1、支付宝扫码支付。打开支付宝，点击“扫一扫”扫描商家的付款码，进入支付界面，选择付款方式，输入支付密码，即可完成付款。2、付款码支付。打开支付宝，点击“付钱”，向商家出示付款码，商家通过扫描付款码，[详细]
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