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這篇文章主要介紹了C語(yǔ)言如何實(shí)現(xiàn)學(xué)生信息管理系統(tǒng),具有一定借鑒價(jià)值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
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本文實(shí)例為大家分享了C語(yǔ)言實(shí)現(xiàn)學(xué)生信息管理系統(tǒng)的具體代碼,供大家參考,具體內(nèi)容如下
/*copyright(c)2016.煙臺(tái)大學(xué)計(jì)算機(jī)學(xué)院 * All rights reserved, * 文件名稱:text.Cpp * 作者:吳敬超 * 完成日期:2016年7月1日 * 版本號(hào):codeblock * * 問(wèn)題描述: 學(xué)生信息管理系統(tǒng) * 輸入描述: * 程序輸出: 輸出結(jié)果 */ #include#include #include #include #include # define LEN sizeof(struct Student) struct Student { char num[100]; //學(xué)號(hào) char name[200]; //姓名 char sex[100]; //性別 int age; //年齡 char phone[120]; //電話 char address[120]; //地址 char birthday[200]; //生日 char mail[200] ; //郵件 struct Student *next; }; void menu(); void start(); void welcome(); char filename[30];//全局變量,用來(lái)保存要打開的文件名字 struct Student *Creat(int n); //生成鏈表 struct Student *Creat(int n) { void menu_print_in(void); struct Student *head; struct Student *p1, *p2; system("cls"); for(int i=1;i num,p1->name,p1->sex, &p1->age,p1->phone,p1->address,p1->birthday,p1->mail); p1->next = NULL; if(i==1) { head = p2 = p1; } else { p2->next = p1; p2 = p1; } } return(head); } //數(shù)據(jù)存盤(wb只寫) void WriteData_wb(struct Student *head) { FILE *fp; struct Student *p; if((fp = fopen(filename, "wb"))==NULL) printf("\a 文件打開錯(cuò)誤"); p = head; while(p!=NULL) { if(fwrite(p,LEN,1,fp)!=1) { printf("寫入數(shù)據(jù)出錯(cuò)\n"); fclose(fp); return; } p=p->next; } fclose(fp); } //數(shù)據(jù)存盤(ab追加) void WriteData_ab(struct Student *head) { FILE *fp; struct Student *p; if((fp = fopen(filename, "ab"))==NULL) printf("\a 文件打開錯(cuò)誤!"); p = head; while(p!=NULL) { if(fwrite(p,LEN,1,fp)!=1) { printf("寫入數(shù)據(jù)出錯(cuò)\n"); fclose(fp); return; } p=p->next; } fclose(fp); } //讀取數(shù)據(jù)文件保存到鏈表中 ,返回指向此鏈表頭指針 struct Student *ReadData(void) { struct Student *head = NULL; struct Student *p1, *p2;//s = p1;p = p2; FILE *fp; if((fp=fopen(filename,"rb+"))==NULL) { printf("打開文件出錯(cuò)\n"); exit(0); } while(!feof(fp)) { if((p1=(struct Student*)malloc(LEN))==NULL){ printf("內(nèi)存申請(qǐng)出錯(cuò)\n"); fclose(fp); exit(0); } if(fread(p1,LEN,1,fp)!=1){ free(p1); break; } if(head==NULL) head=p2=p1; else{ p2->next=p1; p2=p1; } } fclose(fp); return (head); } //全部查詢 void display() { system("cls"); void menu_print_out(void); struct Student *p; p = ReadData(); menu_print_out(); do { printf("%-10s%6s%8s%4d%13s%11s %4s %4s",p->num,p->name,p->sex, p->age,p->phone,p->address,p->birthday,p->mail); p = p->next; printf("\n\n"); }while(p!=NULL); printf("\n\n"); } //學(xué)號(hào)查詢 int query_num() { system("cls"); void menu_print_out(); struct Student *p; char str_num[10]; printf("請(qǐng)輸入您要查詢的學(xué)號(hào):"); scanf("%s", str_num); p = ReadData(); menu_print_out(); do { if(strcmp(p->num,str_num)==0) { printf("%-10s%6s%8s%4d%13s%11s %4s %4s",p->num,p->name,p->sex, p->age,p->phone,p->address,p->birthday,p->mail); printf("\n\n"); return 0; } p = p->next; }while(p!=NULL); printf("數(shù)據(jù)庫(kù)中沒有存儲(chǔ)您要查詢的數(shù)據(jù)!\n"); printf("\n\n"); return 0; } //姓名查詢 int query_name() { system("cls"); void menu_print_out(void); struct Student *p; char str_name[20]; printf("請(qǐng)輸入您要查詢的姓名:"); scanf("%s", str_name); p = ReadData(); menu_print_out(); do { if(strcmp(p->name,str_name)==0) { printf("%-8s%6s%8s%4d%13s%11s %4s %4s",p->num,p->name,p->sex, p->age,p->phone,p->address,p->birthday,p->mail); printf("\n\n"); return 0; } p = p->next; }while(p!=NULL); printf("數(shù)據(jù)庫(kù)中沒有存儲(chǔ)您要查詢的數(shù)據(jù)!