购物车结算

< html lang = "en" >

< head >
 < meta charset = "utf-8" >
 < meta http-equiv = "X-UA-Compatible" content = "IE=edge" >
 < title >购物车结算 title >

 < meta name = "description" content = "" >
 < meta name = "keywords" content = "" >
 < meta name = "viewport" content = "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />
 < meta name = "format-detection" content = "telephone=no" />
 < meta name = "renderer" content = "webkit" >

 < meta name = "apple-mobile-web-app-capable" content = "yes" >
 < meta name = "apple-mobile-web-app-status-bar-style" content = "black" >
 < style >
 .shop-total,
 .all-total {
 height: 50px;
 line-height: 50px;
 font-weight: bold;
 color: #f00;
 float: left;
 }

 .one-shop,
 .all-total,
 .shop-total {
 width: 400px;
 }

 p {
 margin: 0;
 }

 .goods-check {
 width: 25px;
 height: 25px;
 margin-top: 5px;
 }

 .goods-msg,
 p,
 label {
 float: left;
 }
 style >

head >

< body >

 < div class = "one-shop" >

 < div class = "one-goods" >
  < div class = "goods-msg" >
  < label for = "" >
   < input type = "checkbox" class = "goods-check GoodsCheck" >
  label >

  < button type = "button" class = "minus" >- button >

  < input type = "text" class = "am-num-text" value = "1" />
  < button type = "button" class = "plus" >+ button >

  div >

  < p >商品单价：￥< span class = "shop-total-amount GoodsPrice" >20.00 span > p >

 div >

 < div class = "one-goods" >
  < div class = "goods-msg" >
  < label for = "" >
   < input type = "checkbox" class = "goods-check GoodsCheck" >
  label >

  < button type = "button" class = "minus" >- button >

  < input type = "text" class = "am-num-text" value = "1" />
  < button type = "button" class = "plus" >+ button >

  div >

  < p >商品单价：￥< span class = "shop-total-amount GoodsPrice" >9.90 span > p >

 div >

 < div class = "one-goods" >
  < div class = "goods-msg " >
  < label for = "" >
   < input type = "checkbox" class = "goods-check GoodsCheck" >
  label >

  < button type = "button" class = "minus" >- button >

  < input type = "text" class = "am-num-text" value = "1" />
  < button type = "button" class = "plus" >+ button >

  div >

  < p >商品单价：￥< span class = "shop-total-amount GoodsPrice" >10.00 span > p >

 div >

 < div class = "shop-total" >
  < label for = "" >
  < input type = "checkbox" class = "goods-check ShopCheck" >店铺全选 label >

  < p >本店合计：￥< span class = "shop-total-amount ShopTotal" >0 span > p >

 div >

 div >

 < div class = "one-shop" >

 < div class = "one-goods" >
  < div class = "goods-msg" >
  < label for = "" >
   < input type = "checkbox" class = "goods-check GoodsCheck" >
  label >

  < button type = "button" class = "minus" >- button >

  < input type = "text" class = "am-num-text" value = "1" />
  < button type = "button" class = "plus" >+ button >

  div >

  < p >商品单价：￥< span class = "shop-total-amount GoodsPrice" >30.00 span > p >

 div >

 < div class = "one-goods" >
  < div class = "goods-msg" >
  < label for = "" >
   < input type = "checkbox" class = "goods-check GoodsCheck" >
  label >

  < button type = "button" class = "minus" >- button >

  < input type = "text" class = "am-num-text" value = "1" />
  < button type = "button" class = "plus" >+ button >

  div >

  < p >商品单价：￥< span class = "shop-total-amount GoodsPrice" >20.00 span > p >

 div >

 < div class = "shop-total" >
  < label for = "" >
  < input type = "checkbox" class = "goods-check ShopCheck" >店铺全选 label >

  < p >本店合计：￥< span class = "shop-total-amount ShopTotal" >0 span > p >

 div >

 div >

 < div class = "all-total" >
 < label for = "" >
  < input type = "checkbox" class = "goods-check" id = "AllCheck" >全选 label >

 < p >总价合计：￥< span class = "shop-total-amount" id = "AllTotal" >0 span > p >

 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
 });

 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 >