package com.jdbc.utils; import java.io.Closeable; import java.io.IOException; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; @SuppressWarnings("all") public class JDBCUtils { private static final String URL="jdbc:mysql://localhost:3306/mybase"; private static final String USER="root"; private static final String PASSWORD="123456"; private static final String DRIVER="com.mysql.jdbc.Driver"; //静态代码块加载驱动 static { try { Class.forName(DRIVER); } catch (ClassNotFoundException e) { e.printStackTrace(); } } /** * 获得数据库的连接 * @return Connection * @throws SQLException */ public static Connection getConnection() throws SQLException { return DriverManager.getConnection(URL,USER,PASSWORD); } /** * 关闭操作 * @param ca */ public static void close(AutoCloseable... ca){ for (AutoCloseable c:ca) if (c != null) { try { c.close(); } catch (Exception e) { e.printStackTrace(); } } } }