package com.vveye; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.sql.CallableStatement; import java.sql.Connection; import java.sql.PreparedStatement; public class sqlHelper { private static Connection conn = null; private static PreparedStatement ps = null; private static ResultSet rs = null; private static CallableStatement cs = null; private static String driver = "com.mysql.jdbc.Driver"; private static String url = "jdbc:mysql://localhost:3306/cdcol?useUnicode=true&characterEncoding=UTF-8"; private static String userName = "root"; private static String password = "123123"; public static Connection getConn() { return conn; } public static PreparedStatement getPs() { return ps; } public static ResultSet getRs() { return rs; } public static CallableStatement getCs() { return cs; } // 加载驱动,只需要一次 static{ try { Class.forName(driver); } catch (ClassNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } }//static // 得到连接 public static Connection getConnection() { try { conn = DriverManager.getConnection(url, userName, password); } catch (SQLException e) { e.printStackTrace(); } return conn; } // 处理多个update/delete/insert public static void executeUpdateMultiParams(String[] sql, String[][] parameters) { try { // 获得连接 conn = getConnection(); // 可能传多条sql语%