支付宝可以用信用卡付款。准备一个苹果8手机。
1、把苹果8手机打开找到支付宝，在支付宝的首页，点击付款的选项。
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2、出来的页面里默认是余额宝付款，然后点击下面的余额宝。
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3、会跳出一个选择优先付款方式，接着点击添加信用卡的选项。
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4、在添加银行卡信息的页面里，输入持卡人和信用卡的卡号，然后点击下一步。
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5、在填写银行卡信息的页面里输入有效期和手机号，再点击下一步。
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6、在验证手机号的页面里，点击右边的选项，就会有验证码发送到手机，输入验证码，然后点击下一步。
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7、最后就添加信用卡付款完成了，以后的付款就会用信用卡优先支付。
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