蓝桥杯选课系统源码.zip

package cn.wisdsoft.api; import cn.wisdsoft.pojo.*; import cn.wisdsoft.util.ElectiveResult; import cn.wisdsoft.util.MD5Util; import cn.wisdsoft.feign.StudentFeign; import cn.wisdsoft.service.StudentService; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import javax.servlet.http.HttpSession; import java.util.Date; import java.util.UUID; /** * @ Author ：高伟萌. * @ Date ：Created in 2019-03-26 14:17 * @ Description： */ @RestController @RequestMapping("/student") public class StudentApi { private final StudentFeign studentFeign; private final StudentService studentService; public StudentApi(StudentFeign studentFeign, StudentService studentService) { this.studentFeign = studentFeign; this.studentService = studentService; } /** * 学生登录 * * @param username 学号 * @param password 密码 * @param session session * @return JSON数据 */ @PostMapping("/slogin") public ElectiveResult login(String username, String password, HttpSession session) { //缺少学期，远程调用接口 TODO String term = "2018-2019第一学期"; Integer termId = 1; //自定义返回数据 StudentVo studentVo = new StudentVo(); //将输入的密码加密 String md5Encryption = MD5Util.MD5Encryption(password); //查询本地表内是否有该学生 ElectiveResult result = studentService.login(username, md5Encryption); //生成token String token = UUID.randomUUID().toString().replaceAll("-", ""); StudentEntity student; //如果没有，则去ddms查询，之后插入本地数据库；如果有，则返回 if (result.getData() == null) { //调用DDMS的查询学生方法 ElectiveResult electiveResult = studentFeign.selectOne(username, password); if (electiveResult.getStatus() == 200 && electiveResult.getData() == null) { return ElectiveResult.build(410, "用户名或密码错误！"); } else if (electiveResult.getStatus() == 510) { return ElectiveResult.build(510, electiveResult.getMsg()); } else { StudentDo studentDo = JSONObject.parseObject(JSON.toJSONString(electiveResult.getData()), StudentDo.class); //将DDMS的学生密码加密 String encryption = MD5Util.MD5Encryption(studentDo.getStuPassword()); StudentEntity student1 = new StudentEntity(); student1.setStudentId(studentDo.getId()).setStudentPassword(encryption) .setStudentName(studentDo.getStuName()).setCollegeName(studentDo.getCollegeName()) .setGrade(Short.valueOf(studentDo.getId().substring(0, 2))); //插入本地数据库 studentService.insert(student1); studentVo.setUsername(student1.getStudentId()).setName(student1.getStudentName()) .setCollege(student1.getCollegeName()).setTermId(termId).setTerm(term).setToken(token); } } else { student = JSONObject.parseObject(JSON.toJSONString(result.getData()), StudentEntity.class); studentVo.setUsername(student.getStudentId()).setName(student.getStudentName()) .setCollege(student.getCollegeName()).setTermId(termId).setTerm(term).setToken(token); } //将用户信息存到Session中 session.setAttribute(token, studentVo); //自定义返回实体类 return ElectiveResult.ok(studentVo); } /** * 选择课程 * * @param token 用户令牌 * @param electiveCourseId 选课ID * @param courseGroupName 课组名称 * @param session session * @return JSON数据 */ @PostMapping("/getcourse") public ElectiveResult getCourse(String token, Long electiveCourseId, String courseGroupName, HttpSession session) { StudentVo studentVo = (StudentVo) session.getAttribute(token); if (studentVo == null) { return ElectiveResult.build(410, "token失效"); } StudentElectiveEntity entity = new StudentElectiveEntity(); entity.setElectiveCourseId(electiveCourseId).setStudentId(studentVo.getUsername()).setStudentName(studentVo.getName()) .setCourseFlag("learning").setTimeStamp(new Date()); return studentService.insertStudentElective(entity, studentVo.getCollege(), courseGroupName); } /** * 退课 * * @param token 用户令牌 * @param electiveCourseId 选课ID * @param session session * @return JSON数据 */ @PostMapping("/dropcourse") public ElectiveResult dropCourse(String token, Long electiveCourseId, HttpSession session) { StudentVo studentVo = (StudentVo) session.getAttribute(token); if (studentVo == null) { return ElectiveResult.build(410, "token失效"); } studentService.deleteCourse(studentVo.getUsername(), electiveCourseId); return ElectiveResult.ok(); } /** * 我的选课 * * @param token 用户令牌 * @param courseFlag 是否正在学习 * @param session session * @return JSON数据 */ @GetMapping("/mycourse") public ElectiveResult myCourse(String token, String courseFlag, HttpSession session) { StudentVo myToken = (StudentVo) session.getAttribute(token); if (myToken == null) { return ElectiveResult.build(410, "token失效"); } String studentId = myToken.getUsername(); return studentService.selectElectiveCourse(courseFlag, studentId); } }