我有一个带有ng-model的2个输入和两个绑定两个模型的元素,我希望当我点击一个按钮时它会切换绑定,即元素1绑定模型2,元素2绑定模型1,它工作完美,但当开始改变模型时,如果影响这两个元素!
说明我创建了一个plunker!
如何解决这个问题?
app.js:
var app = angular.module('myApp', []);
app.controller('myController', function($scope,$compile) {
$scope.model1="1";
$scope.model2="2";
$('#click').click(function () {
$('#model1').attr('ng-bind','model2');
$('#model2').attr('ng-bind','model1');
angular.element($compile( $('#model1'))($scope));
angular.element($compile( $('#model2'))($scope));
$scope.$apply();
});
});
答案 0 :(得分:1)
这是一个有效的plunker示例;
永远不要直接在控制器中操作DOM。通常你不会操纵自己。您可以使用angular指令来执行您想要的操作。请记住,如果你想使用jQuery,你可能会以错误的方式做到这一点,并且有一种方法可以从角度进行操作而不需要调用jQuery。
的Javascript
var app = angular.module('plunker', []);
app.controller('MainCtrl', function($scope,$compile) {
$scope.name = 'World';
//input1 and input2 will contain the key of the variable bind to the input.
$scope.input1 = "value1";
$scope.input2 = "value2";
$scope.model = {
value1 : 1,
value2 : 2
}
// Here is my switch function. I just switch the keys and angular will do the rest.
$scope.switch = function(){
var tmp = $scope.input1;
$scope.input1 = $scope.input2;
$scope.input2 = tmp;
}
});
HTML
<body ng-controller="MainCtrl">
<!-- Angular provide a directive called ng-click to bind function on clic for the html element -->
<button ng-click="switch()">switch</button>
<!-- Here i bind the property of an object. I'll just update the key in input1 to change which property is bind-->
<input type="text" ng-model="model[input1]" />
<input type="text" ng-model="model[input2]" />
<h5 id="model1" ng-bind="model[input1]"></h5>
<h5 id="model2" ng-bind="model[input2]"></h5>
</body>
希望它能帮到你,如果你想进一步解释的话。