本文实例为大家分享了C语言实现通讯录管理系统的具体代码，供大家参考，具体内容如下
工具：Visual C++6.0
说明：
本系统基于C语言实现班级通讯录管理系统，为大一时学习C语言刚入门所做的课程设计。功能包括增、删、查、改等，非常适合初学者练手。通讯录包括的个人信息有姓名、学号、性别、籍贯、政治面貌、手机号、QQ号、宿舍等。主要用到了指针、结构体、遍历链表、文件读取等知识点。
运行效果：
代码：
#include<stdio.h>#include<string.h>#include<stdlib.h>#include<windows.h>typedef struct student //定义结构体{ char name[20]; //姓名 char num[15]; //学号 char sex[10]; //性别 char from[20]; //籍贯 char political[10]; //政治面貌 char phone[15]; //手机号 char QQ[15]; //QQ号 char dorm[10]; //宿舍 struct student *next; //结构体指针}stu;stu *head;void print() //主菜单{ system("cls"); printf("\n\n\n"); printf(" ☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆\n"); printf(" ***********************************************************\n"); printf(" \t\t\t班级通讯录管理系统\n"); printf("\n"); printf(" \t\t1. 输入数据"); printf("\t\t2. 显示数据\n"); printf(" \t\t3. 插入数据"); printf("\t\t4. 删除数据\n"); printf(" \t\t5. 查看数据"); printf("\t\t6. 修改数据\n"); printf(" \t\t7. 保存数据"); printf("\t\t8. 返回主菜单\n"); printf(" ***********************************************************\n"); printf(" ~~~~~退~~~~~~~~~~出~~~~~~~~~~请~~~~~~~~~~按~~~~~~~~~~9~~~~~\n"); printf(" -----------------------------------------------------------\n\n");}void input(stu *p1) //输入相关数据{ printf("姓名:"); scanf("%s",&p1->name); printf("学号:"); scanf("%s",&p1->num); printf("性别:"); scanf("%s",&p1->sex); printf("籍贯:"); scanf("%s",&p1->from); printf("政治面貌:"); scanf("%s",&p1->political); printf("手机号:"); scanf("%s",&p1->phone); printf("QQ号:"); scanf("%s",&p1->QQ); printf("宿舍:"); scanf("%s",&p1->dorm);}stu * inputdata() //数据输入的函数{ stu *p1,*p2; int i=1; p1=(stu *)malloc(sizeof(stu)); if(p1!=NULL) { head=p1; printf("\n\t\t\t☆☆☆输入数据☆☆☆\n"); printf("------------------------------------------------------------------\n"); printf("在姓名处输入“ok”代表输入数据结束\n"); while(i) { printf("姓名:"); scanf("%s",&p1->name); if(strcmp(p1->name,"ok")==0) { printf("\n输入完毕!\n"); printf("========================================================================\n"); i=0; p2->next=NULL; free(p1); p1=p2; } else { printf("学号:"); scanf("%s",&p1->num); printf("性别:"); scanf("%s",&p1->sex); printf("籍贯:"); scanf("%s",&p1->from); printf("政治面貌:"); scanf("%s",&p1->political); printf("手机号:"); scanf("%s",&p1->phone); printf("QQ号:"); 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) //查看数据的函数{ printf("\n\t\t\t☆☆☆显示数据☆☆☆\n"); printf("----------------------------------------------------------------------\n"); while(p1!=NULL) { printf("姓名:%s\n",p1->name); printf("学号:%s\t",p1->num); printf("性别:%s\t",p1->sex); printf("籍贯:%s\t",p1->from); printf("政治面貌:%s\t",p1->political); printf("手机号:%s\t",p1->phone); printf("QQ号:%s\t",p1->QQ); printf("宿舍:%s\n",p1->dorm); printf("======================================================================\n"); p1=p1->next; } return p1;}void insert() //插入数据{ int i; char named[20]; stu *p1,*p2,*p3; p1=head; p3=(stu *)malloc(sizeof(stu)); p3->next=NULL; printf("\n\t\t\t☆☆☆插入数据☆☆☆\n"); printf("----------------------------------------------------------------------\n"); printf("请输入插入者的资料:\n"); input(p3); printf("\n插入选项\n"); printf("1.首位置插入\t2.尾位置插入\t3.