公司职位页面点击技术和运营按钮设置了 $scope.showPositionList(0); 但是

来源：5-3 职位详情页controller完善（1）

Levin3860014

2017-05-31

link: function ($scope) {
$scope.showPositionList = function (idx) {
$scope.positionList = $scope.com.positionClass[idx].positionList;
$scope.isActive = idx;
}
$scope.showPositionList(0);
}
}

设置了$scope.showPositionList(0);出现以下错误

angular.min.js:123 TypeError: Cannot read property 'positionClass' of undefined at m.$scope.showPositionList (index.js:91) at Object.link (index.js:94) at angular.min.js:17 at angular.min.js:84 at ra (angular.min.js:85) at n (angular.min.js:70) at angular.min.js:80 at angular.min.js:134 at m.$digest (angular.min.js:145) at m.$apply (angular.min.js:149) "<div class="position-class ng-isolate-scope" app-position-class="" com="company">"

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