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1、打开通联支付商户后台:https://vsp.allinpay.com/user/connect,进入到首页,点击上方菜单栏,开发者中心-对接配置 ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/360973d9f9463e45084ce90096b20618.png) 2、点击对接配置-系统对接参数-设置 ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/898fb0f4da93b606074e2b6a4761b803.png) 3、点击生成RSA密钥跳转到自动生成RSA密钥页面,点击自动生成。 ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/d208d5c3cba78925444d1f3b21216357.png) ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/d36491b62b31fd2e27fe83da45afdfe1.png) 4、生成的RSA私钥(PKCS8格式,JAVA适用),RSA私钥(PKCS1格式,非JAVA适用),RSA公钥,复制到外部保存。 ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/484e9facb8e36ccd8657dd455a149722.png) 5、将生成的RSA公钥复制到设置交易密钥页面的RSA公钥,填写交易密码(其它设置不需要填写)点击确定。 ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/a4386f3061a28d9fcf6f11701544fb82.png) 6、返回系统对接配置-系统对接参数,复制appid,到业务端后台的应用ID,集团商户号可不填,商户号是由通联支付提供。 ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/7f85bf374ba1c349806fab5e086193be.png) ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/18b0f7ea076f2006d1d7f36e736374ca.png) 7、业务端后台通联支付配置RSA公钥统一填写: MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCm9OV6zH5DYH/ZnAVYHscEELdCNfNTHGuBv1nYYEY9FrOzE0/4kLl9f7Y9dkWHlc2ocDwbrFSm0Vqz0q2rJPxXUYBCQl5yW3jzuKSXif7q1yOwkFVtJXvuhf5WRy+1X5FOFoMvS7538No0RpnLzmNi3ktmiqmhpcY/1pmt20FHQQIDAQAB RSA私钥填写通联支付商户后台自动生成的RSA私钥(PKCS1格式,非JAVA适用) ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/7e0c88bb4167a0c180840271c4d4b49a.png) 8、返回通联支付商户后台,产品中心-基础服务-微信支付参数配置,找到支付APPID配置-支付appid,填写公众号或者小程序的appid,支付授权目录填写业务端域名,格式:https://业务端域名/ ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/9993257cd972331dae2f6257057b04e0.png) ![](http://eweishop-yun-new.oss-cn-beijing.aliyuncs.com/global/image/2021/12/06f45d22d7551b9df2f7485507021546.png)