
<td>姓名:</td>
<td><form:input path="username"/></td>
</tr>
<tr>
<td>性別:</td>
<td><form:input path="sex"/></td>
</tr>
<tr>
<td>年齡:</td>
<td><form:input path="age"/></td>
</tr>
</table>
</form:form>
</body>
</html>registerForm2.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>測試form標籤</title>
</head>
<body>
<h3>註冊頁面</h3>
<form:form modelAttribute="user" method="post" action="register" >
<table>
<tr>
<td>姓名:</td>
<td><form:input path="username"/></td>
</tr>
<tr>
<td>性別:</td>
<td><form:input path="sex"/></td>
</tr>
<tr>
<td>年齡:</td>
<td><form:input path="age"/></td>
</tr>
</table>
</form:form>
</body>
</html>User.java
package com.bean;
import java.io.Serializable;
//域對象，實現序列化接口
public class User implements Serializable {
private String username;
private String sex;
private Integer age;
public User() {
super();
// TODO Auto-generated constructor stub
}
public User(String username, String sex, Integer age) {
super();
this.username = username;
this.sex = sex;
this.age = age;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
@Override
public String toString() {
// TODO Auto-generated method stub
return "User [username=" + username + ", sex=" + sex + ", age=" + age + "]";
}
}
UserController.java
package com.control;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.bean.User;
/*
* HelloWorldController是一個基於註解的控制器,
* 可以同時處理多個請求動作，並且無須實現任何接口。
* org.springframework.stereotype.Controller註解用於指示該類是一個控制器
*/
@Controller
public class UserController {
@RequestMapping(value="/registerForm",method=RequestMethod.GET)
public String registerForm(Model model) {
User user=new User("Haige", "男", 20);
// model中添加屬性command，值是user對象
model.addAttribute("command",user);
return "registerForm";
}
@RequestMapping(value="/registerForm2",method=RequestMethod.GET)
public String registerForm2(Model model) {
User user = new User("Haige","男",20);
// model中添加屬性user，值是user對象
model.addAttribute("user",user);
return "registerForm2";
}
}
截圖：
