1.支付宝接口申请网址:https://b.alipay.com/signing/productSet.htm?navKey=all
2.创建应用教程:https://docs.open.alipay.com/399/106843/
3.生成RSA密钥:https://docs.open.alipay.com/291/105971
4.设置应用公钥:https://open.alipay.com/platform/keyManage.htm
5.设置授权回调地址:https://open.alipay.com/platform/keyManage.htm
6.获取支付宝所需参数:https://open.alipay.com/platform/keyManage.htm
参数1:应用ID
参数2:公钥
参数3:私钥在本教程第3步骤生成RSA密钥中获取商户应用私钥
7.ebestmall系统后台填写示例