commit e5894edafe245c989fa72c384bab0e9aaeb32c3c
Author: 17406200202@stu.hut.edu.cn <17406200202@stu.hut.edu.cn>
Date:   Thu Jan 3 15:36:53 2019 +0800

    first commit

diff --git a/Untitled1.cpp b/Untitled1.cpp
new file mode 100644
index 0000000..2f58afc
--- /dev/null
+++ b/Untitled1.cpp
@@ -0,0 +1,564 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <conio.h>
+struct record
+{
+char nativeplace[20];
+char name[20];
+char phone1[20];
+char phone2[20];
+char e_mail[30];
+}student[500];
+int num=0;//外部变量num为文件中的纪录数
+FILE *fp;
+void mainmenu();//主菜单
+void newrecord();//新添纪录
+void searchmenu();//查询菜单
+void searchbynativeplace();//按籍贯查询
+void searchbyname();//按姓名查询
+void searchbyphone();//按电话1查询
+void searchbyphone2();//按电话2查询 
+void deletemenu();//删除菜单
+void deleteall();//删除所有
+void deleteone();//删除单个
+void showall();//显示所有
+void readfromfile();//读取文件
+void writetofile();//写入文件
+void deletebynativeplace();//按籍贯删除
+void deletebyname();//按姓名删除
+void listbynativeplace();//按籍贯排序 
+void listbyname();//按姓名排序
+void listmenu();//排序菜单
+int main()
+{
+readfromfile();
+while (1)
+{
+mainmenu();
+}
+}
+void readfromfile()//从文件导入
+{
+if((fp=fopen("student.bin","rb"))==NULL)
+{
+printf("\n\t\t通讯录文件不存在");
+if ((fp=fopen("student.bin","wb"))==NULL)
+{
+printf("\n\t\t建立失败");
+exit(0);
+}
+else
+{
+printf("\n\t\t通讯录文件已建立");
+printf("\n\t\t按任意键进入主菜单");
+getch();
+return;
+}
+exit(0);
+}
+fseek(fp,0,2); /*文件位置指针移动到文件末尾*/
+if (ftell(fp)>0) /*文件不为空*/
+{
+rewind(fp); /*文件位置指针移动到文件开始位置*/
+for (num=0;!feof(fp) && fread(&student[num],sizeof(struct record),1,fp);num++);
+printf("\n\t\t文件导入成功");
+printf("\n\t\t按任意键返回主菜单");
+getch();
+return;
+}
+printf("\n\t\t文件导入成功");
+printf("\n\t\t通讯录文件中无任何纪录");
+printf("\n\t\t按任意键返回主菜单");
+getch();
+return;
+}
+void mainmenu()//主菜单
+{
+char choic;
+system("cls");
+printf("\n\t\t******************** 主菜单 ********************");
+printf("\n\t\t*********** 1-新添记录 2-查询菜单 **************");
+printf("\n\t\t*********** 3-删除菜单 4-记录排序 **************");
+printf("\n\t\t*********** 5-保存退出 6-不保存退出*************");
+printf("\n\t\t************************************************");
+printf("\n\t\t请选择：");
+choic=getch();
+switch (choic)
+{
+case '1':newrecord();break;
+case '2':searchmenu();break;
+case '3':deletemenu();break;
+case '4':listmenu();break;
+case '5':writetofile();break;
+case '6':exit(0);
+default:mainmenu();
+}
+}
+void searchmenu()//查询菜单
+{
+char choic;
+system("cls");
+printf("\n\t\t******************* 查询菜单 *******************");
+printf("\n\t\t********** 1-显示所有 2-按籍贯查询 ************");
+printf("\n\t\t********** 3-按姓名查询4-按电话查询 ************");
+printf("\n\t\t********** 5-返回主菜单 ************");
+printf("\n\t\t************************************************");
+printf("\n\t\t请选择：");
+choic=getch();
+switch (choic)
+{
+case '1':showall();break;
+case '2':searchbynativeplace();break;
+case '3':searchbyname();break;
+case '4':searchbyphone();break;
+case '5':mainmenu();break;
+}
+}
+void deletemenu()//删除菜单
+{
+char choic;
+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;
+}
+system("cls");
+printf("\n\t\t******************* 删除菜单 *******************");
+printf("\n\t\t*********** 1-删除所有 2-删除单个 ***********");
+printf("\n\t\t*********** 3-返回主菜单 ***********");
+printf("\n\t\t************************************************");
+printf("\n\t\t请选择：");
