update 购物车加载速度

xuxueyang

2024-09-02 edf50893285f13c7c975b376a70ac3b164f48a13

 sub_pages/customer/shopping/shopping.vue

@@ -1,22 +1,591 @@
<template>
   <view>
		
   <view class="shopping-container">
      <view class="top-title"><span class="t-red">*</span> 花满芫报价已包含打包材料费、交易佣金
      </view>
      <view class="top-desc">
         全程鲜花冷链专线，时效快，损耗小
      </view>
      <view class="flex top-kf">
         <image class="icon-clock m-r-6" src="../../../static/common/icon-kf.png"></image>
         <view class="name">
            15974805814
         </view>
         <view class="m-l-a m-r-0">
            <uni-icons v-if="list&&list.length>0" type="trash" size="28" @click="batchDelete"></uni-icons>
         </view>
      </view>
      <view class="">
         <no-data v-if="!list||list.length===0" style="width: 100%;"></no-data>
         <view class="shopping-item m-t-20" v-for="(item,index) of list" :key="index">
            <view class="sup-title">
               <radio :checked="ids.indexOf('supplier@'+item.supplierId)>=0" @click="changeItem(item,'supplier')">
               </radio>
               {{ item.supplierName || '-' }}
            </view>
            <u-divider></u-divider>
            <view v-for="(dto,j) of item.flowerList" :key="dto.id">
               <u-divider v-if="j>0"></u-divider>
               <u-swipe-action>
                  <u-swipe-action-item :options="options1" @click="(e)=>{clickSwipeButton(dto,true)}">
                     <view class="item-each flex">
                        <radio :checked="ids.indexOf(dto.id)>=0" @click="changeItem(dto,'flower')"></radio>
                        <image class="img img100 m-r-6 br-4" :lazy-load="true"
                           :class="[!dto.stock?'component-stock-zero':'']" :src="dto.url||dto.cover"></image>
                        <view class="flex1">
                           <view class="title" @click.stop="toDetail(dto)"><span class="m-r-5"
                                 style="display: inline-block;">{{dto.categoryStr||''}}</span><span
                                 v-if="dto.levelStr" class="m-r-5"
                                 style="display: inline-block;">{{ dto.levelStr || '' }}</span>{{ dto.name || '-' }}
                           </view>
                           <view class="price" @click.stop="toDetail(dto)">
                              {{ dto.price || '-' }}元/扎
                           </view>
                           <view class="flex">
                              <view class="desc  flex p-t-5" @click.stop="toDetail(dto)">
                                 <view class="m-r-15">剩余:{{ dto.stock || 0 }}</view>
                                 <view class="m-r-15">颜色:{{ dto.color || '-' }}</view>
                              </view>
                              <view class="button-icons flex m-l-a m-r-0">
                                 <uni-icons v-if="dto.num&&dto.num>=1" type="minus" size="32"
                                    @click.stop="addnum(dto,-1)"></uni-icons>
                                 <view class="curnums" @click.stop="updateItemNum(dto)"
                                    v-if="dto.num&&dto.num>=1">{{ dto.num }}</view>
                                 <uni-icons type="plus-filled" size="32"
                                    @click.stop="addnum(dto,1)"></uni-icons>
                              </view>
                           </view>
                        </view>
                     </view>
                  </u-swipe-action-item>
               </u-swipe-action>
            </view>


         </view>

      </view>
      <view style="min-height:140rpx;background-color: #fff;">
      </view>
      <view class="bottom-price flex">
         <view class="m-t-12">
            <radio :checked="checkall" @click="selectAll"></radio>
            全选
         </view>
         <view class="m-t-12 m-l-a m-r-20 text-center">
            合计 <span class="t-red">￥ {{ totalprice || 0 }}</span> 元
         </view>
         <view class="button-green-1 m-l-a m-r-0" style="min-width: 240rpx" @click="submitPay">
            提交订单
         </view>
      </view>
      <view style="min-height:140rpx">
      </view>
      <common-footer flg="2"></common-footer>
   </view>
</template>

<script>
   import http from "../../../plugins/http";

   export default {
      data() {
         return {
				
            tel: '15974805814',
            ids: [],
            checkall: false,
            options1: [{
               text: '删除'
            }],
            list: []
         }
      },
      onShow() {
         // if (this.sign['shopping']) {

