sa-token/sa-token-demo-springboot/src/main/java/com/pj/test/GlobalException.java
2020-12-16 02:10:51 +08:00

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package com.pj.test;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import cn.dev33.satoken.exception.NotLoginException;
import cn.dev33.satoken.exception.NotPermissionException;
/**
* 全局异常处理
*/
@RestControllerAdvice // 可指定包前缀,比如:(basePackages = "com.pj.admin")
public class GlobalException {
// 在每个控制器之前触发的操作
@ModelAttribute
public void get(HttpServletRequest request) throws IOException {
}
// 全局异常拦截(拦截项目中的所有异常)
@ExceptionHandler
public AjaxJson handlerException(Exception e, HttpServletRequest request, HttpServletResponse response)
throws Exception {
// 打印堆栈,以供调试
e.printStackTrace();
// 不同异常返回不同状态码
AjaxJson aj = null;
if (e instanceof NotLoginException) { // 如果是未登录异常
NotLoginException ee = (NotLoginException) e;
aj = AjaxJson.getNotLogin().setMsg(ee.getMessage());
} else if(e instanceof NotPermissionException) { // 如果是权限异常
NotPermissionException ee = (NotPermissionException) e;
aj = AjaxJson.getNotJur("无此权限:" + ee.getCode());
} else { // 普通异常, 输出500 + 异常信息
aj = AjaxJson.getError(e.getMessage());
}
// 返回给前端
return aj;
// 输出到客户端
// response.setContentType("application/json; charset=utf-8"); // http说明我要返回JSON对象
// response.getWriter().print(new ObjectMapper().writeValueAsString(aj));
}
// 全局异常拦截拦截项目中的NotLoginException异常
// @ExceptionHandler(NotLoginException.class)
// public AjaxJson handlerNotLoginException(NotLoginException nle, HttpServletRequest request, HttpServletResponse response)
// throws Exception {
//
// // 打印堆栈,以供调试
// nle.printStackTrace();
//
// // 判断场景值,定制化异常信息
// String message = "";
// if(nle.getType().equals(NotLoginException.NOT_TOKEN)) {
// message = "未提供token";
// }
// else if(nle.getType().equals(NotLoginException.INVALID_TOKEN)) {
// message = "token无效";
// }
// else if(nle.getType().equals(NotLoginException.TOKEN_TIMEOUT)) {
// message = "token已过期";
// }
// else if(nle.getType().equals(NotLoginException.BE_REPLACED)) {
// message = "token已被顶下线";
// }
// else if(nle.getType().equals(NotLoginException.KICK_OUT)) {
// message = "token已被踢下线";
// }
// else {
// message = "当前会话未登录";
// }
//
// // 返回给前端
// return AjaxJson.getError(message);
// }
}