1、接入paypal

2、修改支付宝支付

src/main/java/com/ai/da/common/utils/RedisUtil.java

@@ -9,6 +9,7 @@ import org.springframework.util.CollectionUtils;
 import javax.annotation.Resource;
 import java.util.Map;
 import java.util.Set;
+import java.util.concurrent.TimeUnit;
 
 @Slf4j
 @Component
@@ -17,6 +18,10 @@ public class RedisUtil {
     @Resource
     private RedisTemplate<String, String> redisTemplate;
 
+    public Boolean hasKey(String key){
+        return redisTemplate.hasKey(key);
+    }
+
     //- - - - - - - - - - - - - - - - - - - - -  ZSet类型 - - - - - - - - - - - - - - - - - - - -
 
     /**
@@ -123,4 +128,14 @@ public class RedisUtil {
     public Long removeFromMap(String key, String hashKeys) {
         return redisTemplate.opsForHash().delete(key, hashKeys);
     }
+
+    //- - - - - - - - - - - - - - - - - - - - -  String类型 - - - - - - - - - - - - - - - - - - - -
+    public void addToString(String key, String value, Long expiresIn){
+        redisTemplate.opsForValue().set(key,value,expiresIn, TimeUnit.SECONDS);
+    }
+
+    public String getFromString(String key){
+        return redisTemplate.opsForValue().get(key);
+    }
+
 }

src/main/java/com/ai/da/common/utils/paypalRequest/AuthenticationRequest.java

@@ -0,0 +1,30 @@
+package com.ai.da.common.utils.paypalRequest;
+
+import com.alibaba.fastjson.JSONObject;
+import com.paypal.http.HttpRequest;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.util.HashMap;
+
+@Component
+public class AuthenticationRequest extends HttpRequest<HashMap> {
+
+    public AuthenticationRequest() {
+        super("/v1/oauth2/token", "POST", HashMap.class);
+        this.header("Content-Type", "application/x-www-form-urlencoded");
+        body();
+    }
+
+    public AuthenticationRequest authorization(String clientId, String clientSecret) {
+        this.header(clientId, clientSecret);
+        return this;
+    }
+
+    public AuthenticationRequest body() {
+        HashMap<String, String> body = new HashMap<>();
+        body.put("grant_type", "client_credentials");
+        this.requestBody(body);
+        return this;
+    }
+}

src/main/java/com/ai/da/common/utils/paypalRequest/WebhookVerifyRequest.java

@@ -0,0 +1,26 @@
+package com.ai.da.common.utils.paypalRequest;
+
+import com.ai.da.model.dto.WebhookVerifyDTO;
+import com.alibaba.fastjson.JSONObject;
+import com.paypal.http.HttpRequest;
+import com.paypal.orders.OrdersCreateRequest;
+
+import java.io.Serializable;
+import java.util.HashMap;
+
+public class WebhookVerifyRequest extends HttpRequest<HashMap> {
+    public WebhookVerifyRequest() {
+        super("/v1/notifications/verify-webhook-signature", "POST", HashMap.class);
+        this.header("Content-Type", "application/json");
+    }
+
+    public WebhookVerifyRequest authorization(String authorization) {
+        this.header("Authorization", "Bearer " + String.valueOf(authorization));
+        return this;
+    }
+
+    public WebhookVerifyRequest requestBody(HashMap<String,String> webhookVerify) {
+        super.requestBody(webhookVerify);
+        return this;
+    }
+}