\n"); printf("\n\n"); return 0; } //【1】修改數(shù)據(jù)之刪除記錄 int delStudent() { struct Student *p1, *p2, *head; char str_num[20]; printf("\n請(qǐng)輸入您要?jiǎng)h除的學(xué)號(hào)信息:"); scanf("%s", str_num); p1 = ReadData(); p2 = p1->next; head = p1; while(p2!=NULL) { if(strcmp(p1->num,str_num)==0) { WriteData_wb(p2); } else if(strcmp(p2->num,str_num)==0) { p1->next = p2->next; WriteData_wb(head); } p2 = p2->next; p1 = p1->next; } if(p2!=NULL) printf("數(shù)據(jù)庫(kù)中沒有存儲(chǔ)您要?jiǎng)h除的數(shù)據(jù)!\n"); printf("\n\n"); return 0; } //【2】修改數(shù)據(jù)之修改記錄 int change1() { void menu_print_in(void); struct Student *p1, *p2, *head; char str_num[20]; printf("請(qǐng)輸入您要修改的學(xué)號(hào)信息:"); scanf("%s", str_num); p1 = ReadData(); p2 = p1->next; head = p1; while(p2!=NULL) { if(strcmp(p1->num,str_num)==0) { menu_print_in(); scanf("%s%s%s%d%s%s%s%s",p1->num,p1->name,p1->sex, &p1->age,p1->phone,p1->address,p1->birthday,p1->mail); WriteData_wb(head); } else if(strcmp(p2->num,str_num)==0) { menu_print_in(); scanf("%s%s%s%d%s%s%s%s",p2->num,p2->name,p2->sex, &p2->age,p2->phone,p2->address,p2->birthday,p2->mail); WriteData_wb(head); } p2 = p2->next; p1 = p1->next; } if(p2!=NULL) printf("數(shù)據(jù)庫(kù)中沒有存儲(chǔ)您要?jiǎng)h除的數(shù)據(jù)!\n"); return 0; } void start() //歡迎界面 { system("color 1E"); printf("\n\n\n\n\n\n\n\n\n\t\t\t⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙\n"); printf("\t\t\t⊙ ⊙\n"); printf("\t\t\t⊙ 歡迎使用學(xué)生信息管理系統(tǒng) ⊙\n"); printf("\t\t\t⊙ ⊙\n"); printf("\t\t\t⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙\n"); printf("\n\t\t\t\t系統(tǒng)開始啟動(dòng).........\n"); printf("===============================================================================\r"); for(int i=1;i<80;i++) { Sleep(40); printf(">"); } system("CLS"); welcome(); } void welcome()//登錄界面 { system("CLS"); system("color 2"); printf("\n\n\n\n\n\n\t\t\t★★★★★★★★★★★★★★★★\n"); printf("\t\t\t★ ★\n"); printf("\t\t\t★ 歡迎使用學(xué)生信息管理系統(tǒng) ★\n"); printf("\t\t\t★ ★\n"); printf("\t\t\t★ 設(shè)計(jì)者:吳敬超 ★\n"); printf("\t\t\t★ ★\n"); printf("\t\t\t★ 日期:2016.7.1 ★\n"); printf("\t\t\t★ ★\n"); printf("\t\t\t★★★★★★★★★★★★★★★★\n"); printf("\n\t\t\t按任意鍵繼續(xù)..."); getchar(); system("CLS"); menu(); } //主菜單 void menu() { void addStudent(); void query(); int File_name(); void change(); system("CLS"); system("color D"); printf("\t\t\t★★★★★★主菜單※※※※※\n"); printf("\n\n\n\n\n\t\t\t※※※※※※※※※※※※※※\n"); printf("\t\t\t※ ※\n"); printf("\t\t\t※ 1.錄入學(xué)生信息 ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※ 2.查詢學(xué)生信息 ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※ 3.修改學(xué)生信息 ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※ 4. 退出系統(tǒng) ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※※※※※※※※※※※※※※\n"); printf("\n\t\t請(qǐng)輸入功能前的序號(hào)選擇服務(wù)項(xiàng)目:"); int a = 0; a = getchar(); while(a!='1'&&a!='2'&&a!='3'&&a!='4') { printf("錯(cuò)誤,請(qǐng)輸入正確的號(hào)碼!\n"); putchar('\a'); getchar(); printf("\n\t\t請(qǐng)輸入功能前的序號(hào)選擇服務(wù)項(xiàng)目:"); a = getchar(); } switch(a) { case '1': File_name();addStudent(); break; case '2': File_name();query(); break; case '3': File_name();change(); break; case '4': exit(0); break; } getchar(); } int File_name() { printf("\n\t\t請(qǐng)輸入您要打開的文件:"); if(scanf("%s", filename)!=1) printf("\a error!"); return 0; } //二級(jí)菜單之添加數(shù)據(jù) void addStudent() { int Creat_num(); system("cls"); getchar(); system("CLS"); system("color B"); printf("\t\t\t★★★★★★添加數(shù)據(jù)※※※※※\n"); printf("\n\n\n\n\n\t\t\t※※※※※※※※※※※※※\n"); printf("\t\t\t※ ※\n"); printf("\t\t\t※ 1. 