C語言實現通訊錄管理系統
本文實例為大傢分享瞭C語言實現通訊錄管理系統的具體代碼,供大傢參考,具體內容如下
工具:Visual C++6.0
說明:
本系統基於C語言實現班級通訊錄管理系統,為大一時學習C語言剛入門所做的課程設計。功能包括增、刪、查、改等,非常適合初學者練手。通訊錄包括的個人信息有姓名、學號、性別、籍貫、政治面貌、手機號、QQ號、宿舍等。主要用到瞭指針、結構體、遍歷鏈表、文件讀取等知識點。
運行效果:
代碼:
#include<stdio.h> #include<string.h> #include<stdlib.h> #include<windows.h> typedef struct student //定義結構體 { char name[20]; //姓名 char num[15]; //學號 char sex[10]; //性別 char from[20]; //籍貫 char political[10]; //政治面貌 char phone[15]; //手機號 char QQ[15]; //QQ號 char dorm[10]; //宿舍 struct student *next; //結構體指針 }stu; stu *head; void print() //主菜單 { system("cls"); printf("\n\n\n"); printf(" ☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆\n"); printf(" ***********************************************************\n"); printf(" \t\t\t班級通訊錄管理系統\n"); printf("\n"); printf(" \t\t1. 輸入數據"); printf("\t\t2. 顯示數據\n"); printf(" \t\t3. 插入數據"); printf("\t\t4. 刪除數據\n"); printf(" \t\t5. 查看數據"); printf("\t\t6. 修改數據\n"); printf(" \t\t7. 保存數據"); printf("\t\t8. 返回主菜單\n"); printf(" ***********************************************************\n"); printf(" ~~~~~退~~~~~~~~~~出~~~~~~~~~~請~~~~~~~~~~按~~~~~~~~~~9~~~~~\n"); printf(" -----------------------------------------------------------\n\n"); } void input(stu *p1) //輸入相關數據 { printf("姓名:"); scanf("%s",&p1->name); printf("學號:"); scanf("%s",&p1->num); printf("性別:"); scanf("%s",&p1->sex); printf("籍貫:"); scanf("%s",&p1->from); printf("政治面貌:"); scanf("%s",&p1->political); printf("手機號:"); scanf("%s",&p1->phone); printf("QQ號:"); scanf("%s",&p1->QQ); printf("宿舍:"); scanf("%s",&p1->dorm); } stu * inputdata() //數據輸入的函數 { stu *p1,*p2; int i=1; p1=(stu *)malloc(sizeof(stu)); if(p1!=NULL) { head=p1; printf("\n\t\t\t☆☆☆輸入數據☆☆☆\n"); printf("------------------------------------------------------------------\n"); printf("在姓名處輸入“ok”代表輸入數據結束\n"); while(i) { printf("姓名:"); scanf("%s",&p1->name); if(strcmp(p1->name,"ok")==0) { printf("\n輸入完畢!\n"); printf("========================================================================\n"); i=0; p2->next=NULL; free(p1); p1=p2; } else { printf("學號:"); scanf("%s",&p1->num); printf("性別:"); scanf("%s",&p1->sex); printf("籍貫:"); scanf("%s",&p1->from); printf("政治面貌:"); scanf("%s",&p1->political); printf("手機號:"); scanf("%s",&p1->phone); printf("QQ號:"); scanf("%s",&p1->QQ); printf("宿舍:"); scanf("%s",&p1->dorm); printf("=====================================\n"); p2=p1; p1=(stu *)malloc(sizeof(stu)); if(p1!=NULL) { p2->next=p1; } } } return(p1->next); } } stu * lookdata(stu *p1) //查看數據的函數 { printf("\n\t\t\t☆☆☆顯示數據☆☆☆\n"); printf("----------------------------------------------------------------------\n"); while(p1!=NULL) { printf("姓名:%s\n",p1->name); printf("學號:%s\t",p1->num); printf("性別:%s\t",p1->sex); printf("籍貫:%s\t",p1->from); printf("政治面貌:%s\t",p1->political); printf("手機號:%s\t",p1->phone); printf("QQ號:%s\t",p1->QQ); printf("宿舍:%s\n",p1->dorm); printf("======================================================================\n"); p1=p1->next; } return p1; } void insert() //插入數據 { int i; char named[20]; stu *p1,*p2,*p3; p1=head; p3=(stu *)malloc(sizeof(stu)); p3->next=NULL; printf("\n\t\t\t☆☆☆插入數據☆☆☆\n"); printf("----------------------------------------------------------------------\n"); printf("請輸入插入者的資料:\n"); input(p3); printf("\n插入選項\n"); printf("1.首位置插入\t2.尾位置插入\t3.前插\n"); printf("請輸入你的選擇:"); scanf("%d",&i); switch(i) { case 1:p3->next=p1; head=p3; break; case 2:while(p1->next!=NULL) { p2=p1; p1=p1->next; } p1->next=p3; break; case 3:printf("請輸入姓名(前插):"); scanf("%s",named); while(strcmp(named,p1->name)!=0) { p2=p1; p1=p1->next; } p2->next=p3; p3->next=p1; break; } printf("插入成功!\n"); printf("======================================================================\n"); return; } void deleted() //刪除數據 { stu *p1,*p2; char Name[20]; //想要刪除的人的姓名 printf("\n\t\t\t☆☆☆刪除數據☆☆☆\n"); printf("----------------------------------------------------------------------\n"); printf("請輸入要刪除的姓名:"); scanf("%s",Name); p1=head; if(head==NULL) { printf("內存空空神馬都沒有!\n"); printf("======================================================================\n"); return; } if(strcmp(Name,p1->name)==0) { head=p1->next; printf("刪除成功!\n"); printf("======================================================================\n"); return; } while(p1!