微信小程序保存图片到手机相册

直接看代码

// 图片保存到本地
wx.saveImageToPhotosAlbum({
  filePath: filePath,
  success: function (data) {
    wx.showToast({
      title: '保存成功',
      icon: 'success',
      duration: 2000
    });  
  },
  fail: function (err) {
    console.log(err.errMsg);
    if (err.errMsg === 'saveImageToPhotosAlbum:fail auth deny') {
    wx.showToast({
    	title: "请允许访问相册后重试",
        icon: "none",
        duration: 1000
      });
      setTimeout(function () {
        wx.openSetting();
      }, 1000);
    }
  },
  complete(res) {
    console.log('complete');
  }
})