Tips:大概率问题是域名没配正确，下载的文件地址错了pdfclick(link){varlink=http://cdn.ylnhome.com/shangcheng/168489780904143.pdfif(link.indexOf('https')==-1){link=item.link.replace('http','https')}//http转httpsconsole.log(link,'link')wx.downloadFile({url:link,success:function(res){console.log(res,'success')varPath=res.tempFi