全局异常构建

package com.lingyang.system.util.exception;

import lombok.Getter;

/**
 * @author **文
 * @Description:
 * @createDate 2024/8/8 15:20
 **/
@Getter
public class TokenErrotException extends RuntimeException{

    private final String errorMessage;

    public TokenErrotException(String errorMessage) {
        this.errorMessage = errorMessage;
    }

}

异常捕获与返回

package com.lingyang.system.util.exception;

import com.lingyang.system.util.result.Result;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.ConstraintViolationException;
import org.springframework.core.Constants;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;

/**
 * @author 黑锦鲤
 * @Description:
 * @createDate 2024/7/19 11:36
 **/
@ResponseBody
@ControllerAdvice
public class MyGlobalExceptionHandler {

    @ExceptionHandler(value = TokenErrotException.class)
    public Result<String> handleException(TokenErrotException e) {
        return Result.tokenError(e.getMessage());
    }

}

返回结果