initial commit: lottery 项目集（三工程统一管理）

- apps/lotteryServer, lotteryCapture, lotteryOpen 三个业务工程
- 忽略 archive/, tools/, infra/data/ 大目录与敏感配置文件
- 移除 lotteryServer 原嵌套 git，并入顶层统一管理

apps/lotteryOpen/src/main/java/javautils/jdbc/util/BatchSQLUtil.java

@@ -0,0 +1,56 @@
+package javautils.jdbc.util;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+
+public class BatchSQLUtil {
+	
+	public static Logger logger = LoggerFactory.getLogger(BatchSQLUtil.class);
+
+	private Connection conn;
+	private PreparedStatement ps;
+
+	public BatchSQLUtil(Connection conn, String sql) {
+		try {
+			this.conn = conn;
+			this.conn.setAutoCommit(false);
+			ps = this.conn.prepareStatement(sql);
+		} catch (Exception e) {
+			logger.error("BatchSQLUtil异常", e);
+		}
+	}
+
+	public void addCount(Object[] param) {
+		try {
+			for (int i = 0; i < param.length; i++) {
+				ps.setObject(i + 1, param[i]);
+			}
+			ps.addBatch();
+		} catch (SQLException e) {
+			logger.error("addCount异常", e);
+		}
+	}
+
+	public void commit() {
+		try {
+			ps.executeBatch();
+			conn.commit();
+			ps.clearBatch();
+		} catch (SQLException e) {
+			logger.error("commit异常", e);
+		}
+	}
+
+	public void close() {
+		try {
+			ps.close();
+			conn.close();
+		} catch (SQLException e) {
+			logger.error("close异常", e);
+		}
+	}
+}