基于Java的Acme班级事务管理系统源码.zip

package com.Service.impl; import com.Mapper.GiveMarkMapper; import com.Mapper.TeacherInfoMapper; import com.Pojo.*; import com.Mapper.StudentInfoMapper; import com.Pojo.req.StudentToClassMessage; import com.Service.IStudentInfoService; import com.Util.Constants; import com.Util.R; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import jdk.internal.dynalink.linker.LinkerServices; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.util.DigestUtils; import java.util.List; /** * <p> * 服务实现类 * </p> * * @author Acme * @since 2022-04-24 */ @Service public class StudentInfoServiceImpl extends ServiceImpl<StudentInfoMapper, StudentInfo> implements IStudentInfoService { @Autowired private StudentInfoMapper studentInfoMapper; @Autowired private GiveMarkMapper giveMarkMapper; @Autowired private TeacherInfoMapper teacherInfoMapper; //学生注册 @Override public R studentRegister(StudentInfo studentInfo) { try { if (studentInfo != null){ //对密码加密 // String pwd = DigestUtils.md5DigestAsHex(studentInfo.getPwd().getBytes()); // studentInfo.setPwd(pwd); if (studentInfoMapper.studentCheck(studentInfo.getStudentNum()) == null){ int ret = studentInfoMapper.studentRegister(studentInfo); if (ret > 0){ return R.ok(); } return R.fail(Constants.SERVER_FAIL_CODE,Constants.FAIL_MSG); } return R.fail("已经注册了！"); } return R.fail("参数输入有误"); }catch (Exception e){ log.error(e.getMessage(),e); return R.fail(Constants.SERVER_FAIL_CODE,Constants.FAIL_MSG); } } //学生登陆 @Override public R studentLogin(String num, String pwd) { try { if (studentInfoMapper.studentCheck(num) != null){ StudentInfo studentInfo = studentInfoMapper.studentLogin(num,pwd); if (studentInfo != null){ return R.ok(studentInfo); } return R.fail("用户或密码错误"); } return R.fail("不存在当前用户"); }catch (Exception e){ log.error(e.getMessage(),e); return R.fail(Constants.SERVER_FAIL_CODE,Constants.FAIL_MSG); } } //添加评论 @Override public R addComment(GiveMark giveMark) { try { if (giveMarkMapper.addgiveMark(giveMark) > 0){ return R.ok(); } return R.fail(Constants.SERVER_FAIL_CODE,Constants.FAIL_MSG); }catch (Exception e){ log.error(e.getMessage(),e); return R.fail(Constants.SERVER_FAIL_CODE,Constants.FAIL_MSG); } } //查询班级下的学生 @Override public R selectStudnetByClassId(int id) { try { if (0 != id){ List<StudentInfo> studentInfos = studentInfoMapper.selectStudnetByClassId(id); return studentInfoMapper.selectStudnetByClassId(id) != null?R.ok(studentInfos):R.fail("没有改班级"); } return R.fail("参数不能为空"); }catch (Exception e){ e.getMessage(); e.printStackTrace(); return R.fail(); } } //查询全部学生 @Override public R selectAllStudent() { return R.ok(studentInfoMapper.selectAllStudent()); } //更新学生信息 @Override public R updateStudentInfo(StudentInfo studentInfo) { try { return studentInfoMapper.updateMyselfInfo(studentInfo) < 0 ?R.fail():R.ok(); }catch (Exception e){ e.getMessage(); e.printStackTrace(); return R.fail(); } } //删除学生信息 @Override public R deleteStudent(int id) { try { int ret = studentInfoMapper.deleteStudentById(id); if (ret == 0){ return R.fail(Constants.FAIL_CODE,"没有这条数据"); } return ret > 0?R.ok():R.fail(); }catch (Exception e){ e.getMessage(); e.printStackTrace(); return R.fail(); } } //学生给班级留言 @Override public R studentMessageToClass(StudentToClassMessage studentToClassMessage) { try { if (null != studentToClassMessage){ return studentInfoMapper.leaveAMessageForClass(studentToClassMessage) > 0?R.ok():R.fail(); } return R.fail("参数不能为空"); }catch (Exception e){ e.getMessage(); e.printStackTrace(); return R.fail(); } } //学生对个人留言 @Override public R singleTosingle(PersonMessage personMessage) { try { if (StringUtils.isNoneBlank(personMessage.getPersonId()) && StringUtils.isNoneBlank(personMessage.getGetId())){ return studentInfoMapper.singleMessageToSingle(personMessage) > 0?R.ok():R.fail(); } return R.fail("参数不能为空"); }catch (Exception e){ e.getMessage(); e.printStackTrace(); return R.fail(); } } //找回密码 @Override public R recoverPwd(String pwd, String email) { try { if (StringUtils.isNoneBlank(pwd) && StringUtils.isNoneBlank(email)){ return studentInfoMapper.recoverPwd(pwd,email) > 0?R.ok():R.fail(); } return R.fail("参数不能为空"); }catch (Exception e){ return R.fail(); } } //查询为完成的作业信息 @Override public R selectAllHomework(int classId) { try { if (0 != classId){ List<HomeworkInfo> list = studentInfoMapper.selectAllHomeworkByClassId(classId); return R.ok(list); } return R.fail("id不能为空"); }catch (Exception e){ e.printStackTrace(); return R.fail(e.getMessage()); } } }