学生通讯录c语言论文

//简单的学生通讯录管理系统#include<>#include<>#include<>#include<>struct record{char name[20]; //姓名char phone[12]; //电话char adress[50]; //地址char postcode[8]; //邮政编码char e_mail[20]; //电子邮件。}student[100]; //假设最大数为100.//定义全局变量num，表示已经输入的人数 。int num; //这里使用数组解决通讯录的问题，实际上使用链表更好。int menu_select(){char s[80];int a;/*定义整形变量*/system("cls");printf("\t\t***********欢迎进入通讯管理界面********\n\n");printf("\t\t\t0. 输入记录\n");printf("\t\t\t1. 显示记录\n");printf("\t\t\t2. 按姓名查找\n");printf("\t\t\t3. 按电话号码查找\n");printf("\t\t\t4. 插入记录 \n");printf("\t\t\t5. 按姓名排序\n");printf("\t\t\t6. 删除记录\n");printf("\t\t\t7. Quit\n");printf("\t\t***********************************************\n\n");do{printf("Enter you choice(0~7):");scanf("%s",s);a=atoi(s);}while (a<0 || a>7);return a;}int adduser(){printf("\t\t\t**************** 请输入用户信息 ****************\n");printf("\t\t\t输入姓名:\n");scanf("%s",student[num].name);printf("\t\t\t输入电话号码:\n");scanf("%s",student[num].phone);printf("\t\t\t输入地址:\n");scanf("%s",student[num].adress);printf("\t\t\t输入邮编:\n");scanf("%s",student[num].postcode);printf("\t\t\t输入e-mail:\n");scanf("%s",student[num].e_mail);num++;printf("\t\t\t是否继续添加?(Y/N):\n");if(getch()=='y' || getch()=='Y')adduser();return(0);}void list(){int i;system("cls");if(num!=0){printf("\t\t\t*************** 以下为通讯录所有信息************\n");for (i=0;i=0));student[j+1]=tmp;}}printf("\t\t\t排序成功,是否显示?(y/n)");if (getch()=='y')list();return(0);}int main(){printf("\t\t************************************************\n");printf("\t\t********welcome to TONGXUNLU *******************\n");printf("\t\t###########code by XXXXX ###################\n");printf("\t\t*************************************************\n");printf("按任意键进入主菜单\n");getch();int selectnum;while(1){selectnum = menu_select();switch(selectnum){case 0:{adduser();break;}case 1:{list();break;}case 2:{searchbyname();break;}case 3:{searchbyphone();break;}case 4:{adduser(); //这里插入，应该能指定位置，不过意义不大，所以和添加记录一样了。break;}case 5:{sortbyname();break;}case 6:{dele();break;}case 7:{printf("BYE BYE!\n");system("pause");getchar();exit(0);}}}getchar();return 0;}

