本文實例為大家分享了C語言實現簡易通訊錄的具體代碼,供大家參考,具體內容如下
這兩天用C語言編寫了一個簡易版通訊錄(學生信息管理) ,大致功能有添加信息,查看信息(自動按姓名排序,printf輸出帶顏色字體),查找信息(按姓名查找),刪除信息(輸入姓名刪除相關信息),修改信息(輸入修改人的名字,可選擇修改其任意信息)和退出 。
#include#include#include#define SIZE 100 typedef struct student STU; int person = 0; struct student { char name[10]; int num; int age; }; void welcome() { system("clear"); printf(" ========================================"); printf(" Welcome! "); sleep(3); } void menu() { system("clear"); printf(" ************************************************************************"); printf(" 請選擇:"); printf(" 1.添加信息"); printf(" 2.查看信息"); printf(" 3.查找信息"); printf(" 4.刪除信息"); printf(" 5.修改信息"); printf(" 6.退出"); printf(" ************************************************************************"); } /*添加信息*/ void AddInfo(STU *s[]) { system("clear"); printf("姓名 學號 年齡 "); printf("------------------------ "); printf("請輸入信息:(bye結束添加) "); while(1) { s[person] = (STU*)malloc(sizeof(STU)); if(NULL == s[person]) { printf("malloc failure! "); } scanf("%s", s[person]->name); if(!strcmp(s[person]->name, "bye")) { break; } scanf("%d%d", &s[person]->num, &s[person]->age); getchar(); person++; } } /*查看信息(按姓名排序)*/ void ShowAll(STU *s[]) { system("clear"); int i, j; STU *q[1] = {0}; q[0] = (STU *)malloc(sizeof(STU)); printf("information: "); for(i = 0; i < person; i++) { for(j = 0; j < person - 1 - i; j++) { if(strcmp(s[j]->name, s[j + 1]->name) > 0) { q[0] = s[j]; s[j] = s[j + 1]; s[j + 1] = q[0]; } } } for(i = 0; i < person; i++) { printf("e[1;35mname:%s, num:%d, age:%de[0m ", s[i]->name, s[i]->num, s[i]->age); } sleep(3); getchar(); } /*查找信息*/ void Search_name(char *name, STU *s[]) { int i, n = 0; for(i = 0; i < person; i++) { if(strcmp(name, s[i]->name) == 0) { n++; printf("name:%s, num:%d, age:%d ", s[i]->name, s[i]->num, s[i]->age); } } if(n == 0) { printf("不存在! "); } } void SearchInfo(STU *s[]) { system("clear"); char *name = (char *)malloc(sizeof(char)); printf("請輸入要查找的人的名字: "); scanf("%s", name); Search_name(name, s); } /*刪除信息*/ void DeleteInfo(STU *s[]) { system("clear"); int i, n = 0, j; char del_name[10]; printf("請輸入要刪除的人的名字: "); scanf("%s", del_name); getchar(); getchar(); for(i = 0; i < person; i++) { if(strcmp(del_name, s[i]->name) == 0) { n++; free(s[i]); for(j = i; j < person - 1; j++) { strcpy(s[j]->name, s[j + 1]->name); s[j]->num = s[j + 1]->num; s[j]->age = s[j + 1]->age; } person--; } } if(n == 0) { printf("要刪除的人不存在! "); } else { printf("刪除成功! "); } } /*修改信息*/ void Change_name(char *name, STU *s[]) { int i, n = 0, choice; char *new_name = (char *)malloc(sizeof(char)); int new_num, new_age; for(i = 0; i < person; i++) { if(strcmp(name, s[i]->name) == 0) { n++; printf("該學生的信息如下:"); printf("name:%s, num:%d, age:%d ", s[i]->name, s[i]->num, s[i]->age); printf("---------------------------- "); printf("請選擇要修改的內容(1.name 2.num 3.age): "); scanf("%d", &choice); switch(choice) { case 1: printf("請輸入新的名字: "); scanf("%s", new_name); strcpy(s[i]->name, new_name); break; case 2: printf("請輸入新的學號: "); scanf("%d", &new_num); s[i]->num = new_num; break; case 3: printf("請輸入新的年齡: "); scanf("%d", &new_age); s[i]->age = new_age; break; } } } if(n == 0) { printf("不存在! "); } } void ChangeInfo(STU *s[]) { system("clear"); char *name = (char *)malloc(sizeof(char)); printf("請輸入要修改的人的名字: "); scanf("%s", name); Change_name(name, s); } int main() { struct student *s[SIZE] = {0}; int choice; welcome(); while(1) { menu(); printf(" Please input choice:"); scanf("%d", &choice); switch(choice) { case 1: AddInfo(s); break; case 2: ShowAll(s); break; case 3: SearchInfo(s); break; case 4: DeleteInfo(s); break; case 5: ChangeInfo(s); break; case 6: exit(0); break; } } return 0; }
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