我有一个数组的 JSON 对象我想做的是动态填充 div
- 我有一个
选择选项
,我正在填充我的 JSON 数据的所有键 - 在我的 JSON 中,每个键都有一个数据数组作为其值,我试图将这些值添加到其他
div
,但这不起作用
代码
$(document).ready(function() {
var ImageData = {
"Employ A": [
"EmployA1.jpg",
"EmployA2.jpg"
],
"Employ B": [
"EmployeB1.jpg"
],
"Employ C": [
"EmployeC1.jpg"
]
}
var CountersName = Object.keys(ImageData)
let dropdown = $("#counterNames")
dropdown.append('<option selected="true" disabled>Select Counter</option>');
for (var i = 0; i < CountersName.length; i++) {
$('<option/>').val(CountersName[i]).html(CountersName[i]).appendTo('#counterNames');
}
$("#counterNames").on('change', function() {
var value = $(this).val();
$(".card-header").text(value) //setting card header
console.log(ImageData.value) // this shows undefinded on console
$(".list-group-item").text(ImageData.value)
})
});
.switch {
position: relative;
display: inline-block;
width: 60px;
height: 34px;
float: right;
}
/* Hide default HTML checkbox */
.switch input {
display: none;
}
/* The slider */
.slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #ccc;
-webkit-transition: .4s;
transition: .4s;
}
.slider:before {
position: absolute;
content: "";
height: 26px;
width: 26px;
left: 4px;
bottom: 4px;
background-color: white;
-webkit-transition: .4s;
transition: .4s;
}
input.success:checked+.slider {
background-color: #8bc34a;
}
input:checked+.slider:before {
-webkit-transform: translateX(26px);
-ms-transform: translateX(26px);
transform: translateX(26px);
}
/* Rounded sliders */
.slider.round {
border-radius: 34px;
}
.slider.round:before {
border-radius: 50%;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<div class="container">
<div class="col-xs-12 col-sm-12 col-md-6 col-lg-4">
<label for="counterNames">Select Counter:</label>
<select class="form-control" id="counterNames">
</select>
<div class="card" style="margin: 50px 0">
<div class="card-header"></div>
<ul class="list-group list-group-flush">
<li class="list-group-item"><label class="switch "> <input type="checkbox" class="success">
<span class="slider round"></span>
</label>
</li>
</ul>
</div>
</div>
</div>
关于 Employ select field
的变化,我正在努力实现如下所示的目标
.switch {
position: relative;
display: inline-block;
width: 60px;
height: 34px;
float: right;
}
/* Hide default HTML checkbox */
.switch input {
display: none;
}
/* The slider */
.slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #ccc;
-webkit-transition: .4s;
transition: .4s;
}
.slider:before {
position: absolute;
content: "";
height: 26px;
width: 26px;
left: 4px;
bottom: 4px;
background-color: white;
-webkit-transition: .4s;
transition: .4s;
}
input.success:checked+.slider {
background-color: #8bc34a;
}
input:checked+.slider:before {
-webkit-transform: translateX(26px);
-ms-transform: translateX(26px);
transform: translateX(26px);
}
/* Rounded sliders */
.slider.round {
border-radius: 34px;
}
.slider.round:before {
border-radius: 50%;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<div class="container">
<div class="col-md-6">
<div class="card" style="margin: 50px 0">
<div class="card-header">Employ A</div>
<ul class="list-group list-group-flush">
<li class="list-group-item ">EmployA1.jpg <label class="switch "> <input type="checkbox" class="success">
<span class="slider round"></span>
</label>
</li>
<li class="list-group-item ">EmployA2.jpg <label class="switch "> <input type="checkbox" class="success">
<span class="slider round"></span>
</label>
</li>
</ul>
</div>
</div>
</div>
我试过下面的代码
Object.keys(ImageData).forEach(function (k) {
ImageData[k].forEach(function (d) {
console.log(d)
});
});
但是当我从选择字段中选择任何下拉列表时,它正在打印所有值,如 EmployA1.jpg,EmployA2.jpg,EmployB1.jpg,Employc1.jpg
,我想做什么是当我选择 EmployA
然后 EmployA1.jpg 和 EmployA2.jpg
应该出现
最佳答案
您错误地使用了数组“ImageData”的索引。 写 ImageData['value'] 而不是 ImageData.value 。
另外,在后面你写了错误的代码,我的意思是:
$(".list-group-item").text(ImageData.value)
如果你想显示图片名称的列表,使用下面的代码:
$(document).ready(function() {
var ImageData = {
"Employ A": [
"EmployA1.jpg",
"EmployA2.jpg"
],
"Employ B": [
"EmployeB1.jpg"
],
"Employ C": [
"EmployeC1.jpg"
]
}
var CountersName = Object.keys(ImageData)
let dropdown = $("#counterNames")
dropdown.append('<option selected="true" disabled>Select Counter</option>');
for (var i = 0; i < CountersName.length; i++) {
$('<option/>').val(CountersName[i]).html(CountersName[i]).appendTo('#counterNames');
}
$("#counterNames").on('change', function() {
var value = $(this).val();
$(".card-header").text(value); //setting card header
console.log(ImageData[value]) ;// this shows undefinded on console
// $(".list-group-item").text(ImageData[value])
var ul = document.getElementById(".list-group");
ul_innerhtml = "";
for (i=0; i < ImageData[value].length; i++) {
title = ImageData[value][i];
var ul_innerhtml = ul_innerhtml+'<li class="list-group-item">'+title+'<label class="switch "><input type="checkbox" class="success"><span class="slider round"> </span></label></li>';
}
$(".list-group").html(ul_innerhtml);
})
});
.switch {
position: relative;
display: inline-block;
width: 60px;
height: 34px;
float: right;
}
/* Hide default HTML checkbox */
.switch input {
display: none;
}
/* The slider */
.slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #ccc;
-webkit-transition: .4s;
transition: .4s;
}
.slider:before {
position: absolute;
content: "";
height: 26px;
width: 26px;
left: 4px;
bottom: 4px;
background-color: white;
-webkit-transition: .4s;
transition: .4s;
}
input.success:checked+.slider {
background-color: #8bc34a;
}
input:checked+.slider:before {
-webkit-transform: translateX(26px);
-ms-transform: translateX(26px);
transform: translateX(26px);
}
/* Rounded sliders */
.slider.round {
border-radius: 34px;
}
.slider.round:before {
border-radius: 50%;
}
<!DOCTYPE html>
<html>
<head>
<title></title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<div class="col-xs-12 col-sm-12 col-md-6 col-lg-4">
<label for="counterNames">Select Counter:</label>
<select class="form-control" id="counterNames">
</select>
<div class="card" style="margin: 50px 0">
<div class="card-header"></div>
<ul class="list-group list-group-flush">
<li class="list-group-item">
<label class="switch ">
<input type="checkbox" class="success">
<span class="slider round">
</span>
</label>
</li>
</ul>
</div>
</div>
</div>
</body>
</html>
关于javascript - 如何用JSON数据设置Div内容,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/56489463/