本文主要是介绍使用jQuery实现购物界面的动态效果,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
实现功能:(购物车以表格的格式展示)
1 全选框和复选框之间的联动关系:
点击全选,所有复选框checked状态为true
点击复选框,全选框状态实时更新
2 点击删除按钮,删除对应的行
3 点击删除所选按钮,被选中的复选框实现删除功能
4 点击加减图片,实现对应行数量的加减功能
5 点击对应店铺的复选框按钮,实时展示所选择的商品总价,及可获积分点
购物界面.html
<!doctype html> <html lang="en"> <head><meta charset="UTF-8"><title>淘宝购物车页面</title><link href="css/myCart.css" rel="stylesheet" /><script src="js/jquery-3.5.1.min.js"></script><script src="js/myCart购物jquery.js"></script> </head> <body> <div id="header"><img src="images/taobao_logo.gif" alt="logo" /></div> <div id="nav">您的位置:<a href="#">首页</a> > <a href="#">我的淘宝</a> > 我的购物车</div> <div id="navlist"><ul><li class="navlist_red_left"></li><li class="navlist_red">1. 查看购物车</li><li class="navlist_red_arrow"></li><li class="navlist_gray">2. 确认订单信息</li><li class="navlist_gray_arrow"></li><li class="navlist_gray">3. 付款到支付宝</li><li class="navlist_gray_arrow"></li><li class="navlist_gray">4. 确认收货</li><li class="navlist_gray_arrow"></li><li class="navlist_gray">5. 评价</li><li class="navlist_gray_right"></li></ul> </div><div id="content"><form action="" method="post" name="myform"><table width="100%" border="0" cellspacing="0" cellpadding="0" id="shopping"> <tr><td class="title_1"><input id="allCheckBox" type="checkbox" value=""/>全选</td><td class="title_2" colspan="2">店铺宝贝</td><td class="title_3">获积分</td><td class="title_4">单价(元)</td><td class="title_5">数量</td><td class="title_6">小计(元)</td><td class="title_7">操作</td></tr><tr><td colspan="8" class="line"></td></tr><tr><td colspan="8" class="shopInfo">店铺:<a href="#">纤巧百媚时尚鞋坊</a> 卖家:<a href="#">纤巧百媚</a> <img src="images/taobao_relation.jpg" alt="relation" /></td></tr><tr id="product1"><td class="cart_td_1"><input name="cartCheckBox" type="checkbox" value="product1"/></td><td class="cart_td_2"><img src="images/taobao_cart_01.jpg" alt="shopping"/></td><td class="cart_td_3"><a href="#">日韩流行风时尚美眉最爱独特米字拼图金属坡跟公主靴子黑色</a><br />颜色:棕色 尺码:37<br />保障:<img src="images/taobao_icon_01.jpg" alt="icon" /></td><td class="cart_td_4">5</td><td class="cart_td_5">138.00</td><td class="cart_td_6"><img src="images/taobao_minus.jpg" alt="minus" class="hand"/> <input id="num_1" type="text" value="1" class="num_input" readonly="readonly"/> <img src="images/taobao_adding.jpg" alt="add" class="hand"/></td><td class="cart_td_7"></td><td class="cart_td_8"><a href="javascript:void(0);">删除</a></td></tr><tr><td colspan="8" class="shopInfo">店铺:<a href="#">香港我的美丽日记</a> 卖家:<a href="#">lokemick2009</a> <img src="images/taobao_relation.jpg" alt="relation" /></td></tr><tr id="product2"><td class="cart_td_1"><input name="cartCheckBox" type="checkbox" value="product2" /></td><td class="cart_td_2"><img src="images/taobao_cart_02.jpg" alt="shopping"/></td><td class="cart_td_3"><a href="#">chanel/香奈尔/香奈尔炫亮魅力唇膏3.5g</a><br />保障:<img src="images/taobao_icon_01.jpg" alt="icon" /> <img src="images/taobao_icon_02.jpg" alt="icon" /></td><td class="cart_td_4">12</td><td class="cart_td_5">265.00</td><td class="cart_td_6"><img src="images/taobao_minus.jpg" alt="minus" class="hand"/> <input id="num_2" type="text" value="1" class="num_input" readonly="readonly"/> <img src="images/taobao_adding.jpg" alt="add" class="hand"/></td><td class="cart_td_7"></td><td class="cart_td_8"><a href="javascript:void(0);">删除</a></td></tr><tr><td colspan="8" class="shopInfo">店铺:<a href="#">实体经营</a> 卖家:<a href="#">林颜店铺</a> <img src="images/taobao_relation.jpg" alt="relation" /></td></tr><tr id="product3"><td class="cart_td_1"><input name="cartCheckBox" type="checkbox" value="product3"/></td><td class="cart_td_2"><img src="images/taobao_cart_03.jpg" alt="shopping"/></td><td class="cart_td_3"><a href="#">蝶妆海?