本文为大家分享了Spring Boot全局异常处理，供大家参考，具体内容如下
1、后台处理异常
a、引入thymeleaf依赖
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<!-- thymeleaf模板插件 --><dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId></dependency> |
b、在application.properties文件中设置属性
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#关闭thymeleaf模板的缓存spring.thymeleaf.cache=false |
c、编写后台处理Handler
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import org.springframework.web.bind.annotation.ControllerAdvice;import org.springframework.web.bind.annotation.ExceptionHandler;@ControllerAdvicepublic class GlobalExceptionHandler { //设置此handler处理所有异常 @ExceptionHandler(value=Exception.class) public void defaultErrorHandler(){ System.out.println("-------------default error"); }} |
d、后台异常打印
-------------default error
2017-06-16 14:54:05.314 WARN 6892 --- [nio-8080-exec-1] .m.m.a.ExceptionHandlerExceptionResolver : Resolved exception caused by Handler execution: org.springframework.dao.IncorrectResultSizeDataAccessException: result returns more than one elements; nested exception is javax.persistence.NonUniqueResultException: result returns more than one elements
2、页面处理异常
a、编写html模板页面
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<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org" xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3"><head><meta charset="UTF-8" /><title>Insert title here</title></head><body> <h1 th:inlines="text">异常出现啦</h1> ${messages}</body></html> |
b、修改Handler
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import org.springframework.web.bind.annotation.ControllerAdvice;import org.springframework.web.bind.annotation.ExceptionHandler;import org.springframework.web.bind.annotation.ResponseBody;@ControllerAdvicepublic class GlobalExceptionHandler { @ExceptionHandler(value=Exception.class) @ResponseBody public String defaultErrorHandler(){ System.out.println("-------------default error"); return "系统错误，请联系管理员"; }} |
c、页面访问结果
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
