Javascript 如何使用角度键进行秒倒计时?
我正在研究如何使用angular js进行60秒倒计时 我想在页面上显示倒计时!当倒计时结束时,控制器应该重新加载以再次执行代码!并获取更新json对象 我的控制器看起来像:Javascript 如何使用角度键进行秒倒计时?,javascript,angularjs,Javascript,Angularjs,我正在研究如何使用angular js进行60秒倒计时 我想在页面上显示倒计时!当倒计时结束时,控制器应该重新加载以再次执行代码!并获取更新json对象 我的控制器看起来像: .controller('todaymatches', function($rootScope,$scope, $http) { $http.get("http://www.domaine.com/updatedjson/") .success(function (response) {
.controller('todaymatches', function($rootScope,$scope, $http) {
$http.get("http://www.domaine.com/updatedjson/")
.success(function (response) {
$scope.matches = response;
});
})
我被创造了一个密码!我不确定这是否正常工作!不管怎么说,它在我的应用程序上不起作用
$scope.countdown = function() {
stopped = $timeout(function() {
console.log($scope.counter);
$scope.counter--;
$scope.countdown();
}, 1000);
};
如果要使用
$timeout
,必须将其注入。但是为什么不在一定的时间间隔内调用update方法呢
.controller('todaymatches', function($rootScope,$scope, $http, $interval) {
var update = function() {
$http.get("http://www.domaine.com/updatedjson/")
.success(function (response) {
$scope.matches = response;
});
};
var initialize = function() {
$interval(function() {
update();
}, 60 * 1000)
};
initialize();
})
我试着用这个倒计时,它似乎起作用了
app.controller('CountDownController', function($scope, $timeout) {
$scope.counter = 60;
$scope.countdown = function() {
if ($scope.counter === 0) {
// do your reload and execute here
//Just reset the counter if you just want it to count again
$scope.counter = 60;
return;
} else {
$timeout(function() {
console.log($scope.counter);
$scope.counter--;
$scope.countdown();
}, 1000);
}
};
$scope.countdown();
});
您可以在上面代码的if条件中绑定要执行的各种操作,如注释所示。我只是在倒计时到0后重置计数器。下面是一个简单的倒计时示例: HTML
<!doctype html>
<html ng-app>
<head>
<script src="http://code.angularjs.org/angular-1.0.0rc11.min.js"></script>
<script src="http://documentcloud.github.com/underscore/underscore-min.js"></script>
</head>
<body>
<div ng-controller="CountdownController">
{{counter}}
</div>
</body>
</html>
严格使用;
var ngApp=angular.module('myApp',['Test']);
var c1=角度模块('测试',[]);
c1.控制器('Ctrl1',函数($scope,$timeout){
$scope.coutDown=函数(){
$scope.onTimeout=函数(){
log(“value”,$scope.value);
$scope.value=$scope.value-1;
返回$scope.coutDown($scope.value);
};
变量延迟=$timeout($scope.onTimeout,1000);
如果($scope.value<1){
$timeout.cancel(延迟);
返回true;
}
返回false;
};
$scope.value=5;
$scope.coutDown();
});
{{value}}
在这里看一下Angular的指令文档:看看“创建一个操纵DOM的指令”。这非常有效!你知道当60秒结束时我如何重新加载控制器吗???@YasserB.,在我的回答中,当计数器变为0时,在else语句中重置倒计时。你在那里添加逻辑来重新加载倒计时。
function CountdownController($scope,$timeout) {
$scope.counter = 60;
$scope.onTimeout = function(){
if ($scope.counter > 0) {
$scope.counter--;
mytimeout = $timeout($scope.onTimeout,1000);
} else {
$scope.counter = 60;
}
}
var mytimeout = $timeout($scope.onTimeout,1000);
}
'use strict';
var ngApp = angular.module('myApp', ['Test']);
var c1 = angular.module('Test', []);
c1.controller('Ctrl1', function ($scope, $timeout) {
$scope.coutDown = function () {
$scope.onTimeout = function () {
console.log("value", $scope.value);
$scope.value = $scope.value - 1;
return $scope.coutDown($scope.value);
};
var delay = $timeout($scope.onTimeout, 1000);
if ($scope.value < 1) {
$timeout.cancel(delay);
return true;
}
return false;
};
$scope.value = 5;
$scope.coutDown();
});
<div ng-app="myApp">
<div ng-controller="Ctrl1">
<h1>{{value}}</h1>
</div>
</div>