前插\n"); printf("请输入你的选择:"); 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("请输入姓名（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() //删除数据{ stu *p1,*p2; char Name[20]; //想要删除的人的姓名 printf("\n\t\t\t☆☆☆删除数据☆☆☆\n"); printf("----------------------------------------------------------------------\n"); printf("请输入要删除的姓名:"); scanf("%s",Name); p1=head; if(head==NULL) { printf("内存空空神马都没有!\n"); printf("======================================================================\n"); return; } if(strcmp(Name,p1->name)==0) { head=p1->next; printf("删除成功!\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("删除成功!\n"); printf("======================================================================\n"); return; } else { p2->next=NULL; printf("删除成功!\n"); printf("======================================================================\n"); return; }}find(stu *p2) //通过姓名查找查看数据的函数{ char name[20]; int b=0; printf("\n\t\t\t☆☆☆查看数据☆☆☆\n"); printf("----------------------------------------------------------------------\n"); printf("请输入您想查找人的姓名:"); scanf("%s",name); while(p2!=NULL) { if(strcmp(name,p2->name)==0) { printf("你要找到的数据\n"); printf("姓名:%s\n",p2->name); printf("学号:%s\t",p2->num); printf("性别:%s\t",p2->sex); printf("籍贯:%s\t",p2->from); printf("政治面貌:%s\t",p2->political); printf("手机号:%s\t",p2->phone); printf("QQ号:%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) //通过姓名查找修改数据{ char name[20]; int b=0,i; printf("\n\t\t\t☆☆☆修改数据☆☆☆\n"); printf("----------------------------------------------------------------------\n"); printf("请输入将要修改人的姓名:"); scanf("%s",name); while(p2!=NULL) { if(strcmp(name,p2->name)==0) { printf("该同学的基本信息\n"); printf("姓名:%s\n",p2->name); printf("学号:%s\t",p2->num); printf("性别:%s\t",p2->sex); printf("籍贯:%s\t",p2->from); printf("政治面貌:%s\t",p2->political); printf("手机号:%s\t",p2->phone); printf("QQ号:%s\t",p2->QQ); printf("宿舍:%s\n",p2->dorm); printf("\n请选择要修改的信息\n"); printf("\t1.姓名\t2.学号\t3.性别\t4.籍贯\n\t5.政治面貌\t6.手机号\t7.QQ\t8.宿舍\n"); printf("\n您的选择是(1~8):"); scanf("%d",&i); printf("请输入修改之后的内容\n"); switch(i) { case 1:printf("姓名:"); scanf("%s",&p2->name); break; case 2:printf("学号:"); scanf("%s",&p2->num); break; case 3:printf("性别:"); scanf("%s",&p2->sex); break; case 4:printf("籍贯:"); scanf("%s",&p2->from); break; case 5:printf("政治面貌:"); scanf("%s",&p2->political); break; case 6:printf("手机号:"); 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("没有找到该人的资料!\n"); }}save(stu *p2) //保存数据{ FILE *fp; char file[15]; printf("\n\t\t\t☆☆☆保存数据☆☆☆\n"); printf("----------------------------------------------------------------------\n"); printf("输入文件名:"); scanf("%s",file); if((fp=fopen(file,"w"))==NULL) { printf("cannot open this file\n"); exit(0); } fprintf(fp,"姓名\t学号\t性别\t籍贯\t政治面貌\t手机号\tQQ号\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]={"欢迎使用由ZM制作班级通讯录管理系统，\n\n\t\t\t本系统用于通讯录管理----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("请输入你的选择(1~9):"); loop:scanf("%d",&i); if(i<1||i>9) { printf("输入有误,请在1~9中进行选择:"); 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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肯承认错误则错已改了一半
