在实现 angularjs 指令时,我在指令之间共享 Controller 时遇到了一些问题
我无法从下面的 Controller 访问 enterUser 指令
app.directive('entires', [function () {
return {
restrict: 'E',
replace: true,
scope : {
user : '='
},
require : '^?enterUser',
template:"<div><b>Time : </b>{{user.name}} <b>Task :</b> {{user.age}} <a ng-click='delete(user);'><u>Delete Entry</u></a> <br></div>",
link: function (scope, iElement, iAttrs, enterUserctrl) {
console.log(ctrl)
//here i got enterUserctrl undefined..
// i want like to call delete function from here
enterUserctrl.delete(user);
}
};
}])
这里是当前工作 fiddle
最佳答案
我稍微修改了你的代码。两个主要错误:enter-user
应该包装 entires
以便 Angular 可以为 require
找到它。第二个是你需要在你的案例中使用 transclude
。
看一下代码
app.directive('enterUser', function () {
return {
restrict: "A",
transclude: true,
templateUrl: 'enter-user.html',
controller: function ($scope) {
$scope.addToList = function (name, age) {
if (typeof $scope.userName != 'undefined' && typeof $scope.userAge != 'undefined') {
$scope.nameList.push({
name: $scope.userName,
age: $scope.userAge
})
$scope.userName = '';
$scope.userAge = '';
}
};
this.delete = function(user) {
if (typeof user != 'undefined') {
$scope.nameList.pop();
}
};
}
};
});
输入用户.html
<div>
<b>Name: </b>
<input ng-model='userName' type='text' />
<br>
<b>Age : </b>
<input ng-model='userAge' type='text' />
<br>
<span class='right'><button ng-click='addToList(userName, userAge);'>Add to List</button></span>
<!-- insert trascluded content here -->
<div ng-transclude></div>
</div>
完整指令
app.directive('entires', function () {
return {
restrict: 'E',
replace: true,
scope: {
user: '='
},
require: '^enterUser',
templateUrl: "entires.html",
link: function (scope, iElement, iAttrs, enterUserCtrl) {
scope.delete = function(user) {
enterUserCtrl.delete(user)
}
}
};
});
index.html
<div enter-user>
<b><u>Here is my entries listed </u></b>
<div ng-repeat="user in nameList">
<entires user="user"></entires>
<br>
</div>
</div>
演示 Plunker
您的删除功能也无法正常工作。但这是小事。
关于javascript - Angularjs 在指令之间共享 Controller ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/20654952/