<!DOCTYPE html><html><head> ???<meta charset="utf-8"> ???<title>购物车结算</title> ???<style> ???????*{padding::0; margin:0; font-family:"微软雅黑"} ???????.one-shop,.all-total{padding:20px; width:400px; margin:auto} ???????.one-goods{height:35px; line-height:35px} ???????.goods-msg,.goods-price{float:left; padding:0 10px 0 0} ???????.goods-check{width:15px; height:15px} ???????.am-num-text{width:50px; text-align:center} ???????.shop-total,.all-total{height:50px; line-height:50px} ???????.all-del{ ???????????width: 400px; ???????????display: flex; ???????????margin: auto; ???????} ???????#AllDel{ ???????????display: inline-block; ???????????background: #FF0000; ???????????color: #FFFFFF; ???????????width: 60px; ???????????height: 30px; ???????????line-height: 30px; ???????????text-align: center; ???????} ???</style></head><body> ???<!-- 一个店铺 --> ???<div class="one-shop"> ???????<!-- 一个商品 --> ???????<div class="one-goods"> ???????????<div class="goods-msg"> ???????????????<input type="checkbox" class="goods-check GoodsCheck"> ???????????????<button type="button" class="minus">-</button> ???????????????<input type="text" class="am-num-text" value="1"/> ???????????????<button type="button" class="plus">+</button> ???????????</div> ???????????<div class="goods-price"> ???????????????单价：￥<span class="shop-total-amount GoodsPrice">20.00</span> ???????????</div> ???????</div> ???????<!-- 一个商品 --> ???????<div class="one-goods"> ???????????<div class="goods-msg"> ???????????????<input type="checkbox" class="goods-check GoodsCheck"> ???????????????<button type="button" class="minus">-</button> ???????????????<input type="text" class="am-num-text" value="1"/> ???????????????<button type="button" class="plus">+</button> ???????????</div> ???????????<div class="goods-price"> ???????????????单价：￥<span class="shop-total-amount GoodsPrice">9.90</span> ???????????</div> ???????</div> ???????<!-- 一个商品 --> ???????<div class="one-goods"> ???????????<div class="goods-msg "> ???????????????<input type="checkbox" class="goods-check GoodsCheck"> ???????????????<button type="button" class="minus">-</button> ???????????????<input type="text" class="am-num-text" value="1"/> ???????????????<button type="button" class="plus">+</button> ???????????</div> ???????????<div class="goods-price"> ???????????????单价：￥<span class="shop-total-amount GoodsPrice">10.00</span> ???????????</div> ???????</div> ???????<!-- 店铺合计 --> ???????<div class="shop-total"> ???????????<input type="checkbox" class="goods-check ShopCheck">店铺全选 ???????????本店合计：￥<span class="shop-total-amount ShopTotal">0</span> ???????</div> ???</div> ???<!-- 一个店铺 --> ???<div class="one-shop"> ???????<!-- 一个商品 --> ???????<div class="one-goods"> ???????????<div class="goods-msg"> ???????????????<input type="checkbox" class="goods-check GoodsCheck"> ???????????????<button type="button" class="minus">-</button> ???????????????<input type="text" class="am-num-text" value="1"/> ???????????????<button type="button" class="plus">+</button> ???????????</div> ???????????<div class="goods-price"> ???????????????单价：￥<span class="shop-total-amount GoodsPrice">20.00</span> ???????????</div> ???????</div> ???????<!-- 一个商品 --> ???????<div class="one-goods"> ???????????<div class="goods-msg"> ???????????????<input type="checkbox" class="goods-check GoodsCheck"> ???????????????<button type="button" class="minus">-</button> ???????????????<input type="text" class="am-num-text" value="1"/> ???????????????