SpringMVC中Pojo作为参数的应用

首先在页面添加一个表单.

    <form action="springmvc/testPojo" method="post">        <input type="text" name="username" />        <br>        <input type="text" name="email" />        <br>        <input type="text" name="address.city" />        <br>        <input type="text" name="address.provincial" />        <br>        <input type="text" name="age" />        <br>        <input type="submit" value="提交" />    </form>

在操作类中添加一个方法来接收这个表单.

@RequestMapping("/testPojo")public String testPojo(User user){System.out.println(user);return SUCCESS;}

另外需要添加一个User类，并添加GET和SET方法，为了后台显示清楚，重写toString方法。

该应用应该还包含级联模式，所以里面有一个Address类。

package com.yoni.springmvc.entities;public class User {private String username;private String email;private Address address;private int age;public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getEmail() {return email;}public void setEmail(String email) {this.email = email;}public Address getAddress() {return address;}public void setAddress(Address address) {this.address = address;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}@Overridepublic String toString() {return "User [username=" + username + ", email=" + email + ", address=" + address + ", age=" + age + "]";}}

添加一个Address类，添加GET和SET方法，并重写toString方法。

package com.yoni.springmvc.entities;public class Address {private String city;private String provincial;public String getCity() {return city;}public void setCity(String city) {this.city = city;}public String getProvincial() {return provincial;}public void setProvincial(String provincial) {this.provincial = provincial;}@Overridepublic String toString() {return "Address [city=" + city + ", provincial=" + provincial + "]";}}

将页面跑起来后，填写表单，提交后在后台可以看到如下结果。

User [username=aa, email=[e-mail], address=Address [city=wuhan, provincial=hubei], age=36]