学生学籍管理C源代码.doc

/*应包含的头文件：*/1.cpp:Defines the entry point for the console application./#includeStdAfx.h#include#include#include#include#include/*数据结构：(结构体设计）*/typedef structint year;int month;int day;DATE;/*学生成绩情况*/pintstudent(float m)if(m=85) return(1);if(m=60) return(2);else return(3);typedef structchar flag;int number;char name11;char sex;DATE birthday;char speciality21;char ClassName14;float AverageGrade;char Address20;char phone11;STUDENT;/*学生信息显示函数*/void display(STUDENT *pst)int n;int dt;printf(=n);printf(学号：%dn,pst-number);printf(姓名：%sn,pst-name);if(pst-sex=M)printf(性别：男n);else printf(性别：女n);dt=pst-birthday.year*10000;dt+=pst-birthday.month*100;dt+=pst-birthday.day;printf(出生日期：%dn,dt);printf(所学专业：%sn,pst-speciality);printf(所在班级：%sn,pst-ClassName);printf(平均成绩：%.2fn,pst-AverageGrade);printf(家庭地址：%sn,pst-Address);printf(电话号码：%sn,pst-phone);n=pintstudent(pst-AverageGrade);if(n=1)printf(成绩情况：优秀n);else if(n=2)printf(成绩情况：良好n);else printf(成绩情况：不及格n);printf(=n);/*主函数*/int main(int argc,char *argv)char ch;void AddStudent(),QueryStudent();void UpdateStudent(),DeleteStudent();void RestoreStudent(),Studentname();void displaystudent(),Leijiaqi();dosystem(cls);printf(*学生学籍管理系统*n);printf(1.添加学生信息n);printf(2.按学号查询学生信息n);printf(3.按姓名查询学生信息n);printf(4.修改学生信息n);printf(5.删除学生信息n);printf(6.恢复删除信息n);printf(7.显示学生信息n);printf(8.统计优秀、及格、不及格人数n);printf(0.推出n);printf(=n);printf(请选择：);ch=getch();printf(%c,ch);switch(ch)case 1:AddStudent(); break;case 2:QueryStudent(); break;case 3:Studentname(); break;case 4:UpdateStudent(); break;case 5:DeleteStudent() break;case 6:RestoreStudent(); break;case 7:displaystudent();case 8:Leijiaqi(); break;case 0:exit(0);while(1);return 0;/*添加学生信息处理函数：*/void AddStudent()STUDENT st;long dt;FILE *fp;short fg=1;char str2;if(fp=fopen(Student.dat,ab)=NULL)printf(文件打不开！n);getch();return;while(fg)system(cls);printf(添加学生信息n);printf(=n);st.flag=;printf(学号：); scanf(%d,&st.number);printf(姓名：); scanf(%s,);printf(性别：); scanf(%s,str);if(strcmp(str,男)=0) st.sex=M;else st.sex=F;printf(出生日期(yyyymmdd)：); scanf(%d,&dt);st.birthday.year=dt/10000;st.birthday.month=dt%10000/100;st.birthday.day=dt%100;printf(所学专业：); scanf(%s,st.speciality);printf(所在班级：); scanf(%s,st.ClassName);printf(平均成绩：); scanf(%f,&st.AverageGrade);printf(家庭住址：); scanf(%s,st.Address);printf(电话号码：); scanf(%s,st.phone);fwrite(&st,sizeof(STUDENT),1,fp);printf(=n);printf(继续添加吗？(y/n)：);if(getch()!=y)fclose(fp);fg=0;/*按学号查询学生信息处理函数：*/void QueryStudent()STUDENT st;long num;FILE *fp;short fg=1,fg1;if(fp=fopen(Student.dat,rb)=NULL)printf(文件打不开！n);getch();return;while(fg)system(cls);printf(查询学生信息n);printf(请输入查询学号：);scanf(%d,&num);rewind(fp); fg1=0;while(!feof(fp)fread(&st,sizeof(STUDENT),1,fp);if(st.flag=&st.number=num)display(&st);fg1=1;break;if(fg1=0) printf(该学号的学生不存在。n);printf(继续查询吗？(y/n)：);if(getch()!=y)fclose(fp);fg=0;/*按姓名查询学生信息处理函数：*/void Studentname()STUDENT st;char name11;FILE *fp;short fg=1,fg1;if(fp=fopen(Student.dat,rb)=NULL)printf(文件打不开！