基于Servlet+jsp+mysql开发javaWeb学生成绩管理系统（新增echarts统计图）

原项目升级版，新增新增echarts统计图。 原资源：https://download.csdn.net/download/CDWLX/12969819 博客讲解：https://blog.csdn.net/CDWLX/article/details/109162863

package dao;

import java.util.List;

import model.Course;
import model.PageBean;


public interface CourseDao {
	/*
	 * 添加课程
	 */
	int addCos（Course course String courseDate）;
	/*
	 * 删除课程
	 */
	int deleteCos（int courseID）;
	/*
	 * 修改课程
	 */
	int editCos（Course courseString courseDate）;
	/*
	 * 查询所有课程
	 */
	List findAll（）;
	/*
	 * 查询一个课程
	 */
	List findOne（int courseID）;
	/*
	 * 查询该课程是否存在
	 */
	Course selectOneCos（Course cours）;
	/*
	 * 分页查询课程
	 */
	PageBean courseListPage（int pageNoint pageCount）;

}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件        1272  2020-10-09 09:38  StuAMSystem\.classpath
     文件         312  2020-05-09 13:34  StuAMSystem\.mymetadata
     文件        1754  2020-05-09 13:34  StuAMSystem\.project
     文件         500  2020-05-09 13:34  StuAMSystem\.settings\.jsdtscope
     文件         125  2020-05-09 13:34  StuAMSystem\.settings\com.genuitec.eclipse.core.prefs
     文件         247  2020-05-09 13:34  StuAMSystem\.settings\com.genuitec.eclipse.migration.prefs
     文件         118  2020-10-09 09:39  StuAMSystem\.settings\org.eclipse.core.resources.prefs
     文件         598  2020-10-09 09:38  StuAMSystem\.settings\org.eclipse.jdt.core.prefs
     文件         559  2020-05-09 13:34  StuAMSystem\.settings\org.eclipse.wst.common.component
     文件         359  2020-05-09 13:34  StuAMSystem\.settings\org.eclipse.wst.common.project.facet.core.xml
     文件          49  2020-05-09 13:34  StuAMSystem\.settings\org.eclipse.wst.jsdt.ui.superType.container
     文件           6  2020-05-09 13:34  StuAMSystem\.settings\org.eclipse.wst.jsdt.ui.superType.name
     文件          39  2020-05-09 13:34  StuAMSystem\WebRoot\meta-INF\MANIFEST.MF
     文件          25  2020-05-09 13:34  StuAMSystem\WebRoot\WEB-INF\classes\meta-INF\MANIFEST.MF
     文件         386  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\dao\CourseDao.class
     文件        5234  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\dao\Impl\CourseDaoImpl.class
     文件        2403  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\dao\Impl\EmpBiz.class
     文件       12534  2020-12-02 02:32  StuAMSystem\WebRoot\WEB-INF\classes\dao\Impl\ScoreDaoImpl.class
     文件        4809  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\dao\Impl\StudentDaoImpl.class
     文件        4795  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\dao\Impl\TeacherDaoImpl.class
     文件        4173  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\dao\Impl\UserDaoImpl.class
     文件         722  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\dao\ScoreDao.class
     文件         346  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\dao\StudentDao.class
     文件         346  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\dao\TeacherDao.class
     文件         302  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\dao\UserDao.class
     文件        2724  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\db\DBCon.class
     文件         123  2020-05-09 13:34  StuAMSystem\WebRoot\WEB-INF\classes\db.properties
     文件        1623  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\filter\EncodingFilter.class
     文件        2037  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\filter\LoginFilter.class
     文件        2083  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\model\Course.class
     文件        1635  2020-12-02 01:52  StuAMSystem\WebRoot\WEB-INF\classes\model\PageBean.class
............此处省略313个文件信息