通讯录管理 iofstream

数据结构链表实验4

 

通讯录管理 By sky
1.添加记录
2.删除记录
3.输出记录
4.按姓名查找
5.保存记录
6.按ID排序
7.清空记录
8.退出
Enter:

 

 

源码如下:

#include<iostream>#include<fstream>#include<malloc.h>#include<vector>#include<string>#include<cstring>#include<windows.h>using namespace std;typedef struct info{char id[50];char name[50];char tel[50];struct info *next;}Info;int OpenFile(vector<string>& svec){ifstream inFile("wj.txt");string s;while(inFile >> s){svec.push_back(s);}inFile.close();return 1;}int AddToFile(Info *p){p = p->next;fstream outFile;outFile.open("wj.txt",ostream::out);if(!outFile)return 0;while(p!=NULL) {outFile << "/n" << p->id << " " << p->name << " "<< p->tel <<"/n";p = p->next;}outFile.close();return 1;}int ReadToInfo(vector<string> sevc,Info *&p){Info *s,*r;r = p;for (vector<string>::iterator iter = sevc.begin(); iter != sevc.end(); iter+=3){s = (Info*)malloc(sizeof(Info));strcpy_s(s->id , (*iter).c_str());strcpy_s(s->name , (*(iter+1)).c_str());strcpy_s(s->tel , (*(iter+2)).c_str());r->next = s;r = s;}r->next = NULL;return 1;}void Show(Info *p){p=p->next;cout << "id" << "/t" << "name" << "/t" << "tel" <<endl;while(p != NULL){cout << p->id << "/t" << p->name << "/t" << p->tel <<endl;p = p->next;}}int Insert(Info *&p,string id,string name,string tel){Info *s,*r;r=p;while(r->next!=NULL)r=r->next;s = (Info*)malloc(sizeof(Info));strcpy_s(s->id,id.c_str());strcpy_s(s->name,name.c_str());strcpy_s(s->tel,tel.c_str());r->next=s;r=s;r->next = NULL;return 1;}int Delete(Info *&p,string id){Info *sl=p->next,*q,*f=p;int flag=0;while(sl != NULL){if(strcmp(sl->id,id.c_str())==0){q = sl;flag=1;break;}f = sl;sl=sl->next;}if(!flag) return 0;f->next = q->next;free(q);return 1;}int Search(Info *p,string name){Info *sl = p->next;int flag = 0;while(sl != NULL){if(strcmp(sl->name,name.c_str()) == 0){cout << "信息如下:" <<endl;cout << "ID = " << sl->id <<'/n'<< "Name = " << sl->name <<'/n'<<"Tel = " <<sl->tel <<endl;flag = 1;break;}sl = sl->next;}if(!flag) return 0;return 1;}int ClearAll(Info *&p){Info *sl=p->next,*q,*f=p;while(sl!=NULL){q = sl;f->next = q->next;sl = sl->next;free(q);}p->next=NULL;return 1;}int Sort(Info *&p){char str[50];string _id,_name,_tel;Info *q,*sl=p->next,*sl2;q= (Info*)malloc(sizeof(Info));q->next =NULL;while(sl!=NULL){strcpy_s(str,"9999");while(sl!=NULL){if(strcmp(sl->id,str)<=0) {strcpy_s(str,sl->id);sl2 = sl;}sl=sl->next;}_id=sl2->id;_name=sl2->name;_tel=sl2->tel;Insert(q,_id,_name,_tel);Delete(p,_id);if(p ==NULL) break;sl = p->next;}p = q;return 0;}int main(){Info *p;p = (Info*)malloc(sizeof(Info));p->next = NULL;vector<string> svec;string id,name,tel;if(OpenFile(svec)) cout << "打开文件成功" <<endl; if(ReadToInfo(svec,p)) cout << "创建链表成功" <<endl;int Flag=1;Sleep(1000);while(Flag){system("cls");cout << "/t/t/t/t" << "通讯录管理 By sky" <<endl;cout << "/t/t/t/t" << "1.添加记录"<<endl;cout << "/t/t/t/t" << "2.删除记录"<<endl;cout << "/t/t/t/t" << "3.输出记录"<<endl;cout << "/t/t/t/t" << "4.按姓名查找"<<endl;cout << "/t/t/t/t" << "5.保存记录"<<endl;cout << "/t/t/t/t" << "6.按ID排序"<<endl;cout << "/t/t/t/t" << "7.清空记录" <<endl;cout << "/t/t/t/t" << "8.退出"<<endl;int n;cout << "/t/t/t/t" << "Enter:";cin >> n;int flag1,flag2,flag3;switch(n) {case 1:flag1=1;while(flag1){cout << "请输入同学的ID:";cin >> id;cout << "请输入同学的姓名:";cin >> name;cout << "请输入同学的电话:";cin >> tel;if(Insert(p,id,name,tel))cout << "成功添加到链表尾!"<<endl;cout << "按0返回,按1继续添加:" <<endl;cin >> flag1;}break;case 2:flag2=1;while(flag2) {cout << "请输入要删除的同学ID:";cin >> id;if(Delete(p,id)){cout << "删除成功!" <<endl;cout << "按0返回,按1继续删除" <<endl;cin >>flag2;}else{cout <<"ID不存在,请重新输入!" <<endl;cout << "按0返回,按1重新输入" <<endl;cin >>flag2;}}break;case 3:system("cls");getchar();Show(p);cout << "按任意键返回" <<endl;if(getchar())break;case 4:flag3=1;while(flag3){cout << "请输入要查询的姓名:";cin >> name;if(Search(p,name)){cout << "按0返回,按1继续查找" <<endl;cin >>flag3;}else{cout <<name<<"不存在!"<<endl;cout << "按0返回,按1继续查找" <<endl;cin >>flag3;}}break;case 5:system("cls");getchar();if(AddToFile(p))cout << "保存文件成功" <<endl;cout << "按任意键返回" <<endl;if(getchar()) break;case 6:system("cls");getchar();if(Sort(p))cout <<"排序成功,信息如下:"<<endl;Show(p);cout << "按任意键返回" <<endl;if(getchar()) break;case 7:getchar();if(ClearAll(p)){system("del wj.txt");cout << "清除完毕!并已删除文件." <<endl;}cout << "按任意键返回" <<endl;if(getchar()) break;case 8:Flag=0;break;}}return 0;}