前端代码是这样写的：

<view class=“table” wx:if="{{contentlist.length>0}}">

<view class=“tr”>

<view class=“th”>Select <checkbox bindtap=“selectall”/></view>

<view class=“th”>Inquiry</view>

<view class=“th”>Designation</view>

</view>

<checkbox-group bindchange=“checkboxChange”>

<view class=“tr” wx:for="{{contentlist}}" wx:for-item=“item” wx:key=“tpid”>

<view class=“td”><checkbox value="{{item.tpid}}" checked="{{item.checked}}"/></view>

<view class=“td”><navigator url="/pages/request/index?curname={{item.pxh}}"><view class=“icon-envelope-o”></view> </navigator></view>

<navigator url="/pages/pro_detail/index?id={{item.tpid}}">

<view class=“td”>{{item.pxh}}</view>

</navigator>

</view>

</checkbox-group>

</view>

</view>