//依据球员的姓名,返回球员信息 public static FootballPlayer getPlayerInfo(string playerName) { FootballPlayer player = new FootballPlayer(); //执行查询数据库操作 DBUtility dbutility = new DBUtility(); string SQL = "select ID,playerName,number,postion,teamName from player where playerName='" + playerName+"'"; try { dbutility.openConnection(); MySqlDataReader rd = dbutility.ExecuteQuery(SQL); while (rd.Read()) { player.setPlayerID(Convert.ToInt32(rd[0])); player.setPlayerName(Convert.ToString(rd[1])); player.setPlayNumber(Convert.ToInt32(rd[2])); player.setPostion(Convert.ToString(rd[3])); player.setBelongTeam(Convert.ToString(rd[4])); } } catch (MySqlException ex) { Console.WriteLine(ex.ToString()); } finally { dbutility.Close(); } return player; }