無(wú)法連接數(shù)據(jù)庫(kù)！"."
鏈接數(shù)據(jù)庫(kù)是出現(xiàn)錯(cuò)誤！報(bào)錯(cuò)提示。Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communication link failure,? message from server: "Can't get hostname for your address"
2017-01-08
URL地址寫的有問(wèn)題，檢查檢查。
2017-01-01
不能獲取你給的地址的主機(jī)名，用戶填寫不對(duì)或者格式不對(duì)