微信小程序问题汇总及详解《三》picker 增、删

作者：JoyJin，来自授权地址

1. <block wx:for="{{salesList}}" wx:for-index="index" wx:key="id" wx:for-item="item">
2. <view class="con_txt">
3. <view class="con_txt1" style="margin-left:30rpx;width:140rpx">销售品申请</view>
4. <view class="con_txt1 con_txt2">
5. <view class="section">
6. <picker bindchange="bindPickerChange" value="{{item.option}}" range="{{objectArray}}" range-key="good_name" data-id="{{objectArray[item.option].id}}" data-index="{{index}}">
7. <view class="picker" style="height:70rpx;position:relative">
8. {{objectArray[item.option].good_name}}
9. <image src="../Image/select.png" style="width:40rpx;height:40rpx;position:absolute;left:80%;top:20%;"></image>
10. </view>
11. </picker>
12. </view>
13. </view>
14. <view class="con_txt1">
15. <view class="section2">
16. <input