dbManager:
public class dbManager
{
private static String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
private static String dbURL = "jdbc:sqlserver://localhost:1433;DatabaseName=mainUser";
private static String dbUserName = "sa";
private static String dbUserPassword = "123456";
public static Connection getConnection()
throws SQLException{
try{Class.forName(driverName);
}catch(ClassNotFoundException e){
e.printStackTrace();
}
Connection con = DriverManager.getConnection(dbURL, dbUserName, dbUserPassword);
return con;
}
}
dbManager使用示例:
static PreparedStatement preparedStatement = null;
static ResultSet resultSet = null;
//判断用户名和密码是否匹配
public static int Login(String name,String password)
{
int result = LOGIN_FAILED;
String sql_select = "select * from user_login_info where user_name='"+name+"'";
String login