小程序保存图片至本地

wx.getImageInfo({
  src: ‘http://img5.imgtn.bdimg.com/it/u=3686777643,1691061762&fm=11&gp=0.jpg’,
  success: function(data) {
    let path = data.path;
    wx.saveImageToPhotosAlbum({
      filePath: path,
      success: () => {
        that.showSuccess("保存图片成功！");
      },
      fail: () => {
        that.showModal("保存图片", "保存图片失败！");
      }
    });
  },
  fail: () => {
    that.showModal("获取图片", "获取图片失败！");
  }
});

注1： 如果保存至本地进入了fail函数里，请清除缓存重试下就好了
注2：出现http://img5.imgtn.bdimg.com 不在以下 downloadFile 合法域名列表中，请参考文档：https://developers.weixin.qq.com/miniprogram/dev/framework/ability/network.html
需要配置图片域名http://img5.imgtn.bdimg.com