onShareAppMessage转发页面，自己看到都是正常的，但是转发给别人数据全是空值，onLoad获取不到全局和从别的页面传递的数据。

求大神帮解答。

<!--pages/detailedJD/detailedJD.wxml-->

<view wx:for="{{JobDescription}}" wx:key="0">

<view class="part1">

<view class="columnList">

<view class="rowList rowList1">

<text class="company">{{item.jobTitle}}</text>

<text class="duration">{{duration}}天前</text>

</view>  <!--end rowList-->

<text class="location">{{item.address}}∙{{item.company}}</text>        

</view>  <!--end columnList-->

</view>

<view class="separate"></view>

<scroll-view class="scroll part2" scroll-y="true" enable-back-to-top="true">

<view class="columnList">

<text class="job">职位详情：</text>

<text class="jobdescription" style="width:{{normalWidth}}px;">{{item.jobDescription}}</text>

<image class="jobimg" style="width:{{normalWidth}}px;"src="{{item.jobImage}}"></image>        

</view>  <!--end columnList-->

</scroll-view>

<view class="separate"></view>

<view class="part3">

<view class="columnList">

<text class="contact">联系信息：</text>  

<text class="contactInfo">{{item.contactInfo}}</text>      

</view>  <!--end columnList-->

</view>

<view class="part4"></view>

<view class="bar">

<view class=" rowList watcherman">

<image class="watcherimg" src="../../images/watch.png"></image>

<text class="watcher">{{watcherNum}}</text>

<button class="shareButton" id="shareBtn" open-type="share">分享</button>

</view>

</view> <!-- Bar-->

</view>