|  |  |  | @ -13,10 +13,7 @@ import java.util.ArrayList; | 
			
		
	
		
			
				
					|  |  |  |  | import java.util.List; | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  | /** | 
			
		
	
		
			
				
					|  |  |  |  |  * Description: | 
			
		
	
		
			
				
					|  |  |  |  |  * | 
			
		
	
		
			
				
					|  |  |  |  |  * @Date: 2020/2/17 14:22 | 
			
		
	
		
			
				
					|  |  |  |  |  * @Author: PeiChen | 
			
		
	
		
			
				
					|  |  |  |  |  * StudentServiceImpl类实现了StudentService接口,提供学生信息的管理功能。 | 
			
		
	
		
			
				
					|  |  |  |  |  */ | 
			
		
	
		
			
				
					|  |  |  |  | @Service("studentService") | 
			
		
	
		
			
				
					|  |  |  |  | public class StudentServiceImpl implements StudentService { | 
			
		
	
	
		
			
				
					|  |  |  | @ -29,20 +26,23 @@ public class StudentServiceImpl implements StudentService { | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 查询所有学生信息 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception | 
			
		
	
		
			
				
					|  |  |  |  |      * 查询所有学生信息,支持分页。 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param page 当前页码 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param size 每页显示的记录数 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return 学生列表 | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception 异常处理 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     public List<Student> findAll(int page,int size) throws Exception { | 
			
		
	
		
			
				
					|  |  |  |  |         PageHelper.startPage(page,size); | 
			
		
	
		
			
				
					|  |  |  |  |     public List<Student> findAll(int page, int size) throws Exception { | 
			
		
	
		
			
				
					|  |  |  |  |         PageHelper.startPage(page, size); | 
			
		
	
		
			
				
					|  |  |  |  |         return studentDao.findAll(); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 通过学号sno查询学生信息 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception | 
			
		
	
		
			
				
					|  |  |  |  |      * 根据学号查询学生信息。 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param sno 学号 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return 学生对象 | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception 异常处理 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     public Student findBySno(String sno) throws Exception { | 
			
		
	
	
		
			
				
					|  |  |  | @ -50,26 +50,30 @@ public class StudentServiceImpl implements StudentService { | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 模糊查询学生信息 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception | 
			
		
	
		
			
				
					|  |  |  |  |      * 模糊查询学生信息,支持分页。 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param page 当前页码 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param size 每页显示的记录数 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param keyword 查询关键字 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return 学生列表 | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception 异常处理 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     public List<Student> search(int page, int size, String keyword) throws Exception { | 
			
		
	
		
			
				
					|  |  |  |  |         PageHelper.startPage(page,size); | 
			
		
	
		
			
				
					|  |  |  |  |         PageHelper.startPage(page, size); | 
			
		
	
		
			
				
					|  |  |  |  |         return studentDao.search(keyword); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 添加学生信息 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param student | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception | 
			
		
	
		
			
				
					|  |  |  |  |      * 添加学生信息。 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param student 学生对象 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return 是否添加成功 | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception 异常处理 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     public boolean add(Student student) throws Exception { | 
			
		
	
		
			
				
					|  |  |  |  |         if (student == null || student.getName() == null || student.getSex() == null || student.getSno() == null | 
			
		
	
		
			
				
					|  |  |  |  |                 || student.getPhone() == null || student.getPlace() == null || student.getDorm_id() == null | 
			
		
	
		
			
				
					|  |  |  |  |                 || student.getTeacher() == null || student.getStu_class() == null || student.getStatus() == null)  { | 
			
		
	
		
			
				
					|  |  |  |  |                 || student.getTeacher() == null || student.getStu_class() == null || student.getStatus() == null) { | 
			
		
	
		
			
				
					|  |  |  |  |             return false; | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |         studentDao.add(student); | 
			
		
	
	
		
			
				
					|  |  |  | @ -77,9 +81,9 @@ public class StudentServiceImpl implements StudentService { | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 根据学号删除学生 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param sno | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception | 
			
		
	
		
			
				
					|  |  |  |  |      * 根据学号删除学生信息。 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param sno 学号 | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception 异常处理 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     public void delete(String sno) throws Exception { | 
			
		
	
	
		
			
				
					|  |  |  | @ -87,9 +91,9 @@ public class StudentServiceImpl implements StudentService { | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 修改学生信息 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param student | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception | 
			
		
	
		
			
				
					|  |  |  |  |      * 修改学生信息。 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param student 学生对象 | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception 异常处理 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     public void update(Student student) throws Exception { | 
			
