毕业设计，学生信息管理系统.zip

package com.lb.controller; import com.google.common.collect.Lists; import com.lb.entity.Course; import com.lb.entity.Grade; import com.lb.entity.StudentClass; import com.lb.entity.User; import com.lb.mapper.CourseAndClassNameVoMapper; import com.lb.mapper.CourseClassVoMapper; import com.lb.mapper.mappervo.CourseAndClassNameVo; import com.lb.service.CourseService; import com.lb.service.GradeService; import com.lb.mapper.mappervo.CourseClassVo; import com.lb.service.StudentClassService; import com.lb.service.StudentService; import com.lb.utils.DeleteCode; import com.lb.vo.GradeVo; import io.swagger.annotations.ApiOperation; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.util.CollectionUtils; import org.springframework.web.bind.annotation.*; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import java.util.Arrays; import java.util.Date; import java.util.List; import java.util.stream.Collectors; /** * @author luobo * @date 2021-04-26 16:47 * @description 学生成绩管理 */ @Controller @RequestMapping("/grade") public class GradeController { private static final Logger LOGGER = LoggerFactory.getLogger(GradeController.class); @Autowired private GradeService gradeService; //由于时间原因直接从mapper拿数据了。 @Autowired private CourseClassVoMapper courseClassVoMapper; @Autowired private CourseAndClassNameVoMapper courseAndClassNameVoMapper; @Autowired private StudentService studentService; @Autowired private CourseService courseService; @Autowired private StudentClassService studentClassService; @ApiOperation("用于显示学生成绩教师所拥有的的课程") @GetMapping("/showCourseName") public ModelAndView showCourseName(HttpServletRequest req) { ModelAndView modelAndView = new ModelAndView(); //获取用户姓名 String username = (String) req.getSession().getAttribute("username"); List<CourseClassVo> courseClassVos = courseClassVoMapper.queryTeacherWithCourseAndStuClass(username); List<StringBuilder> showCourseNameAndClassName = Lists.newArrayList(); for (CourseClassVo courseClassVo : courseClassVos) { StringBuilder courseNameAndClassName = new StringBuilder(); courseNameAndClassName.append(courseClassVo.getCourseName()); courseNameAndClassName.append(":"); courseNameAndClassName.append(courseClassVo.getClassName()); showCourseNameAndClassName.add(courseNameAndClassName); } modelAndView.addObject("showCourseNameAndClassName", showCourseNameAndClassName); modelAndView.setViewName("grade/gradeTeacher"); return modelAndView; } @ApiOperation("通过班级名称查询该班级成绩") @GetMapping(value = "/queryGradeList") public ModelAndView queryCourseByClassName(@RequestParam String courseNameAndClassName) { LOGGER.info("********接收查询课程的名字" + courseNameAndClassName); ModelAndView modelAndView = new ModelAndView(); String AfterClassNameTrim = courseNameAndClassName.trim(); //截取字符串转化为数组，数组转化为集合最后获取班级名称和课程名称 String[] courseAndClass = AfterClassNameTrim.split(":"); List<String> courseAndClassList = Arrays.asList(courseAndClass); String courseName = courseAndClassList.get(0); String className = courseAndClassList.get(1); CourseAndClassNameVo courseAndClassNameVo = courseAndClassNameVoMapper.queryIdsByCourseAndClassName1(courseName, className); List<Grade> grades = gradeService.queryGradeByCourseAndClass(courseAndClassNameVo.getCourseId(), courseAndClassNameVo.getClassId()); if (CollectionUtils.isEmpty(grades)){ modelAndView.addObject("NotFound", "暂无数据"); modelAndView.setViewName("grade/gradeTeacher::showCourseGrade"); } List<GradeVo> gradeVos = Lists.newArrayList(); for (Grade grade : grades) { Integer studentId = grade.getStudentId(); Integer courseId = grade.getCourseId(); //获取学生名字 User user = studentService.queryStudentNameById(studentId); String gradeStudentName = user.getName(); //获取班级名称 Course course = courseService.queryCourseNameById(courseId); String gradeCourseName = course.getCourseName(); //获取班级名称 StudentClass studentClass = studentClassService.queryStudentClassNameById(grade.getClassId()); String gradeClassName = studentClass.getClassName(); //将查询出来的数据库表实体转换传到前端页面 GradeVo gradeVo = new GradeVo(); gradeVo.setId(grade.getId()); gradeVo.setStudentName(gradeStudentName); gradeVo.setCourseName(gradeCourseName); gradeVo.setClassName(gradeClassName); gradeVo.setGrade(grade.getGrade()); gradeVo.setUpdateTime(grade.getUpdateTime()); gradeVo.setStatus(grade.getStatus()); //转换的添加集合 gradeVos.add(gradeVo); } modelAndView.addObject("gradeVos", gradeVos); modelAndView.setViewName("grade/gradeTeacher::showCourseGrade"); return modelAndView; } @ApiOperation("根据ID查询学生的成绩信息") @GetMapping("/updateGrade/{id}") public ModelAndView updateCourseQuery(@PathVariable Integer id) { ModelAndView modelAndView = new ModelAndView(); Grade grade = new Grade(); grade.setId(id); Grade editGrade = gradeService.queryGradeById(grade); Integer studentId = editGrade.getStudentId(); Integer courseId = editGrade.getCourseId(); Integer classId = editGrade.getClassId(); //获取学生名字 User user = studentService.queryStudentNameById(studentId); String gradeStudentName = user.getName(); //获取班级名称 Course course = courseService.queryCourseNameById(courseId); String gradeCourseName = course.getCourseName(); //获取班级名称 StudentClass studentClass = studentClassService.queryStudentClassNameById(classId); String gradeClassName = studentClass.getClassName(); //将查询出来的数据库表实体转换传到前端页面 GradeVo gradeVo = new GradeVo(); gradeVo.setId(editGrade.getId()); gradeVo.setStudentName(gradeStudentName); gradeVo.setCourseName(gradeCourseName); gradeVo.setClassName(gradeClassName); gradeVo.setGrade(editGrade.getGrade()); gradeVo.setUpdateTime(editGrade.getUpdateTime()); gradeVo.setStatus(editGrade.getStatus()); modelAndView.addObject("gradeVo", gradeVo); modelAndView.setViewName("grade/addGrade"); //查询学生的信息 return modelAndView; } //不修改信息直接返回 @GetMapping("/returnToList") public String returnToList() { return "redirect:showCourseName"; } @ApiOperation("学生成绩添加") @PostMapping("/addGrade") public ModelAndView addGrade(GradeVo gradeVo) { ModelAndView modelAndView = new ModelAndView(); Grade grade = new Grade(); grade.setId(gradeVo.getId()); grade.setGrade(gradeVo.getGrade()); grade.setUpdateTime(new Date()); gradeService.addGradeById(grade); modelAndView.setViewName("redirect:showCourseName"); return modelAndView; } @ApiOperation("删除学生成绩信息") @GetMapping("/delete/{id}") @ResponseBody public String deleteCourse(@PathVariable Integer i