Vue解决购物车

其他 2018-11-11 17:15:14 阅读次数: 0
版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/Ghost_leader/article/details/82527423

Vue 易用，灵活，高效。

<div id="app">
    {{ message }}
</div>
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
</body>
<script>
    var app = new Vue({
        el: '#app',
        data: {
            message: 'Hello Vue!'
        }
    })
</script>

这就是一个最简单的Vue。

灵活-渐进式。

Vue 的基础指令介绍：

指令使用 v-model v-text v-show v-if v-bind v-for v-on

v-model 的主要应用场景是 表单输入双向绑定。

v-text                                   文本渲染 等同于 {{ }} ,

v-show                                 dom的显示和隐藏

v-if                                        判断

v-bind                                   给dom元素绑定属性。

v-for                                      循环

v-on                                     事件绑定

过滤器Filter

组件 Component          

类似django，beego 的template的复用

下面是购物车代码

index.html

<!DOCTYPE html>
<html>
<head>
    <title></title>
    <meta charset="utf-8">
    <meta content="IE=dege,chrom=1" http-equiv="X-UA-Compatible">
    <meta name="viewport" content="width=device-width, initial-scale=1.0 user-scalable=no">
    <title>Cart</title>
    <link href="css/base.css" rel="stylesheet">
    <link href="css/checkout.css" rel="stylesheet">
    <link href="css/modal.css" rel="stylesheet">
    <style type="text/css">
        .quentity input {
            width: 40px;
            padding: 5px 10px;
            text-align: center;
        }
    </style>
</head>
<body>
    <div class="checkout">
      <div id="app">

        <svg style="position: absolute; width: 0; height: 0; overflow: hidden;" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
          <defs>
            <symbol id="icon-add" viewBox="0 0 32 32">
              <title>add2</title>
              <path class="path1" d="M15 17h-13.664c-0.554 0-1.002-0.446-1.002-1 0-0.552 0.452-1 1.002-1h13.664v-13.664c0-0.554 0.446-1.002 1-1.002 0.552 0 1 0.452 1 1.002v13.664h13.664c0.554 0 1.002 0.446 1.002 1 0 0.552-0.452 1-1.002 1h-13.664v13.664c0 0.554-0.446 1.002-1 1.002-0.552 0-1-0.452-1-1.002v-13.664z"></path>
            </symbol>
            <symbol id="icon-ok" viewBox="0 0 39 32">
              <title>ok</title>
              <path class="path1" d="M14.084 20.656l-7.845-9.282c-1.288-1.482-3.534-1.639-5.016-0.351s-1.639 3.534-0.351 5.016l10.697 12.306c1.451 1.669 4.057 1.623 5.448-0.096l18.168-22.456c1.235-1.527 0.999-3.765-0.528-5.001s-3.765-0.999-5.001 0.528l-15.573 19.337z"></path>
            </symbol>
            <symbol id="icon-edit" viewBox="0 0 32 32">
              <title>edit</title>
              <path class="path1" d="M25.599 11.292l-4.892-4.892 3.825-3.825 4.892 4.892-3.825 3.825zM4.732 23.308l3.959 3.959-5.939 1.98 1.98-5.939zM10.666 26.225l-4.892-4.892 13.425-13.425 4.892 4.892-13.425 13.425zM31.687 6.713l-6.4-6.4c-0.417-0.417-1.091-0.417-1.508 0l-20.267 20.267c-0.114 0.115-0.191 0.25-0.242 0.393-0.003 0.009-0.012 0.015-0.015 0.025l-3.2 9.6c-0.128 0.383-0.029 0.806 0.257 1.091 0.203 0.204 0.476 0.313 0.754 0.313 0.112 0 0.227-0.017 0.337-0.054l9.6-3.2c0.011-0.003 0.017-0.013 0.027-0.016 0.142-0.052 0.276-0.128 0.39-0.242l20.267-20.267c0.417-0.416 0.417-1.091 0-1.508v0z"></path>
            </symbol>
            <symbol id="icon-del" viewBox="0 0 26 32">
              <title>delete</title>
              <path class="path1" d="M17.723 28c0.543 0 0.984-0.448 0.984-1v-12c0-0.552-0.441-1-0.984-1s-0.985 0.448-0.985 1v12c0 0.552 0.441 1 0.985 1v0zM7.877 28c0.543 0 0.984-0.448 0.984-1v-12c0-0.552-0.441-1-0.984-1s-0.985 0.448-0.985 1v12c0 0.552 0.441 1 0.985 1v0zM12.8 28c0.543 0 0.985-0.448 0.985-1v-12c0-0.552-0.441-1-0.985-1s-0.984 0.448-0.984 1v12c0 0.552 0.441 1 0.984 1v0zM23.631 4h-5.908v-2c0-1.104-0.882-2-1.969-2h-5.908c-1.087 0-1.969 0.896-1.969 2v2h-5.908c-1.087 0-1.969 0.896-1.969 2v2c0 1.104 0.882 2 1.969 2v18c0 2.208 1.765 4 3.939 4h13.784c2.174 0 3.938-1.792 3.938-4v-18c1.087 0 1.969-0.896 1.969-2v-2c0-1.104-0.882-2-1.969-2v0zM9.846 3c0-0.552 0.441-1 0.984-1h3.938c0.544 0 0.985 0.448 0.985 1v1h-5.908v-1zM21.662 28c0 1.104-0.882 2-1.969 2h-13.784c-1.087 0-1.97-0.896-1.97-2v-18h17.723v18zM22.646 8h-19.692c-0.543 0-0.985-0.448-0.985-1s0.441-1 0.985-1h19.692c0.543 0 0.984 0.448 0.984 1s-0.441 1-0.984 1v0z"></path>
            </symbol>
            <symbol id="icon-clock" viewBox="0 0 32 32">
              <title>clock</title>
              <path class="path1" d="M29.333 16c0-7.364-5.97-13.333-13.333-13.333s-13.333 5.97-13.333 13.333c0 7.364 5.97 13.333 13.333 13.333s13.333-5.97 13.333-13.333v0 0 0 0 0 0zM0 16c0-8.837 7.163-16 16-16s16 7.163 16 16c0 8.837-7.163 16-16 16s-16-7.163-16-16zM14.667 14.667v1.333h2.667v-10.667h-2.667v9.333zM24 18.667h1.333v-2.667h-10.667v2.667h9.333z"></path>
            </symbol>
          </defs>
        </svg>

