JAVA数据库连接

//首先定义需要用的祖父穿//数据库连接需要用到的字符串命令

<pre class="java" name="code">//数据库连接需要用到的字符串命令

Connection ct = null; ResultSet rs = null; PreparedStatement ps = null; //数据库连接需要用到的字符串命令  String Driver = "com.microsoft.sqlserver.jdbc.SQLServerDriver";  String Connect = "jdbc:sqlserver://127.0.0.1:1433;DatabaseName=Test";  String User = "sa";  String Pasw = "123456";

//加载引擎public PreparedStatement DoDriver(String sql){try {// 加载引擎Class.forName(Driver);// 获得连接ct = DriverManager.getConnection(Connect, User, Pasw);// 读取数据库ps = ct.prepareStatement(sql);return ps;// 给我ps的问号赋值} catch (Exception e) {// TODO: handle exceptione.printStackTrace();ps = null;return ps;}}