angularjs實現的購物車效果程式碼例項

admin發表於2017-04-17
AngularJS

分享一段程式碼例項，它實現了購物車效果，能夠實時計算商品的總價格。

並且選中產品的時候，有相關樣式的變化，程式碼例項如下:

[HTML] 純文字檢視 複製程式碼
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>螞蟻部落</title>
<script type="text/javascript" src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.js"></script>
<style type="text/css">
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: 62.6%;
  font-family: "Microsoft Yahei",sans-serif;
  line-height: 1;
}
a {
  text-decoration: none;
  color: grey;
}
ul, li {
  list-style: none;
}
.checkbox {
  vertical-align: middle;
  display: inline-block;
  width: 20px;
  height: 20px;
  position: relative;
}
.checkbox .box {
  border-radius: 4px;
  position: absolute;
  display: block;
  width: 20px;
  height: 20px;
  border: 2px solid #ccc;
  transition: all 0.5s;
}
.checkbox input[type="checkbox"] {
  position: absolute;
  z-index: 10;
  opacity: 0;
}
.checkbox input:checked + .box {
  border-color: red;
}
.checkbox input:checked + .box::after {
  position: absolute;
  display: block;
  content: ' ';
  width: 10px;
  height: 10px;
  background-color: red;
  top: 3px;
  left: 3px;
}
body {
  font-size: 1.4rem;
}
.wrap {
  margin-top: 3rem;
}
.wrap ul {
  display: block;
  width: 100%;
  margin-bottom: 3rem;
}
.wrap li {
  margin: 1rem auto;
  text-align: center;
  width: 20rem;
  height: 16rem;
  padding: 1rem;
  border: 0.4rem solid #ccc;
  border-radius: 0.8rem;
  transition: all 0.5s;
}
.wrap li.active {
  border-color: rgb(218, 30, 30);
}
.contentW {
  font-size: 1.6rem;
  height: 3.2rem;
  text-align: left;
}
.buttonW a {
  display: inline-block;
  padding: 0.8rem 0.6rem;
  background-color: rgb(218, 30, 30);
  color: #fff;
  font-size: 1.6rem;
  border-radius: 0.4rem;
}
.buttonW .addc {
  vertical-align: middle;
  display: inline-block;
}
a.calc {
  display: inline-block;
  vertical-align: middle;
  border: 1px solid #999;
  width: 22px;
  height: 22px;
  text-align: center;
}
.contentW span {
  display: inline-block;
  vertical-align: middle;
}
.buttonW a.cancel {
  background-color: #FFE47C;
}
.price {
  display: table;
  margin: 0 auto;
}
.price p {
  font-size: 1.8rem;
}
.price a {
  display: inline-block;
  background: rgb(218,30,30);
  padding: 0.8rem 2rem;
  margin-left: 1rem;
  color: #fff;
  border-radius: 0.8rem;
}
a.nobuy {
  border-color: #eee;
  background-color: #ccc;
}
</style>
</head>
<body>
  <div class="container" ng-app="cartApp" ng-controller="cartCtrl">
    <div class="wrap">
      <ul>
        <li class="{{fruit.buy?'active':''}}" ng-repeat="fruit in fruits" item={{fruit.id}}>
          <p class="contentW">
            名稱：{{fruit.name}}
          </p>
          <p class="contentW">
            單價：{{fruit.price}}
          </p>
          <p class="contentW">
            數量：
            <a href="javascript:;" class="calc {{fruit.num<=1?'nobuy':''}}" ng-click="overdue(fruit.id)">-</a>
            <span>{{fruit.num}}</span>
            <a href="javascript:;" class="calc {{fruit.num>=10?'nobuy':''}}" ng-click="add(fruit.id)">+</a>
          </p>
          <div class="buttonW">
            <div class="checkbox">
              <input type="checkbox" id="{{fruit.id}}" ng-model="fruit.buy">
              <span class="box"></span>
            </div>
            <label class="addc" for="{{fruit.id}}">新增到購物車</label>
          </div>
        </li>
 
      </ul>
      <div class="price">
        <p>
          總價：{{totalPrice()}}
 
          <a href="javascript:;">去結算</a>
        </p>
      </div>
    </div>
  </div>
<script type="text/javascript">
var fruits = [{
  id: 'fruit1',
  name: "蘋果",
  price: "10",
  num: 1,
  buy: false
}, {
  id: 'fruit2',
  name: "香蕉",
  price: "1",
  num: 1,
  buy: false
}, {
  id: 'fruit3',
  name: "橘子",
  price: "20",
  num: 1,
  buy: false
}];
 
angular.module('cartApp', [])
  .controller('cartCtrl', function($scope) {
    //取出水果
    $scope.fruits = fruits;
 
    //點選-事件
 
 
    $scope.overdue = function(id) {
      angular.forEach($scope.fruits, function(value, key) {
        if (value.id == id && value.num > 1) {
          $scope.fruits[key].num--;
        }
      });
    }
 
    $scope.add = function(id) {
      angular.forEach($scope.fruits, function(value, key) {
        if (value.id == id && value.num < 10) {
          $scope.fruits[key].num++;
        }
      });
    }
 
    $scope.totalPrice = function() {
      $scope.total = 0;
      angular.forEach($scope.fruits, function(value, key) {
        if (value.buy) {
          $scope.total = $scope.total + value.price * value.num;
        }
      });
      console.log($scope.total)
      return $scope.total;
    }
  });
</script>
</body>
</html>

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