学生成绩管理系统源代码样本

资料内容仅供您学习参考，如有不当或者侵权，请联系改正或者删除。#include<stdio.h>#include<string.h>#include<stdlib.h>#include<windows.h>structstudent//结构体定义{ intnum;charname[10]; charbirthday[10]; intCyuyan;intshujujiegou; structstudent*next;}; structstudent*creat_by_input(); structstudent*get_last_student(structstudent*head); structstudent*Print_menu_main()//主菜单{ printf("*********************************************************************\n"); printf("|1.........输入学生信息|\n");printf("|2.........输出学生信息|\n");printf("|3.........查找学生信息|\n");printf("|4.........修改学生信息|\n");printf("|5.........插入学生信息|\n");printf("|6.........删除学生信息|\n");printf("|7.........排序学生信息|\n");printf("|0.........退出系统|\n");printf("|_____________|\n");} structstudent*print_table_head() { printf("+----------+----------+----------+----------+-------------+\n"); printf("|学号|姓名|出生日期|c成绩|数据结构成绩|\n"); printf("+----------+----------+----------+----------+-------------+\n"); } structstudent*print_table_row(structstudent*p) { printf("|%10d|%10s|%10s|%10d|%10d|\n",p->num,p->name,p->birthday,p->Cyuyan,p->shujujiegou); } voidprint_table_bottom() { printf("+----------+----------+----------+----------+-------------+\n"); } structstudent*Creat_stu_record()//建立链表 { structstudent*plaststu=NULL,*pnewstu; charcontinue_input='N';structstudent*head=NULL; while(1) { if(head==NULL) { head=creat_by_input(); print_table_head(); print_table_row(head); print_table_bottom(); } else { pnewstu=creat_by_input(); print_table_head(); print_table_row(pnewstu); print_table_bottom(); plaststu=get_last_student(head); plaststu->next=pnewstu;} printf("是否继续输入学生信息?(Y继续,N返回菜单)\n"); getchar(); continue_input=getchar(); if(continue_input=='n'||continue_input=='N') { system("cls"); Print_menu_main(); break; } } returnhead;} structstudent*creat_by_input() { structstudent*pnewstu=(structstudent*)malloc(sizeof(structstudent)); printf("请输入学生信息\n"); printf("学号:");scanf("%d",&pnewstu->num); printf("姓名:");scanf("%s",pnewstu->name); printf("出生年月:");scanf("%s",pnewstu->birthday); printf("请输入学生成绩\n"); printf("C语言:");scanf("%d",&(pnewstu->Cyuyan)); printf("数据结构:");scanf("%d",&(pnewstu->shujujiegou));pnewstu->next=NULL; returnpnewstu; } structstudent*get_last_student(structstudent*p){ if(p->next==NULL) returnp; else returnget_last_student(p->next);}voidPrint_Stu_Doc(structstudent*head){ structstudent*p; charr; print_table_head(); if(head==NULL) { printf("\nNoRecords\n"); } for(p=head;p;p=p->next) { printf("|%10d|%10s|%10s|%10d|%10d|\n",p->num,p->name,p->birthday,p->Cyuyan,p->shujujiegou); printf("+----------+----------+----------+----------+-------------+\n");} printf("(按Enter键返回主菜单)\n"); getchar(); r=getchar(); if(r!='1') { system("cls"); Print_menu_main(); } else { system("cls"); Print_menu_main(); } }structstudent*search_by_name(structstudent*head)//按姓名查找{ charname[10]; structstudent*p=head; charcontinue_input; /*intisfound=0;*/ printf("请输入要查找的姓名:"); scanf("%s",name); printf("查找%s\n",name); print_table_head(); while(p!=NULL) { if(strcmp(p->name,name)==0) { print_table_row(p); p=p->next; /* isfound=1;*/ break; } p=p->next; } print_table_bottom(); printf("是否继续查找?