怎么用前置摄像头来进行微信扫一扫？

1、打开手机的照相机，点击右上角的图标，使相机切换成前置摄像头；
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2、用照相机的前置摄像头拍摄要扫描的二维码图片；
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3、打开微信，点击右上角的外带圆圈的加号图标，在弹出来的下拉菜单中点击扫一扫；
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4、在扫一扫的界面点击右上角的三个点，在底部弹出的白色背景小窗口中点击从相册选取二维码；
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5、在相册中选择点击之前用前置摄像头拍摄的二维码图片即可。
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