Javascript 无法将值从脚本绑定到角度值
对于Angular来说,这是一个相当新的概念,并且正在尝试将从脚本计算出的值绑定到Angular模型以进行显示,出于某种原因,我无法让它显示出来Javascript 无法将值从脚本绑定到角度值,javascript,angularjs,Javascript,Angularjs,对于Angular来说,这是一个相当新的概念,并且正在尝试将从脚本计算出的值绑定到Angular模型以进行显示,出于某种原因,我无法让它显示出来 <!DOCTYPE html> <html> <head> <base href="." /> <title>modern Angular 1 playground</title> <link rel="stylesheet" hre
<!DOCTYPE html>
<html>
<head>
<base href="." />
<title>modern Angular 1 playground</title>
<link rel="stylesheet" href="style.css" />
<script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import('app')
.catch(console.error.bind(console));
</script>
</head>
<body>
<my-app>
loading...
</my-app>
<script>
$scope.localDate = function() {
var currentTime = new Date();
var year = currentTime.getFullYear();
var month = currentTime.getMonth();
var day = currentTime.getDate();
var date = new Date(Date.UTC(year, month, day));
var localDate = date.toLocaleDateString();
return $scope.localDate;
}
console.log(localDate);
</script>
<p ng-model="localDate.localDate">Date = {{localDate}}</p>
</body>
</html>
plnkr链路
您将无法访问外部的$scope,因为它是Angular应用程序的根 您可以从全局函数中删除对$scope的引用,然后在AppComponent中调用该函数:
localDate = function() {
var currentTime = new Date();
var year = currentTime.getFullYear();
var month = currentTime.getMonth();
var day = currentTime.getDate();
var date = new Date(Date.UTC(year, month, day));
var localDate = date.toLocaleDateString();
return localDate;
}
及
例如:
export const AppComponent = {
template: `
<div>
<h2>Hello {{ $ctrl.name }}</h2>
<p>Date = {{ $ctrl.localDate }}</p>
</div>
`,
controller: class AppComponent {
$onInit() {
this.name = 'modern Angular 1'
this.localDate = localDate();
}
}
};