我正在构建一个购物车系统，添加了显示的项目，我希望组/添加中有相同的项目 [英] I am building a Cart system, Added items displaying , i want same items in a group/addition
本文介绍了我正在构建一个购物车系统，添加了显示的项目，我希望组/添加中有相同的项目的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
这是我的代码
请看看.每次将产品添加到购物车时，它只显示一个项目，我只想显示一个项目及其总成本.
请指导...
Please have a look. It is displaying a single Item every time when a product is added to Cart, all I wants is to display single item once, and its total cost.
Please guide...
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Shoping cart </h2>
<div class="row">
<div class="col-md-3">
<div class="form-group">
<img name="HP" id="imhp" class="img-thumbnail" src="http://placehold.it/150x150" onclick="addtoCart('imhp');" style="cursor:pointer;">
</div>
<div class="form-group">
<p>product small descriptioon</p>
</div>
<button type="submit" class="btn btn-default" style="margin: 0 0 15px;" onclick="addtoCart(1);">Add To cart</button>
</div>
<div class="col-md-3">
<div class="form-group">
<img name="Dell" id="imdell" class="img-thumbnail" src="http://placehold.it/150x150" onclick="addtoCart('imdell');" style="cursor:pointer;">
</div>
<div class="form-group">
<p>product small descriptioon</p>
</div>
<button type="submit" class="btn btn-default" style="margin: 0 0 15px;" onclick="addtoCart(2);">Add To cart</button>
</div>
<div class="col-md-3">
<div class="form-group">
<img name="sony" id="imsony" class="img-thumbnail" src="http://placehold.it/150x150" onclick="addtoCart('imsony');" style="cursor:pointer;">
</div>
<div class="form-group">
<p>product small descriptioon</p>
</div>
<button type="submit" class="btn btn-default" style="margin: 0 0 15px;" onclick="addtoCart(3);">Add To cart</button>
</div>
</div>
</div>
<div class="container">
<div class="jumbotron">
<table class="table">
<thead>
<tr>
<th>Name</th>
<th>Qty</th>
<th>Amount</th>
</tr>
</thead>
<tbody id="cartt">
<tr>
<td></td>
<td></td>
<td></td>
<td colspan="3">Sum: 180</td>
</tr>
<button type="submit" class="btn btn-default" style="margin: 0 0 15px;" onclick="clr();">Cancel</button>
</tbody>
</table>
</div>
</div>
</div>
</body>
<script>
var qty =0;
var amount =0;
var naam='';
//var desc=$('#imhp').attr('name');
function addtoCart(id){
{
if(id=='imhp'){
amount = amount+10;
naam='HP';
}
else if(id=='imdell'){
amount = amount+20;
naam='Dell';
}
else if(id=='imsony'){
amount = amount+30;
naam='Sony';
}
}
qty=qty+1;
var ele= $("#cartt");
ele.append('<tr><td>'+naam+'</td><td>'+qty+'</td><td>'+amount+'</td></tr>');
naam='';
qty=0;
amount=0;
}
//clear function on Cancel button
function clr()
{
qty =0;
amount =0;
//following line will give a blank HTML on cart DIV
$("#cartt").html('');
}
</script>
</html>
在这里，您还可以在编译后查看结果.附加的屏幕截图请看一下并进一步指导我如何实现目标.
Here you can also see the results after compiling. Attached Screen Shot Please have a look and guide me further how to achieve my target.
推荐答案
在这里，我建议您动态地进行静态编程对学习有帮助
Here you go i suggests you to do this scenario dynamically static is good for learning
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Shoping cart </h2>
<div class="row">
<div class="col-md-3">
<div class="form-group">
<img name="HP" id="imhp" class="img-thumbnail" src="http://placehold.it/150x150" onclick="addtoCart('imhp');" style="cursor:pointer;">
</div>
<div class="form-group">
<p>product small descriptioon</p>
</div>
<button type="submit" class="btn btn-default" style="margin: 0 0 15px;" onclick="addtoCart(1);">Add To cart</button>
</div>
<div class="col-md-3">
<div class="form-group">
<img name="Dell" id="imdell" class="img-thumbnail" src="http://placehold.it/150x150" onclick="addtoCart('imdell');" style="cursor:pointer;">
</div>
<div class="form-group">
<p>product small descriptioon</p>
</div>
<button type="submit" class="btn btn-default" style="margin: 0 0 15px;" onclick="addtoCart(2);">Add To cart</button>
</div>
<div class="col-md-3">
<div class="form-group">
<img name="sony" id="imsony" class="img-thumbnail" src="http://placehold.it/150x150" onclick="addtoCart('imsony');" style="cursor:pointer;">
</div>
<div class="form-group">
<p>product small descriptioon</p>
</div>
<button type="submit" class="btn btn-default" style="margin: 0 0 15px;" onclick="addtoCart(3);">Add To cart</button>
</div>
</div>
</div>
<div class="container">
<div class="jumbotron">
<table class="table" id="tbl">
<thead>
<tr>
<th>Name</th>
<th>Qty</th>
<th>Amount</th>
</tr>
</thead>
<tbody id="cartt">
<tr>
<td></td>
<td></td>
<td></td>
</tr>
<button type="submit" class="btn btn-default" style="margin: 0 0 15px;" onclick="clr();">Cancel</button>
</tbody>
</table>
<h3>Sum:</h3> <h2 id = "gttlsum">0</h2>
</div>
</div>
</div>
</body>
<script>
var gttl=0;
var qty =0;
var amount =0;
var naam='';
var recentAdded = '';
//var desc=$('#imhp').attr('name');
function addtoCart(id){
{
if(id=='imhp'){
amount = amount+10;
naam='HP';
}
else if(id=='imdell'){
amount = amount+20;
naam='Dell';
}
else if(id=='imsony'){
amount = amount+30;
naam='Sony';
}
}
qty=qty+1;
var ele= $("#cartt");
gttl = parseInt($("#gttlsum").html());
var isContains = $('#tbl').text().indexOf(naam) > -1;
if(!isContains)
{
ele.append('<tr id="'+naam+'"><td>'+naam+'</td><td id="qty'+naam+'">'+qty+'</td><td id="amount'+naam+'">'+amount+'</td></tr>');
gttl = gttl +amount;
}
else
{
var tqid = '#qty'+naam;
var taid = '#amount'+naam;
var q = $(tqid).html();
var a = $(taid).html();
gttl = gttl +amount;
amount = amount + parseInt(a);
qty = qty + parseInt(q);
var tid = '#'+naam;
var ele= $(tid);
if(ele.html()!='')
{
ele.html('');
ele.append('<td>'+naam+'</td><td id="qty'+naam+'">'+qty+'</td><td id="amount'+naam+'">'+amount+'</td>');
}
else
{
ele.append('<tr id="'+naam+'"><td>'+naam+'</td><td id="qty'+naam+'">'+qty+'</td><td id="amount'+naam+'">'+amount+'</td></tr>');
}
}
$("#gttlsum").html(gttl);
<!-- $('h1').text('NEW...'); -->
naam='';
qty=0;
amount=0;
}
//clear function on Cancel button
function clr()
{
qty =0;
amount =0;
//following line will give a blank HTML on cart DIV
$("#cartt").html('');
$("#gttlsum").html(0);
}
</script>
</html>
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