SpringBoot全局@RestControllerAdvice异常捕获处理

全局异常捕获可以使用@RestControllerAdvice注解定义捕获,如下为shiro及一些异常的捕获示例;

import com.travel.commons.vo.ServerResponseVO;
import com.travel.shiro.UnauthorizedException;
import org.apache.log4j.Logger;
import org.apache.shiro.ShiroException;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;

@RestControllerAdvice
public class ExceptionController {

    private static Logger logger = Logger.getLogger(ExceptionController.class);

    // 捕捉shiro的异常
    @ResponseStatus(HttpStatus.UNAUTHORIZED)
    @ExceptionHandler(ShiroException.class)
    public ServerResponseVO handle401(ShiroException e) {
        logger.error("ShiroException捕获异常" + e.getMessage());
        return new ServerResponseVO(401, e.getMessage());
    }

    // 捕捉UnauthorizedException
    @ResponseStatus(HttpStatus.UNAUTHORIZED)
    @ExceptionHandler(UnauthorizedException.class)
    public ServerResponseVO handle401() {
        logger.error("捕获异常Unauthorized");
        return new ServerResponseVO(401, "Unauthorized");
    }

   //捕捉其他所有异常
    @ExceptionHandler(Exception.class)
    @ResponseStatus(HttpStatus.BAD_REQUEST)
    public ServerResponseVO globalException(HttpServletRequest request, Throwable ex) {
        logger.error("捕获到异常 Exception:",ex);
        return new ServerResponseVO(getStatus(request).value(), ex.getMessage());
    }

    private HttpStatus getStatus(HttpServletRequest request) {
        Integer statusCode = (Integer) request.getAttribute("javax.servlet.error.status_code");
        if (statusCode == null) {
            return HttpStatus.INTERNAL_SERVER_ERROR;
        }
        return HttpStatus.valueOf(statusCode);
    }
}