git commit -a -m "M 1、引入mixin，公共样式mixin传参处理；";git push origin master:master

<script>
  import wepy from 'wepy'
  import api from '../api/api'
  export default class recharge extends wepy.page {
    config = {
      navigationBarTitleText: '账户充值'
    }
    data = {
      notHere: {},
      apiRes: {},
      amountTab: {
        currentType: '0',
        amountType: [
          [1000, 0],
          [2000, 200],
          [5000, 1000],
          [10000, 3000]
        ],
        payType: 0
      }
    }
    async getAccountBalance() {
      const backEndRequire = {
        method: 'POST',
        header: {
          'Content-Type': 'application/x-www-form-urlencoded'
        }
      }
      let q = backEndRequire
      q.query = {
        uid: this.$parent.UID.uid,
      }
      const r = await api.getAccountBalance(q)
      this.apiRes.AccountBalance = r.data.data
      this.$apply()
    }
    onLoad() {
      this.notHere.commonCfg = wepy.$appConfig.common
      this.getAccountBalance()
    }
    phoneCall(e) {
      wx.makePhoneCall({
        phoneNumber: e.currentTarget.dataset.replyPhone,
        success() {}
      })
    }
    onTap(e) {
      const k = e.currentTarget.dataset.key
      const v = e.currentTarget.dataset.val
      this.amountTab[k] = v
    }
  }
</script>
<template>
  <view class="root_">
    <view>
      <view>
        <view>账户余额
          <text class="question-mark">?</text>
        </view>
        <view>
          <view class="balance"><text>￥</text><text class="balance-num"> {{apiRes.AccountBalance['1'].val}} </text> <text>币</text></view>
        </view>
      </view>
      <view>
        <view>充值金额</view>
        <repeat for="{{amountTab.amountType}}" key="index" index="index" item="item">
          <view class="amount-item" @tap="onTap" data-key="currentType" data-val={{index}}>
            <view class=" {{index===amountTab.currentType ? 'amount-item_select-after' :''}}">
              <view>
                <view class="amountType-gift">{{index===0 ? ' ': '送'+item[1]+'币'}}</view>
                <view class="amountType-exchange-rate">
                  <!-- 官方不建议span -->
                  <text>{{item[0]}}</text><text>元</text>=<text>{{item[0]+item[1]}}</text><text>币</text>
                </view>
              </view>
            </view>
          </view>
          <view class="{{index%2===1 ? 'amountType-separation': ''}}"></view>
        </repeat>
      </view>
    </view>
    <view>支付方式</view>
    <view class="pay-type">
      <view class="payType_img-separation">
        <view class="pay-type_select-before  {{amountTab.payType === '0' ? 'pay-type_select-after' : ''}}">
          <image @tap="onTap" data-key="payType" data-val="0" class="pay-type_img-width-height" src="{{notHere.commonCfg.localImgPath}}payWeixin.jpg"></image>
        </view>
      </view>
      <view class="payType_img-separation">
        <view class="pay-type_select-before  {{amountTab.payType === '1'  ? 'pay-type_select-after' : ''}}">
          <image @tap="onTap" data-key="payType" data-val="1" class="pay-type_img-width-height" src="{{notHere.commonCfg.localImgPath}}payAli.jpg"></image>
        </view>
      </view>
    </view>
    <view>
      <view class="pay-number">应付金额
        <text>{{amountTab.amountType[amountTab.currentType][0]}}</text>元
      </view>
    </view>
    <view>
      <button class="weui-btn weui-btn_mini weui-btn_primary recharge_button">立即充值</button>
    </view>
    <view class="contact">购买套餐,一键咨询：
      <text class="phone-number" data-reply-phone="075512345678" bindtap="phoneCall">0755-12345678</text>
    </view>
  </view>
</template>
<style lang="less">
  // WXSS · 小程序 https://developers.weixin.qq.com/miniprogram/dev/framework/view/wxss.html
  @wx-width: 750rpx; // TODO 全局统一；2018年10月2日 16:29:42
  @wx-width_px: 750;
  @wx-width_one-unit: @wx-width/750;
  @color-main_red: #F00;
  @color-main_blue: #2CABE2;