+choic=getch();
+switch (choic)
+{
+case '1':deleteall();break;
+case '2':deleteone();break;
+case '3':mainmenu();break;
+default:mainmenu();break;
+}
+}
+void deleteall()//删除所有
+{
+printf("\n\t\t确认删除?(y/n)");
+if (getch()=='y')
+{
+fclose(fp);
+if ((fp=fopen("student.bin","wb"))==NULL)
+{
+printf("\n\t\t不能打开文件，删除失败");
+readfromfile();
+}
+num=0;
+printf("\n\t\t记录已删除，按任意键返回主菜单");
+getch();
+return;
+}
+else
+return;
+}
+void deletebyname()//按姓名删除
+{
+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以下是您要删除的记录：");
+findmark++;
+printf("\n\t\t________________________________");
+printf("\n\t\t籍贯： %s",student[i].nativeplace);
+printf("\n\t\t姓名： %s",student[i].name);
+printf("\n\t\t电话1： %s",student[i].phone1);
+printf("\n\t\t电话2： %s",student[i].phone2);
+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++) /*记录移动，从stud数组中删除之*/
+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联系人信息?(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联系人信息?(y/n)");
+if (getch()=='y')
+{
+a=i;
+continue;
+}
+}
+}
+else
+continue;
+}
+if ((deletemark==0)&&(findmark==0))
+{
+printf("\n\t\t没有该联系人的纪录");
+printf("\n\t\t是否继续删除?(y/n)");
+if (getch()=='y')
+deletebynativeplace();
+return;
+return;
+}
+else if (findmark!=0)
+{
+printf("\n\t\t没有重名信息");
+printf("\n\t\t没有该联系人的纪录");
+printf("\n\t\t是否继续删除?(y/n)");
+if (getch()=='y')
+deletebynativeplace();
+return;
+return;
+}
+}
+void deletebynativeplace()//按籍贯删除
+{
+int i,j;
+int deletemark=0;
+char nativeplace[20];
+printf("\n\t\t请输入要删除联系人籍贯：");
+scanf("%s",nativeplace);
+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].nativeplace,nativeplace)==NULL)
+{
+printf("\n\t\t以下是您要删除的联系人记录：");
+printf("\n\t\t籍贯： %s",student[i].nativeplace);
+printf("\n\t\t姓名： %s",student[i].name);
+printf("\n\t\t电话1： %s",student[i].phone1);
+printf("\n\t\t电话2： %s",student[i].phone2);
+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++) /*纪录移动，从stud数组中删除之*/
+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')
+deletebynativeplace();
+return;
+}
+else
+return;
+}
+continue;
+}
+if (deletemark==0)
+{
+printf("\n\t\t没有该联系人的记录");
+printf("\n\t\t是否继续删除?(y/n)");
+if (getch()=='y')
+deletebynativeplace();
+return;
+}
+}
+void newrecord()//添加纪录
+{
+printf("\n\t\t**************** 请输入联系人信息 ****************\n");
+printf("\n\t\t输入籍贯:");
+scanf("%s",&student[num].nativeplace);
+printf("\n\t\t输入姓名:");
+scanf("%s",&student[num].name);
+printf("\n\t\t输入电话号码1:");
+scanf("%s",&student[num].phone1);
+printf("\n\t\t输入电话号码2:");
+scanf("%s",&student[num].phone2);
+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')
+newrecord();
+return;
+}
+void showall()//显示所有
+{
+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籍贯： %s",student[i].nativeplace);
+printf("\n\t\t姓名： %s",student[i].name);
+printf("\n\t\t电话1： %s",student[i].phone1);
+printf("\n\t\t电话2： %s",student[i].phone2);
+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************************************************");
+}
+else
+printf("\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;
+}
+//按电话查询
+void searchbyphone()
+{
+int mark=0;
+int i;
+int a=0;
+printf("\n\t\t****************** 按电话查找 ******************");
+char phone1[10];
+printf("\n\t\t请输入电话:");
+scanf("%s",phone1);
+for(i=0;i<num;i++)
+{
+if (strcmp(student[i].phone1,phone1)==0)
+{
+printf("\n\t\t************** 以下是您查找的联系人信息 **********");
