JS는 장바구니 특수 효과를 구현합니다.
- 高洛峰원래의
- 2017-02-04 13:27:171029검색
효과:
1. 모두 선택 버튼을 클릭하면 모두 선택되고, 다시 클릭하면 모두 선택 해제됩니다.
2. 수량 ' + ' - '를 클릭하면 자동 계산됩니다. 그리고 총계는 계속 업데이트됩니다. 수량이 1보다 큰 경우 '-'가 나타납니다. 1보다 작거나 같으면 '-'가 사라집니다
3. 삭제를 클릭하면 삭제 기능이 활성화됩니다.
4. 모두 선택 옆에 있는 삭제 버튼을 클릭하면 모두 삭제됩니다.
5. 상품 선택 후, 해당 상품을 클릭하면 해당 상품이 표시됩니다.
6. 선택한 상품은 선택 해제가 가능합니다.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>购物车</title>
</head>
<style type="text/css">
* {
margin: 0;
padding: 0;
}
a {
color: #666;
text-decoration: none;
}
body {
padding: 20px;
color: #666;
}
.fl{
float: left;
}
.fr {
float: right;
}
table {
border-collapse: collapse;
border-spacing: 0;
border: 0;
text-align: center;
width: 937px;
}
th, td {
border: 1px solid #CADEFF;
}
th {
background: #e2f2ff;
border-top: 3px solid #a7cbff;
height: 30px;
}
td {
padding: 10px;
color: #444;
}
tbody tr:hover {
background: RGB(238,246,255);
}
.checkbox {
width: 60px;
}
.goods {
width: 300px;
}
.goods span {
width: 180px;
margin-top: 20px;
text-align: left;
float: left;
}
.price {
width: 130px;
}
.count {
width: 90px;
}
.count .add, .count input, .count .reduce {
float: left;
margin-right: -1px;
position: relative;
z-index: 0;
}
.count .add, .count .reduce {
height: 23px;
width: 17px;
border: 1px solid #e5e5e5;
background: #f0f0f0;
text-align: center;
line-height: 23px;
color: #444;
}
.count .add:hover, .count .reduce:hover {
color: #f50;
z-index: 3;
border-color: #f60;
cursor: pointer;
}
.count input {
width: 50px;
height: 15px;
line-height: 15px;
border: 1px solid #aaa;
color: #343434;
text-align: center;
padding: 4px 0;
background-color: #fff;
z-index: 2;
}
.subtotal {
width: 150px;
color: red;
font-weight: bold;
}
.operation {
width: 80px;
}
.operation span:hover, a:hover {
cursor: pointer;
color: red;
text-decoration: underline;
}
img {
width: 100px;
height: 80px;
/*border: 1px solid #ccc;*/
margin-right: 10px;
float: left;
}
.foot {
width: 935px;
margin-top: 10px;
color: #666;
height: 48px;
border: 1px solid #c8c8c8;
background-color: #eaeaea;
background-image:linear-gradient(RGB(241,241,241),RGB(226,226,226));
position: relative;
z-index: 8;
}
.foot div, .foot a {
line-height: 48px;
height: 48px;
}
.foot .select-all {
width: 100px;
height: 48px;
line-height: 48px;
padding-left: 5px;
color: #666;
}
.foot .closing {
border-left: 1px solid #c8c8c8;
width: 100px;
text-align: center;
color: #000;
font-weight: bold;
background: RGB(238,238,238);
cursor: pointer;
}
.foot .total{
margin: 0 20px;
cursor: pointer;
}
.foot #priceTotal, .foot #selectedTotal {
color: red;
font-family: "Microsoft Yahei";
font-weight: bold;
}
.foot .selected {
cursor: pointer;
}
.foot .selected .arrow {
position: relative;
top:-3px;
margin-left: 3px;
}
.foot .selected .down {
position: relative;
top:3px;
display: none;
}
.show .selected .down {
display: inline;
}
.show .selected .up {
display: none;
}
.foot .selected:hover .arrow {
color: red;
}
.foot .selected-view {
width: 935px;
border: 1px solid #c8c8c8;
position: absolute;
height: auto;
background: #ffffff;
z-index: 9;
bottom: 48px;
left: -1px;
display:none;
}
.show .selected-view {
display: block;
}
.foot .selected-view div{
height: auto;
}
.foot .selected-view .arrow {
font-size: 16px;
line-height: 100%;
color:#c8c8c8;
position: absolute;
right: 330px;
bottom: -9px;
}
.foot .selected-view .arrow span {
color: #ffffff;
position: absolute;
left: 0px;
bottom: 1px;
}
#selectedViewList {
padding: 20px;
margin-bottom: -20px;
}
#selectedViewList div{
display: inline-block;
position: relative;
width: 100px;
height: 80px;
border: 1px solid #ccc;
margin: 10px;
}
#selectedViewList div span {