(Y继续;N返回主菜单)\n"); getchar(); continue_input=getchar(); if(continue_input=='n'||continue_input=='N') { system("cls"); Print_menu_main(); } else search_by_name(head);}structstudent*search_by_id(structstudent*head)//按学号查找{ intid; structstudent*p=head; charcontinue_input; /*intisfound=0;*/ printf("请输入要查找的学号:"); scanf("%d",&id); printf("查找%d\n",id); print_table_head(); while(p!=NULL) { if(p->num==id) { print_table_row(p); p=p->next; /*isfound=1;*/ break; } p=p->next; } print_table_bottom(); printf("是否继续查找?(Y继续;N返回主菜单)\n"); getchar(); continue_input=getchar(); if(continue_input=='n'||continue_input=='N') { system("cls"); Print_menu_main(); } else search_by_id(head); returnhead;}structstudent*modify_record_by_id(structstudent*head)//按学号修改{ structstudent*p=head; intid; charcontinue_input; printf("请输入要修改的学生的学号:\n"); scanf("%d",&id); while(p!=NULL) { if(p->num==id) break; p=p->next; } if(p==NULL) printf("抱歉,没有学号为%d的学生\n",id); else { printf("请输入学生信息:\n"); printf("学号:");scanf("%d",&(p->num)); printf("姓名:");scanf("%s",&(p->name)); printf("出生年月:");scanf("%s",&(p->birthday)); printf("请输入学生成绩:\n"); printf("C语言:");scanf("%d",&(p->Cyuyan)); printf("数据结构:");scanf("%d",&(p->shujujiegou)); print_table_head();print_table_row(p);print_table_bottom();} printf("继续修改学生信息吗?Y继续;N返回主菜单\n"); getchar(); continue_input=getchar(); if(continue_input=='y'||continue_input=='Y') creat_by_input(); else { system("cls"); Print_menu_main(); } returnhead;}structstudent*modify_record_by_name(structstudent*head)//按姓名修改{ structstudent*p=head; charname[10]; charcontinue_input; printf("请输入要修改的学生的姓名:\n"); scanf("%s",name); while(p!=NULL) { if(strcmp(p->name,name)==0) break; p=p->next; } if(p==NULL) printf("抱歉,没有姓名为%s的学生\n",name); else { printf("请输入学生信息:\n"); printf("学号:");scanf("%d",&(p->num)); printf("姓名:");scanf("%s",&(p->name)); printf("出生年月:");scanf("%s",&(p->birthday)); printf("请输入学生成绩:\n"); printf("C语言:");scanf("%d",&(p->Cyuyan)); printf("数据结构:");scanf("%d",&(p->shujujiegou)); print_table_head();print_table_row(p);print_table_bottom();} printf("继续修改学生信息吗?Y继续;N返回主菜单\n"); getchar(); continue_input=getchar(); if(continue_input=='y'||continue_input=='Y') creat_by_input(); else { system("cls"); Print_menu_main(); } returnhead;}structstudent*insert_record(structstudent*head)//插入{ structstudent*ptr1; structstudent*ptr,*stud; structstudent*ptr2=head;charcontinue_input='N'; intid; printf("请输入一个学号,在此之前插入学生信息:"); scanf("%d",&id);stud=creat_by_input(); ptr=stud; if(head==NULL) { head=ptr;head->next=NULL; } elseif(head->num==id) { ptr->next=head; head=ptr; } else { while(ptr2!=NULL) { ptr1=ptr2; ptr2=ptr1->next; if(ptr2->num==id) { ptr1->next=ptr; ptr->next=ptr2; break; } } } print_table_head(); print_table_row(ptr); print_table_bottom(); printf("是否继续插入学生信息?(Y继续N返回主菜单)\n"); getchar(); continue_input=getchar(); if(continue_input=='y'||continue_input=='Y') returninsert_record(head); else { system("cls"); Print_menu_main(); returnhead; } }structstudent*Delete_record_by_id(structstudent*head)//按学号删除{ structstudent*p=head,*ppre=NULL; intid; charcontinue_input; printf("请输入要删除的学号:"); scanf("%d",&id); while(p!=NULL) { if(p->num==id) break; p=p->next; } if(p==NULL) printf("抱歉,没有该学号的学生信息!\n"); else { printf("确定要删除学号为%d的学生的信息吗?