ExceInterceptor.java
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package com.rnt.commo.interceptor;
import javax.servlet.http.HttpServletRequest;
import com.jfinal.aop.Interceptor;
import com.jfinal.aop.Invocation;
import com.jfinal.core.Controller;
import com.rnt.vo.BizResult;
/**
* Copyright: Copyright (c) 2017 zteits
*
* @ClassName: com.rnt.commo.interceptor
* @Description: 统一异常处理
* @version: v1.0.0
* @author: atao
* @date: 2017/6/7 下午4:21
* Modification History:
* Date Author Version Description
* ---------------------------------------------------------*
* 2017/6/7 atao v1.0.0 创建
*/
public class ExceInterceptor implements Interceptor {
@Override
public void intercept(Invocation inv) {
Controller controller = inv.getController();
HttpServletRequest request = controller.getRequest();
Boolean isAjax = false;
try {
inv.invoke();
} catch (Exception e) {
e.printStackTrace();
String header = request.getHeader("X-Requested-With");
//判断是否是ajax请求
isAjax = "XMLHttpRequest".equalsIgnoreCase(header);
if (isAjax) {
// ajax 请求，返回json数据
BizResult<String> bizResult = new BizResult<String>();
bizResult.setCode("9999");
bizResult.setMsg("系统异常，请稍后重试!");
controller.renderJson(bizResult);
} else {
//非ajax 请求，请求的是页面，跳转到错误页面。
controller.render("syserror.html");
}
}
}
}