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SpringMVC包装POJO对象类型

程序员文章站 2022-03-24 15:25:55
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包装参数，就是一个Pojo对象中包含另外一个Pojo对象

5.3.1设计Address对象
package com.bean;

public class Address {
    private String province;
    private String city;

    public String getProvince() {
        return province;
    }

    public void setProvince(String province) {
        this.province = province;
    }

    public String getCity() {
        return city;
    }

    public void setCity(String city) {
        this.city = city;
    }
}
5.3.2设计User对象
package com.bean;

public class User {
    private String username;
    private Integer age;
    private Address address;

    public Address getAddress() {
        return address;
    }

    public void setAddress(Address address) {
        this.address = address;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }
}
5.3.3 设计表单
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>测试Pojo封装</title>
</head>
<body>
<h2>包装Pojo类型参数封装</h2>
<form action="/param.do" method="post">
    用户名：<input type="text" name="username"><br>
    年龄：<input type="text" name="age"><br>
    省份：<input type="text" name="address.province"><br>
    城市：<input type="text" name="address.city"><br>
    <input type="submit" value="提交">
</form>
</body>
</html>
5.3.4 设计controller
package com.controller;

import com.bean.User;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class POJOController {
    @RequestMapping("/param.do")
    public String save(User user){
        System.out.println("用户名："+user.getUsername());
        System.out.println("年龄："+user.getAge());
        System.out.println("省份："+user.getAddress().getProvince());
        System.out.println("城市："+user.getAddress().getCity());
        return "hello";
    }
}
5.3.5编写Springmvc配置
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- 1.扫描Controller的包-->
    <context:component-scan base-package="com.controller"/>

    <!-- 2.配置视图解析器 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 2.1 页面前缀 -->
        <property name="prefix" value="/pages/"/>
        <!-- 2.2 页面后缀 -->
        <property name="suffix" value=".jsp"/>
    </bean>

    <!-- 3.创建处理器适配器和处理器映射器-->
    <mvc:annotation-driven/>
</beans>
5.3.6测试成功截图

SpringMVC包装POJO对象类型

相关标签： Spring spring mvc java

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