1、创建自定义异常

public class TokenException extends RuntimeException {

private static final long serialVersionUID = 1L;

private Integer errCode;

private String message;

public TokenException(Integer errCode){

this.errCode = errCode;

this.message = ExceptionEnum.getMessage(errCode);

}

public TokenException(String message){

this.errCode = ExceptionEnum.TOKEN.getCode();

this.message = message;

}

public TokenException(int errCode, String message) {

this.errCode = errCode;

this.message = message;

}

public TokenException(ExceptionEnum exceptionEnum) {

this.errCode = exceptionEnum.getCode();

this.message = exceptionEnum.getMessage();

}

public TokenException(ExceptionEnum exceptionEnum, String message) {

this.errCode = exceptionEnum.getCode();

this.message = message;

}

public int getCode() {

return errCode;

}

public void setCode(int errCode) {

this.errCode = errCode;

}

public String getMessage() {

return message;

}

public void setMessage(String message) {

this.message = message;

}

}

2、在过滤器中注入HandlerExceptionResolver

@Autowired

@Qualifier("handlerExceptionResolver")

private HandlerExceptionResolver resolver;

3.使用

if(StringUtils.isEmpty(redisToken)){

resolver.resolveException(request, response, null, new TokenException(ExceptionEnum.TOKEN));

return;

}

4、全局异常捕获

@Slf4j

@ResponseBody

@ControllerAdvice

public class GlobalExceptionHandler {

@ExceptionHandler({TokenException.class})

public Map TokenException(TokenException e) {

log.error("捕获业务异常：", e);

Map map = new HashMap(2);

map.put("code",e.getCode());

map.put("msg",e.getMessage());

return map;

}

}

本文地址：https://blog.csdn.net/qq_38377774/article/details/107696206

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