参数的校验

User

package com.lin.springboot01.pojo;
 
import com.fasterxml.jackson.annotation.JsonIgnore;
import jakarta.validation.constraints.Email;
import jakarta.validation.constraints.NotEmpty;
import jakarta.validation.constraints.NotNull;
import jakarta.validation.constraints.Pattern;
import lombok.Data;
 
import java.time.LocalDateTime;
 
@Data
public class User {
    @NotNull
    private Integer id;//主键id
    private String username;//用户名
    @JsonIgnore//让springmvc把当前对象转化为json字符串的时候，忽略password，最终的json字符串中就没有password这个属性了
    private String password;//密码
    @NotEmpty
    @Pattern(regexp = "^\\S{1,16}$")
    private String nickname;//昵称
    @NotEmpty
    @Email
    private String email;//邮箱
    private String userPrc;//用户头像地址
    private LocalDateTime createTime;//创建时间
    private LocalDateTime updateTime;//更新时间
 
}

UserController

    @PutMapping("/update")
    public Result update(@RequestBody @Validated User user){
        userService.update(user);
        return Result.success();
    }