生活随笔
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全集异常处理
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我们的全局异常处理一般都是在controller层捕获异常
核心注解:
(1)@RestControllerAdvice:用于controller层异常捕获
(2)@ResponseStatus(value=,reason=):value属性设置异常的状态码,reaseon是异常的描述.
(3)@ExceptionHandler(value=):value值表示异常的类型.
package com.komorebi.common;import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.validation.BindingResult;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestControllerAdvice;import java.nio.file.AccessDeniedException;@Slf4j
@RestControllerAdvice
public class GlobalException {@ResponseStatus(HttpStatus.FORBIDDEN
)@ExceptionHandler(value
= AccessDeniedException.class)public Result handler(AccessDeniedException e
) {log
.info("security权限不足:----------------{}", e
.getMessage());return Result.fail("权限不足");}@ResponseStatus(HttpStatus.BAD_REQUEST
)@ExceptionHandler(value
= MethodArgumentNotValidException.class)public Result handler(MethodArgumentNotValidException e
) {log
.info("实体校验异常:----------------{}", e
.getMessage());BindingResult bindingResult
= e
.getBindingResult();ObjectError objectError
= bindingResult
.getAllErrors().stream().findFirst().get();return Result.fail(objectError
.getDefaultMessage());}@ResponseStatus(HttpStatus.BAD_REQUEST
)@ExceptionHandler(value
= IllegalArgumentException.class)public Result handler(IllegalArgumentException e
) {log
.error("Assert异常:----------------{}", e
.getMessage());return Result.fail(e
.getMessage());}@ResponseStatus(HttpStatus.BAD_REQUEST
)@ExceptionHandler(value
= RuntimeException.class)public Result handler(RuntimeException e
) {log
.error("运行时异常:----------------{}", e
.getMessage());return Result.fail(e
.getMessage());}}
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