Javascript $http和$scope变量未显示在模板中
变量Javascript $http和$scope变量未显示在模板中,javascript,jquery,angularjs,Javascript,Jquery,Angularjs,变量$scope.discussionId未显示在我的模板中。所有其他值都将显示 我做错了什么 编辑(完整代码) 控制器 soundshareApp.controller('CommentController', function($scope, $http) { $scope.data = { comments : [] } $scope.state = {} $scope.project = { id : [] } $scope.discussionId;
$scope.discussionId
未显示在我的模板中。所有其他值都将显示
我做错了什么
编辑(完整代码)
控制器
soundshareApp.controller('CommentController', function($scope, $http) {
$scope.data = { comments : [] }
$scope.state = {}
$scope.project = { id : [] }
$scope.discussionId;
$scope.test = "Hello World !";
$scope.loadComments = function(userName, urlName){
$http({
url: '/comment/by_project_id',
method: "GET",
params:
{
username: userName,
urlname: urlName
}
}).success(function(data) {
$scope.discussionId = data[0].discussionId;
console.log("discussionId " + $scope.discussionId);//display the value !!
$scope.data.comments = data;
});;
}
}
模板
<div ng-controller="CommentController" >
<div class='message-content' ng-click="state.show = !state.show">
<img class='message-vignette' ng-src='{{commentData.avatarUrl}}'/>
<div class='message-username'>{{commentData.username}}</div>
<div class='project-message'> {{commentData.comment}}</div>
<div class='message-date'>{{commentData.dateCreated | date:'MM/dd/yyyy @ h:mma' }}</div>
</div>
<div class="answer-message-content show-hide" ng-show="state.show" >
<img class='message-vignette answer-message-vignette' ng-src='{{commentData.currentUserAvatarUrl}}'>
<div class="add-comment-content">
<form ng-submit="addComment(commentData)" id="commentForm-{{commentData.projectId}}">
<input id="input-comment-{{commentData.projectId}}" type="text" maxlength="255" name="comment" placeholder="Write a comment..." ng-model="commentData.msg">
<input type="hidden" name="discussionId" value="{{commentData.discussionId}}" >
<input type="hidden" name="projectId" value="{{commentData.projectId}}" >
</form>
</div>
</div>
test : {{test}}// showing "Hello World!"
discussionId: {{discussionId}}//not showing !!
<div ng-repeat="answer in answers" class="answer-message-content">
<div class='message-content' ng-click="state.show = !state.show">
<img class='message-vignette' ng-src='{{answer.avatarUrl}}'/>
<div class='message-username'>{{answer.username}}</div>
<div class='project-message'> {{answer.comment}}</div>
<div class='message-date'>{{answer.dateCreated | date:'MM/dd/yyyy @ h:mma' }}</div>
</div>
</div>
</div>
谢谢我没有看到
$scope.loadComments
被调用过<代码>$scope.discussionId代码>未定义。如果您初始化它,我打赌它会显示该值,类似于:
$scope.discussionId = 10;
你调用$scope.loadComments了吗?你能显示你的整个模板代码吗?是的!除了
discussionId
什么是数据[0],所有数据都在显示。discussionId返回为?JSFIDLE将帮助我们调试。数据
是一个JSON对象。正如我所说,console.log($scope.discussionId)
正在显示该值。小提琴会很难,因为它是一个Ajax请求。loadComments在另一个页面上调用,然后我使用指令来显示我的模板,正如我所说的console.log($scope.discussionId)
显示值。它位于success
功能中。所有其他值都正确显示。您再次丢失了该点。。。请考虑一下“您的控制器正在初始化$scope.discussionId未定义”。我已将其删除,然后我该怎么办?是的“我的控制器正在初始化$scope.discussionId未定义”,然后我在loadComments success
函数$scope.discussionId=data[0].discussionId
同时console.log($scope.discussionId)
正在控制台中显示正确的值。
soundshareApp.directive('sdcomment', function(){
return {
restrict:'A',
scope: {
commentData: '=param'
},
templateUrl: '/js/views/comment/templates/commentList.html',
link : function(scope, elem, attrs) {
}
}
});
$scope.discussionId = 10;