java springboot 自定义异常

• 自定义返回result

public class CustomResult {

    /**
     * 状态响应码
     */
    private String  code;

    /**
     * 响应信息
     */
    private String message;

    /**
     * 响应数据
     */
    @JsonInclude(JsonInclude.Include.NON_NULL)
    private Object data;

    /**
     * 数据总数
     */
    @JsonInclude(JsonInclude.Include.NON_NULL)
    private Long totalCount;

    public CustomResult setCode(CustomResultCode customResultCode) {
        this.code = customResultCode.code();
        return this;
    }

    public String getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }

    public CustomResult setMessage(String message) {
        this.message = message;
        return this;
    }

    public Object getData() {
        return data;
    }

    public CustomResult setData(Object data) {
        this.data = data;
        return this;
    }

    public Long getTotalCount() { return totalCount;}

    public CustomResult setTotalCount(Long totalCount) {
        this.totalCount = totalCount;
        return this;
    }

}

• 自定义错误code

public enum CustomResultCode {
    Custom_SUCCESS("1"), //成功
    Custom_Fail("0"); // 失败

    private final String code;

    CustomResultCode(String code) {
        this.code = code;
    }

    public String code() {
        return code;
    }
}

• 测试

@RequestMapping("test-custom-exception")
    public void testCustomException() {
        throw new CustomException("自定义错误");
    }

• 结果

{"code":"0","message":"自定义错误"}

代码