package check;import java.sql.*;public class dbconn {    private String driverName = "com.microsoft.jdbc.sqlserver.SQLServerDriver";//加載驅(qū)動程序    private String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=mydata";//設(shè)置數(shù)據(jù)庫連接串    private String user = "sa";//數(shù)據(jù)庫登錄用戶名    private String password = "sa";//數(shù)據(jù)庫登錄密碼    public void setDriverName(String newDriverName) {        driverName = newDriverName;    }    public String getDriverName() {        return driverName;    }    public void setUrl(String newUrl) {        url = newUrl;    }    public String getUrl() {        return url;    }    public void setUser(String newUser) {        user = newUser;    }    public String getUser() {        return user;    }    public void setPassword(String newPassword) {        password = newPassword;    }    public String getPassword() {        return password;    }    public Connection getConnection() {        try {            Class.forName(driverName);            return DriverManager.getConnection(url, user, password);        } catch (Exception e) {            e.printStackTrace();            return null;        }    }    public static void main(String[] args) {        try{            dbconn dc = new dbconn();            Connection	conn = dc.getConnection();            Statement stmt=conn.createStatement();            ResultSet rs=stmt.executeQuery("select * from My_BookAdminUser");            while(rs.next()){                System.out.print("名稱: "+rs.getString(1));                System.out.print("\tpassword: "+rs.getString(2));                System.out.println();            }        }catch(Exception e){            e.printStackTrace();        }    }}