优化

cloud-property-server/src/main/java/com/muyu/server/service/impl/DataRunNameServiceImpl.java

@@ -206,14 +206,11 @@ public class DataRunNameServiceImpl implements DataRunNameService {
         // 从连接池获取数据库连接
         DruidDataSource conn = JdbcHelper.getConnRs(dataDame);
         // 初始化一个列表，用于存储数据值对象
-        List<DataValue> list = new ArrayList<>();
-        PreparedStatement preparedStatement = null;
         try {
             DruidPooledConnection connection = conn.getConnection();
             // 准备SQL查询语句
-            connection.prepareStatement("select "+field+" FROM "+tableName);
-
-            ResultSet resultSet = preparedStatement.executeQuery();
+            PreparedStatement ps = connection.prepareStatement("select " + field + " FROM " + tableName);
+            ResultSet resultSet = ps.executeQuery();
             while (resultSet.next()) {
                 String fields = resultSet.getString(field);
                 // 返回包含数据值的列表
@@ -279,7 +276,7 @@ public class DataRunNameServiceImpl implements DataRunNameService {
                 while (columns.next()){
                     remarks = columns.getString("REMARKS");
 
-                    log.info("字段备注:"+remarks);
+                    log.info("字段备注:{}", remarks);
                 }
                 DataValue build = DataValue.builder()
                         .key(metaData.getColumnName(i))