/* -- Hello, world */#include<>struct person{ char name[8]; char tel[15];char addr[50];};char filename[20]="E:\\";FILE *fp;void creat();void output();void search();void append();void modify();void delete();main( ){ int m; creat(); while(1) {printf("\n\t\t*********欢迎使用通讯录信息管理系统*********\n\n"); printf("\n\t\t添加，请按1"); printf("\n\t\t查找，请按2"); printf("\n\t\t修改，请按3"); printf("\n\t\t删除，请按4"); printf("\n\t\t输出，请按5"); printf("\n\t\t退出，请按0\n");printf("\n\t\t********************************************\n\n");printf("Please select(0--5):");scanf("%d",&m); if(m>=0&&m<=5) { switch(m) { case 1: append(); break; case 2: search(); break; case 3: modify(); break; case 4: delete(); break; case 5: output(); break; case 0: exit(); } printf("\n\n操作完毕，请再次选择！"); } else printf("\n\n选择错误，请再次选择！"); } }/*输入模块creat( )： 创建通讯录的子函数。*/void creat(){ struct person one; long s1; /*printf("\n请输入通讯录文件名："); scanf("%s",filename); */ if((fp=fopen(filename,"at+"))==NULL) { printf("\n不能建立通讯录！"); exit(); } fprintf(fp,"%-10s%-20s%-50s\n","姓名","电话号码","住址"); printf("\n请输入姓名、电话号码及住址（以0结束）\n"); scanf("%s",); while(strcmp(,"0")) { scanf("%s%s",); fprintf(fp,"%-10s%-20s%-50s\n",); scanf("%s",); } fclose(fp); }/*输出模块output( )：输出通讯录中联系人通讯信息的子函数*/void output(){ struct person one; if((fp=fopen(filename,"r"))==NULL) { printf("\n不能打开通讯录！"); exit(); } printf("\n\n%20s\n","通 讯 录"); while(!feof(fp)) { fscanf(fp,"%s%s%s\n",); printf("%-10s%-20s%-50s",); } fclose(fp); }/*添加模块append( )：向通讯录中添加某人通讯信息的子函数*/void append(){ struct person one; if((fp=fopen(filename,"a"))==NULL) { printf("\n不能打开通讯录！"); exit(); } printf("\n请输入添加的姓名、电话号码及住址\n"); scanf("%s%s%s",); fprintf(fp,"%-10s%-20s%-50s\n",); fclose(fp);}/*查找模块search( )：在通讯录中查找某人通讯信息的子函数*/void search(){ int k=0; char namekey[8]; struct person one; printf("\n请输入姓名:"); scanf("%s",namekey); if((fp=fopen(filename,"rb"))==NULL) { printf("\n不能打开通讯录！"); exit(); } while(!feof(fp)) { fscanf(fp,"%s%s%s\n",); if(!strcmp(namekey,)) { printf("\n\n已查到，记录为："); printf("\n%-10s%-18s%-50s",); k=1; } } if(!k) printf("\n\n对不起，通讯簿中没有此人的记录。"); fclose(fp); }/*修改模块modify( )：在通讯录中修改某人通讯信息的子函数*/void modify(){ int m,k=0; long offset; char namekey[8]; struct person one; printf("\n请输入姓名:"); scanf("%s",namekey); if((fp=fopen(filename,"r+"))==NULL) { printf("\n不能打开通讯录！"); exit(); } while(!feof(fp)) { offset=ftell(fp); fscanf(fp,"%s%s%s\n",); if(!strcmp(namekey,)) { k=1; break; } } if(k) { printf("\n已查到，记录为："); printf("\n%-10s%-18s%-50s",); printf("\n请输入新姓名、电话号码及住址："); scanf("%s%s%s",); fseek(fp,offset,SEEK_SET); printf("%ld",ftell(fp)); fprintf(fp,"%-10s%-20s%-50s\n",); } else printf("\n对不起，通讯录中没有此人的记录。"); fclose(fp); }/*删除模块delete( )：在通讯录中删除某人通讯信息的子函数*/void delete(){ int m,k=0,flag; long offset1,offset2; char namekey[8], valid[4]; struct person one; printf("\n请输入姓名:"); scanf("%s",namekey); if((fp=fopen(filename,"r+"))==NULL) { printf("\n不能打开通讯录！"); exit(); } while(!feof(fp)) { offset1=ftell(fp); fscanf(fp,"%s%s%s\n",); if(!strcmp(namekey,)) { k=1; break; if(k) { printf("\n已查到，记录为"); printf("\n%-10s%-18s%-50s",); printf("\n确实要删除,按1；不删除，按0："); scanf("%d",&m); if(m) { fseek(fp,offset1,SEEK_SET); fprintf(fp,"%-10s%-20s%-50s\n","","",""); } else printf("\n对不起，通讯录中没有此人的记录。"); fclose(fp); } } } }1###########################################################

这个程序可是挺复杂啊，我大概明天或者后天给你把程序传上去