注解配置模块

springLearn20250422/src/main/java/com/sec/dao/impl/LearnDaoImpl.java

@@ -23,6 +23,7 @@ public class LearnDaoImpl implements LearnDao {
     private DruidDataSource druidDataSource;
     @Override
     public void getLearnData() {
+        System.out.println("捞取连接池中的数据");
         try {
             DruidPooledConnection connection = druidDataSource.getConnection();
             Statement statement = connection.createStatement();