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public class DatabaseOperation {
Connection conn= null;
/**
*
* È¡µÃµ±Ç°Êý¾Ý¿âµÄÁ¬½Ó
*
* @param connHostName Ö÷»úÃû³Æ»òIP Address
* @param connPort Á¬½ÓÊý¾Ý¿â¶Ë¿Ú
* @param dbDBAUserName Á¬½ÓÊý¾Ý¿âDBAÓû§Ãû
* @param dbDBAPassword Á¬½ÓÊý¾Ý¿âDBAÓû§ÃÜÂë
* @return
*/
public Connection connectDatabase(String connHostName,String connPort,String dbDBAUserName,String dbDBAPassword) {

try{
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver").newInstance(); 
            String url = "jdbc:sqlserver://" + connHostName + ":" + connPort + ";DatabaseName=master"; 
            conn = DriverManager.getConnection(url, dbDBAUserName, dbDBAPassword);
           
            setConn(conn);
}catch (Exception ex){
ex.printStackTrace();
setConn(null);
}
return getConn();
}


main·½·¨

public static void main(String[] args) {
DatabaseOperation db = new DatabaseOperation();
System.out.println("============"+ db.connectDatabase("localhost", "1433", "sa", "123456"));;
}

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