课设题目
学生考试质量分析系统设计
课设要求
用户管理学生信息的录入、删除、修改将当前系统中的信息保存在文件中，并可将保存在文件中的信息读入到当前系统中，供用户进行使用根据以下关键字进行查询: 学生学号、姓名、班级、课程名称分 别按照学号、单科成绩、总成绩、平均成绩进行排序查询每门课程的最高分、 最低分及相应学生学号、姓名和班级对某门课以班为单位统计不同分数段的学生数及所占比例程序运行界面
核心代码
void pupil::OnButton4() {// TODO: Add your control notification handler code hereUpdateData(true);int sel = m_pupil.GetSelectionMark();if(sel ==-1){MessageBox("请选择需要修改的车票！");}else if(m_id==""&&m_name==""&&m_sex==""&&m_age==""&&m_class==""&&m_chinese==""&&m_math==""&&m_english==""){MessageBox("修改信息有误，请重新修改!");}else{stu[sel].student_id = m_id;stu[sel].name = m_name;stu[sel].sex =m_sex;stu[sel].age = m_age;stu[sel].class_id= m_class;stu[sel].chinese= m_chinese;stu[sel].math= m_math;stu[sel].english= m_english;m_pupil.SetItemText(sel,0,m_id); m_pupil.SetItemText(sel,1,m_name); m_pupil.SetItemText(sel,2,m_sex); m_pupil.SetItemText(sel,3,m_age); m_pupil.SetItemText(sel,4,m_class);m_pupil.SetItemText(sel,5,m_chinese);m_pupil.SetItemText(sel,6,m_math);m_pupil.SetItemText(sel,7,m_english);MessageBox("修改信息成功!");}}void pupil::OnButton5() {// TODO: Add your control notification handler code hereint n = m_pupil.GetSelectionMark();if(n<0)MessageBox("请选中要删除的信息!");else{stu.erase(stu.begin()+n);m_pupil.DeleteItem(n);//清空编辑框m_id="";m_name="";m_sex="";m_age="";m_class="";m_chinese="";m_math="";m_english="";UpdateData(false);MessageBox("删除成功!");}}void pupil::OnButton6() {// TODO: Add your control notification handler code here// TODO: Add your control notification handler code hereUpdateData(true);int flag = 1;int i = 0;if (stu.size()==0){flag = 0;MessageBox("当前系统未有学生信息!");}else if( m_id==""&&m_name==""&&m_class==""){flag = 0;MessageBox("请输入查询信息!");}if (flag==1) {for( i = 0;i < stu.size();i++){if ( stu[i].student_id == m_id||stu[i].name == m_name||stu[i].class_id == m_class){MessageBox("学生信息成功找到!");m_id = stu[i].student_id;m_name = stu[i].name;m_sex = stu[i].sex;m_age = stu[i].age;m_class = stu[i].class_id;m_chinese = stu[i].chinese;m_math = stu[i].math;m_english = stu[i].english;UpdateData(false);break;}}}if (i==stu.size()&&flag==1){MessageBox("学生信息未找到!");}}bool sort_id(Student &a,Student &b){return _ttoi(a.student_id)>_ttoi(b.student_id);}void pupil::OnButton9() {int index = m_x.GetCurSel();CString choice;m_x.GetLBText(index,choice); if(choice=="平均成绩"){std::sort(stu.begin(),stu.end(),Student::sort_ave_nums);}else if(choice=="语文"){std::sort(stu.begin(),stu.end(),Student::sort_chinese);}else if(choice=="数学"){std::sort(stu.begin(),stu.end(),Student::sort_math);}else if(choice=="英语"){std::sort(stu.begin(),stu.end(),Student::sort_english);}else if(choice=="学号"){std::sort(stu.begin(),stu.end(),Student::sort_id);}else // 总成绩排序{std::sort(stu.begin(),stu.end(),Student::sort_nums);}m_pupil.DeleteAllItems(); // 全部清空 for (int i=0;i<stu.size();i++){m_pupil.InsertItem(i,stu[i].student_id);m_pupil.SetItemText(i,1,stu[i].name);m_pupil.SetItemText(i,2,stu[i].sex);m_pupil.SetItemText(i,3,stu[i].age);m_pupil.SetItemText(i,4,stu[i].class_id);m_pupil.SetItemText(i,5,stu[i].chinese);m_pupil.SetItemText(i,6,stu[i].math);m_pupil.SetItemText(i,7,stu[i].english);m_pupil.SetItemText(i,8,stu[i].nums);m_pupil.SetItemText(i,9,stu[i].ave_nums);}}void pupil::OnButton11() {// TODO: Add your control notification handler code hereint index = m_y.GetCurSel();CString choice;m_y.GetLBText(index,choice); if(choice=="英语"){std::sort(stu.begin(),stu.end(),Student::sort_english);}else if(choice=="语文"){std::sort(stu.begin(),stu.end(),Student::sort_chinese);}else // 数学{std::sort(stu.begin(),stu.end(),Student::sort_math);}m_pupil.DeleteAllItems(); // 全部清空 m_pupil.InsertItem(0,stu[0].student_id);m_pupil.SetItemText(0,1,stu[0].name);m_pupil.SetItemText(0,2,stu[0].sex);m_pupil.SetItemText(0,3,stu[0].age);m_pupil.SetItemText(0,4,stu[0].class_id);m_pupil.SetItemText(0,5,stu[0].chinese);m_pupil.SetItemText(0,6,stu[0].math);m_pupil.SetItemText(0,7,stu[0].english);m_pupil.SetItemText(0,8,stu[0].nums);m_pupil.SetItemText(0,9,stu[0].ave_nums);}
项目源码
https://haihong./article/details/127818222
