小程序flex佈局

<view class="page__bd page__bd_spacing">
    <view class="weui-flex">
        <view class="weui-flex__item">
            <view class="placeholder">weui</view>
        </view>
        <view>
            <view class="placeholder">weui</view>
        </view>
    </view>
</view>

.page__bd {
    padding-bottom: 10px;
}

.weui-flex {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
}
.weui-flex__item {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
          flex: 1;
}

.placeholder{
    margin: 5px;
    padding: 0 10px;
    text-align: center;
    background-color: #EBEBEB;
    height: 2.3em;
    line-height: 2.3em;
    color: #cfcfcf;
}