第一次接触 Angular :)
我有一个页面，显示 JSON 对象中的项目列表。该 Json 对象中有一个日期数组
$obj = [
{
id: '1',
GoalName: 'Smoke Less',
StartDate: '9/1/2015',
EndDate: '9/30/2015',
GoalType: "positive",
Category: "Health",
Weight: "3",
TimesPerWeek: 4,
Dates: {
"09/11/2015": 0,
"09/10/2015": 1,
"09/08/2015": 1
}
}
我用 ng-repeat 来展示数组中的项目，但我很难理解如何控制复选框。当我呈现项目时，我在屏幕上设置一个日期，我想检查数组以查看该日期是否存在，如果存在，则检查复选框。此外，如果用户随后单击该复选框，则会更新该项目。我隐约明白我需要制作复选框的模型，但不完全理解它是如何工作的。
app.controller('TrackGoals', function ($scope) {
$scope.today = Date.today();
});
<ul class="list" id="thehabits" ng-repeat="goal in goals">
<li class="expanded-cell">
<div class="pull-right form-group cell-content">
<label>
<input type="checkbox" class="option-input checkbox" ng-model="ids[goal.dates.id].value">
</label>
</div>
<div class="cell-content">
<span id="habittext" class="title">{{ goal.GoalName }} </span>
</div>
</li>
</ul>
最佳答案
试试这个:
var app = angular.module('myApp', []);
app.controller('TrackGoals', function($scope) {
$scope.goals = [{
id: '1',
GoalName: 'Smoke Less',
StartDate: '9/1/2015',
EndDate: '9/30/2015',
GoalType: "positive",
Category: "Health",
Weight: "3",
TimesPerWeek: 4,
Dates: {
"09/11/2015": 0,
"09/10/2015": 1,
"09/08/2015": 1
}
}, {
id: '2',
GoalName: 'Smoke Less',
StartDate: '9/1/2015',
EndDate: '9/30/2015',
GoalType: "positive",
Category: "Health",
Weight: "3",
TimesPerWeek: 4,
Dates: {}
}];
$scope.setCheckboxVal = function(val) {
var arr = [];
for (var i in val) {
if (val.hasOwnProperty(i)) {
arr.push({
date: i,
value: val[i]
});
}
}
return !!arr.length;
};
$scope.showData = function() {
console.log(JSON.stringify($scope.goals));
};
});<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.10/angular.min.js"></script>
<!DOCTYPE html>
<html ng-app='myApp'>
<head>
<meta charset="UTF-8">
<title>Test</title>
<script type="text/javascript" src="jquery.min.js"></script>
<script type="text/javascript" src="angular.min.js"></script>
</head>
<body ng-controller="TrackGoals">
<ul class="list" id="thehabits" ng-repeat="goal in goals">
<li class="expanded-cell">
<div class="pull-right form-group cell-content">
<label>
<input type="checkbox" class="option-input checkbox" ng-model="goal.checkboxVal" ng-init="goal.checkboxVal=setCheckboxVal(goal.Dates)">
</label>
</div>
<div class="cell-content">
<span id="habittext" class="title">{{ goal.GoalName }} </span>
</div>
</li>
</ul>
<button type="button" ng-click="showData()">Show data</button>
</body>
</html>关于javascript - AngularJS ng-repeat 了解如何查找复选框值，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/32492259/