ssm开发学校教务查询系统（高端毕业设计）的代码详情-代码-最代码

首页>代码>ssm开发学校教务查询系统（高端毕业设计）>/Examination_System/src/main/java/com/system/controller/StudentController.java
001package com.system.controller;
002 
003import com.system.exception.CustomException;
004import com.system.po.*;
005import com.system.service.CourseService;
006import com.system.service.SelectedCourseService;
007import com.system.service.StudentService;
008import org.apache.shiro.SecurityUtils;
009import org.apache.shiro.subject.Subject;
010import org.springframework.stereotype.Controller;
011import org.springframework.ui.Model;
012import org.springframework.web.bind.annotation.RequestMapping;
013 
014import javax.annotation.Resource;
015import java.util.List;
016 
017/**
018 * Created by Jacey on 2017/7/5.
019 */
020@Controller
021@RequestMapping(value = "/student")
022public class StudentController {
023 
024    @Resource(name = "courseServiceImpl")
025    private CourseService courseService;
026 
027    @Resource(name = "studentServiceImpl")
028    private StudentService studentService;
029 
030    @Resource(name = "selectedCourseServiceImpl")
031    private SelectedCourseService selectedCourseService;
032 
033    @RequestMapping(value = "/showCourse")
034    public String stuCourseShow(Model model, Integer page) throws Exception {
035 
036        List<CourseCustom> list = null;
037        //页码对象
038        PagingVO pagingVO = new PagingVO();
039        //设置总页数
040        pagingVO.setTotalCount(courseService.getCountCouse());
041        if (page == null || page == 0) {
042            pagingVO.setToPageNo(1);
043            list = courseService.findByPaging(1);
044        } else {
045            pagingVO.setToPageNo(page);
046            list = courseService.findByPaging(page);
047        }
048 
049        model.addAttribute("courseList", list);
050        model.addAttribute("pagingVO", pagingVO);
051 
052        return "student/showCourse";
053    }
054 
055    // 选课操作
056    @RequestMapping(value = "/stuSelectedCourse")
057    public String stuSelectedCourse(int id) throws Exception {
058        //获取当前用户名
059        Subject subject = SecurityUtils.getSubject();
060        String username = (String) subject.getPrincipal();
061 
062        SelectedCourseCustom selectedCourseCustom = new SelectedCourseCustom();
063        selectedCourseCustom.setCourseid(id);
064        selectedCourseCustom.setStudentid(Integer.parseInt(username));
065 
066        SelectedCourseCustom s = selectedCourseService.findOne(selectedCourseCustom);
067 
068        if (s == null) {
069            selectedCourseService.save(selectedCourseCustom);
070        } else {
071            throw new CustomException("该门课程你已经选了，不能再选");
072        }
073 
074        return "redirect:/student/selectedCourse";
075    }
076 
077    // 退课操作
078    @RequestMapping(value = "/outCourse")
079    public String outCourse(int id) throws Exception {
080        Subject subject = SecurityUtils.getSubject();
081        String username = (String) subject.getPrincipal();
082 
083        SelectedCourseCustom selectedCourseCustom = new SelectedCourseCustom();
084        selectedCourseCustom.setCourseid(id);
085        selectedCourseCustom.setStudentid(Integer.parseInt(username));
086 
087        selectedCourseService.remove(selectedCourseCustom);
088 
089        return "redirect:/student/selectedCourse";
090    }
091 
092    // 已选课程
093    @RequestMapping(value = "/selectedCourse")
094    public String selectedCourse(Model model) throws Exception {
095        //获取当前用户名
096        Subject subject = SecurityUtils.getSubject();
097        StudentCustom studentCustom = studentService.findStudentAndSelectCourseListByName((String) subject.getPrincipal());
098 
099        List<SelectedCourseCustom> list = studentCustom.getSelectedCourseList();
100 
101        model.addAttribute("selectedCourseList", list);
102 
103        return "student/selectCourse";
104    }
105 
106    // 已修课程
107    @RequestMapping(value = "/overCourse")
108    public String overCourse(Model model) throws Exception {
109 
110        //获取当前用户名
111        Subject subject = SecurityUtils.getSubject();
112        StudentCustom studentCustom = studentService.findStudentAndSelectCourseListByName((String) subject.getPrincipal());
113 
114        List<SelectedCourseCustom> list = studentCustom.getSelectedCourseList();
115 
116        model.addAttribute("selectedCourseList", list);
117 
118        return "student/overCourse";
119    }
120 
121    //修改密码
122    @RequestMapping(value = "/passwordRest")
123    public String passwordRest() throws Exception {
124        return "student/passwordRest";
125    }
126 
127 
128 
129}