  @color-main_gray: #ADADAD;
  @page-padding-horizontal: @wx-width_one-unit*12;
  @wx-width_subtract-padding-width: @wx-width - @page-padding-horizontal*2;
  @common_border-width: @wx-width_one-unit; // 选中项的边框
  @common_select-after-font-size: @wx-width_one-unit*24; // 选中项的after-content字体大小
  .root_ {
    padding: @page-padding-horizontal;
  }
  .balance {
    font-size: @wx-width_one-unit*25;
    .balance-num {
      font-weight: normal;
      color: @color-main_red;
    }
  }
  .question-mark {
    border: @wx-width_one-unit solid @color-main_gray;
    color: @color-main_gray;
    border-radius: 50%;
    text-align: center;
  }
  .mixin-item_select-before() {
    border: @common_border-width solid @color-main_gray;
  } // 没有点击选中的公共样式；
  .mixin-item_select-after(@font-size: @common_select-after-font-size, @margin-top: @common_select-after-font-size) {
    display: block;
    float: right;
    content: "√";
    background-color: @color-main_blue;
    color: #fff;
    border-radius: 50%;
    font-size: @font-size;
    margin-top: -@margin-top;
  } // 点击选中后的公共样式；
  .amount-item {
    display: inline-flex; // 此处要计算  48%； 同图片计算方法
    @amountType-separation-margin-width: 0.2;
    width: 45%;
    border: @common_border-width solid @color-main_gray;
    .amountType-separation {
      margin: 0 @amountType-separation-margin-width;
    }
    .mixin-block-float(@f: right) {
      display: block;
      float: @f;
    }
    .amountType-gift {
      .mixin-block-float(@f: right);
      background-color: @color-main_red;
      border-radius: 50%;
      color: #fff;
    }
    .amountType-exchange-rate {
      .mixin-block-float(@f: left);
      @v: 700;
      text:nth-last-child(2) {
        color: @color-main_red;
        font-weight: @v;
      }
      text:nth-child(1) {
        font-weight: @v;
      }
    }
  }
  .amount-item_select-after {
    border: @common_border-width solid @color-main_blue;
    &:after {
      .mixin-item_select-after(@font-size: @common_select-after-font-size, @margin-top: @common_select-after-font-size);
    }
  }
  .pay-type {
    @pay-type_2imgs_padding-width : @wx-width_subtract-padding-width*0.1; // 并排的2张图的区域的外围边框
    @pay-type_border-width: @common_border-width; // 图片被点击后的新增边框宽度
    @pay-type_img-available-width: @wx-width_subtract-padding-width - @pay-type_2imgs_padding-width*2 - @pay-type_border-width*2; // 待布局图片的区域
    @pay-type_imgs_width-share: 0.6; // 图片宽度份额，其他留作2张图片间的水平margin；使用margin的原因是点击选中后围绕图片外围加载边框；
    @pay-type_img-margin-width: @pay-type_img-available-width*(1- @pay-type_imgs_width-share)/4; // 2张图之间的margin宽度
    @pay-type_img-render-width: @pay-type_img-available-width*@pay-type_imgs_width-share/2; // 图片最终被渲染的宽度
    @pay-type_img-width-divide-height: 98/40; // 原图 宽度 高度  98 40 像素 96*96 dpi;// 原2张图宽高像素比相同；//image-height("file.png")；
    @pay-type_img-render-height: @pay-type_img-render-width/@pay-type_img-width-divide-height; // 保持图片宽高比,图片最终被渲染的高度
    @pay-type_amount-item_select-after-font-size: @common_select-after-font-size;
    display: inline-flex;
    padding: 0 @pay-type_2imgs_padding-width;
    height: @pay-type_img-render-height + @pay-type_border-width;
    .pay-type_img-width-height {
      width: @pay-type_img-render-width;
      height: @pay-type_img-render-height;
    }
    .payType_img-separation {
      margin: 0 @pay-type_img-margin-width;
    }
    .pay-type_select-before {
      .mixin-item_select-before()
    }
    .pay-type_select-after {
      border: @pay-type_border-width solid @color-main_blue;
      &:after {
        .mixin-item_select-after(@font-size: @common_select-after-font-size, @margin-top: @common_select-after-font-size);
      }
    }
  }
  .contact {
    text-align: center;
    .phone-number {
      color: @color-main_blue;
    }
  }
  .recharge_button {
    width: 90%;
    border-radius: @wx-width_one-unit*8;
    background-color: @color-main_blue;
    color: #fff;
  }
</style>