jsp+javabean+servelt实现简单的登录及选课界面

jsp+javabean+servlet实现简单的用户登录、课程查询、选课、密码修改功能，采用mysql数据库进行相关数据的存储，代码内容涉及到数据库的查询、更新、删除、插入，适合网页制作的初学者。

package com.Bean;

//对应account表格
public class Accountbean 
{
	private String stu_id;
	private String password;
	
	public Accountbean（）
	{
		
	}
	
	public String getStu_id（）
	{
		return stu_id;
	}
	public void setStu_id（String stu_id）
	{
		this.stu_id = stu_id;
	}
	
	public String getPassword（）
	{
		return password;
	}
	public void setPassword（String password）
	{
		this.password = password;
	}

}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        835  2018-06-13 18:02  course_selection\.classpath

     文件        916  2018-06-13 18:01  course_selection\.project

     文件        567  2018-06-13 18:01  course_selection\.settings\.jsdtscope

     文件        364  2018-06-13 18:00  course_selection\.settings\org.eclipse.jdt.core.prefs

     文件        500  2018-06-13 18:00  course_selection\.settings\org.eclipse.wst.common.component

     文件        305  2018-06-13 18:01  course_selection\.settings\org.eclipse.wst.common.project.facet.core.xml

     文件         49  2018-06-13 18:01  course_selection\.settings\org.eclipse.wst.jsdt.ui.superType.container

     文件          6  2018-06-13 18:01  course_selection\.settings\org.eclipse.wst.jsdt.ui.superType.name

     文件        730  2018-06-22 08:50  course_selection\build\classes\com\Bean\Accountbean.class

     文件       1327  2018-06-22 08:50  course_selection\build\classes\com\Bean\Coursebean.class

     文件       1727  2018-06-22 08:50  course_selection\build\classes\com\Bean\Studentbean.class

     文件       1242  2018-06-22 08:50  course_selection\build\classes\com\Dao\arraylist.class

     文件       2104  2018-06-22 08:50  course_selection\build\classes\com\Dao\checklogin.class

     文件       1127  2018-06-22 10:57  course_selection\build\classes\com\Dao\cour_drop.class

     文件       2167  2018-06-23 10:11  course_selection\build\classes\com\Dao\cour_select.class

     文件       1408  2018-06-22 16:35  course_selection\build\classes\com\Dao\Delete.class

     文件       1565  2018-06-23 21:34  course_selection\build\classes\com\Dao\get_acc_info.class

     文件       2221  2018-06-22 09:21  course_selection\build\classes\com\Dao\get_cou_info.class

     文件       2100  2018-06-22 08:50  course_selection\build\classes\com\Dao\get_stu_info.class

     文件       1374  2018-06-24 09:31  course_selection\build\classes\com\Dao\Insert.class

     文件       1105  2018-06-23 21:35  course_selection\build\classes\com\Dao\psw_mod.class

     文件       1680  2018-06-23 21:53  course_selection\build\classes\com\Dao\Query.class

     文件        886  2018-06-22 10:57  course_selection\build\classes\com\Dao\TestDelete.class

     文件        857  2018-06-22 16:35  course_selection\build\classes\com\Dao\TestInsert.class

     文件       1870  2018-06-22 08:50  course_selection\build\classes\com\Dao\TestQuery.class

     文件       1007  2018-06-23 15:32  course_selection\build\classes\com\Dao\TestUpdate.class

     文件       1511  2018-06-23 15:32  course_selection\build\classes\com\Dao\Update.class

     文件       1737  2018-07-15 20:15  course_selection\build\classes\com\DBUtil\DBUtil.class

     文件       1994  2018-06-22 17:07  course_selection\build\classes\com\Servlet\CdServlet.class

     文件       1846  2018-06-23 10:09  course_selection\build\classes\com\Servlet\CsServlet.class

............此处省略74个文件信息