         // }
         this.init()
      },
      mounted() {
         // this.init()
      },
      async onPullDownRefresh() {
         await this.init()
         uni.stopPullDownRefresh()
      },
      computed: {
         totalprice() {

            let totalprice = 0
            if (this.ids.length > 0) {
               this.list && this.list.forEach(dto => {
                  dto.flowerList && dto.flowerList.forEach(item => {
                     if (this.ids.indexOf(item.id) >= 0) {
                        totalprice += item.price * item.num
                     }
                  })
               })
            }

            return totalprice.toFixed(2)
         },
      },
      methods: {
			

         async batchDelete() {
            // /api/customer/flower/cart/delete/batch
            var arr = []

            for (var id of this.ids) {
               console.log('id', id)
               if (('' + id).startsWith('supplier@')) {

               } else {
                  arr.push(parseInt(id))
               }
            }

            if (arr.length == 0) {
               this.$message.showToast('请选择需要删除的商品')
               return
            }

            await this.$message.confirm(`是否批量删除这${arr.length}个商品`)


            this.$message.showLoading()
            const {
               code
            } = await this.$http.request('post', '/api/customer/flower/cart/delete/batch', {
               data: {
                  ids: arr,
               }
            })
            this.$message.hideLoading()
            if (code === 0) {
               this.$store.dispatch('sign_add', 'shopnum');
               this.ids = []
               this.checkall = false
               this.init()
            }




         },
         async submitPay() {
            // order/confirm/info
            var arr = []
            for (var j = 0; j < this.list.length; j++) {
               if (!this.list[j].flowerList) {
                  continue
               }
               for (var k = 0; k < this.list[j].flowerList.length; k++) {
                  if (this.ids.indexOf(this.list[j].flowerList[k].id) >= 0) {
                     arr.push({
                        id: this.list[j].flowerList[k].id,
                        num: this.list[j].flowerList[k].num
                     })
                  } else {
                     // console.log('skip', arr, this.list.flowerList[j],this.list.flowerList[j].id)
                  }
               }

            }
            if (arr.length < 1) {
               console.log('请选择商品', arr, this.ids)
               this.$message.showToast('请选择商品')
               return
            }
            this.$message.showLoading()
            const {
               code,
               data
            } = await this.$http.request('post', '/api/customer/flower/order/confirm/info', {
               data: {
                  flowers: arr,
               }
            })
            let that = this
            if (code === 0) {
               that.$message.hideLoading()
               that.$storage.setItem('_cache_shopping_dto', JSON.stringify(data))
               uni.navigateTo({
                  url: '/sub_pages/customer/shopping/confirm'
               })
            } else {
               //提示消失快
               setTimeout(() => {
                  that.$message.hideLoading()
               }, 2000)
            }

         },
         async clickSwipeButton(item, check) {
            // console.log('clickSwipeButton', e)
            //删除商品，重新加载数据？
            if (check) {
               await this.$message.confirm('是否删除商品')

            }

            this.$message.showLoading()
            const {
               code
            } = await this.$http.request('get', '/api/customer/flower/cart/delete', {
               params: {
                  id: item.id,
               }
            })
            this.$message.hideLoading()
            if (code === 0) {
               this.$store.dispatch('sign_add', 'shopnum');

               if (this.ids.indexOf(item.id) >= 0) {
                  this.ids.splice(this.ids.indexOf(item.id), 1)
               }
               for (var i = 0; i < this.list.length; i++) {
                  if (this.list[i].supplierId === item.supplierId) {
                     // this.list[i].flowerList.splice(i, 1)
                     if (this.list[i].flowerList.length === 1) {
                        if (this.ids.indexOf('supplier@' + this.list[i].supplierId) >= 0) {
                           this.ids.splice(this.ids.indexOf('supplier@' + this.list[i].supplierId), 1)
                        }
                        this.list[i].flowerList.splice(0, 1)
                        this.list.splice(i, 1)
                     } else {
                        //只需要清楚这个元素
                        var k = -1
                        for (var j = 0; j < this.list[i].flowerList.length; j++) {
                           if (this.list[i].flowerList[j].id === item.id) {
                              k = j;
                              break
                           }
                        }
                        this.list[i].flowerList.splice(k, 1)
                     }
                     this.$forceUpdate()
                     break
                  }
               }
               // console.log('this.list', this.list)
               // 解决滑动的swipe不自动关闭的问题
               if (check) {
                  let arr = this.list
                  this.list = []
                  this.$nextTick(() => {
                     this.list = arr
                  })
               }