蓝清滢粉底液10#(象牙白)</a><br />保障:<img src="images/taobao_icon_01.jpg" alt="icon" /> <img src="images/taobao_icon_02.jpg" alt="icon" /></td><td class="cart_td_4">3</td><td class="cart_td_5">85.00</td><td class="cart_td_6"><img src="images/taobao_minus.jpg" alt="minus" class="hand"/> <input id="num_3" type="text" value="1" class="num_input" readonly="readonly"/> <img src="images/taobao_adding.jpg" alt="add" class="hand"/></td><td class="cart_td_7"></td><td class="cart_td_8"><a href="javascript:void(0);">删除</a></td></tr><tr><td colspan="8" class="shopInfo">店铺:<a href="#">红豆豆的小屋</a> 卖家:<a href="#">taobao豆豆</a> <img src="images/taobao_relation.jpg" alt="relation" /></td></tr><tr id="product4"><td class="cart_td_1"><input name="cartCheckBox" type="checkbox" value="product4"/></td><td class="cart_td_2"><img src="images/taobao_cart_04.jpg" alt="shopping"/></td><td class="cart_td_3"><a href="#">相宜促销专供 大S推荐 最好用的LilyBell化妆棉</a><br />保障:<img src="images/taobao_icon_01.jpg" alt="icon" /></td><td class="cart_td_4">12</td><td class="cart_td_5">12.00</td><td class="cart_td_6"><img src="images/taobao_minus.jpg" alt="minus" class="hand"/> <input id="num_4" type="text" value="2" class="num_input" readonly="readonly"/> <img src="images/taobao_adding.jpg" alt="add" class="hand"/></td><td class="cart_td_7"></td><td class="cart_td_8"><a href="javascript:void(0);">删除</a></td></tr><tr><td colspan="3"><a id="deleteAll" href="javascript:void(0);"><img src="images/taobao_del.jpg" alt="delete"/></a></td><td colspan="5" class="shopend">商品总价(不含运费):<label id="total" class="yellow"></label> 元<br />可获积分 <label class="yellow" id="integral"></label> 点<br /><input name=" " type="image" src="images/taobao_subtn.jpg" /></td></tr> </table></form> </div></body> </html>
实现功能的jQuery代码
$(function(){xiaoji()$("#allCheckBox").click(function(){let isOk = $(this).prop("checked");console.log(isOk)$("[name='cartCheckBox']").prop("checked",isOk)})$("[name='cartCheckBox']").click(function(){console.log($("[name='cartCheckBox']").length)console.log($("[name='cartCheckBox']:checked").length)if($("[name='cartCheckBox']").length == $("[name='cartCheckBox']:checked").length){$("#allCheckBox").prop("checked",true); }else{$("#allCheckBox").prop("checked",false);}xiaoji()})$(".cart_td_8 a").click(function(){$(this).parents("tr").prev().remove()$(this).parents("tr").remove()xiaoji()})$("#deleteAll").click(function (){// let indexBox = $("[name='cartCheckBox']:checked")// for (let s of indexBox) {// // $(".cart_td_8 a").index(s).parents("#product1").prev().remove()// $(".cart_td_8 a").index(s).parents("#product1").remove()// }// xiaoji()let boxObject = $(".cart_td_1 input:checked")boxObject.parents("tr").prev().remove()boxObject.parents("tr").remove()xiaoji()})$(".hand").click(function(){let nums = $(".cart_td_6")let indexImg = $(".hand").index(this);console.log(indexImg)console.log(indexImg % 2+"----"+"indexImg % 2")console.log("------------")console.log((indexImg+2)/2+"----"+"(indexImg+2)/2")let defaultNum = 0; if(indexImg % 2 == 0){if(nums.eq((indexImg+2)/2-1).children("input").val()==1){return;}nums.eq((indexImg+2)/2-1).children("input").val(parseInt(nums.eq((indexImg+2)/2-1).children("input").val()) - 1)}else{nums.eq((indexImg+1)/2-1).children("input").val(parseInt(nums.eq((indexImg+1)/2-1).children("input").val()) +1)}xiaoji()})function xiaoji(){let xiaojis = $(".cart_td_7")let prices = $(".cart_td_5")let nums = $(".cart_td_6")let jifens = $(".cart_td_4")let totalMoney = 0;let totalJifen = 0;for (let i = 0; i < prices.length; i++) {let indexGoods = ilet num = nums.eq(indexGoods).children("input").val()let price = prices.eq(indexGoods).text()let jifen = jifens.eq(indexGoods).text()let money = price*numlet jifenType = jifen*numxiaojis.eq(indexGoods).text(money)// for (var m = 0; m< $("[name='cartCheckBox']:checked").length; m++) {// let indexNameObject =;// if(i == indexNameObject){// totalMoney += money;// totalJifen += jifenType;// }// }}$("[name='cartCheckBox']:checked").each(function() {let index = $("[name='cartCheckBox']").index(this); // 获取当前选中复选框所在行的索引let price = $(".cart_td_5").eq(index).text(); // 获取对应商品的价格let num = $(".cart_td_6").eq(index).children("input").val(); // 获取对应商品的数量let jifen = $(".cart_td_4").eq(index).text(); // 获取对应商品的积分let money = price * num; // 计算商品的小计金额let jifenType = jifen * num; // 计算商品的小计积分totalMoney += money; // 累加总金额totalJifen += jifenType; // 累加总积分});$("#total").text(totalMoney)$("#integral").text(totalJifen)} })
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