        <div class="container">
          <div class="cart">
            <div class="checkout-title">
              <span>{{title}}</span>
            </div>

            <!-- table -->
            <div class="item-list-wrap">
              <div class="cart-item">
                <div class="cart-item-head">
                  <ul>
                    <li>商品信息</li>
                    <li>商品金额</li>
                    <li>商品数量</li>
                    <li>总金额</li>
                    <li>编辑</li>
                  </ul>
                </div>
                <ul class="cart-item-list">
                  <li v-for="(item,index) in productionList">
                    <div class="cart-tab-1">
                      <div class="cart-item-check">
                        <a href="javascript:void 0" class="item-check-btn" v-bind:class="{'check':item.checked}" @click="selectProduct(item)">
                          <svg class="icon icon-ok"><use xlink:href="#icon-ok"></use></svg>
                        </a>
                      </div>
                      <div class="cart-item-pic">
                        <img v-bind:src="item.productImage" alt="烟">
                      </div>
                      <div class="cart-item-title">
                        <div class="item-name">{{item.productName}}</div>
                      </div>
                      <div class="item-include">
                        <dl>
                          <dt>赠送:</dt>
                          <dd v-for="part in item.parts" v-text="part.partsName"></dd>
                        </dl>
                      </div>
                    </div>
                    <div class="cart-tab-2">
                      <div class="item-price">{{item.productPrice | formatMoney('元')}}</div>
                    </div>
                    <div class="cart-tab-2">
                      <div class="item-quantity">
                        <div class="select-self select-self-open">
                          <div class="quantity">
                            <a href="javascript:;" @click="changeMoney(item,-1)">-</a>
                            <input type="text" value="0" disabled v-model="item.productQuantity">
                            <a href="javascript:;" v-on:click="changeMoney(item,1)">+</a>
                          </div>
                        </div>
                        <div class="item-stock">有货</div>
                      </div>
                    </div>
                    <div class="cart-tab-4">
                      <div class="item-price-total">{{item.productPrice*item.productQuantity | formatMoney('元') }}</div>
                    </div>
                    <div class="cart-tab-5">
                      <div class="cart-item-operation">
                        <a href="javascript:void 0" class="item-edit-btn" @click="delConfirm(item)">
                          <svg class="icon icon-del"><use xlink:href="#icon-del" ></use></svg>
                        </a>
                      </div>
                    </div>
                  </li>
                </ul>
              </div>
            </div>

