传图片fail Cannot read property '0' of null
wx.uploadFile({ //上传文件的接口; url: 'ft1.ai.zhaoonline.com/images/recognize', //仅为示例，非真实的接口地址 filePath: arr[0], name: 'file', success: function (res) { var data = res.data //do something } }) 看到这篇帖子 http://developers.weixin.qq.com/blogdetail?action=get_post_info&lang=zh_CN&token=&docid=2680dbfdb69f361265fec24537dccf37 我下载的官网最低版本，也不行
