升级：1、增加界面夜间模式

2、qtask 功能交互升级
     3、mysql连接管理增加心跳保活
     4、其他修改

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

@@ -28,7 +28,7 @@ public class DbExecutors {
         MetaService metaService = MetaKit.getMetaService(fBean.getName(), fBean.getPlatToken());
         MetaTable mainTable = MetaKit.getMetaTableByAlias(metaService.getTable());
         DbKit dbKit = MetaKit.getDbKit(mainTable.getDbPlatId(), mainTable.getCatalog());
-        //System.out.printf("----------------%n countSql:%s%n findSql:%s%n----------------%n", sqls[0], sqls[1]);
+        System.out.printf("----------------%n countSql:%s%n findSql:%s%n----------------%n", sqls[0], sqls[1]);
 
         CompletableFuture<Integer> countFuture = CompletableFuture.supplyAsync(() -> dbKit.findColumn(sqls[0], int.class));
         CompletableFuture<List<Map>> listFuture = CompletableFuture.supplyAsync(() -> dbKit.queryList(sqls[1], Map.class));

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

@@ -24,6 +24,49 @@ public class DbSourceMysql implements DbSource {
     private DbAccount dbAccount;
     private String catalog;
 
+    private static boolean ping;
+
+    static {
+        // MYSQL PING
+        synchronized (DbSourceMysql.class) {
+            if (!ping) {
+                new Thread(() -> {
+                    while (true) {
+                        conns.forEach((k, vs) -> {
+                            if (vs.isEmpty()) {
+                                return;
+                            }
+
+                            try {
+                                for (int i = 0; i < counter.get(k).get(); i++) {
+                                    Connection conn = vs.poll();
+                                    if (conn == null) {
+                                        return;
+                                    }
+                                    try {
+                                        conn.prepareStatement("SELECT 1").executeQuery();
+                                        vs.put(conn);
+                                    } catch (SQLException e) {
+                                        counter.get(k).decrementAndGet(); // 连接总数减去1
+                                        e.printStackTrace();
+                                    }
+                                }
+                            } catch (InterruptedException e) {
+                                e.printStackTrace();
+                            }
+                        });
+
+                        try {
+                            Thread.sleep(1000 * 60);
+                        } catch (InterruptedException ignored) {
+                        }
+                    }
+                }).start();
+                ping = true;
+            }
+        }
+    }
+
     public DbSourceMysql() {
 
     }
@@ -179,21 +222,34 @@ public class DbSourceMysql implements DbSource {
     }
 
     private synchronized Connection connection(int n) throws InterruptedException, SQLException {
-        LinkedBlockingQueue<Connection> queue = conns.getOrDefault(accountKey, new LinkedBlockingQueue<>(15));
+        LinkedBlockingQueue<Connection> queue = conns.get(accountKey);
+        if (queue == null) {
+            queue = new LinkedBlockingQueue<>(15);
+            conns.put(accountKey, queue);
+        }
+        AtomicInteger num = counter.get(accountKey);
+        if (num == null) {
+            num = new AtomicInteger(0);
+        }
+
         Connection conn = null;
-        AtomicInteger num = counter.getOrDefault(accountKey, new AtomicInteger(0));
-        if (queue.size() == 0 && num.get() < 15) { // 创建总连接数小于15，且暂无可用连接
-            conn = DriverManager.getConnection(dbAccount.getUrl(), dbAccount.getUser(), dbAccount.getPwd());
+        if (queue.isEmpty() && num.get() < 15) { // 创建总连接数小于15，且暂无可用连接
+            String url = dbAccount.getUrl();
+            String user = dbAccount.getUser();
+            String pwd = dbAccount.getPwd();
+
+            conn = DriverManager.getConnection(url, user, pwd);
             int x = num.incrementAndGet();
             counter.put(accountKey, num);
-            System.out.println("创建新的连接:" + x);
+            System.out.printf("创建新的连接[%s]:%s\n", x, url + "@" + user);
+
         } else {
             conn = queue.take();
             if (!conn.isValid(5)) {
                 conn = connection(++n);
             }
         }
-        conns.put(accountKey, queue);
+        //conns.put(accountKey, queue);
         return conn;
     }