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package bdqn.studentSys; /** * main类 * @author Administrator * */ import java.util.*; import bdqn.studentSys.Dao.StudentDao; import bdqn.studentSys.Da...

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java面向对象高级分层实例_BaseDao

package bdqn.studentSys.Dao; /** * 数据库帮助类 * @author Administrator * */ import java.sql.*; public class BaseDao { Connection conn=null; PreparedStateme...

java面向对象高级分层实例_实体类

package bdqn.studentSys.entity; /** * 学生实体类 * @author Administrator * */ public class Student { private String name;//姓名 private String pwd;//密码 priva...

java面向对象高级分层实例_接口类

package bdqn.studentSys.Dao; import java.util.List; import bdqn.studentSys.entity.Student; /** * 学生表的接口 * @author Administrator * */ public interface ...

java面向对象高级分层实例_BaseDao

package bdqn.studentSys.Dao; /** * 数据库帮助类 * @author Administrator * */ import java.sql.*; public class BaseDao { Connection conn=null; PreparedStateme...

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