首页>代码>基于(SpringMVC + Spring + Mybatis + Shiro + Bootstrap)开发的ssm教务后台管理系统>/Examination_System/src/main/java/com/system/controller/StudentController.java
package com.system.controller; import com.system.exception.CustomException; import com.system.po.*; import com.system.service.CourseService; import com.system.service.SelectedCourseService; import com.system.service.StudentService; import org.apache.shiro.SecurityUtils; import org.apache.shiro.subject.Subject; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import javax.annotation.Resource; import java.util.List; /** * Created by Jacey on 2017/7/5. */ @Controller @RequestMapping(value = "/student") public class StudentController { @Resource(name = "courseServiceImpl") private CourseService courseService; @Resource(name = "studentServiceImpl") private StudentService studentService; @Resource(name = "selectedCourseServiceImpl") private SelectedCourseService selectedCourseService; @RequestMapping(value = "/showCourse") public String stuCourseShow(Model model, Integer page) throws Exception { List<CourseCustom> list = null; //页码对象 PagingVO pagingVO = new PagingVO(); //设置总页数 pagingVO.setTotalCount(courseService.getCountCouse()); if (page == null || page == 0) { pagingVO.setToPageNo(1); list = courseService.findByPaging(1); } else { pagingVO.setToPageNo(page); list = courseService.findByPaging(page); } model.addAttribute("courseList", list); model.addAttribute("pagingVO", pagingVO); return "student/showCourse"; } // 选课操作 @RequestMapping(value = "/stuSelectedCourse") public String stuSelectedCourse(int id) throws Exception { //获取当前用户名 Subject subject = SecurityUtils.getSubject(); String username = (String) subject.getPrincipal(); SelectedCourseCustom selectedCourseCustom = new SelectedCourseCustom(); selectedCourseCustom.setCourseid(id); selectedCourseCustom.setStudentid(Integer.parseInt(username)); SelectedCourseCustom s = selectedCourseService.findOne(selectedCourseCustom); if (s == null) { selectedCourseService.save(selectedCourseCustom); } else { throw new CustomException("该门课程你已经选了,不能再选"); } return "redirect:/student/selectedCourse"; } // 退课操作 @RequestMapping(value = "/outCourse") public String outCourse(int id) throws Exception { Subject subject = SecurityUtils.getSubject(); String username = (String) subject.getPrincipal(); SelectedCourseCustom selectedCourseCustom = new SelectedCourseCustom(); selectedCourseCustom.setCourseid(id); selectedCourseCustom.setStudentid(Integer.parseInt(username)); selectedCourseService.remove(selectedCourseCustom); return "redirect:/student/selectedCourse"; } // 已选课程 @RequestMapping(value = "/selectedCourse") public String selectedCourse(Model model) throws Exception { //获取当前用户名 Subject subject = SecurityUtils.getSubject(); StudentCustom studentCustom = studentService.findStudentAndSelectCourseListByName((String) subject.getPrincipal()); List<SelectedCourseCustom> list = studentCustom.getSelectedCourseList(); model.addAttribute("selectedCourseList", list); return "student/selectCourse"; } // 已修课程 @RequestMapping(value = "/overCourse") public String overCourse(Model model) throws Exception { //获取当前用户名 Subject subject = SecurityUtils.getSubject(); StudentCustom studentCustom = studentService.findStudentAndSelectCourseListByName((String) subject.getPrincipal()); List<SelectedCourseCustom> list = studentCustom.getSelectedCourseList(); model.addAttribute("selectedCourseList", list); return "student/overCourse"; } //修改密码 @RequestMapping(value = "/passwordRest") public String passwordRest() throws Exception { return "student/passwordRest"; } }
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