Javascript 为什么带JSON的Vue for循环不起作用?
无法使代码显示在网页上。。我不明白,因为我得到了通过Vue显示的标题,但不是“myWrapper”div部分。我已经链接了HTML头部的所有文件,这样就可以正常工作了(我早就知道了)。它在控制台中没有给我任何错误,只是它确实没有进入for循环并打印出我想要的东西(通过JSON) 我的HTML代码:Javascript 为什么带JSON的Vue for循环不起作用?,javascript,for-loop,vue.js,Javascript,For Loop,Vue.js,无法使代码显示在网页上。。我不明白,因为我得到了通过Vue显示的标题,但不是“myWrapper”div部分。我已经链接了HTML头部的所有文件,这样就可以正常工作了(我早就知道了)。它在控制台中没有给我任何错误,只是它确实没有进入for循环并打印出我想要的东西(通过JSON) 我的HTML代码: <!DOCTYPE html> <html lang="en"> <head> <script type="text/j
<!DOCTYPE html>
<html lang="en">
<head>
<script type="text/javascript" src="/js/menu.js"></script>
<script src="https://vuejs.org/js/vue.js"></script>
<script src="/js/vue_script.js" defer></script>
<script src="/js/js_script.js" defer></script>
<link rel="stylesheet" type="text/css" href=/css/style.css />
<link rel="stylesheet" href="css/deli-very.css">
<title>www.KnudHouse.no</title>
<header id="rubrik" v-bind:title="arbitraryVariableName">
<h2>
Välkommna till Knudburgers!
<br/>
<br/>
</h2><img id="huvudbild" src="https://parklanenewyork.com/sites/default/files/styles/masthead/public/masthead/Shrimp%20dinner.jpg?h=8abcec71&itok=AJLbkf-q" alt="Hamburgar restaurant">
</header>
</head>
<body>
<main>
<div id ="vueMain">
<section>
<h2>Välj valfri burgare </h2>
{{ arbitraryVariableName }}
</section>
<div class="myWrapper">
<div class="box" v-for="burger in vueBurg" v-if="burger.stock > 0" type="checkbox">
{{ burger.name }}
<img v-bind:src='burger.b_image'>
<ul>
<li v-for="ingredient in burger.ingredients"> {{ingredient}}
</li>
<li v-if="burger.gluten" || "burger.lactos">
Innehåller gluten eller laktos
</li>
</ul>
</div>
</div>
</div>
</main>
</body>
</html>
我的JSON代码:
var food = [
{ "name": "Kycklingburgare",
"price": 89,
"kCal": 459,
"ingredients":["Ost","Tomat","Saltgurka","Bröd"],
"lactos": true,
"gluten": false,
"stock": 3,
"b_image": "https://www.chatelaine.com/wp-content/uploads/2017/05/Bibimbap-homemade-burgers.jpg",
},
{
"name": "Cheeseburgare",
"price": 15,
"kCal": 4432,
"ingredients":["Ost","Tomat","Saltgurka","Bröd"],
"lactos": true,
"gluten": false,
"stock": 5,
"b_image": "https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwiPqO3E_YrmAhWC1aYKHRZtDu4QjRx6BAgBEAQ&url=https%3A%2F%2Fwww.mcdonalds.com%2Fus%2Fen-us%2Fproduct%2Fcheeseburger.html&psig=AOvVaw1kqGv5NWs0-YgDIiSGkjZD&ust=1574964343676219",
},
{
"name": "KnudzSpecialBurgare",
"price": 320,
"kCal": 9,
"ingredients":["Ost","Tomat","Saltgurka","Bröd"],
"lactos": true,
"gluten": true,
"stock": 1,
"b_image": "https://www.google.com/url?sa=i&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwiS0uD0_YrmAhV65KYKHQ3TBd0QjRx6BAgBEAQ&url=https%3A%2F%2Fwww.pe.com%2F2014%2F06%2F30%2Fmovies-red-robin-offers-hercules-themed-burger%2F&psig=AOvVaw2uppETi_okeRTYZ4xR_Woy&ust=1574964430402148",
},
{
"name": "Pizzaburgare",
"price": 159,
"kCal": 2443,
"ingredients":["Ost","Tomat","Saltgurka","Bröd"],
"lactos": true,
"gluten": false,
"stock": 8,
"b_image": "https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjh2ozs-YzmAhWN-ioKHWVXB80QjRx6BAgBEAQ&url=https%3A%2F%2Fwww.aftonbladet.se%2Fnyheter%2Fa%2FG15dA6%2F7-superpizzor-som-forandrade-sverige&psig=AOvVaw1z7iAkfBdSpgs5OhuXDsb6&ust=1575032069071879",
},
{
"name":"Gammaldags burgare",
"price": 100,
"kCal": 93293,
"ingredients":["Ost","Tomat","Saltgurka","Bröd"],
"lactos": false,
"gluten": false,
"stock": 3,
"b_image": "https://www.google.com/url?sa=i&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwj_95OC-ozmAhXopIsKHT3vD8gQjRx6BAgBEAQ&url=%2Furl%3Fsa%3Di%26source%3Dimages%26cd%3D%26ved%3D%26url%3Dhttps%253A%252F%252Fwww.buzzfeed.com%252Fhannahjewell%252Fthis-20-year-old-burger-from-mcdonalds-looks-brand-new%26psig%3DAOvVaw2in7YpWMQKkRnWMlgOatsv%26ust%3D1575032095511013&psig=AOvVaw2in7YpWMQKkRnWMlgOatsv&ust=1575032095511013",
}
]
console.log(food);
您的代码有输入错误:
将vueBurg:'food'
替换为vueBurg:food
,但在实例化Vue之前设置var food
。
您可以这样更改数据属性:
data () {
return {
arbitraryVariableName: 'Klicka på valfri burgare',
vueBurg: food
}
}
vueBurg:'burgers'
被分配到字符串而不是数组
data () {
return {
arbitraryVariableName: 'Klicka på valfri burgare',
vueBurg: food
}
}