Spring MVC接受表单自动封装特性实例解析

Spring MVC接受表单自动封装特性实例解析

这篇文章主要介绍了Spring MVC接受表单自动封装特性实例解析,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下

Spring MVC中的Controller可以以实体类接受来自客户端的form表单，表单的字段自动构成实体类对象

客户端的表单

实体类

public class User {

private String name;

private Integer age;

private String hobby;

public User() {

this.name = "未初始化";

this.age = 10;

this.hobby = "coding";

}

public User(String name) {

this.name = name;

this.age = 10;

this.hobby = "coding";

}

public User(String name, Integer age) {

this.name = name;

this.age =http:// age;

this.hobby = "coding";

}

public User(String name, Integer age, String hobby) {

this.name = name;

this.age = age;

ttCJeehis.hobby = hobby;

}

public Integer getAge() {

return age;

}

public String getHobby() {

return hobby;

}

public String getName() {

return name;

}

public void setAge(Integer age) {

this.age = age;

}

public void setHobby(String hobby) {

this.hobby = hobby;

}

public void setName(String name) {

this.name = name;

}

@Override

public String toString() {

return "User{" +

"name='" + name + '\'' +

", age=" + age +

", hobby='" + hobby + '\'' +

'}';

}

}

服务端接收

@http://Controller

@RequestMapping("/test")

public class TestController {

@RequestMapping(value = "/user", method = RequestMethod.POST)

// 控制器会自动实例化参数

public String user(User user) {

System.out.println(user);

return "redirect:/test/user";

}

@RequestMapping(value = "/user", method = RequestMethod.GET)

public String user() {

return "form";

}

}

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