var file1 = new AV.File('filename',"wxfile://tmp_112635403o6zAJs_bDzA2-Wgg_K8zBA0Q2Y9U1480073790316.png");一创建就报以下错
Error: Creating a AV.File from a String is not yet supported.
很显然你没仔细看小程序的文档,小程序中上传文件会跟html5中不一样。https://leancloud.cn/docs/weapp.html#文件存储