            <!-- footer -->
            <div class="cart-foot-wrap">
              <div class="cart-foot-l">
                <div class="item-all-check">
                  <a href="javascript:void 0">
                    <span class="item-check-btn" :class="{'check':checkAllFlag}" @click="checkAll(true)"> <!-- v-bind  click 里面可以写表达式 或三元表达式 -->
                      <svg class="icon icon-ok"><use xlink:href="#icon-ok"></use></svg>
                    </span>
                    <span>全选</span>
                  </a>
                </div>
                <div class="item-all-del">
                  <a href="javascript:void 0" class="item-del-btn" @click="checkAll(false)">
                    <span>取消全选</span>
                  </a>
                </div>
              </div>
              <div class="cart-foot-r">
                <div class="item-total">
                  Item total: <span class="total-price">{{totalMoney | formatMoney('元')}}</span>
                </div>
                <div class="next-btn-wrap">
                  <a href="address.html" class="btn btn--red" style="width: 200px">结账</a>
                </div>
              </div>
            </div>
          </div>
        </div>

        <div class="md-modal modal-msg md-modal-transition" id="showModal" :class="{'md-show':delFlag}">
          <div class="md-modal-inner">
            <div class="md-top">
              <button class="md-close" @click="delFlag=false">关闭</button>
            </div>
            <div class="md-content">
              <div class="confirm-tips">
                <p id="cusLanInfo">你确认删除此订单信息吗?</p>
              </div>
              <div class="btn-wrap col-2">
                <button class="btn btn--m" id="btnModalConfirm" @click="delProduct()">Yes</button>
                <button class="btn btn--m btn--red" id="btnModalCancel" @click="delFlag=false">No</button>
              </div>
            </div>
          </div>
        </div>
        <div class="md-overlay" v-if="delFlag"></div>
      </div>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script src="js/lib/vue-resource.js"></script>
    <script src="js/cart.js"></script>
</body>
</html>

cert.js

var app=new Vue({
   el:"#app",
   data:{
       title:'购物车',
       productionList:[],
       totalMoney:0,
       checkAllFlag:false,
       delFlag:false,
       curProduct:''
   },
   filters:{
       formatMoney: function (value,type) {
           return "￥" +value.toFixed(2)+type;
       }
   },
   mounted:function () {
       this.$nextTick(function () {
           this.productListView();
       })
   },
   methods:{
       productListView: function () {
           let _this = this;
           // this.$http.get("data/cartData.json",{}).then(function (res) {//{id:"1"} 是请求的参数，不需要可以不用写
           //      _this.productionList = res.data.result.list;
           // });
           this.$http.get("data/cartData.json",{}).then(res=>{   //es6的箭头函数
               this.productionList = res.data.result.list;
           })
        },
       changeMoney: function (product,way) {
           if(way>0){
               product.productQuantity++;
           }else{
               if(product.productQuantity > 1){
                   product.productQuantity--;
               }
           }
           this.calcTotalPrice();
       },
       selectProduct: function (item) {
           if(typeof item.checked == 'undefined'){   //造一个字段
               Vue.set(item,"checked",true);         //全局注册一个字段
               //this.$set()                           //局部注册
           }else{
               item.checked = !item.checked;
           }
           this.calcTotalPrice();
       },
       checkAll: function (flag) {
           this.checkAllFlag = flag;
           var _this = this;
           this.productionList.forEach(function (item,index) {
               if(typeof item.checked == 'undefined'){   //造一个字段
                   _this.$set(item,"checked",_this.checkAllFlag);
               }else{
                   item.checked = _this.checkAllFlag;
               }
           });
           this.calcTotalPrice()
       },
       calcTotalPrice: function () {
           var _this = this;
           this.totalMoney = 0;
           this.productionList.forEach(function (item,index) {
               if(item.checked){   //造一个字段
                   _this.totalMoney += item.productPrice*item.productQuantity
               }
           })
       },
       delConfirm:function (item) {
           this.delFlag = true;
           this.curProduct = item;
       },
       delProduct:function () {
           var index = this.productionList.indexOf(this.curProduct);
           this.productionList.splice(index,1);
           this.delFlag = false;
       }
   }
});

Vue.filter("money",function (value,type) {
   return "￥" +value.toFixed(2)+type;
});

参考 https://github.com/jgchenu/vue-shopcar

原作者的代码下下来好像有些不可用，下面是我的

https://github.com/weijiaxiang007/vue-shopcart

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转载自blog.csdn.net/Ghost_leader/article/details/82527423
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