<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <style> * { margin: 0; padding: 0; } body { width: 960px; margin: 20px auto; } #cart { margin: 0 auto; width: 850px; } #cart-header { height: 40px; background-color: lightgray; margin-bottom: 20px; } #cart-header div { line-height: 40px; } .left { float: left; } .right { float: right; } .w110 { width: 100px; } .ml10 { margin-left: 10px; } .w120 { width: 120px; } .w250 { width: 250px; } .center { text-align: center; } .w20 { width: 20px; } .w90 { width: 90px; } .clear { clear: both; } #cart-items>div { height: 100px; } #cart-items>div>div { line-height: 100px; } .w250 span { display: inline-block; font-size: 12px; line-height: 16px !important; } .single-item { border-bottom: 1px solid gray; } .small-button { display: inline-block; width: 20px; height: 20px; border: none; } .big-button { color: white; background-color: red; display: inline-block; width: 120px; height: 40px; border: none; font-size: 22px; } #totalCount, #totalPrice { color: red; } #totalPrice { font: bolder 20px Arial; display: inline-block; width: 150px; } #cart a { text-decoration: none; } #cart a:link, #cart a:visited, #cart a:active { color: gray; } </style> </head> <body> <div id="cart"> <div id="cart-header"> <div class="left w110 ml10"> <input id="selectAll" type="checkbox"> <label for="selectAll">全选</label> </div> <div class="left w250">商品</div> <div class="left w120 center">单价</div> <div class="left w120 center">数量</div> <div class="left w120 center">小计</div> <div class="left w120 center">操作</div> </div> <div id="cart-items"> <div class="clear single-item"> <div class="left w20 ml10"> <input name="selectOne" type="checkbox"> </div> <div class="left w90"> <a href=""> <img src="img/a1.jpg"> </a> </div> <div class="left w250"> <span> 海澜之家/Heilan Home春装商务白衬衫男修身HNCAD3A067Y 漂白(69) 漂 </span> </div> <div class="left w120 center">¥<span class="price">138.00</span></div> <div class="left w120 center"> <button class="small-button">-</button> <input class="center count" readonly type="text" size="3" value="1"> <button class="small-button">+</button> </div> <div class="left w120 center">¥<span>138.00</span></div> <div class="left w120 center"> <a href="javascript:void(0);">删除</a> </div> </div> <div class="clear single-item"> <div class="left w20 ml10"> <input name="selectOne" type="checkbox"> </div> <div class="left w90"> <a href=""> <img src="img/a2.jpg"> </a> </div> <div class="left w250"> <span> HLA海澜之家长袖衬衫男牛津纺休闲干净透气HNEAJ1E048A浅灰 </span> </div> <div class="left w120 center">¥<span class="price">128.00</span></div> <div class="left w120 center"> <button class="small-button">-</button> <input class="center count" readonly type="text" size="3" value="1"> <button class="small-button">+</button> </div> <div class="left w120 center">¥<span>128.00</span></div> <div class="left w120 center"> <a href="javascript:void(0);">删除</a> </div> </div> <div class="clear single-item"> <div class="left w20 ml10"> <input name="selectOne" type="checkbox"> </div> <div class="left w90"> <a href=""> <img src="img/a3.jpg"> </a> </div> <div class="left w250"> <span> HLA海澜之家牛津纺清新休闲衬衫2018春季新品质感柔软长袖衬衫男 </span> </div> <div class="left w120 center">¥<span class="price">99.00</span></div> <div class="left w120 center"> <button class="small-button">-</button> <input class="center count" readonly type="text" size="3" value="1"> <button class="small-button">+</button> </div> <div class="left w120 center">¥99.00</div> <div class="left w120 center"> <a href="javascript:void(0);">删除</a> </div> </div> </div> <div id="cart-footer"> <div class="clear left"> <a id="clearSelected" href="javascript:void(0);">删除选中商品</a> </div> <div class="right"> <span>总共选中了<span id="totalCount">0</span>件商品</span> <span>总计: <span id="totalPrice">¥0.00</span></span> <button id="pay" class="big-button">去结算</button> </div> </div> </div> <script src="js/jquery.min.js"></script> <script> function calcTotal() { var amountsInput = $('.single-item input[type=text]'); var pricesSpan = $('.single-item .price'); var checkboxes = $('.single-item input[type=checkbox]'); var totalAmount = 0; var totalPrice = 0; amountsInput.each(function(index) { if (checkboxes[index].checked) { var amount = parseInt($(this).val()); totalAmount += amount; var price = parseFloat($(pricesSpan[index]).text()); var currentPrice = (price * amount).toFixed(2); $(this).parent().next().find('span').text(currentPrice); totalPrice += parseFloat(currentPrice); } }); $('#totalCount').text(totalAmount); $('#totalPrice').text('¥' + totalPrice.toFixed(2)); } $(function() { $('#selectAll').on('click', function(evt) { $('.single-item input[type=checkbox]').prop('checked', evt.target.checked); calcTotal(); }); $('.single-item button').on('click', function(evt) { var op = $(evt.target).text(); if (op == '-') { var numInput = $(evt.target).next(); var num = parseInt(numInput.val()); if (num > 1) { numInput.val(num - 1); } } else { var numInput = $(evt.target).prev(); var num = parseInt(numInput.val()); if (num < 200) { numInput.val(num + 1); } } $(evt.target).parent().parent().find('input[type=checkbox]').prop('checked', true); calcTotal(); }); $('.single-item input[type=checkbox]').on('click', function() { calcTotal(); }); $('.single-item a').on('click', function(evt) { if (confirm('确定要删除该商品吗?')) { $(evt.target).parent().parent().remove(); calcTotal(); } }); $('#clearSelected').on('click', function() { if (confirm('确定要删除选中的商品吗?')) { $('.single-item').each(function() { if ($(this).find('input:checkbox').prop('checked')) { $(this).remove(); } }); calcTotal(); } }); }); </script> </body> </html>