小编poi*_*sm2的帖子

方法

  hola() {
        return new Promise((resolve, reject) => {
          if(true) {
            resolve(true)
          }
        })
    }

调用方法

this.hola.then(data => console.log(data));

错误

类型“() => Promise<{}>”上不存在属性“then”。

我已经尝试重新启动离子服务，但它不断抛出该错误

我已经安装了文件传输插件，因为它在这里提到

这是app.module.ts中的代码：

import { FileTransfer } from '@ionic-native/file-transfer';

providers: [
   ...
   FileTransfer,
   ...
]

这是错误

类型“ FileTransferOriginal”不可分配给“提供者”类型。类型'FileTransferOriginal'缺少类型'FactoryProvider'的以下属性：提供，useFactoryts（2322）（别名）const FileTransfer：FileTransferOriginal导入FileTransfer

我正在尝试使用以下方式将图像上传到服务器

"cordova-plugin-file-transfer": "^1.7.1",

"@ionic-native/file-transfer": "^5.0.0",

component.ts

takePicture() {
  const options: CameraOptions = {
    quality: 50,
    destinationType: this.camera.DestinationType.FILE_URI,
    encodingType: this.camera.EncodingType.JPEG,
    mediaType: this.camera.MediaType.PICTURE,
    sourceType: this.camera.PictureSourceType.PHOTOLIBRARY,
    targetWidth: 500,
    targetHeight: 500,
    saveToPhotoAlbum: false
  };

  this.camera.getPicture(options)
  .then((imageData) => this._img.uploadImage(imageData))
  .catch(err => console.log(err));
}

imageProvider.ts

import { FileTransfer, FileUploadOptions, FileTransferObject } from "@ionic-native/file-transfer/ngx";

   ...

uploadImage(img) {

  const url = `${this.apiURL}/images/upload`;

  // File for Upload
  var targetPath = img;

  var options: FileUploadOptions = {
    fileKey: 'image',
    chunkedMode: false,
    mimeType: 'multipart/form-data'
  };

  const fileTransfer: FileTransferObject = this.transfer.create();

  fileTransfer.upload(targetPath, …