C语言通讯录 C语言实现简易通讯录功能
查心妍 人气:0这两天用C语言编写了一个简易版通讯录(学生信息管理) ,大致功能有添加信息,查看信息(自动按姓名排序,printf输出带颜色字体),查找信息(按姓名查找),删除信息(输入姓名删除相关信息),修改信息(输入修改人的名字,可选择修改其任意信息)和退出 。
#include <stdio.h> #include <string.h> #include <stdlib.h> #define SIZE 100 typedef struct student STU; int person = 0; struct student { char name[10]; int num; int age; }; void welcome() { system("clear"); printf("\n\n\n\n\t\t\t========================================"); printf("\n\n\t\t\t\t\tWelcome!\n"); sleep(3); } void menu() { system("clear"); printf("\n\n\t************************************************************************"); printf("\n\t\t\t\t\t请选择:"); printf("\n\t\t\t\t\t1.添加信息"); printf("\n\t\t\t\t\t2.查看信息"); printf("\n\t\t\t\t\t3.查找信息"); printf("\n\t\t\t\t\t4.删除信息"); printf("\n\t\t\t\t\t5.修改信息"); printf("\n\t\t\t\t\t6.退出"); printf("\n\t************************************************************************"); } /*添加信息*/ void AddInfo(STU *s[]) { system("clear"); printf("姓名 学号 年龄\n"); printf("------------------------\n"); printf("请输入信息:(bye结束添加)\n"); while(1) { s[person] = (STU*)malloc(sizeof(STU)); if(NULL == s[person]) { printf("malloc failure!\n"); } 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:\n"); 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:%d\e[0m\n", 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\n", s[i]->name, s[i]->num, s[i]->age); } } if(n == 0) { printf("不存在!\n"); } } void SearchInfo(STU *s[]) { system("clear"); char *name = (char *)malloc(sizeof(char)); printf("请输入要查找的人的名字:\n"); scanf("%s", name); Search_name(name, s); } /*删除信息*/ void DeleteInfo(STU *s[]) { system("clear"); int i, n = 0, j; char del_name[10]; printf("请输入要删除的人的名字:\n"); 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("要删除的人不存在!\n"); } else { printf("删除成功!\n"); } } /*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("该学生的信息如下:"); printf("name:%s, num:%d, age:%d\n", s[i]->name, s[i]->num, s[i]->age); printf("----------------------------\n"); printf("请选择要修改的内容(1.name 2.num 3.age):\n"); scanf("%d", &choice); switch(choice) { case 1: printf("请输入新的名字:\n"); scanf("%s", new_name); strcpy(s[i]->name, new_name); break; case 2: printf("请输入新的学号:\n"); scanf("%d", &new_num); s[i]->num = new_num; break; case 3: printf("请输入新的年龄:\n"); scanf("%d", &new_age); s[i]->age = new_age; break; } } } if(n == 0) { printf("不存在!\n"); } } void ChangeInfo(STU *s[]) { system("clear"); char *name = (char *)malloc(sizeof(char)); printf("请输入要修改的人的名字:\n"); scanf("%s", name); Change_name(name, s); } int main() { struct student *s[SIZE] = {0}; int choice; welcome(); while(1) { menu(); printf("\nPlease 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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