SpringBoot自定义404

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最新推荐文章于 2024-06-24 16:11:53 发布

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分类专栏：基础java 文章标签： spring web servlet spring boot exception

本文链接：https://blog.youkuaiyun.com/aaaaaaddddsssss/article/details/109577843

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当SpringBoot应用中出现错误时，系统将自动重定向至templates/error/error.html页面，实现自定义的404错误处理。

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import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;

/**
 * Created by limi on 2017/10/13.
 */
@ControllerAdvice
public class ControllerExceptionHandler {

    private final Logger logger = LoggerFactory.getLogger(this.getClass());


    @ExceptionHandler(Exception.class)
    public ModelAndView exceptionHander(HttpServletRequest request, Exception e) throws Exception {
        logger.error("Requst URL : {}，Exception : {}", request.getRequestURL(),e);

        if (AnnotationUtils.findAnnotation(e.getClass(), ResponseStatus.class) != null) {
            throw e;
        }

        ModelAndView mv = new ModelAndView();
        mv.addObject("url",request.getRequestURL());
        mv.addObject("exception", e);
        mv.setViewName("error/error");
        return mv;
    }
}