String url = "jdbc:mysql://localhost:3306/test";
String user = "root";
String password = "110";
Connection conn = null;
PreparedStatement pstmt = null;
String driverName = "com.mysql.jdbc.Driver";
try {
Class.forName(driverName).newInstance();
conn = DriverManager.getConnection(url, user, password);
} catch (ClassNotFoundException e) {
out.println(e);
} catch (SQLException e) {
out.println("连接SQLserver数据库失败!!!!!!");
}