display: none;
color: #ffffff;
font-size: 12px;
position: absolute;
top: 0px;
right: 0px;
width: 60px;
height: 18px;
line-height: 18px;
text-align: center;
background: RGBA(0,0,0,.5);
cursor: pointer;
}
#selectedViewList div:hover span {
display: block;
}
</style>
<body>
<table id="cartTable">
<thead>
<tr>
<th><label><input class="check-all check" type="checkbox"/> 全选</label></th>
<th>商品</th>
<th>单价</th>
<th>数量</th>
<th>小计</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<tr>
<td class="checkbox"><input class="check-one check" type="checkbox"/></td>
<td class="goods"><img src="http://cdn.attach.qdfuns.com/notes/pics/201612/21/075704loo2mdzuux5123gu.jpg.editor.jpg" alt=""/><span>Casio/卡西欧 EX-TR350</span></td>
<td class="price">5999.88</td>
<td class="count">
<span class="reduce"></span>
<input class="count-input" type="text" value="1"/>
<span class="add">+</span></td>
<td class="subtotal">5999.88</td>
<td class="operation"><span class="delete">删除</span></td>
</tr>
<tr>
<td class="checkbox"><input class="check-one check" type="checkbox"/></td>
<td class="goods"><img src="http://cdn.attach.qdfuns.com/notes/pics/201612/21/075704m26zvv6e52sjczee.jpg.editor.jpg" alt=""/><span>Canon/佳能 PowerShot SX50 HS</span></td>
<td class="price">3888.50</td>
<td class="count"><span class="reduce"></span><input class="count-input" type="text" value="1"/><span class="add">+</span></td>
<td class="subtotal">3888.50</td>
<td class="operation"><span class="delete">删除</span></td>
</tr>
<tr>
<td class="checkbox"><input class="check-one check" type="checkbox"/></td>
<td class="goods"><img src="http://cdn.attach.qdfuns.com/notes/pics/201612/21/075704etdabo2fpppdplsa.jpg.editor.jpg" alt=""/><span>Sony/索尼 DSC-WX300</span></td>
<td class="price">1428.50</td>
<td class="count"><span class="reduce"></span><input class="count-input" type="text" value="1"/><span class="add">+</span></td>
<td class="subtotal">1428.50</td>
<td class="operation"><span class="delete">删除</span></td>
</tr>
<tr>
<td class="checkbox"><input class="check-one check" type="checkbox"/></td>
<td class="goods"><img src="http://cdn.attach.qdfuns.com/notes/pics/201612/21/075823wdtw1pdvf3wbwd8b.jpg.editor.jpg" alt=""/><span>Fujifilm/富士 instax mini 25</span></td>
<td class="price">640.60</td>
<td class="count"><span class="reduce"></span><input class="count-input" type="text" value="1"/><span class="add">+</span></td>
<td class="subtotal">640.60</td>
<td class="operation"><span class="delete">删除</span></td>
</tr>
</tbody>
</table>
<div class="foot" id="foot">
<label class="fl select-all"><input type="checkbox" class="check-all check"/> 全选</label>
<a class="fl delete" id="deleteAll" href="javascript:;">删除</a>
<div class="fr closing">结 算</div>
<div class="fr total">合计：￥<span id="priceTotal">0.00</span></div>
<div class="fr selected" id="selected">已选商品
<span id="selectedTotal">0</span>件
<span class="arrow up">︽</span>
<span class="arrow down">︾</span>
</div>
<div class="selected-view">
<div id="selectedViewList" class="clearfix">
<!--<div><img src="images/1.jpg"><span>取消选择</span></div>-->
</div>
<span class="arrow">◆<span>◆</span></span>
</div>
</div>
<script>
window.onload = function () {
if (!document.getElementsByClassName) {
document.getElementsByClassName = function (cls) {
var ret = [];
var els = document.getElementsByTagName('*');
for (var i = 0, len = els.length; i < len; i++) {
if (els[i].className === cls
|| els[i].className.indexOf(cls + ' ') >= 0
|| els[i].className.indexOf(' ' + cls + ' ') >= 0
|| els[i].className.indexOf(' ' + cls) >= 0) {
ret.push(els[i]);
}
}
return ret;
}
}