=NULL&&(strcmp(Name,p1->name)!=0)) { p2=p1; p1=p1->next; } if(p1==NULL) { printf("此人不存在!\n"); printf("======================================================================\n"); return; } if(p1->next!=NULL) { p1=p1->next; p2->next=p1; printf("刪除成功!\n"); printf("======================================================================\n"); return; } else { p2->next=NULL; printf("刪除成功!\n"); printf("======================================================================\n"); return; } } find(stu *p2) //通過姓名查找查看數據的函數 { char name[20]; int b=0; printf("\n\t\t\t☆☆☆查看數據☆☆☆\n"); printf("----------------------------------------------------------------------\n"); printf("請輸入您想查找人的姓名:"); scanf("%s",name); while(p2!=NULL) { if(strcmp(name,p2->name)==0) { printf("你要找到的數據\n"); printf("姓名:%s\n",p2->name); printf("學號:%s\t",p2->num); printf("性別:%s\t",p2->sex); printf("籍貫:%s\t",p2->from); printf("政治面貌:%s\t",p2->political); printf("手機號:%s\t",p2->phone); printf("QQ號:%s\t",p2->QQ); printf("宿舍:%s\n",p2->dorm); printf("======================================================================\n"); b=1; } p2=p2->next; } if(b==0) { printf("\n您要查找的人不存在!\n"); } } update(stu *p2) //通過姓名查找修改數據 { char name[20]; int b=0,i; printf("\n\t\t\t☆☆☆修改數據☆☆☆\n"); printf("----------------------------------------------------------------------\n"); printf("請輸入將要修改人的姓名:"); scanf("%s",name); while(p2!=NULL) { if(strcmp(name,p2->name)==0) { printf("該同學的基本信息\n"); printf("姓名:%s\n",p2->name); printf("學號:%s\t",p2->num); printf("性別:%s\t",p2->sex); printf("籍貫:%s\t",p2->from); printf("政治面貌:%s\t",p2->political); printf("手機號:%s\t",p2->phone); printf("QQ號:%s\t",p2->QQ); printf("宿舍:%s\n",p2->dorm); printf("\n請選擇要修改的信息\n"); printf("\t1.姓名\t2.學號\t3.性別\t4.籍貫\n\t5.政治面貌\t6.手機號\t7.QQ\t8.宿舍\n"); printf("\n您的選擇是(1~8):"); scanf("%d",&i); printf("請輸入修改之後的內容\n"); switch(i) { case 1:printf("姓名:"); scanf("%s",&p2->name); break; case 2:printf("學號:"); scanf("%s",&p2->num); break; case 3:printf("性別:"); scanf("%s",&p2->sex); break; case 4:printf("籍貫:"); scanf("%s",&p2->from); break; case 5:printf("政治面貌:"); scanf("%s",&p2->political); break; case 6:printf("手機號:"); scanf("%s",&p2->phone); break; case 7:printf("QQ:"); scanf("%s",&p2->QQ); break; case 8:printf("宿舍:"); scanf("%d",&p2->dorm); break; } printf("\n修改成功!\n"); printf("=========================================================================\n"); b=1; } p2=p2->next; } if(b==0) { printf("沒有找到該人的資料!\n"); } } save(stu *p2) //保存數據 { FILE *fp; char file[15]; printf("\n\t\t\t☆☆☆保存數據☆☆☆\n"); printf("----------------------------------------------------------------------\n"); printf("輸入文件名:"); scanf("%s",file); if((fp=fopen(file,"w"))==NULL) { printf("cannot open this file\n"); exit(0); } fprintf(fp,"姓名\t學號\t性別\t籍貫\t政治面貌\t手機號\tQQ號\t宿舍\n"); while(p2!=NULL) { fprintf(fp,"%s\t",p2->name); fprintf(fp,"%s\t",p2->num); fprintf(fp,"%s\t",p2->sex); fprintf(fp,"%s\t",p2->from); fprintf(fp,"%s\t",p2->political); fprintf(fp,"%s\t",p2->phone); fprintf(fp,"%s\t",p2->QQ); fprintf(fp,"%s\n",p2->dorm); p2=p2->next; } printf("\n保存成功!\n"); printf("======================================================================\n"); fclose(fp); } void screen() { int i; char s[251]={"歡迎使用由ZM制作班級通訊錄管理系統,\n\n\t\t\t本系統用於通訊錄管理----排序,打印\n\n\n\t\tWelcome to use produced by ZM class address book\n\n\t\t management system,sorting,printing"}; printf("\n================================================================================\n"); printf("\n\n\n\t\t\t"); for(i=0;s[i]!=NULL;i++) { Sleep(30); printf("%c",s[i]); } printf("\n\n\n\n\n\n\n\n\t\t ~ Hi~ o(* ̄▽ ̄*)ブ~ ~ ~祝您旅途愉快~ ~\n"); printf("================================================================================\n"); } void main() { int i; system("color 4e"); screen(); Sleep(3000); print(); while(1) { printf("請輸入你的選擇(1~9):"); loop:scanf("%d",&i); if(i<1||i>9) { printf("輸入有誤,請在1~9中進行選擇:"); goto loop; } switch(i) { case 1: inputdata(); break; case 2: lookdata(head); break; case 3: insert(); break; case 4: deleted(); break; case 5: find(head); break; case 6: update(head); break; case 7: save(head); break; case 8: print(); break; case 9: exit(1); break; } } }
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