参考Spring Boot @RestControllerAdvice 统一异常处理、@RestControllerAdvice构造统一返回值格式和统一异常处理、SpringBoot 使用 beforeBodyWrite 实现统一的接口返回类型

1.创建好我们的统一返回格式

//这些是lombok的注解
@Data
@NoArgsConstructor 
@AllArgsConstructor
public class CommonResponse<T> {
   
    private boolean success;
    private int code;
    private String message;
    private T data;

    public CommonResponse(Integer code, String message, Boolean success) {
   
        this.code = code;
        this.message = message;
        this.success = success;
    }
}

2. 实现RestControllerAdvice，完成对返回信息的捕获

@RestControllerAdvice
public class CommonResponseDataAdvice implements ResponseBodyAdvice {
   

    @Override
    public boolean supports(MethodParameter methodParameter, Class aClass) {
   
        //通过方法参数得到类名， 然后得到类上的annotation，
        // 如果被IgnoreResponseAdvice标识就不拦截
        if (me