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Dormitory_Management_System
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branch_shen
shen 3 months ago
parent e87530308b
commit 193fa5b67e
1 changed files with 149 additions and 139 deletions
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288
src/main/java/cn/ppdxzz/controller/StudentController.java
Unescape View File

@ -22,15 +22,14 @@ import java.util.List;
/** /**
* Description: * Description:
*
* @Date: 2020/2/17 14:17
* @Author: PeiChen
*/ */
@Controller @Controller
@RequestMapping("/student") @RequestMapping("/student")
public class StudentController { public class StudentController {
private StudentService studentService; private StudentService studentService;
@Autowired @Autowired
public void setStudentService(StudentService studentService) { public void setStudentService(StudentService studentService) {
this.studentService = studentService; this.studentService = studentService;
@ -38,6 +37,7 @@ public class StudentController {
/** /**
* 查询所有学生信息 * 查询所有学生信息
*
* @param page * @param page
* @param size * @param size
* @param request * @param request
@ -46,160 +46,170 @@ public class StudentController {
* @throws Exception * @throws Exception
*/ */
@RequestMapping("/findAll") @RequestMapping("/findAll")
public ModelAndView findAll(@RequestParam(name = "page", required = true, defaultValue = "1") int page, @RequestParam(name = "size", required = true, defaultValue = "5") int size, HttpServletRequest request, HttpServletResponse response) throws Exception { public class StudentController {
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
ModelAndView mv = new ModelAndView();
List<Student> list = null;
String keyword = request.getParameter("keyword");
if (keyword == null || keyword.trim().equals("") || keyword.length() == 0) {
list = studentService.findAll(page, size);
}else {
list = studentService.search(page,size,keyword);
}
//PageInfo就是一个封装了分页数据的bean
PageInfo pageInfo = new PageInfo(list);
mv.addObject("pageInfo",pageInfo);
mv.setViewName("student-list");
return mv; private StudentService studentService;
}
/** @Autowired
* 根据学号删除学生 public void setStudentService(StudentService studentService) {
* @param request this.studentService = studentService;
* @param response
* @throws Exception
*/
@RequestMapping("/delete")
public void delete(HttpServletRequest request,HttpServletResponse response) throws Exception {
response.setCharacterEncoding("utf-8");
PrintWriter writer = response.getWriter();
String sno = request.getParameter("sno");
if (sno == null || "".equals(sno) || sno.length() == 0) {
writer.write("false");
return;
} }
studentService.delete(sno);
writer.write("true");
} /**
* 查询所有学生信息
*
* @param page 当前页码
* @param size 每页显示的记录数
* @param request HTTP请求对象
* @param response HTTP响应对象
* @return ModelAndView 包含分页数据和视图名称
* @throws Exception 抛出异常
*/
@RequestMapping("/findAll")
public ModelAndView findAll(@RequestParam(name = "page", required = true, defaultValue = "1") int page, @RequestParam(name = "size", required = true, defaultValue = "5") int size, HttpServletRequest request, HttpServletResponse response) throws Exception {
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
ModelAndView mv = new ModelAndView();
List<Student> list = null;
String keyword = request.getParameter("keyword");
if (keyword == null || keyword.trim().equals("") || keyword.length() == 0) {
list = studentService.findAll(page, size);
} else {
list = studentService.search(page, size, keyword);
}
PageInfo pageInfo = new PageInfo(list);
mv.addObject("pageInfo", pageInfo);
mv.setViewName("student-list");
return mv;
}
/** /**
* 判断指定学号是否存在 * 根据学号删除学生
* @param request *
* @param response * @param request HTTP请求对象
* @throws Exception * @param response HTTP响应对象
*/ * @throws Exception 抛出异常
@RequestMapping("/isExist") */
public void isSnoExist(HttpServletRequest request,HttpServletResponse response) throws Exception { @RequestMapping("/delete")
request.setCharacterEncoding("utf-8"); public void delete(HttpServletRequest request, HttpServletResponse response) throws Exception {
response.setCharacterEncoding("utf-8"); response.setCharacterEncoding("utf-8");
PrintWriter writer = response.getWriter(); PrintWriter writer = response.getWriter();
String sno = request.getParameter("sno"); String sno = request.getParameter("sno");
Student isExist = studentService.findBySno(sno); if (sno == null || "".equals(sno) || sno.length() == 0) {
if (isExist == null) { writer.write("false");
return; return;
}
studentService.delete(sno);
writer.write("true");
} }
//如果isExist不为空说明学号已被注册
writer.write("true");
} /**
* 判断指定学号是否存在
*
* @param request HTTP请求对象
* @param response HTTP响应对象
* @throws Exception 抛出异常
*/
@RequestMapping("/isExist")
public void isSnoExist(HttpServletRequest request, HttpServletResponse response) throws Exception {
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
PrintWriter writer = response.getWriter();
String sno = request.getParameter("sno");
Student isExist = studentService.findBySno(sno);
if (isExist == null) {
return;
}
writer.write("true");
}
@RequestMapping("/addStudent") @RequestMapping("/addStudent")
public ModelAndView addStudent(HttpServletRequest request) throws Exception { public ModelAndView addStudent(HttpServletRequest request) throws Exception {
request.setCharacterEncoding("utf-8"); request.setCharacterEncoding("utf-8");
ModelAndView mv = new ModelAndView(); ModelAndView mv = new ModelAndView();
String dorm_id = request.getParameter("dorm_id"); String dorm_id = request.getParameter("dorm_id");
