1、首先打開妳的支付寶，出現如圖所示的界面，如圖所示。
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2、然後點擊更多，找到“城市服務”，如圖所示
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3、點擊“城市服務”，然後找到公交卡，因為我是在杭州，找到的就是杭州通公交卡。
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4、然後點擊進去，根據提示開通杭州通公交卡即可，這是妳就有壹個公交卡的的條碼出現，妳可以往裏面充錢，坐公交的時候把這個條碼找出來掃壹下即可。
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5、最後，為了方便操作，還有就是可以直接打開支付寶，找到付款，點擊進去，在下面壹欄找到第二個乘車碼，點擊進去，妳的公交卡的付款碼就出來了
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6、點擊“乘車碼”，然後就會出現壹個二維碼，對著公交車上的掃描儀掃壹下就可以了。如果不知道放哪裏掃描，問下司機，他會告訴妳的。
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擴展資料：
用支付寶乘坐地鐵的方法
1、首先打開支付寶軟件，點擊“更多”（支付寶要實名認證且綁卡了的哦）
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2、接著在彈出的界面裏找到“城市服務”的功能。
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3、然後在彈出的界面裏選擇“乘車碼”，點擊立即開通。
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4、輸入密碼以後妳會獲得壹個二維碼，然後妳拿著這個二維碼走支付寶通道，在乘車之前和出站之前掃壹下就可以了。
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