wx.uploadFile({                 url: ``,                 filePath: res.tempFilePath,                 name: 'file',                 responseType: 'arraybuffer',                 header: {                   'content-type': "multipart/form-data",                   'accept': 'application/json',                   'Authorization': 'Bearer ' + wx.getStorageSync('userIds').token,                 },                 formData: {},                 success(res) {                   console.log('res',res)                   if (res.statusCode === 200) {                     const fileManager = wx.getFileSystemManager();                     const FilePath = wx.env.USER_DATA_PATH + "/" + "志愿报告.pdf";                     fileManager.writeFile({                       filePath: FilePath,                       data: res.data,                       encoding: "binary", //编码方式                        success: res => {                         wx.openDocument({ //我这里成功之后直接打开                           filePath: FilePath,                            showMenu: true,                           fileType: "pdf",                           success: result => {                             wx.hideLoading();                           },                           fail: err => {                             wx.hideLoading();                             wx.showToast({                               title: '打开文档失败!',                               icon: 'none', //默认值是success,就算没有icon这个值，就算有其他值最终也显示success                               duration: 2000, //停留时间                             })                           }                         });                       },                       fail: res => {                         wx.hideLoading();                         wx.showToast({                           title: '导出失败!',                           icon: 'none', //默认值是success,就算没有icon这个值，就算有其他值最终也显示success                           duration: 2000, //停留时间                         })                       }                     })                   } else {                     wx.hideLoading();                     wx.showToast({                       title: '生成失败!',                       icon: 'none', //默认值是success,就算没有icon这个值，就算有其他值最终也显示success                       duration: 2000, //停留时间                     })                   }                 },                 fail(err) {                   wx.hideLoading();                   wx.showToast({                     title: err,                     icon: 'none', //默认值是success,就算没有icon这个值，就算有其他值最终也显示success                     duration: 2000, //停留时间                   })                 }               });