<button type="button" class="plus">+</button> ???????????</div> ???????????<div class="goods-price"> ???????????????单价：￥<span class="shop-total-amount GoodsPrice">9.90</span> ???????????</div> ???????</div> ???????<!-- 一个商品 --> ???????<div class="one-goods"> ???????????<div class="goods-msg "> ???????????????<input type="checkbox" class="goods-check GoodsCheck"> ???????????????<button type="button" class="minus">-</button> ???????????????<input type="text" class="am-num-text" value="1"/> ???????????????<button type="button" class="plus">+</button> ???????????</div> ???????????<div class="goods-price"> ???????????????单价：￥<span class="shop-total-amount GoodsPrice">10.00</span> ???????????</div> ???????</div> ???????<!-- 店铺合计 --> ???????<div class="shop-total"> ???????????<input type="checkbox" class="goods-check ShopCheck">店铺全选 ???????????本店合计：￥<span class="shop-total-amount ShopTotal">0</span> ???????</div> ???</div> ???<!-- 一个店铺 --> ???<div class="one-shop"> ???????<!-- 一个商品 --> ???????<div class="one-goods"> ???????????<div class="goods-msg"> ???????????????<input type="checkbox" class="goods-check GoodsCheck"> ???????????????<button type="button" class="minus">-</button> ???????????????<input type="text" class="am-num-text" value="1"/> ???????????????<button type="button" class="plus">+</button> ???????????</div> ???????????<div class="goods-price"> ???????????????单价：￥<span class="shop-total-amount GoodsPrice">20.00</span> ???????????</div> ???????</div> ???????<!-- 一个商品 --> ???????<div class="one-goods"> ???????????<div class="goods-msg"> ???????????????<input type="checkbox" class="goods-check GoodsCheck"> ???????????????<button type="button" class="minus">-</button> ???????????????<input type="text" class="am-num-text" value="1"/> ???????????????<button type="button" class="plus">+</button> ???????????</div> ???????????<div class="goods-price"> ???????????????单价：￥<span class="shop-total-amount GoodsPrice">9.90</span> ???????????</div> ???????</div> ???????<!-- 一个商品 --> ???????<div class="one-goods"> ???????????<div class="goods-msg "> ???????????????<input type="checkbox" class="goods-check GoodsCheck"> ???????????????<button type="button" class="minus">-</button> ???????????????<input type="text" class="am-num-text" value="1"/> ???????????????<button type="button" class="plus">+</button> ???????????</div> ???????????<div class="goods-price"> ???????????????单价：￥<span class="shop-total-amount GoodsPrice">10.00</span> ???????????</div> ???????</div> ???????<!-- 店铺合计 --> ???????<div class="shop-total"> ???????????<input type="checkbox" class="goods-check ShopCheck">店铺全选 ???????????本店合计：￥<span class="shop-total-amount ShopTotal">0</span> ???????</div> ???</div> ???<!-- 总计 --> ???<div class="all-total"> ???????<input type="checkbox" class="goods-check" id="AllCheck">全选 ???????总价合计：￥<span class="shop-total-amount" id="AllTotal">0</span> ???</div> ???<!--删除--> ???<div class="all-del"> ???????<a id="AllDel">删除</a> ???</div><script src="http://code.jquery.com/jquery-2.2.0.min.js"></script> <script> ?// 数量减 ?$(".minus").click(function() { ???var t = $(this).parent().find(‘.am-num-text‘); ???t.val(parseInt(t.val()) - 1); ???if (t.val() <= 1) { ?????t.val(1); ???} ???TotalPrice(); ?}); ?// 数量加 ?$(".plus").click(function() { ???var t = $(this).parent().find(‘.am-num-text‘); ???t.val(parseInt(t.val()) + 1); ???if (t.val() <= 1) { ?????t.val(1); ???} ???TotalPrice(); ?}); ?// 点击商品按钮 ?