if (dorm_id != null) { if (dorm_id != null) {
mv.addObject("dorm_id",dorm_id); mv.addObject("dorm_id", dorm_id);
mv.setViewName("dormStudent-add"); mv.setViewName("dormStudent-add");
return mv;
}
mv.setViewName("student-add");
return mv; return mv;
} }
mv.setViewName("student-add");
return mv;
}
/** /**
* 添加学生信息 * 添加学生信息
* @param student *
* @param response * @param student 学生对象
* @throws Exception * @param response HTTP响应对象
*/ * @throws Exception 抛出异常
@RequestMapping("/add") */
public void add(Student student,HttpServletResponse response) throws Exception { @RequestMapping("/add")
PrintWriter writer = response.getWriter(); public void add(Student student, HttpServletResponse response) throws Exception {
if (student == null || studentService.findBySno(student.getSno()) != null) { PrintWriter writer = response.getWriter();
writer.write("false"); if (student == null || studentService.findBySno(student.getSno()) != null) {
return; writer.write("false");
return;
}
Student s = studentService.findBySno(student.getSno());
if (s != null) {
writer.write("false");
return;
}
boolean isAdd = studentService.add(student);
if (isAdd) {
writer.write("true");
} else {
writer.write("false");
}
} }
Student s = studentService.findBySno(student.getSno()); @RequestMapping("/editStudent")
if (s != null) { public ModelAndView editStudent(HttpServletRequest request) throws Exception {
writer.write("false"); ModelAndView mv = new ModelAndView();
return; request.setCharacterEncoding("utf-8");
String sno = request.getParameter("sno");
Student stu = studentService.findBySno(sno);
mv.addObject("stu", stu);
mv.setViewName("student-edit");
return mv;
} }
boolean isAdd = studentService.add(student);
if (isAdd) { /**
* 修改学生信息
*
* @param student 学生对象
* @param response HTTP响应对象
* @throws Exception 抛出异常
*/
@RequestMapping("/update")
public void update(Student student, HttpServletResponse response) throws Exception {
response.setCharacterEncoding("utf-8");
PrintWriter writer = response.getWriter();
if (student == null || student.getId() == null) {
return;
}
if (student.getName() == null || "".equals(student.getName()) || student.getName().length() == 0 || student.getSex() == null || student.getSex().length() == 0 || "".equals(student.getSex()) || student.getSno() == null || "".equals(student.getSno()) || student.getSno().length() == 0 || student.getPhone() == null || "".equals(student.getPhone()) || student.getPhone().length() == 0 || student.getStu_class() == null || "".equals(student.getStu_class()) || student.getStu_class().length() == 0 || student.getPlace() == null || "".equals(student.getPlace()) || student.getPlace().length() == 0 || student.getDorm_id() == null || "".equals(student.getDorm_id()) || student.getDorm_id().length() == 0 || student.getTeacher() == null || "".equals(student.getTeacher()) || student.getTeacher().length() == 0) {
return;
}
studentService.update(student);
writer.write("true"); writer.write("true");
}else {
writer.write("false");
} }
} /**
* 导出学生数据为Excel
@RequestMapping("/editStudent") *
public ModelAndView editStudent(HttpServletRequest request) throws Exception { * @param response HTTP响应对象
ModelAndView mv = new ModelAndView(); * @throws Exception 抛出异常
request.setCharacterEncoding("utf-8"); */
String sno = request.getParameter("sno"); @RequestMapping("/export")
Student stu = studentService.findBySno(sno); public void export(HttpServletResponse response) throws Exception {
mv.addObject("stu",stu); InputStream is = studentService.getInputStream();
mv.setViewName("student-edit"); response.setContentType("application/vnd.ms-excel");
return mv; response.setHeader("contentDisposition", "attachment;filename=studentsInfo.xls");
} ServletOutputStream outputStream = response.getOutputStream();
/** IOUtils.copy(is, outputStream);
* 修改学生信息
* @param student
* @param response
* @throws Exception
*/
@RequestMapping("/update")
public void update(Student student,HttpServletResponse response) throws Exception {
response.setCharacterEncoding("utf-8");
PrintWriter writer = response.getWriter();
if (student == null || student.getId() == null) {
return;
}
if (student.getName() == null || "".equals(student.getName()) || student.getName().length() == 0
|| student.getSex() == null || student.getSex().length() == 0 || "".equals(student.getSex())
|| student.getSno() == null || "".equals(student.getSno()) || student.getSno().length() == 0
|| student.getPhone() == null || "".equals(student.getPhone()) || student.getPhone().length() == 0
|| student.getStu_class() == null || "".equals(student.getStu_class()) || student.getStu_class().length() == 0
|| student.getPlace() == null || "".equals(student.getPlace()) || student.getPlace().length() == 0
|| student.getDorm_id() == null || "".equals(student.getDorm_id()) || student.getDorm_id().length() == 0
|| student.getTeacher() == null || "".equals(student.getTeacher()) || student.getTeacher().length() == 0 ) {
return;
} }
studentService.update(student);
writer.write("true");
} }
/**
* 导出学生数据为Excel
* @param response
* @throws Exception
*/
@RequestMapping("/export")
public void export(HttpServletResponse response) throws Exception {
InputStream is = studentService.getInputStream();
response.setContentType("application/vnd.ms-excel");
response.setHeader("contentDisposition", "attachment;filename=studentsInfo.xls");
ServletOutputStream outputStream = response.getOutputStream();
IOUtils.copy(is,outputStream);
}
} }

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