我有一些复选框:
<input type='checkbox' value="apple" checked>
<input type='checkbox' value="orange">
<input type='checkbox' value="pear" checked>
<input type='checkbox' value="naartjie">
我想绑定到我的控制器中的一个列表,这样每当一个复选框被更改时,控制器就会维护一个包含所有选中值的列表,例如,['apple', 'pear']。
Ng-model似乎只能将一个复选框的值绑定到控制器中的一个变量。
是否有其他方法可以将这四个复选框绑定到控制器中的列表?
<input type='checkbox' ng-repeat="fruit in fruits"
ng-checked="checkedFruits.indexOf(fruit) != -1" ng-click="toggleCheck(fruit)">
.
function SomeCtrl ($scope) {
$scope.fruits = ["apple, orange, pear, naartjie"];
$scope.checkedFruits = [];
$scope.toggleCheck = function (fruit) {
if ($scope.checkedFruits.indexOf(fruit) === -1) {
$scope.checkedFruits.push(fruit);
} else {
$scope.checkedFruits.splice($scope.checkedFruits.indexOf(fruit), 1);
}
};
}
我喜欢Yoshi的回答。我增强了它,所以你可以对多个列表使用相同的函数。
<label ng-repeat="fruitName in fruits">
<input
type="checkbox"
name="selectedFruits[]"
value="{{fruitName}}"
ng-checked="selection.indexOf(fruitName) > -1"
ng-click="toggleSelection(fruitName, selection)"> {{fruitName}}
</label>
<label ng-repeat="veggieName in veggies">
<input
type="checkbox"
name="selectedVeggies[]"
value="{{veggieName}}"
ng-checked="veggieSelection.indexOf(veggieName) > -1"
ng-click="toggleSelection(veggieName, veggieSelection)"> {{veggieName}}
</label>
app.controller('SimpleArrayCtrl', ['$scope', function SimpleArrayCtrl($scope) {
// fruits
$scope.fruits = ['apple', 'orange', 'pear', 'naartjie'];
$scope.veggies = ['lettuce', 'cabbage', 'tomato']
// selected fruits
$scope.selection = ['apple', 'pear'];
$scope.veggieSelection = ['lettuce']
// toggle selection for a given fruit by name
$scope.toggleSelection = function toggleSelection(selectionName, listSelection) {
var idx = listSelection.indexOf(selectionName);
// is currently selected
if (idx > -1) {
listSelection.splice(idx, 1);
}
// is newly selected
else {
listSelection.push(selectionName);
}
};
}]);
http://plnkr.co/edit/KcbtzEyNMA8s1X7Hja8p?p=preview