java.sql.SQLException: No suitable driver found for jdbc:mysql//l27.0.0.1:3306/library
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at tushuUtil.ConnUtil.getConn(ConnUtil.java:12)
at tushuUtil.Daobook.findLibrary(Daobook.java:12)
数据库版本是5.5.7，驱动版本是5..1.7
这是哪里错了啊
