SpringBoot 入门 参数接收 必传参数 数组 集合 时间接收

@RestController
//表示该类为请求处理类
public class HttpDeal {
    @RequestMapping("/login")
    //这个方法处理哪一个地址过来的请求
    public String hello()
    {
        return "返回给浏览器";
    }
    }

@RequestMapping("/login")
    public  String login(int id,String password){
      return "登录成功"+id;
    }

@RequestMapping("/update/{id}")
    public  String login(@PathVariable int id){
        System.out.println(id);
      return  "OK";
    }

@RequestMapping("/login")
    public  String login(@RequestParam(name="name") int id, String password){
      return "登录成功"+id;
    }

@RequestParam(required = false)
//required 表示参数非必传

@RequestMapping("/update")
    public  String login(@DateTimeFormat(pattern = "HH:mm") LocalTime time){
    System.out.println(time);
      return  "OK";
    }

{
"user":"123",
"password":"456"  
}

public class User {
    private String user;
    private String password;
    public String getUser() {
        return user;
    }
    public void setUser(String user) {
        this.user = user;
    }
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
    @Override
    public String toString() {
        return "User{" +
                "user='" + user + '\'' +
                ", password='" + password + '\'' +
                '}';
    }
}

@RequestMapping("/update")
    public  String login(@RequestBody User user){
    System.out.println(user.getPassword());
      return  "OK";
    }

@RequestMapping("/login")
    public  String login(String[] id){
  //id参数名需相同
        return Arrays.toString(id);
    }

@RequestMapping("/login")
    public  String login(@RequestParam List<String> id){
        System.out.println(id);
      return  "OK";
    }