var cartTable = document.getElementById('cartTable');
var tr = cartTable.children[1].rows;
var checkInputs = document.getElementsByClassName('check');
var checkAllInputs = document.getElementsByClassName('check-all');
var selectedTotal = document.getElementById('selectedTotal');
var priceTotal = document.getElementById('priceTotal');
var selected = document.getElementById('selected');
var foot = document.getElementById('foot');
var selectedViewList = document.getElementById('selectedViewList');
var deleteAll = document.getElementById('deleteAll');
//计算
function getTotal() {
var seleted = 0;
var price = 0;
var HTMLstr = '';
for (var i = 0, len = tr.length; i < len; i++) {
if (tr[i].getElementsByTagName('input')[0].checked) {
tr[i].className = 'on';
seleted += parseInt(tr[i].getElementsByTagName('input')[1].value);
price += parseFloat(tr[i].cells[4].innerHTML);
HTMLstr += '<div><img src="' + tr[i].getElementsByTagName('img')[0].src + '"><span class="del" index="' + i + '">取消选择</span></div>'
}
else {
tr[i].className = '';
}
}
selectedTotal.innerHTML = seleted;
priceTotal.innerHTML = price.toFixed(2);
selectedViewList.innerHTML = HTMLstr;
if (seleted == 0) {
foot.className = 'foot';
}
}
//小计
function getSubTotal(tr) {
var tds = tr.cells;
var price = parseFloat(tds[2].innerHTML);
var count = parseInt(tr.getElementsByTagName('input')[1].value);
var SubTotal = parseFloat(price * count);
tds[4].innerHTML = SubTotal.toFixed(2);
}
for (var i = 0 , len = checkInputs.length; i < len; i++) {
checkInputs[i].onclick = function () {
if (this.className === 'check-all check') {
for (var j = 0; j < checkInputs.length; j++) {
checkInputs[j].checked = this.checked;
}
}
if (this.checked == false) {
for (var k = 0; k < checkAllInputs.length; k++) {
checkAllInputs[k].checked = false;
}
}
getTotal();
}
}
selected.onclick = function () {
if (foot.className == 'foot') {
if (selectedTotal.innerHTML != 0) {
foot.className = 'foot show';
}
}
else {
foot.className = 'foot';
}
}
selectedViewList.onclick = function (e) {
e = e || window.event;
var el = e.srcElement;
if (el.className == 'del') {
var index = el.getAttribute('index');
var input = tr[index].getElementsByTagName('input')[0];
input.checked = false;
input.onclick();
}
}
for (var i = 0; i < tr.length; i++) {
tr[i].onclick = function (e) {
e = e || window.event;
var el = e.srcElement;
var cls = el.className;
var input = this.getElementsByTagName('input')[1];
var val = parseInt(input.value);
var reduce = this.getElementsByTagName('span')[1];
switch (cls) {
case 'add':
input.value = val + 1;
reduce.innerHTML = '-';
getSubTotal(this);
break;
case 'reduce':
if (val > 1) {
input.value = val - 1;
}
if (input.value <= 1) {
reduce.innerHTML = '';
}
getSubTotal(this);
break;
case 'delete':
var conf = confirm('确定要删除吗？');
if (conf) {
this.parentNode.removeChild(this);
}
break
default :
break;
}
getTotal();
}
tr[i].getElementsByTagName('input')[1].onkeyup = function () {
var val = parseInt(this.value);
var tr = this.parentNode.parentNode
var reduce = tr.getElementsByTagName('span')[1];
if (isNaN(val) || val < 1) {
val = 1;
}
this.value = val;
if (val <= 1) {
reduce.innerHTML = '';
}
else {
reduce.innerHTML = '-';
}
getSubTotal(tr);
getTotal();
}
}
deleteAll.onclick = function () {
if (selectedTotal.innerHTML != '0') {
var conf = confirm('确定删除吗？');
if (conf) {
for (var i = 0; i < tr.length; i++) {
var input = tr[i].getElementsByTagName('input')[0];
if (input.checked) {
tr[i].parentNode.removeChild(tr[i]);
i--;
}
}
}
}
}
checkAllInputs[0].checked = true;
checkAllInputs[0].onclick();
}
</script>
</body>
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