1、首先打开你的支付宝，出现如图所示的界面，如图所示。
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2、然后点击更多，找到“城市服务”，如图所示
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3、点击“城市服务”，然后找到公交卡，因为我是在杭州，找到的就是杭州通公交卡。
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4、然后点击进去，根据提示开通杭州通公交卡即可，这是你就有一个公交卡的的条码出现，你可以往里面充钱，坐公交的时候把这个条码找出来扫一下即可。
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5、最后，为了方便操作，还有就是可以直接打开支付宝，找到付款，点击进去，在下面一栏找到第二个乘车码，点击进去，你的公交卡的付款码就出来了
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6、点击“乘车码”，然后就会出现一个二维码，对着公交车上的扫描仪扫一下就可以了。如果不知道放哪里扫描，问下司机，他会告诉你的。
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扩展资料：
用支付宝乘坐地铁的方法
1、首先打开支付宝软件，点击“更多”（支付宝要实名认证且绑卡了的哦）
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2、接着在弹出的界面里找到“城市服务”的功能。
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3、然后在弹出的界面里选择“乘车码”，点击立即开通。
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4、输入密码以后你会获得一个二维码，然后你拿着这个二维码走支付宝通道，在乘车之前和出站之前扫一下就可以了。
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