            }
         },

         selectAll() {
            console.log('selectAll', this.checkall)
            if (this.checkall) {
               this.ids = []
               this.checkall = false
               // this.$forceUpdate()
            } else {
               this.list.forEach(dto => {
                  if (this.ids.indexOf(dto.id) < 0) {
                     this.ids.push(dto.id)
                  }
                  dto.flowerList.forEach(item => {
                     if (this.ids.indexOf(item.id) < 0) {
                        this.ids.push(item.id)
                     }
                  })
                  if (this.ids.indexOf('supplier@' + dto.supplierId) < 0) {
                     this.ids.push('supplier@' + dto.supplierId)
                  }
               })
               this.checkall = true
            }
         },
         changeItem(dto, type) {
            console.log('click changeItem', dto, type, this.ids)
            if (type === 'supplier') {
               //全选上
               if (this.ids.indexOf('supplier@' + dto.supplierId) < 0) {
                  this.ids.push('supplier@' + dto.supplierId)
                  dto.flowerList.forEach(item => {
                     if (this.ids.indexOf(item.id) < 0) {
                        this.ids.push(item.id)
                     }
                  })
                  //如果所有的话都悬赏了，设置为return true;
                  var tmpSelectAll = true
                  for (var i = 0; i < this.list.length; i++) {
                     for (var j = 0; j < this.list[i].flowerList.length; j++) {
                        if (this.ids.indexOf(this.list[i].flowerList[j].id) < 0) {
                           tmpSelectAll = false
                           break
                        }
                     }

                  }
                  this.checkall = tmpSelectAll


               } else {
                  this.checkall = false
                  this.ids.splice(this.ids.indexOf('supplier@' + dto.supplierId), 1)
                  console.log('this.ids splice', this.ids)
                  dto.flowerList.forEach(item => {
                     this.ids.splice(this.ids.indexOf(item.id), 1)
                  })
               }

            } else {
               //更换个人的
               if (this.ids.indexOf(dto.id) < 0) {
                  this.ids.push(dto.id)
                  var has = true

                  //判断如果都有，那么顶部的按钮也勾选上
                  for (var i = 0; i < this.list.length; i++) {
                     if (this.list[i].supplierId === dto.supplierId) {
                        for (var j = 0; j < this.list[i].flowerList.length; j++) {
                           if (this.ids.indexOf(this.list[i].flowerList[j].id) < 0) {
                              has = false
                              break
                           }
                        }
                        break
                     }
                  }
                  if (has) {
                     if (this.ids.indexOf('supplier@' + dto.supplierId) < 0) {
                        this.ids.push('supplier@' + dto.supplierId)
                        this.$forceUpdate()
                     }

                  } else {
                     console.log('has', this.ids, dto)
                  }
                  //如果所有的话都悬赏了，设置为return true;
                  var tmpSelectAll = true
                  for (var i = 0; i < this.list.length; i++) {
                     for (var j = 0; j < this.list[i].flowerList.length; j++) {
                        if (this.ids.indexOf(this.list[i].flowerList[j].id) < 0) {
                           tmpSelectAll = false
                           break
                        }
                     }

                  }
                  this.checkall = tmpSelectAll

               } else {
                  this.checkall = false

                  if (this.ids.indexOf(dto.id) >= 0) {
                     this.ids.splice(this.ids.indexOf(dto.id), 1)
                  }
                  //还要删除供应商的id
                  if (this.ids.indexOf('supplier@' + dto.supplierId) >= 0) {
                     this.ids.splice(this.ids.indexOf('supplier@' + dto.supplierId), 1)
                  }

