update

src/main/java/com/example/afrishop_v3/controllers/PaypalContoller.java

@@ -173,13 +173,14 @@ public class PaypalContoller extends Controller {
         //获取paypal的最新token
         Optional<Token> tokenOptional = tokenRepository.findFirstToken();
         Optional<String> token = Optional.empty();
+        //第一次执行时，token表都为空
         if (tokenOptional.isPresent()) {
             token = Optional.ofNullable(tokenOptional.get().getToken());
         }
 
         if (!token.isPresent()) {
             String oldToken = oldApiContext.getAccessToken();
-            String token1 = PayPalUtil.getToken(oldToken);
+            String token1 = PayPalUtil.getToken(oldToken,mode);
             token = Optional.ofNullable(token1);
         }
 

src/main/java/com/example/afrishop_v3/quartz/QuartzMethod.java

@@ -11,6 +11,7 @@ import com.example.afrishop_v3.util.PayPalUtil;
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 
@@ -25,6 +26,9 @@ import java.util.Optional;
 public class QuartzMethod {
     private final UserRepository userRepository;
 
+    @Value("${paypal.mode}")
+    private String mode;
+
     private final TbCfExchangeRepository exchangeRepository;
     private final TokenRepository tokenRepository;
 
@@ -84,7 +88,7 @@ public class QuartzMethod {
     @Scheduled(cron = "0 0 0/3 * * ? ")
     public void getToken() throws IOException {
         Optional<Token> firstToken = tokenRepository.findFirstToken();
-        String token = PayPalUtil.getToken(firstToken.get().getToken());
+        String token = PayPalUtil.getToken(firstToken.get().getToken(),mode);
         if (!tokenRepository.existsByToken(token)) {
             Token t = new Token();
             t.setId(IdUtil.createIdbyUUID());

src/main/java/com/example/afrishop_v3/util/PayPalUtil.java

@@ -8,20 +8,24 @@ import java.io.IOException;
 
 public class PayPalUtil {
 
-    //正式
-//    private static String url="https://api.paypal.com/v1";
-
-    //测试
-    private static String url="https://api.sandbox.paypal.com/v1";
-
-    public static String getToken(String oldToken) throws IOException {
+    /**
+     * paypal token 默认是8小时有效
+     * 以旧token（必须是未失效的）才能换新token
+     * 如果不刷新token，8小时后paypal将无法使用
+     */
+    public static String getToken(String oldToken, String mode) throws IOException {
         OkHttpClient client = new OkHttpClient();
 
-
+        String url;
+        if ("live".equalsIgnoreCase(mode)) {
+            url = "https://api.paypal.com/v1";
+        } else {
+            url = "https://api.sandbox.paypal.com/v1";
+        }
         MediaType mediaType = MediaType.parse("application/x-www-form-urlencoded");
         RequestBody body = RequestBody.create(mediaType, "grant_type=client_credentials");
         Request request = new Request.Builder()
-                .url(url+"/oauth2/token")
+                .url(url + "/oauth2/token")
                 .post(body)
                 .addHeader("Content-Type", "application/x-www-form-urlencoded")
                 .addHeader("Authorization", oldToken)