angular 全局 监听路由变化

app.run(['$rootScope', '$location', function($rootScope, $location) {
    /* 监听路由的状态变化 */
    $rootScope.$on('$routeChangeStart', function(evt, next, current){
        console.log('route begin change');
    });
    $rootScope.$on('$routeChangeSuccess', function(evt, current, previous) {
        console.log('route have already changed ：'+$location.path());
    });
}]);