/*** 是否是Ajax请求* @param request* @return*/public static boolean isAjax(ServletRequest request){String header = ((HttpServletRequest) request).getHeader("X-Requested-With");if("XMLHttpRequest".equalsIgnoreCase(header)){LoggerUtils.debug(CLAZZ, "当前请求为Ajax请求");return Boolean.TRUE;}LoggerUtils.debug(CLAZZ, "当前请求非Ajax请求");return Boolean.FALSE;}

    package com.sojson.core.shiro.filter;import java.util.HashMap;import java.util.Map;import javax.servlet.ServletRequest;import javax.servlet.ServletResponse;import org.apache.shiro.web.filter.AccessControlFilter;import com.sojson.common.model.UUser;import com.sojson.common.utils.LoggerUtils;import com.sojson.core.shiro.CustomShiroSessionDAO;import com.sojson.core.shiro.token.manager.TokenManager;/*** * 开发公司：SOJSON在线工具* <p>* 版权所有：© www.sojson.com* <p>* 博客地址：http://www.sojson.com/blog/* <p>* <p>* * 判断登录* * <p>* * 区分　责任人　日期　　　　说明<br/>* 创建　周柏成　2016年6月2日 　<br/>* * @author zhou-baicheng* @email so@sojson.com* @version 1.0,2016年6月2日 <br/>* */public class LoginFilter extends AccessControlFilter {final static Class<LoginFilter> CLASS = LoginFilter.class;// session获取CustomShiroSessionDAO customShiroSessionDAO;@Overrideprotected boolean isAccessAllowed(ServletRequest request,ServletResponse response, Object mappedValue) throws Exception {UUser token = TokenManager.getToken();if (null != token || isLoginRequest(request, response)) {// &&// isEnabled()return Boolean.TRUE;}if (ShiroFilterUtils.isAjax(request)) {// ajax请求Map<String, String> resultMap = new HashMap<String, String>();LoggerUtils.debug(getClass(), "当前用户没有登录，并且是Ajax请求！");resultMap.put("login_status", "300");resultMap.put("message","\u5F53\u524D\u7528\u6237\u6CA1\u6709\u767B\u5F55\uFF01");// 当前用户没有登录！ShiroFilterUtils.out(response, resultMap);}return Boolean.FALSE;}@Overrideprotected boolean onAccessDenied(ServletRequest request,ServletResponse response) throws Exception {// 保存Request和Response 到登录后的链接saveRequestAndRedirectToLogin(request, response);return Boolean.FALSE;}public void setCustomShiroSessionDAO(CustomShiroSessionDAO customShiroSessionDAO) {this.customShiroSessionDAO = customShiroSessionDAO;}}

    /*** 判断是否登录，没登录刷新当前页，促使Shiro拦截后跳转登录页* @param result	ajax请求返回的值* @returns {如果没登录，刷新当前页}*/function isLogin(result){if(result && result.login_status && result.login_status == 300){window.location.reload(true);//刷新当前页}return !0;//返回true}

    //改变状态function changeSessionStatus(sessionIds,status,self){status = !parseInt(status);//loadingvar load = layer.load();$.post("${basePath}/member/changeSessionStatus.shtml",{status:status,sessionIds:sessionIds},function(result){layer.close(load);if(isLogin(result)){//判断是否登录if(result && result.status == 200){return self.text(result.sessionStatusText),self.attr('status',result.sessionStatus),self.parent().prev().text(result.sessionStatusTextTd);layer.msg('操作成功'),!1;}else{return layer.msg(result.message,function(){}),!1;}	}	},'json');}