从jQuery中动态创建引导下拉菜单是行不通的
dynamically creating bootstrap dropdown from jQuery AJAX doesnt work
我是jQuery的新手，在询问之前，我已经查看了这里的所有问题。我想填充导航栏下拉使用数据从json文件，我能够完美地解析数据，但使用引导下拉，我从jQuery动态添加类，但他们根本不会工作，请帮助。
这是我的index.html
<html lang="en" xmlns="http://www.w3.org/1999/html">
<head>
<title>JavaScipt AJAX</title>
<link rel="stylesheet" type="text/css" href="bootstrap.min.css"/>
<link rel="stylesheet" type="text/css" href="main.css"/>
</head>
<body>
<div class="navbar secondary-navbar" id="department-nav">
<div class="navbar-inner" id="menu">
</div>
</div>
<script src="jquery.min.js"></script>
<script src="script_menu.js"></script>
<script src="bootstrap.min.js"></script>
</body>
</html>
sript_menu.js
$( document ).ready(function() {
$.getJSON( "data.json", function(data) {
console.log( data );
var menu_item = '<ul class="nav nav-departments nav-featured">';
var output = '<ul class="nav-list">';
$.each(data, function(key, val) {
if(val.warehouse_id=="1"){
if(val.name=="Produce" || val.name=="Bakery" || val.name=="Dairy & Eggs" || val.name=="Beverages" ) {
menu_item += '<li class="dropdown">';
menu_item += '<a class="navbar-link dropdown-toggle">' + val.name + '</a>';
output+= '<li>';
output+= '<h2>' + val.name + '</h2>';
menu_item += '<ul class="dropdown-menu">';
for(var i=0; i<val.aisles.length; i++) {
output+= '<p>' + val.aisles[i].name + '</p>';
menu_item += '<li>' + val.aisles[i].name + '</li>';
}
menu_item += '</ul>';
menu_item += '</li>';
output+= '</li>';
}
}
});
output+= '</ul>';
menu_item+= '</ul>';
$('#menu').html(menu_item);
$('#update').html(output);
});
});
这是我的data.json
[
{
"display_name": "Beer, Wine & Spirits",
"id": 148,
"name": "Beer, Wine & Spirits",
"rank_offset": 991,
"sort_order": 9,
"visible": true,
"warehouse_id": 2,
"aisles": [{
"department_id": 148,
"id": 979,
"name": "Spirits",
"rank_offset": 1,
"visible": true
}, {
"department_id": 148,
"id": 976,
"name": "Beer",
"rank_offset": 2,
"visible": true
}]
}, {
"display_name": "Prepared Food",
"id": 59,
"name": "Prepared Food",
"rank_offset": 990,
"sort_order": 3,
"visible": true,
"warehouse_id": 2,
"aisles": [{
"department_id": 59,
"id": 776,
"name": "Tofu & Soy",
"rank_offset": 45,
"visible": true
}, {
"department_id": 59,
"id": 465,
"name": "Salads, Sushi & Wraps",
"rank_offset": 10,
"visible": true
}, {
"department_id": 59,
"id": 466,
"name": "Sides & Soups",
"rank_offset": 40,
"visible": true
}, {
"department_id": 59,
"id": 468,
"name": "Whole Meals",
"rank_offset": 20,
"visible": true
}, {
"department_id": 59,
"id": 764,
"name": "Fresh Pasta",
"rank_offset": 35,
"visible": true
}, {
"department_id": 59,
"id": 770,
"name": "Desserts",
"rank_offset": 50,
"visible": true
}, {
"department_id": 59,
"id": 771,
"name": "Fresh Pizza",
"rank_offset": 30,
"visible": true
}]
}, {
"display_name": "Grocery",
"id": 57,
"name": "Grocery",
"rank_offset": 997,
"sort_order": 5,
"visible": true,
"warehouse_id": 2,
"aisles": [{
"department_id": 57,
"id": 443,
"name": "Spices",
"rank_offset": 100,
"visible": true
}, {
"department_id": 57,
"id": 444,
"name": "Baking",
"rank_offset": 100,
"visible": true
}, {
"department_id": 57,
"id": 445,
"name": "Condiments",
"rank_offset": 100,
"visible": true
}, {
"department_id": 57,
"id": 446,
"name": "Peanut Butter & Jelly",
"rank_offset": 100,
"visible": true
}, {
"department_id": 57,
"id": 447,
"name": "Oil, Vinegar & Tuna",
"rank_offset": 100,
"visible": true
}, {
"department_id": 57,
"id": 448,
"name": "Oil & Olives",
"rank_offset": 100,
"visible": true
}, {
"department_id": 57,
"id": 449,
"name": "Canned & Jarred Vegetables",
"rank_offset": 100,
"visible": true
}, {
"department_id": 57,
"id": 450,
"name": "Tomato Sauce",
"rank_offset": 100,
"visible": true
}, {
"department_id": 57,
"id": 451,
"name": "Pasta",
"rank_offset": 100,
"visible": true
}, {
"department_id": 57,
"id": 452,
"name": "Grains, Rice & Dried Beans",
"rank_offset": 100,
"visible": true
}, {
"department_id": 57,
"id": 453,
"name": "Soup",
"rank_offset": 100,
"visible": true
}]
}, {
"display_name": "Personal & Home Care",
"id": 56,
"name": "Personal & Home Care",
"rank_offset": 994,
"sort_order": 6,
"visible": true,
"warehouse_id": 2,
"aisles": [{
"department_id": 56,
"id": 435,
"name": "Vitamins & Supplements",
"rank_offset": 30,
"visible": true
}, {
"department_id": 56,
"id": 436,
"name": "Paper Products",
"rank_offset": 20,
"visible": true
}, {
"department_id": 56,
"id": 438,
"name": "Pets!",
"rank_offset": 40,
"visible": true
}, {
"department_id": 56,
"id": 437,
"name": "Cleaning Products",
"rank_offset": 10,
"visible": true
}, {
"department_id": 56,
"id": 778,
"name": "Personal Care",
"rank_offset": 28,
"visible": true
}, {
"department_id": 56,
"id": 779,
"name": "Soap",
"rank_offset": 25,
"visible": true
}]
}
]
感谢您的耐心等待
你不能在文档加载后仅用类名初始化Bootstrap组件。当你向组件中添加类名时，Bootstrap会在页面加载时初始化它们。如果你在页面加载后添加一个组件，你需要使用bootstrap文档中列出的"Via JavaScript"初始化方法来初始化它，也就是说，对于下拉菜单，你需要触发$('.dropdown-toggle').dropdown() (bootstrap文档)
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