java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.zuxia.util.DBUtil.getConn(DBUtil.java:35)
at com.zuxia.util.DBUtil.execQuery(DBUtil.java:202)
at com.zuxia.dao.CustomerDAO.checkUserLogin(CustomerDAO.java:21)
at com.zuxia.frame.client.MiniQQLogin$1.mouseClicked(MiniQQLogin.java:91)
一个登陆查询 JDBC也弄了 TCP/IP也启动了 动态端口也设置了 数据库也开启了 还是报错:如上 ; 焦虑中···