源代码：#include "stdio.h"#include "stdlib.h"#include "string.h"#include "conio.h"#include "stdlib.h"#define null 0struct record{char name[20];char phone[20];char adress[40];char postcode[10];char e_mail[30];}student[500];struct LinkList{struct record US;struct LinkList *next;}a;struct LinkList *head=null;int num=0;FILE *fp;int menu_select();int adduser();int list();int search();int display();int add();int listbyname();int dele();int save();int exit();void main(){system("cls");for(;;){switch(menu_select()){case 0:adduser();break;case 1:list();break;case 2:search();break;case 3:display();break;case 4:add();break;case 5:listbyname();break;case 6:dele();break;case 7:save();break;case 8:exit(0);}}}menu_select(){char s[80];int a;printf("*_* press any key enter menu! *_* \n");getch();system("cls");printf("\t\t********************MENU*********************\n\n"); printf("\t\t 0. 输入记录\n");printf("\t\t 1. 显示记录\n");printf("\t\t 2. 按姓名查找\n");printf("\t\t 3. 按电话号码查找\n");printf("\t\t 4. 插入记录\n");printf("\t\t 5. 按姓名排序\n");printf("\t\t 6. 删除记录\n");printf("\t\t 7. 记录保存文件\n");printf("\t\t 8. Quit\n");printf("\t\t***********************************************\n");do{printf("\n Enter you choice(0~11):");scanf("%s",s);a=atoi(s);}while (a<0||a>11);return a;}adduser(){printf("\n\t\t**************** 请输入用户信息****************\n"); printf("\n\t\t输入姓名:");scanf("%s",&student[num].name);printf("\n\t\t输入电话号码:");scanf("%s",&student[num].phone);printf("\n\t\t输入地址:");scanf("%s",&student[num].adress);printf("\n\t\t输入邮编:");scanf("%s",&student[num].postcode);printf("\n\t\t输入e-mail:");scanf("%s",&student[num].e_mail);num++;printf("\n\t\t是否继续添加?(Y/N):");if (getch()=='y')adduser();return(0);}list(){int i;system("cls");if(num!=0){printf("\n\t\t*************** 以下为通讯录所有信息************"); for (i=0;i<num;i++){printf("\n\t\t姓名：%s",student[i].name);printf("\n\t\t电话：%s",student[i].phone);printf("\n\t\t地址：%s",student[i].adress);printf("\n\t\t邮编：%s",student[i].postcode);printf("\n\t\te-mail：%s",student[i].e_mail);printf("\t\t");if (i+1<num){printf("\n\t\t__________________________");system("pause");}}printf("\n\t\t************************************************");}elseprintf("\n\t\t通讯录中无任何纪录");printf("\n\t\t按任意键返回主菜单：");getch();return(0);}search(){int mark=0;int i;int a=0;printf("\n\t\t***************** 按姓名查找*******************");char name[20];printf("\n\t\t请输入姓名:");scanf("%s",name);for(i=a;i<num;i++){if (strcmp(student[i].name,name)==0){printf("\n\t\t************* 以下是您查找的用户信息***********");printf("\n\t\t姓名：%s",student[i].name);printf("\n\t\t电话：%s",student[i].phone);printf("\n\t\t地址：%s",student[i].adress);printf("\n\t\te-mail：%s",student[i].e_mail);printf("\n\t\t************************************************");mark++;if ((i+1)<num){printf("\n\t\t是否继续查找相同名字的用户信息：(y/n)");if (getch()=='y'){a=i;continue;}elsereturn(0);}else{printf("\n\t\t按任意键返回主菜单");getch();return(0);}}}if(mark!=0){printf("\n\t\t没有相同姓名的用户纪录");printf("\n\t\t按任意键返回主菜单");getch();return(0);}else{printf("\n\t\t没有相同姓名的用户纪录");printf("\n\t\t按任意键返回主菜单");getch();return(0);}}display(){int mark=0;int i;int a=0;printf("\n\t\t****************** 按电话查找******************"); char phone[10];printf("\n\t\t请输入电话号码:");scanf("%s",phone);for(i=0;i<num;i++){if (strcmp(student[i].phone,phone)==0){printf("\n\t\t************** 以下是您查找的用户信息**********"); printf("\n\t\t姓名：%s",student[i].name);printf("\n\t\t电话：%s",student[i].phone);printf("\n\t\t地址：%s",student[i].adress);printf("\n\t\te-mail：%s",student[i].e_mail);printf("\n\t\t************************************************"); printf("\n\t\t按任意键返回主菜单：");mark++;getch();return(0);}}if (mark==0){printf("\n\t\t没有改用户的信息");printf("\n\t\t按任意键返回主菜单");getch();return(0);}return(0);}add(){int i;if ((fp=fopen("student.bin","wb"))==NULL){printf("\n\t\t文件打开失败");}for (i=0;i<num;i++){if (fwrite(&student[i],sizeof(struct record),1,fp)!