               }

            }
         },
         async updateItemNum(item) {
            const res = await this.$message.confirm('', {
               editable: true,
               title: '请输入想要购买的数量'
            })
            if (res.content && res.confirm) {
               // 发送请求
               var t = parseInt(res.content)
               if (isNaN(t) || t < 0) {
                  this.$message.showToast('数目需要大于等于0')

               } else {
                  if (!item.stock || t > item.stock) {
                     this.$message.showToast('库存不足无法修改')
                     return
                  }
                  this.addnum(item, (t - item.num))

               }
            } else {

            }
         },
         async addnum(dto, addnum) {
            if (dto.num + addnum >= 0) {

            } else {
               console.log('addnum', dto, addnum)
               return
            }
            if (!dto.stock) {
               dto.stock = 0
            }
            if (addnum > 0 && dto.num + addnum > dto.stock) {
               this.$message.showToast('库存不足，无法修改')
               return
            }
            this.$message.showLoading()
            const {
               code
            } = await this.$http.request('post', '/api/customer/flower/cart/change-num', {
               data: {
                  id: dto.id,
                  num: addnum
               }
            })
            this.$message.hideLoading()
            if (code === 0) {
               dto.num += addnum
               if (dto.num < 1) {
                  //id删除清空，并且
                  await this.clickSwipeButton(dto, false)
                  // await this.init()
               }
               this.$store.dispatch('sign_add', 'shopnum');
               this.$forceUpdate()
            }
         },
         async init() {

            this.ids = []
            this.checkall = false

            if (!this.currentInfo.id) {
               this.$message.showToast('请先登录')
               return
            }
            if (!this.currentInfo.customerDTO) {
               this.$message.showToast('请先前往个人中心补充个人信息')
               return
            }
            this.$store.dispatch('sign_clear', 'shopping');

            this.$message.showLoading()
            const {
               code,
               data
            } = await this.$http.request('get', '/api/customer/flower/cart/list', {})
            this.$message.hideLoading()
            this.list = []
            if (code === 0) {
               this.list = data || []
               this.$forceUpdate()
            }
         },
         toDetail(dto) {
            uni.navigateTo({
               url: '/sub_pages/customer/trade/detail?id=' + dto.id
            })
         }
      }
   }
</script>

<style>
<style lang="scss" scoped>
   .shopping-container {
      background-color: rgba(255, 255, 255, 0.4);
      padding: 20rpx 30rpx;

</style>
      .bottom-price {
         position: fixed;
         background-color: #ffffff;
         left: 0rpx;
         padding: 20rpx;
         right: 0rpx;
         // bottom: 160rpx;
         bottom: 120rpx;
         z-index: 11;
      }

      .shopping-item {
         padding: 28rpx 22rpx;
         position: relative;
         background-color: #ffffff;

         .sup-title {
            margin-left: 10rpx;
            margin-top: 10rpx;
         }

         .item-each {
            padding-left: 40rpx;

            .img {
               width: 124rpx;
               height: 124rpx;
            }

            .title {
               font-weight: 600;
               font-size: 28rpx;

               color: #000000;
               line-height: 40rpx;

               .level {
                  color: #20613D;
               }
            }

            .price {
               font-weight: 400;
               font-size: 28rpx;
               color: #CF0000;
               line-height: 40rpx;
            }

            .desc {
               font-weight: 400;
               font-size: 24rpx;
               color: #666666;
               line-height: 34rpx;
            }
         }

         .button-icons {
            //position: absolute;
            //z-index: 10;
            line-height: 40rpx;

            .curnums {
               padding-left: 20rpx;
               padding-right: 20rpx;
            }
         }
      }

      .top-title {
         font-size: 32rpx;
         color: #000000;
         line-height: 40rpx;
      }

      .top-desc {
         font-size: 28rpx;
         color: #666666;
         line-height: 40rpx;
      }

      .top-kf {
         background: linear-gradient(270deg, rgba(219, 244, 229, 0) 0%, #D5ECDE 100%);
         border-radius: 8rpx;
         font-weight: 400;
         font-size: 24rpx;
         margin-top: 10rpx;
         color: #20613D;
         line-height: 52rpx;
         height: 52rpx;
         padding-left: 26rpx;

         .icon-clock {
            margin-top: 12rpx;
         }
      }
   }
</style>