(Y确定;N返回主菜单)\n",p->num); getchar(); continue_input=getchar(); if(continue_input=='y'||continue_input=='Y') { ppre=head; if(ppre==p) { head=p->next; printf("\n"); free(p); } else { while(ppre!=NULL) { if(ppre->next==p) { ppre->next=p->next; free(p); break; } ppre=ppre->next; } } printf("删除成功!"); } //Print_menu_main();} printf("继续删除学生信息吗?(Y继续;N返回主菜单)"); getchar(); continue_input=getchar(); if(continue_input=='y'||continue_input=='Y') Delete_record_by_id(head);else { system("cls"); Print_menu_main(); returnhead; } return0;}structstudent*Delete_record_by_name(structstudent*head)//按姓名删除{ structstudent*p=head,*ppre=NULL; charname[10]; charcontinue_input; printf("请输入要删除的姓名:"); scanf("%s",name); while(p!=NULL) { if(strcmp(p->name,name)==0)break; p=p->next; } if(p==NULL) { printf("抱歉,没有该姓名的学生信息!\n"); gotoend; } else printf("确定要删除姓名为%s的学生的信息吗?(Y确定;N返回主菜单)",p->name); printf("\n"); getchar(); continue_input=getchar(); if(continue_input=='y'||continue_input=='Y') { ppre=head; if(ppre==p) { head=p->next; free(p); } else { while(ppre!=NULL) { if(ppre->next==p) { ppre->next=p->next; free(p); break; } ppre=ppre->next; } } printf("删除成功!"); } //elsePrint_menu_main();end: printf("继续删除学生信息吗?(Y继续;N返回主菜单)"); printf("\n"); getchar(); continue_input=getchar(); if(continue_input=='Y'||continue_input=='y') Delete_record_by_name(head); else { system("cls"); Print_menu_main();returnhead; } return0;}structstudent*Sorting_record_by_id(structstudent*head)//按学号排序{ inti=0,j,k,r; structstudent*pt1,*pt2,*pt,m; if(head==NULL) { printf("现在无同学记录\n"); printf("(按Enter键返回主菜单)\n"); getchar(); r=getchar(); if(r!='1') { system("cls"); Print_menu_main(); } else { system("cls"); Print_menu_main(); } } else { pt1=head; pt2=head->next; for(pt=head;pt;pt=pt->next) i++; for(j=1;j<i;j++) { pt1=head; pt2=head->next; for(k=1;k<i-j+1;k++) { if(pt1->num>pt2->num) { m=*pt1; *pt1=*pt2; *pt2=m; pt2->next=pt1->next; pt1->next=pt2; } pt1=pt2; pt2=pt1->next; } } } print_table_head(); for(pt=head;pt;pt=pt->next) { printf("|%10d|%10s|%10s|%10d|%10d|\n",pt->num,pt->name,pt->birthday,pt->Cyuyan,pt->shujujiegou); printf("+----------+----------+----------+----------+----------+\n");} returnhead; }intmain(){ structstudent*head=NULL; structstudent*p; intchoice;intselect;charm;charr; system("colore"); printf("\n"); printf("\n"); printf("欢迎使用学生成绩管理系统!\n"); printf("\n"); printf("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n"); printf("\n"); printf("...............................................................................\n");printf("请按照提示信息完成操作\n"); Print_menu_main(); printf("\n"); printf(":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::\n"); printf("\n"); printf("****************************************\n"); while(choice!=0) { printf("请选择所要执行的操作:\n");start: if(scanf("%d",&choice)) { if(choice>7||choice<0) { printf("请输入0到7的数字,选择所要执行的操作:\n"); gotostart; } else gotonext; } if(scanf("%c",&m)) { printf("请输入0到7的数字,选择所要执行的操作:\n"); gotostart; } next: switch(choice) { case1:system("cls");head=Creat_stu_record(); break; case2:system("cls");Print_Stu_Doc(head); break; case3:system("cls"); printf("请选择查找方式:1按姓名查找;2按学号查找;3返回主菜单"); printf("\n"); scanf("%d",&select); switch(select) { case1:search_by_name(head);break; case2:searc