在自定义视图相机预览Ionic 3中获取图片

ionic cordova plugin add cordova-plugin-camera
npm install @ionic-native/camera

import { Camera, CameraOptions } from '@ionic-native/camera';

constructor(private camera: Camera) { }

openCamera() {
  const options: CameraOptions = {
    quality: 100,
    destinationType: this.camera.DestinationType.DATA_URL,
    encodingType: this.camera.EncodingType.JPEG,
    mediaType: this.camera.MediaType.PICTURE
  };

  this.camera.getPicture(options).then((imageData) => {
    // 获取到图片数据后的处理逻辑
    let base64Image = 'data:image/jpeg;base64,' + imageData;
  }, (err) => {
    // 处理获取图片失败的情况
    console.log(err);
  });
}

<button ion-button (click)="openCamera()">打开相机</button>