4.springboot 全局异常处理

来源：互联网发布：服务器怎么开启端口编辑：程序博客网时间：2024/05/22 08:07

这里只提供一个简单的例子，其他使用方式还是需要大家自己深入研究

话不多说上代码异常类

@ControllerAdvice   //public class GlobalExceptionHandler {    private static Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);    @ExceptionHandler(value = Exception.class)    public void defautException(HttpServletRequest request, Exception e) {        logger.error("出错了 \n",e);        System.out.println("出错了啊---------------------------------");    }}

继续在刚才的controller中添加

@RequestMapping("/excep")public String exceptionTest(BindingResult bindingResult) {    if (bindingResult.hasErrors()) {        return bindingResult.getFieldError().getDefaultMessage();    }    return String.valueOf(10 / 0);}

访问http://localhost:8080/excep
后台   
2017-09-21 19:18:41.444 ERROR 5700 --- [nio-8080-exec-1] top.by.exception.GlobalExceptionHandler  : 出错了 java.lang.IllegalStateException: An Errors/BindingResult argument is expected to be declared immediately after the model attribute, the @RequestBody or the @RequestPart arguments to which they apply: public java.lang.String top.by.controller.HelloController.exceptionTest(org.springframework.validation.BindingResult)at org.springframework.web.method.annotation.ErrorsMethodArgumentResolver.resolveArgument(ErrorsMethodArgumentResolver.java:64) ~[spring-web-4.3.11.RELEASE.jar:4.3.11.RELEASE]at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:121) ~[spring-web-4.3.11.RELEASE.jar:4.3.11.RELEASE]此处删除 若干堆栈信息出错了啊---------------------------------

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