一个通讯录的程序
怎么写一个删除联系人的功能
//姓名，电话1，电话2，住址，分组
#include <stdio.h>
#include <string.h>
struct contact {
char name[50];
char phone1[20];
char phone2[20];
char home[50];
};//创建一个结构体
int main() {
struct contact contacts[100];
int numContacts = 0;//记录人数
int choice = 0;
while (choice != 5) {
printf("Menu:\n");
printf("1. 添加\n");
printf("2. 浏览\n");
printf("3. 查找\n");
printf("4. 删除\n");
printf("5. 退出\n");
printf("请选择：");
scanf("%d", &choice);
switch (choice) {
case 1:
printf("Enter name: ");
scanf("%s", contacts[numContacts].name);
printf("Enter phone1: ");
scanf("%s", contacts[numContacts].phone1);
printf("Enter phone2: ");
scanf("%s", contacts[numContacts].phone2);
printf("Enter home: ");
scanf("%s", contacts[numContacts].home);
numContacts++;
break;
case 2:
if (numContacts == 0) {
printf("无\n");
} else {
printf("成员：\n");
for (int i = 0; i < numContacts; i++) {
printf("%s\t%s\t%s\t%s\n", contacts[i].name, contacts[i].phone1, contacts[i].phone2, contacts[i].home);
}
}
break;
case 3:
if (numContacts == 0) {
printf("无\n");
} else {
char search[50];
printf("请选择您所查找的对象： ");
scanf("%s", search);
printf("Search results:\n");
for (int i = 0; i < numContacts; i++) {
if (strstr(contacts[i].name, search) != NULL || strstr(contacts[i].phone1, search) != NULL || strstr(contacts[i].phone2, search) != NULL || strstr(contacts[i].home, search) != NULL) {
printf("%s\t%s\t%s\t%s\n", contacts[i].name, contacts[i].phone1, contacts[i].phone2, contacts[i].home);
}
}
}
break;
// case 4：
//
case 5:
printf("Goodbye!\n");
break;
default:
printf("选择错误\n");
break;
}
}
return 0;
}
不一定对，仅供参考：
//姓名，电话1，电话2，住址，分组
#include <stdio.h>
#include <string.h>
struct contact {
char name[50];
char phone1[20];
char phone2[20];
char home[50];
};//创建一个结构体
int main() {
struct contact contacts[100];
int numContacts = 0;//记录人数
int choice = 0;
while (choice != 5) {
printf("Menu:\n");
printf("1. 添加\n");
printf("2. 浏览\n");
printf("3. 查找\n");
printf("4. 删除\n");
printf("5. 退出\n");
printf("请选择：");
scanf("%d", &choice);
switch (choice) {
case 1:
printf("Enter name: ");
scanf("%s", contacts[numContacts].name);
printf("Enter phone1: ");
scanf("%s", contacts[numContacts].phone1);
printf("Enter phone2: ");
scanf("%s", contacts[numContacts].phone2);
printf("Enter home: ");
scanf("%s", contacts[numContacts].home);
numContacts++;
break;
case 2:
if (numContacts == 0) {
printf("无\n");
} else {
printf("成员：\n");
for (int i = 0; i < numContacts; i++) {
printf("%s\t%s\t%s\t%s\n", contacts[i].name, contacts[i].phone1, contacts[i].phone2, contacts[i].home);
}
}
break;
case 3:
if (numContacts == 0) {
printf("无\n");
} else {
char search[50];
printf("请选择您所查找的对象： ");
scanf("%s", search);
printf("Search results:\n");
for (int i = 0; i < numContacts; i++) {
if (strstr(contacts[i].name, search) != NULL || strstr(contacts[i].phone1, search) != NULL || strstr(contacts[i].phone2, search) != NULL || strstr(contacts[i].home, search) != NULL) {
printf("%s\t%s\t%s\t%s\n", contacts[i].name, contacts[i].phone1, contacts[i].phone2, contacts[i].home);
}
}
}
break;
case 4:
if (numContacts == 0) {
printf("无\n");
} else {
int j;
printf("请输入你准备删除第几条记录?(1～%d)下面会先显示这条记录，然后让你输入y确认删除: ",numContacts);fflush(stdout);
scanf("%d",&j);
if (1<=j && j<=numContacts) {
j--;
printf("%d: %s\t%s\t%s\t%s\n",j+1, contacts[j].name, contacts[j].phone1, contacts[j].phone2, contacts[j].home);
printf("确认要删除这条记录吗?(y/n): ");fflush(stdout);
rewind(stdin);
char c;
scanf("%c",&c);
if (c=='y') {
if (j<numContacts-1) memmove((void *)(&contacts[j]),(void *)(&contacts[j+1]),sizeof(struct contact)*(numContacts-1));
numContacts--;
}
} else {
printf("你输入的记录条数不在(1～%d)范围内!\n",numContacts);
}
}
break;
case 5:
printf("Goodbye!\n");
break;
default:
printf("选择错误\n");
break;
}
}
return 0;
}
#include <stdio.h>
#include <stdlib.h>
typedef struct CmdEntry{
void (*pfuncmd)();
char cHelp[64];
}CmdEntry;
void CreateFile()
{
printf("新建文件夹\n");
}
void OpenFile()
{
printf("打开文件\n");
}
void SaveFile()
{
printf("保存文件\n");
}
void Exit()
{
printf("退出\n");
exit(0);
}
static CmdEntry cmdArray[10] = {
{&CreateFile, "新建文件夹"},
{&OpenFile, "打开文件"},
{&SaveFile, "保存文件"},
{&Exit, "退出"},
{0, 0} // ??
};
void showHelp()
{
int i ;
for ( i = 0; (i < 10) && cmdArray[i].pfuncmd; i++)
{
printf("%d\t%s\n", i, cmdArray[i].cHelp);
}
}
int main(void)
{
int iCmdNum;
char cTmp1[256];
while (1)
{
showHelp();
printf("请选择\n");
iCmdNum = getchar() - '0'; // ????????????????
gets(cTmp1); // ?オ???
if (iCmdNum >= 0 && iCmdNum < 10 && cmdArray[iCmdNum].pfuncmd)
{
cmdArray[iCmdNum].pfuncmd();
}
else
{
printf("对不起，你选的数字不存在，请重新选择\n");
}
}
return 0;
}