修改方法名

src/main/java/net/tccn/base/IpKit.java

@@ -34,7 +34,7 @@ public class IpKit {
             return "";
         }
         if (isV4(startIp, endIp)) {
-            return v4Count(startIp, endIp) + "";
+            return v4Count(startIp, endIp);
         } else {
             return v6Count(startIp, endIp);
         }

src/main/java/net/tccn/base/dbq/DbExecutors.java

@@ -29,7 +29,7 @@ public class DbExecutors {
         DbKit dbKit = MetaKit.getDbKit(mainTable.getDbPlatId(), mainTable.getCatalog());
         //System.out.printf("----------------%n countSql:%s%n findSql:%s%n----------------%n", sqls[0], sqls[1]);
 
-        CompletableFuture<Integer> countFuture = CompletableFuture.supplyAsync(() -> dbKit.queryColumn(sqls[0], int.class));
+        CompletableFuture<Integer> countFuture = CompletableFuture.supplyAsync(() -> dbKit.findColumn(sqls[0], int.class));
         CompletableFuture<List<Map>> listFuture = CompletableFuture.supplyAsync(() -> dbKit.findList(sqls[1], Map.class));
 
         List<Map> rows = listFuture.get();

src/main/java/net/tccn/base/dbq/jdbc/api/DbKit.java

@@ -65,8 +65,8 @@ public class DbKit implements DbSource{
     }
 
     @Override
-    public <T> T queryColumn(String sql, Class<T> type) {
-        return dbSource.queryColumn(sql, type);
+    public <T> T findColumn(String sql, Class<T> type) {
+        return dbSource.findColumn(sql, type);
     }
 
     @Override
@@ -91,7 +91,7 @@ public class DbKit implements DbSource{
         return CompletableFuture.supplyAsync(() -> findList(sql, type));
     }
     public <T> CompletableFuture<T> queryColumnAsync(String sql, Class<T> type) {
-        return CompletableFuture.supplyAsync(() -> queryColumn(sql, type));
+        return CompletableFuture.supplyAsync(() -> findColumn(sql, type));
     }
     public CompletableFuture<Void> exetuteAsync(String sql) {
         return CompletableFuture.runAsync(() -> exetute(sql));

src/main/java/net/tccn/base/dbq/jdbc/api/DbSource.java

@@ -17,7 +17,7 @@ public interface DbSource extends IService {
 
     <T> T findFirst(String sql, Class<T> type);
 
-    <T> T queryColumn(String sql, Class<T> type);
+    <T> T findColumn(String sql, Class<T> type);
 
     //待实现
     default <T> void save(String tableName, T t) {}
@@ -26,16 +26,16 @@ public interface DbSource extends IService {
     default <T> void update(String tableName, T t) {}
 
     default int queryInt(String sql) {
-        return queryColumn(sql, int.class);
+        return findColumn(sql, int.class);
     }
     default long queryLong(String sql) {
-        return queryColumn(sql, long.class);
+        return findColumn(sql, long.class);
     }
     default double queryDouble(String sql) {
-        return queryColumn(sql, double.class);
+        return findColumn(sql, double.class);
     }
     default Date queryDate(String sql) {
-        return queryColumn(sql, Date.class);
+        return findColumn(sql, Date.class);
     }
 
     void createTable(String sql);

src/main/java/net/tccn/base/dbq/jdbc/api/DbSourceMysql.java

@@ -42,6 +42,7 @@ public class DbSourceMysql implements DbSource {
         this.dbAccount = dbAccount;
         this.accountKey = dbAccount.accountKey();
     }
+
     public DbSourceMysql(DbAccount dbAccount, String catalog) {
         this.dbAccount = dbAccount;
         this.catalog = catalog;
@@ -58,7 +59,8 @@ public class DbSourceMysql implements DbSource {
         Connection connection = connection();
         try (
                 PreparedStatement ps = connection.prepareStatement(sql);
-            ResultSet rs = ps.executeQuery()) {
+                ResultSet rs = ps.executeQuery()
+        ) {
             List list = new ArrayList();
             ResultSetMetaData metaData = rs.getMetaData();
             int count = metaData.getColumnCount();
@@ -72,15 +74,15 @@ public class DbSourceMysql implements DbSource {
 
                     if (rs.getObject(i) != null) {
                         switch (columnTypeName) {
-                            case "DATETIME":
-                            case "TIMESTAMP":
-                            case "DATE":
-                                row.put(columnLabel, rs.getTimestamp(i).getTime()); break;
-                            default:
+                            case "DATETIME", "TIMESTAMP", "DATE" -> {
+                                row.put(columnLabel, rs.getTimestamp(i).getTime());
+                            }
+                            default -> {
                                 row.put(columnLabel, rs.getObject(i));
                             }
                         }
                     }
+                }
                 list.add(Map.class == type ? row : Kv.toBean(row, type));
             }
 
@@ -101,7 +103,7 @@ public class DbSourceMysql implements DbSource {
     }
 
     @Override
-    public <T> T queryColumn(String sql, Class<T> type) {
+    public <T> T findColumn(String sql, Class<T> type) {
         Connection connection = connection();
         try (
                 PreparedStatement ps = connection.prepareStatement(sql);
@@ -119,7 +121,8 @@ public class DbSourceMysql implements DbSource {
                             case "DATETIME":
                             case "TIMESTAMP":
                             case "DATE":
-                                v = rs.getTimestamp(i).getTime(); break;
+                                v = rs.getTimestamp(i).getTime();
+                                break;
                             default:
                                 v = rs.getObject(i);
                         }
@@ -173,6 +176,7 @@ public class DbSourceMysql implements DbSource {
         }
         return connection;
     }
+
     private Connection connection(int n) {
         LinkedBlockingQueue<Connection> queue = conns.getOrDefault(accountKey, new LinkedBlockingQueue<>(15));
 
@@ -211,6 +215,7 @@ public class DbSourceMysql implements DbSource {
         conns.put(accountKey, queue);
         return conn;
     }
+
     private void release(Connection connection) {
         LinkedBlockingQueue<Connection> queue = conns.getOrDefault(accountKey, new LinkedBlockingQueue<>(15));
         try {

src/test/java/RunTest.java

@@ -372,7 +372,7 @@ public class RunTest<T> {
 
         // find list
         List<Map> list = dbKit.findList(sql, Map.class);
-        int total = dbKit.queryColumn(countSql, int.class);
+        int total = dbKit.findColumn(countSql, int.class);
 
         System.out.println("总记录数：" + total);
         System.out.println(list);