创建简单的 JdbcUtil，并借助 MyBatis 的 SQL 构建器简化 SQL 的拼接。

src/test/java/xyz/zhouxy/plusone/commons/util/JdbcUtilTests.java

@@ -0,0 +1,66 @@
+package xyz.zhouxy.plusone.commons.util;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import javax.sql.DataSource;
+
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.zaxxer.hikari.HikariConfig;
+import com.zaxxer.hikari.HikariDataSource;
+
+import xyz.zhouxy.plusone.commons.jdbc.JdbcUtil;
+
+class JdbcUtilTests {
+
+    private static final Logger log = LoggerFactory.getLogger(JdbcUtilTests.class);
+
+    static final String url = "jdbc:postgresql://localhost:5432/plusone";
+    static final String username = "postgres";
+    static final String password = "zhouxy108";
+
+    DataSource dataSource;
+
+    String[] cStruct = {
+            "id",
+            "created_by",
+            "create_time",
+            "updated_by",
+            "update_time",
+            "status"
+    };
+
+    JdbcUtilTests() {
+        HikariConfig config = new HikariConfig();
+        config.setJdbcUrl(url);
+        config.setUsername(username);
+        config.setPassword(password);
+        this.dataSource = new HikariDataSource(config);
+    }
+
+    @Test
+    void testQuery() throws SQLException {
+        Connection conn = this.dataSource.getConnection();
+        List<Map<String, Object>> ms = JdbcUtil.connect(conn).query(
+                "SELECT * FROM public.base_table WHERE id IN (?, ?, ?)", 501533, 501554, 544599);
+        assertNotNull(ms);
+        List<DbRecord> es = ms.stream()
+                .map(input -> new DbRecord().putAll(input))
+                .collect(Collectors.toList());
+        assertEquals(3, es.size());
+        for (DbRecord baseEntity : es) {
+            log.info("id: {}", baseEntity.getValueAsLong("id"));
+            assertNull(baseEntity.getValueAsString("updated_by"));
+        }
+    }
+}