新建文件 ※\n"); printf("\t\t\t※----------------------※\n"); printf("\t\t\t※ 2. 增添數(shù)據(jù) ※\n"); printf("\t\t\t※----------------------※\n"); printf("\t\t\t※ 3. 返回菜單 ※\n"); printf("\t\t\t※----------------------※\n"); printf("\t\t\t※※※※※※※※※※※※※\n"); printf("\n\t\t請(qǐng)輸入功能前的序號(hào)選擇服務(wù)項(xiàng)目:"); int a = 0; a = getchar(); while(a!='1'&&a!='2'&&a!='3') { printf("錯(cuò)誤,請(qǐng)輸入正確的號(hào)碼!\n"); putchar('\a'); getchar(); printf("\n\t\t請(qǐng)輸入功能前的序號(hào)選擇服務(wù)項(xiàng)目:"); a = getchar(); } switch(a) { case '1': WriteData_wb(Creat(Creat_num())); printf("\n新建文件成功且數(shù)據(jù)已成功保存\n"); system("pause"); system("cls"); addStudent(); break; case '2': WriteData_ab(Creat(Creat_num())); printf("\n數(shù)據(jù)已成功添加\n"); system("pause"); system("cls"); addStudent(); break; case '3': system("cls"); getchar(); menu(); break; } } //二級(jí)菜單之查詢數(shù)據(jù) void query() { system("cls"); getchar(); while(1) { system("CLS"); system("color C"); printf("\t\t\t★★★★★查詢數(shù)據(jù)※※※※※\n"); printf("\n\n\n\n\n\t\t\t※※※※※※※※※※※※※※\n"); printf("\t\t\t※ ※\n"); printf("\t\t\t※ 1.全部查詢 ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※ 2.學(xué)號(hào)查詢 ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※ 3.姓名查詢 ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※ 4.返回菜單 ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※※※※※※※※※※※※※※\n"); printf("\n\t\t請(qǐng)輸入功能前的序號(hào)選擇服務(wù)項(xiàng)目:"); int a = 0; a = getchar(); while(a!='1'&&a!='2'&&a!='3'&&a!='4') { printf("錯(cuò)誤,請(qǐng)輸入正確的號(hào)碼!\n"); putchar('\a'); getchar(); printf("\n\t\t請(qǐng)輸入功能前的序號(hào)選擇服務(wù)項(xiàng)目:"); a = getchar(); } switch(a) { case '1': display();system("pause");getchar(); break; case '2': query_num();system("pause");getchar(); break; case '3': query_name();system("pause");getchar(); break; case '4': system("cls");getchar();menu(); break; } } } int Creat_num() { printf("\n\t\t請(qǐng)輸入您要添加的數(shù)據(jù)個(gè)數(shù):"); int n; if(scanf("%d", &n)!=1) { printf("\a error!"); } return n; } //二級(jí)菜單之修改數(shù)據(jù)/ void change() { system("cls"); getchar(); while(1) { system("CLS"); system("color A"); printf("\t\t\t★★★★★★修改數(shù)據(jù)※※※※※\n"); printf("\n\n\n\n\n\t\t\t※※※※※※※※※※※※※※\n"); printf("\t\t\t※ ※\n"); printf("\t\t\t※ 1.刪除記錄 ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※ 2.修改記錄 ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※ 3.返回菜單 ※\n"); printf("\t\t\t※------------------------※\n"); printf("\t\t\t※※※※※※※※※※※※※※\n"); printf("\n\t\t請(qǐng)輸入功能前的序號(hào)選擇服務(wù)項(xiàng)目:"); int a = 0; a = getchar(); while(a!='1'&&a!='2'&&a!='3') { printf("錯(cuò)誤,請(qǐng)輸入正確的號(hào)碼!\n"); putchar('\a'); getchar(); printf("\n\t\t請(qǐng)輸入功能前的序號(hào)選擇服務(wù)項(xiàng)目:"); a = getchar(); } switch(a) { case '1': delStudent(); printf("\n\n已成功刪除指定數(shù)據(jù)\n"); system("pause"); getchar(); break; case '2': change1(); printf("\n\n已成功修改指定數(shù)據(jù)\n"); system("pause"); getchar(); break; case '3': system("cls"); getchar(); menu(); break; } } } //輸入輸出提示欄 void menu_print_in() { printf("------------------------------------------------------------------------\n"); printf("學(xué)號(hào) 姓名 性別 年齡 電話 地址 生日 郵件 \n"); printf("------------------------------------------------------------------------\n"); } void menu_print_out(void) { printf("--------------------------------------------------------------------------\n"); printf("學(xué)號(hào) 姓名 性別 年齡 電話 地址 生日 郵件 \n"); printf("--------------------------------------------------------------------------\n"); } //主函數(shù) int main() { start(); return 0; }
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