n);getch();return;while(fg)system(cls);printf(查询学生信息n);printf(请输入查询姓名：);scanf(%s,name);rewind(fp);fg1=0;while(!feof(fp)fread(&st,sizeof(STUDENT),1,fp);if(st.flag=&strcmp(,name)=0)display(&st);fg1=1;break;if(fg1=0) printf(该学号的学生不存在。n);printf(继续查询吗？(y/n)：n);if(getch()!=y)fclose(fp);fg=0;/*修改学生信息处理函数：*/void UpdateStudent()STUDENT st;long dt,num;FILE *fp;short fg=1,fg1;char ch,str21;if(fp=fopen(Student.dat,rb+)=NULL)printf(文件打不开！n);getch();return;while(fg)system(cls);printf(修改学生信息n);printf(请输入修改学生学号：);scanf(%d,&num);rewind(fp);fg1=0;while(!feof(fp)fread(&st,sizeof(STUDENT),1,fp);if(st.flag=&st.number=num)dosystem(cls);printf(修改学生信息n);printf(请输入修改学生学号：%dn,num);printf(=n);printf(1.学号：%dn,st.number);printf(2.姓名：%sn,st,name);if(st.sex=M) printf(3.性别：男n);else printf(3.性别：女n);dt=st.birthday.year*10000;dt+=st.birthday.month*100;dt+=st.birthday.day;printf(4.出生日期：%dn,dt);printf(5.所学专业：%sn,st.speciality);printf(6.所在班级：%sn,st.ClassName);printf(7.平均成绩：%.2fn,st.AverageGrade);printf(8.家庭住址：%sn,st.Address);printf(9.电话号码：%sn,st.phone);printf(0.修改完成!n);printf(=n);printf(请选择修改序号：);ch=getch();printf(%cn,ch);switch(ch)case1:printf(学号); break;case2:printf(姓名); break;case3:printf(性别); break;case4:printf(出生日期); break;case5:printf(所在专业); break;case6:printf(所在班级); break;case7:printf(平均成绩); break;case8:printf(家庭住址); break; case9:printf(电话号码); break;case0:fseek(fp,-(long)(sizeof(STUDENT),SEEK_CUR);fwrite(&st,sizeof(STUDENT),1,fp);if(ch=1&ch=9)printf(修改为：);scanf(%s,str);switch(ch)case1:st.number=atoi(str); break;case2:strcpy(,str); break;case3:if(strcmp(str,男)=0) st.sex=M;else st.sex=F; break;case4:st.birthday.day=atoi(str+6); str6=0;st.birthday.month=atoi(str+4); str4=0;st.birthday.year=atoi(str); break;case5:strcpy(st.ClassName,str); break;case6:strcpy(st.ClassName,str); break;case7:st.AverageGrade=(float)atof(str); break;case8:strcpy(st.Address,str); break;case9:strcpy(st.phone,str); break;while(ch!=0);fg1=1;break;if(fg1=0) printf(该学号的学生部存在！n);printf(继续查询码？(y/n):);if(getch()!=y)fclose(fp);fg=0;/*删除学生信息处理函数：*/void DeleteStudent()STUDENT st;long num;FILE *fp;short fg=1,fg1;if(fp=fopen(Student.dat,rb+)=NULL)printf(文件打不开！n);getch();return;while(fg)system(cls);printf(删除学生信息n);printf(请输入删除学生学号：);scanf(%d,&num);rewind(fp); fg1=0;while(!feof(fp)fread(&st,sizeof(STUDENT),1,fp);if(st.flag=&st.number=num)display(&st);fg1=1;printf(是删除该学生吗？(y/n)：);if(getch()=y)fseek(fp,-(long)(sizeof(STUDENT),SEEK_CUR);fputc(*,fp);break;if(fg1=0) printf(该学号的学生不存在。n);printf(n继续删除吗？(y/n)：);if(getch()!=y)fclose(fp);fg=0;/*恢复删除信息处理函数：*/void RestoreStudent()STUDENT st;long num;FILE *fp;short fg=1,fg1;if(fp=fopen(Student.dat,rb+)=NULL)printf(文件打不开！n);getch();return;while(fg)system(cls);printf(恢复删除信息n);printf(请输出已删除学生学号：);scanf(%d,&num);rewind(fp); fg1=0;while(!feof(fp)fread(&st,sizeof(STUDENT),1,fp);if(st.flag=*&st.number=num)display(&st);fg1=1;printf(是恢复该学生吗？(y/n)：);if(getch()=y)fseek(fp,-(long)(sizeof(STUDENT),SEEK_CUR);fputc(,fp);break;if(fg1=0) printf(该学号的学生不存在。n);printf(n继续恢复吗？(y/n)：);if(getch()!