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分享protected String[] msg = null;
public AbstractService(String msg) {
this.msg = msg.split(Param.SPACE);//以空格为分隔符进行分割成数组
}/** 登陆账号密码核对 */
private static final String SQL_LOGIN = "SELECT * FROM USERLOGIN WHERE USERID = '?' AND PASSWORD = '?';";
* @param msg 的格式是:用户ID+密码+IP+端口+状态 */
public LoginService(String msg) {
//调用父类(AbstractService)的构造方法
super(msg);
}
String SQL = SQL_LOGIN.replaceFirst("\\?", msg[0]);
SQL = SQL.replaceFirst("\\?", msg[1]);
rs = stat.executeQuery(SQL);