我有一个HTML文件:
<!DOCTYPE HTML>
<html lang="en-US" ng-app="Todo">
<head>
<meta charset="UTF-8">
<title>DemoAPI</title>
<meta name="viewport">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.js"></script>
<link rel="stylesheet" href="./Client/css/styling.css" />
<script type="text/javascript" src="core.js"></script>
</head>
错误说:
Uncaught SyntaxError: Unexpected token < core.js: 1
它显示了在错误<!doctype html>的app.html.
core.js 看起来像这样:
angular.module('Todo', [])
.controller('mainController', function($scope, $http)
{
$scope.formData = {};
// get all and show them
$http.get('/musicians')
.success(function(data) {
$scope.todos = data;
console.log(data);
})
.error(function(data) {
console.log('Error: ' + data);
});
//get with an id
$scope.getOneTodo = …我有一小段使用setInterval方法的代码:
function MyController($scope) {
$scope.clock = new Date();
var updateClock = function() {
$scope.clock = new Date();
};
setInterval(updateClock, 1000);
};
和html如下:
<!doctype html>
<html ng-app>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.0-rc.2/angular.js"></script>
</head>
<body>
<div ng-controller="MyController">
<h1>Hello {{ clock }}!</h1>
</div>
<script type="text/javascript" src="script.js"></script>
</body>
</html>
但是,setInterval在MyController不更新时间.哪里可能有问题？
它按照这本书的方式工作:
function MyController($scope) {
$scope.clock = new Date();
var updateClock = function() {
$scope.clock = new Date();
};
setInterval(function() {
$scope.$apply(updateClock);
}, 1000);
updateClock();
};
如果没有使用@ scope,为什么会出现问题？$ apply？
#include<stdio.h>
int main()
{
int i,x=10;
for(i=0;i<7;i++);
{
x++;
}
printf("%d",x);
}
产量: 11
无论for循环迭代多少次,x的值都保持为11.为什么呢？