		
	
	
		
			
				
					|  |  |  | @ -97,14 +101,14 @@ public class StudentServiceImpl implements StudentService { | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 导出学生信息 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception | 
			
		
	
		
			
				
					|  |  |  |  |      * 导出学生信息到Excel文件。 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return 输入流,用于读取生成的Excel文件 | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception 异常处理 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     public InputStream getInputStream() throws Exception { | 
			
		
	
		
			
				
					|  |  |  |  |         //Excel中的每列列名,依次对应数据库的字段
 | 
			
		
	
		
			
				
					|  |  |  |  |         String[] title = new String[]{"姓名","性别","学号","班级","联系方式","家庭住址","宿舍号","育人导师","状态"}; | 
			
		
	
		
			
				
					|  |  |  |  |         // Excel中的每列列名,依次对应数据库的字段
 | 
			
		
	
		
			
				
					|  |  |  |  |         String[] title = new String[]{"姓名", "性别", "学号", "班级", "联系方式", "家庭住址", "宿舍号", "育人导师", "状态"}; | 
			
		
	
		
			
				
					|  |  |  |  |         List<Student> students = studentDao.findAll(); | 
			
		
	
		
			
				
					|  |  |  |  |         List<Object[]> datalist = new ArrayList<>(); | 
			
		
	
		
			
				
					|  |  |  |  |         for (int i = 0; i < students.size(); i++) { | 
			
		
	
	
		
			
				
					|  |  |  | @ -120,17 +124,16 @@ public class StudentServiceImpl implements StudentService { | 
			
		
	
		
			
				
					|  |  |  |  |             obj[8] = students.get(i).getStatus(); | 
			
		
	
		
			
				
					|  |  |  |  |             datalist.add(obj); | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |         WriteExcel excel = new WriteExcel(title,datalist); | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         WriteExcel excel = new WriteExcel(title, datalist); | 
			
		
	
		
			
				
					|  |  |  |  |         return excel.export(); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 根据宿舍号查询状态为status的学生 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param dorm_id | 
			
		
	
		
			
				
					|  |  |  |  |      * @param status | 
			
		
	
		
			
				
					|  |  |  |  |      * @return | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception | 
			
		
	
		
			
				
					|  |  |  |  |      * 根据宿舍号查询状态为status的学生。 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param dorm_id 宿舍号 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param status 状态值 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return 学生列表 | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception 异常处理 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     public List<Student> findByDormId(String dorm_id, Integer status) throws Exception { | 
			
		
	
	
		
			
				
					|  |  |  | @ -138,20 +141,31 @@ public class StudentServiceImpl implements StudentService { | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 查询育人导师为teacher的学生集合 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param teacher | 
			
		
	
		
			
				
					|  |  |  |  |      * @return | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception | 
			
		
	
		
			
				
					|  |  |  |  |      * 查询育人导师为teacher的学生集合,支持分页。 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param page 当前页码 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param size 每页显示的记录数 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param teacher 育人导师名称 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return 学生列表 | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception 异常处理 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     public List<Student> findByTeacher(int page,int size,String teacher) throws Exception { | 
			
		
	
		
			
				
					|  |  |  |  |         PageHelper.startPage(page,size); | 
			
		
	
		
			
				
					|  |  |  |  |     public List<Student> findByTeacher(int page, int size, String teacher) throws Exception { | 
			
		
	
		
			
				
					|  |  |  |  |         PageHelper.startPage(page, size); | 
			
		
	
		
			
				
					|  |  |  |  |         return studentDao.findByTeacher(teacher); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 根据育人导师和关键字模糊查询学生信息,支持分页。 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param page 当前页码 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param size 每页显示的记录数 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param teacher 育人导师名称 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param keyword 查询关键字 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return 学生列表 | 
			
		
	
		
			
				
					|  |  |  |  |      * @throws Exception 异常处理 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     @Override | 
			
		
	
		
			
				
					|  |  |  |  |     public List<Student> searchStudent(int page, int size, String teacher, String keyword) throws Exception { | 
			
		
	
		
			
				
					|  |  |  |  |         PageHelper.startPage(page,size); | 
			
		
	
		
			
				
					|  |  |  |  |         return studentDao.searchStudent(teacher,keyword); | 
			
		
	
		
			
				
					|  |  |  |  |         PageHelper.startPage(page, size); | 
			
		
	
		
			
				
					|  |  |  |  |         return studentDao.searchStudent(teacher, keyword); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
	
		
			
				
					|  |  |  | 
 |