export function openPDF(path) {
  wx.downloadFile({
    url: path, //示例的url地址
    success: function (resinfo) {
      console.log("pdf协议文件已下载")
      let path = resinfo.tempFilePath;
      console.log(path, resinfo)
      wx.openDocument({
        filePath: path,
        fileType: 'pdf',
        success: function (rest) {
          console.log('打开文件成功')
          console.log(rest);
        },
        fail: function (error) {
          wx.showToast({
            icon: 'none',
            title: '打开文件失败'
          });
        },
      })
    },
    fail: function (err) {
      console.log('fail')
      console.log(err)
      wx.showToast({
        icon: 'none',
        title: '下载文件失败'
      });
    }
  })
}