我有两个指令,一个是我的表单,另一个是字段
我需要为这两个指令使用动态创建html内容的模式
除了我无法获得输入字段的ngModelController之外,一切都很好
所以我不能得到这些字段的$dirty,$valid属性。例如,在提交时,我想获得名称为"field1"的输入的ngModelController,但无法获得。
form.field1未定义
在FormController"form1"中,没有字段,有人可以帮助吗
非常感谢
fiddle中的代码是:https://jsfiddle.net/0td5hLur/3/
主要代码也列在下面:
angular.module('myApp', [])
.controller('MyController', ['$scope', function ($scope) {
$scope.config = {
name: 'form1',
fields: [
{type: 'text', name: 'field1', model: 'obj.field1'},
{type: 'text', name: 'field2', model: 'obj.field2'}
]
};
}])
.directive('myForm', ['$compile', function($compile) {
return {
restrict: 'E',
replace: true,
scope: {
config: '='
},
compile: function(element, attrs, transclude) {
return {
pre: function (scope, iElement, iAttrs, controller) {
console.log('-------myForm');
var html = '<form name="{{config.name}}">' +
' <my-field ng-repeat="item in config.fields" config="item"></my-field>' +
' <button ng-click="submit()">submit</button>' +
'</form>';
iElement.append($compile(html)(scope));
scope.obj = {
field1: '1',
field2: '2'
};
scope.submit = function () {
var form = scope[scope.config.name];
console.log(form);
alert(form.field1);
alert(form.field1.$dirty); // error here
}
}
};
}
}
}])
.directive('myField', ['$compile', function($compile) {
return {
restrict: 'E',
replace: true,
scope: {
config: '='
},
compile: function(tElement, tAttrs, transclude) {
return {
pre: function(scope, iElement, iAttrs, controller) {
var config = scope.config;
var html = '<input type="' + config.type + '" ng-model="' + config.model + '" name="' + config.name + '" />';
iElement.after($compile(html)(scope.$parent));
iElement.remove();
}
}
}
}
}])
;
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="myApp" ng-controller="MyController">
<my-form config="config"></my-form>
</div>
我自己尝试过,只修改了几行,但这真的不是一项容易的工作
最终工作代码如下:
我错过了以下几行:
iElement.after(html)
var element=iElement.next()
iElement.remove()
$compile(元素)(scope.$parent)
angular.module('myApp', [])
.controller('MyController', ['$scope', function ($scope) {
$scope.config = {
name: 'form1',
fields: [
{type: 'text', name: 'field1', model: 'obj.field1'},
{type: 'text', name: 'field2', model: 'obj.field2'}
]
};
}])
.directive('myForm', ['$compile', function($compile) {
return {
restrict: 'E',
replace: true,
scope: {
config: '='
},
link: function (scope, iElement, iAttrs, controller) {
console.log('-------myForm');
var html = '<form name="{{config.name}}">' +
' <my-field ng-repeat="item in config.fields" config="item"></my-field>' +
' <button ng-click="submit()">submit</button>' +
'</form>';
iElement.append($compile(html)(scope));
scope.obj = {
field1: '1',
field2: '2'
};
scope.submit = function () {
var form = scope[scope.config.name];
console.log(form);
alert(form.field1);
alert(form.field1.$dirty); // error here
}
}
}
}])
.directive('myField', ['$compile', function($compile) {
return {
restrict: 'E',
replace: true,
scope: {
config: '='
},
link: function(scope, iElement, iAttrs, controller) {
var config = scope.config;
var html = '<input type="' + config.type + '" ng-model="' + config.model + '" name="' + config.name + '" />';
iElement.after(html);
var element = iElement.next();
iElement.remove();
$compile(element)(scope.$parent);
}
}
}])
;
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="myApp" ng-controller="MyController">
<my-form config="config"></my-form>
</div>