$(".GoodsCheck").click(function() { ???var goods = $(this).closest(".one-shop").find(".GoodsCheck"); //获取本店铺的所有商品 ???var goodsC = $(this).closest(".one-shop").find(".GoodsCheck:checked"); //获取本店铺所有被选中的商品 ???var Shops = $(this).closest(".one-shop").find(".ShopCheck"); //获取本店铺的全选按钮 ???if (goods.length == goodsC.length) { //如果选中的商品等于所有商品 ?????Shops.prop(‘checked‘, true); //店铺全选按钮被选中 ?????if ($(".ShopCheck").length == $(".ShopCheck:checked").length) { //如果店铺被选中的数量等于所有店铺的数量 ???????$("#AllCheck").prop(‘checked‘, true); //全选按钮被选中 ???????TotalPrice(); ?????} else { ???????$("#AllCheck").prop(‘checked‘, false); //else全选按钮不被选中 ????????TotalPrice(); ?????} ???} else { //如果选中的商品不等于所有商品 ?????Shops.prop(‘checked‘, false); //店铺全选按钮不被选中 ?????$("#AllCheck").prop(‘checked‘, false); //全选按钮也不被选中 ?????// 计算 ?????TotalPrice(); ?????// 计算 ???} ?}); ?// 点击店铺按钮 ?$(".ShopCheck").change(function() { ???if ($(this).prop("checked") == true) { //如果店铺按钮被选中 ?????$(this).parents(".one-shop").find(".goods-check").prop(‘checked‘, true); //店铺内的所有商品按钮也被选中 ?????if ($(".ShopCheck").length == $(".ShopCheck:checked").length) { //如果店铺被选中的数量等于所有店铺的数量 ???????$("#AllCheck").prop(‘checked‘, true); //全选按钮被选中 ???????TotalPrice(); ?????} else { ???????$("#AllCheck").prop(‘checked‘, false); //else全选按钮不被选中 ???????TotalPrice(); ?????} ???} else { //如果店铺按钮不被选中 ?????$(this).parents(".one-shop").find(".goods-check").prop(‘checked‘, false); //店铺内的所有商品也不被全选 ?????$("#AllCheck").prop(‘checked‘, false); //全选按钮也不被选中 ?????TotalPrice(); ???} ?}); ?// 点击全选按钮 ?$("#AllCheck").click(function() { ???if ($(this).prop("checked") == true) { //如果全选按钮被选中 ?????$(".goods-check").prop(‘checked‘, true); //所有按钮都被选中 ?????TotalPrice(); ???} else { ?????$(".goods-check").prop(‘checked‘, false); //else所有按钮不全选 ?????TotalPrice(); ???} ???$(".ShopCheck").change(); //执行店铺全选的操作 ?}); ?//点击删除 ?$(‘#AllDel‘).click(function(){ ????$(".GoodsCheck:checked").each(function() { // 遍历选中的商品checkbox ???????var goods = $(this).closest(".one-shop").find(".GoodsCheck"); //获取本店铺的所有商品 ???????var goodsC = $(this).closest(".one-shop").find(".GoodsCheck:checked"); //获取本店铺所有被选中的商品 ???????var Shops = $(this).closest(".one-shop").find(".ShopCheck"); //获取本店铺的全选按钮 ????????if (goods.length == goodsC.length) { //如果选中的商品等于所有商品 ???????????Shops.prop(‘checked‘, true); //店铺全选按钮不被选中 ???????????$(this).closest(".one-shop").remove(); ???????????TotalPrice(); ????????} else { //如果选中的商品不等于所有商品 ????????var n = $(this).parents(‘.one-goods‘).index(); // 获取checkbox所在行的顺序 ???????????$(".one-shop").find(".one-goods:eq("+n+")").remove(); ???????????TotalPrice(); ????????} ????}); ?}); ?function TotalPrice() { ???var allprice = 0; //总价 ???$(".one-shop").each(function() { //循环每个店铺 ?????var oprice = 0; //店铺总价 ?????$(this).find(".GoodsCheck").each(function() { //循环店铺里面的商品 ???????if ($(this).is(":checked")) { //如果该商品被选中 ?????????var num = parseInt($(this).parents(".one-goods").find(".am-num-text").val()); //得到商品的数量 ?????????var price = parseFloat($(this).parents(".one-goods").find(".GoodsPrice").text()); //得到商品的单价 ?????????var total = price * num; //计算单个商品的总价 ?????????oprice += total; //计算该店铺的总价 ???????} ???????$(this).closest(".one-shop").find(".ShopTotal").text(oprice.toFixed(2)); //显示被选中商品的店铺总价 ?????}); ?????var oneprice = parseFloat($(this).find(".ShopTotal").text()); //得到每个店铺的总价 ?????allprice += oneprice; //计算所有店铺的总价 ???}); ???$("#AllTotal").text(allprice.toFixed(2)); //输出全部总价 ?} ?</script></body></html>jquery-防多店铺购物车结算全选，单选，及删除，价格计算
原文地址：https://www.cnblogs.com/lingXie/p/10518137.html