=1){printf("\n\t\t写入文件错误!\n");}printf("\n\t\t**************** 请输入用户信息****************\n"); printf("\n\t\t输入姓名:");scanf("%s",&student[num].name);printf("\n\t\t输入电话号码:");scanf("%s",&student[num].phone);printf("\n\t\t输入地址:");scanf("%s",&student[num].adress);printf("\n\t\t输入邮编:");scanf("%s",&student[num].postcode);printf("\n\t\t输入e-mail:");scanf("%s",&student[num].e_mail);num++;printf("\n\t\t是否继续添加?(Y/N):");if (getch()=='y')adduser();return(0);}fclose(fp);printf("\n\t\t通讯录文件已保存");printf("\n\t\t按任意键退出程序\n\t\t");exit(0);return(0);}void deletebyphone(){int i,j;int deletemark=0;char phone[20];printf("\n\t\t请输入要删除用户电话号码："); scanf("%s",phone);if(num==0){printf("\n\t\t对不起，文件中无任何纪录"); printf("\n\t\t按任意键返回主菜单");getch();return;}for (i=0;i<num;i++){if (strcmp(student[i].phone,phone)==NULL) {printf("\n\t\t以下是您要删除的用户纪录："); printf("\n\t\t姓名：%s",student[i].name); printf("\n\t\t电话：%s",student[i].phone); printf("\n\t\t地址：%s",student[i].adress); printf("\n\t\te-mail：%s",student[i].e_mail); printf("\n\t\t是否删除?(y/n)");if (getch()=='y'){for (j=i;j<num-1;j++)student[j]=student[j+1];num--;deletemark++;printf("\n\t\t删除成功");printf("\n\t\t是否继续删除?(y/n)");if (getch()=='y')deletebyphone();return;}elsereturn;}continue;}if (deletemark==0){printf("\n\t\t没有该用户的纪录");printf("\n\t\t是否继续删除?(y/n)");if (getch()=='y')deletebyphone();return;}}void deletebyname(){int a=0;int findmark=0;int j;int deletemark=0;int i;char name[20];printf("\n\t\t请输入要删除用户姓名：");scanf("%s",name);for (i=a;i<num;i++){if (strcmp(student[i].name,name)==NULL){printf("\n\t\t以下是您要删除的用户纪录："); findmark++;printf("\n\t\t________________________________"); printf("\n\t\t姓名：%s",student[i].name);printf("\n\t\t电话：%s",student[i].phone);printf("\n\t\t地址：%s",student[i].adress);printf("\n\t\te-mail：%s",student[i].e_mail);printf("\n\t\t________________________________"); printf("\n\t\t是否删除?(y/n)");if (getch()=='y'){for (j=i;j<num-1;j++)student[j]=student[j+1];num--;deletemark++;printf("\n\t\t删除成功");if((i+1)<num){printf("\n\t\t是否继续删除相同姓名的用户信息?(y/n)");if (getch()=='y'){a=i;continue;}}printf("\n\t\t是否继续删除?(y/n)");if (getch()=='y')deletebyname();return;}if((i+1)<num){printf("\n\t\t是否继续删除相同姓名的用户信息?(y/n)");if (getch()=='y'){a=i;continue;}}}elsecontinue;}if ((deletemark==0)&&(findmark==0)){printf("\n\t\t没有该用户的纪录");printf("\n\t\t是否继续删除?(y/n)");if (getch()=='y')deletebyphone();return;return;}else if (findmark!=0){printf("\n\t\t没有重名信息");printf("\n\t\t没有该用户的纪录");printf("\n\t\t是否继续删除?(y/n)");if (getch()=='y')deletebyphone();return;return;}}dele(){char choic;printf("\n\t\t1-按电话号码删除2-按姓名删除");printf("\n\t\t请选择：");choic=getch();switch (choic){case '1':deletebyphone();break;case '2':deletebyname();break;}return(0);}listbyname(){int i,j;struct record tmp;for (i=1;i<num;i++){if(strcmp(student[i].name,student[i-1].name)<0){tmp=student[i];j=i-1;do{student[j+1]=student[j];j--;}while ((strcmp(,student[j].name)<0&&j>=0)); student[j+1]=tmp;}}printf("\n\t\t排序成功,是否显示?(y/n)");if (getch()=='y')list();return(0);}save(){int j;FILE*fp;fp=fopen("student.txt","w");if (fp==NULL)printf("can't open the file.");if(num!=0){for(j=0;j<num;j++){fwrite(student,sizeof(student),1,fp);}}printf("保存成功！");fclose(fp);return(0);}。