angular.js - angularjs $scope value undefined

Question

  <form class="ui form" id="indexForm" name="indexForm" onsubmit="return false;">
    <span id="QuacorGradingValue" ng-model="fen" name="fen">6</span>
</form>

在controller里面为啥获取不到

    var updateData = {};
    alert("$scope.rates==="+$scope.fen);//undefined

//$scope是有值的

Answer 1

雷雷

Answer 2

雷雷

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控制器：

雷雷

http://stackoverflow.com/questions/19981627/setting-scope-property-with-ng-init-doesnt-work

Answer 3

假设你的controller是这样的：

module.controller('DemoController', ['$scope', function($scope) {
    $scope.fen = '';   //为其指定一个初始值，这样在html里引用时才不会因为parent scope里没有找到`fen`变量而重新创建一个
}]);