Spring 3 JSON 与 MVC

使用Spring 3 MVC生成JSON数据

xml
    org.springframework
    spring-webmvc
    3.2.18.RELEASE
    com.fasterxml.jackson.core
    jackson-databind
    2.12.4

xml
    
        
    

java
@Controller
@RequestMapping("/users")
public class UserController {
    @RequestMapping(value = "/{id}", method = RequestMethod.GET)
    @ResponseBody
    public User getUser(@PathVariable int id) {
        User user = new User(id, "John Doe");
        return user;
    }
}

java
public class User {
    private int id;
    private String name;
    public User(int id, String name) {
        this.id = id;
        this.name = name;
    }
    // 省略了getter和setter方法
}

json
{
  "id": 1,
  "name": "John Doe"
}