+printf("\n\t\t籍贯： %s",student[i].nativeplace);
+printf("\n\t\t姓名： %s",student[i].name);
+printf("\n\t\t电话1： %s",student[i].phone1);
+printf("\n\t\t电话2： %s",student[i].phone2);
+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;
+}
+}
+if (mark==0)
+{
+printf("\n\t\t没有修改联系人的信息");
+printf("\n\t\t按任意键返回主菜单");
+getch();
+return;
+}
+}
+void searchbyname()//按姓名查询
+{
+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************* 以下是您查找的联系人信息 ***********");
+printf("\n\t\t籍贯： %s",student[i].nativeplace);
+printf("\n\t\t姓名： %s",student[i].name);
+printf("\n\t\t电话1： %s",student[i].phone1);
+printf("\n\t\t电话2： %s",student[i].phone2);
+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联系人信息：(y/n)");
+if (getch()=='y')
+{
+a=i;
+continue;
+}
+else
+return;
+}
+else
+{
+printf("\n\t\t按任意键返回主菜单");
+getch();
+return;
+}
+}
+}
+if(mark!=0)
+{
+printf("\n\t\t没有相同姓名的联系人纪录");
+printf("\n\t\t按任意键返回主菜单");
+getch();
+return;
+}
+else
+{
+printf("\n\t\t没有相同姓名的联系人纪录");
+printf("\n\t\t按任意键返回主菜单");
+getch();
+return;
+}
+}
+void searchbynativeplace()//按籍贯查询
+{
+int mark=0;
+int i;
+int a=0;
+printf("\n\t\t****************** 按籍贯查找 ******************\n");
+char nativeplace[20];
+printf("\n\t\t请输入籍贯:");
+scanf("%s",nativeplace);
+for(i=0;i<num;i++)
+{
+if (strcmp(student[i].nativeplace,nativeplace)==0)
+{
+printf("\n\t\t************** 以下是您查找的联系人信息 **********");
+printf("\n\t\t籍贯： %s",student[i].nativeplace);
+printf("\n\t\t姓名： %s",student[i].name);
+printf("\n\t\t电话1： %s",student[i].phone1);
+printf("\n\t\t电话2： %s",student[i].phone2);
+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;
+}
+}
+if (mark==0)
+{
+printf("\n\t\t没有修改联系人的信息");
+printf("\n\t\t按任意键返回主菜单");
+getch();
+return;
+}
+}
+void writetofile()//写入文件
+{
+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");
+}
+}
+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);
+}
+void deleteone()//删除单个
+{
+char choic;
+printf("\n\t\t1-按籍贯删除 2-按姓名删除");
+printf("\n\t\t请选择：");
+choic=getch();
+switch (choic)
+{
+case '1':deletebynativeplace();break;
+case '2':deletebyname();break;
+}
+}
+void listbyname()//按姓名排序
+{
+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(tmp.name,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')
+showall();
+return;
+}
+void listbynativeplace()//按籍贯排序
+{
+int i,j;
+struct record tmp;
+for (i=1;i<num;i++)
+{
+if(strcmp(student[i].nativeplace,student[i-1].nativeplace)<0)
+{
+tmp=student[i];
+j=i-1;
+do
+{
+student[j+1]=student[j];
+j--;
+}while ((strcmp(tmp.nativeplace,student[j].nativeplace)<0)&&j>=0);
+student[j+1]=tmp;
+}
+}
+printf("\n\t\t排序成功,是否显示?(y/n)");
+if (getch()=='y')
+showall();
+return;
+}
+void listmenu()//排序菜单
+{
+char choic;
+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;
+}
+system("cls");
+printf("\n\t\t******************* 排序菜单 *******************");
+printf("\n\t\t********** 1-按籍贯排序 2-按姓名排序 **********");
+printf("\n\t\t********** 3-返回主菜单 **********");
+printf("\n\t\t************************************************");
+printf("\n\t\t请选择：");
+choic=getch();
+switch(choic)
+{
+case '1':listbynativeplace();break;
+case '2':listbyname();break;
+case '3':mainmenu();break;
+default:mainmenu();break;
+}
+}
diff --git a/Untitled1.exe b/Untitled1.exe
new file mode 100644
index 0000000..48fb870
Binary files /dev/null and b/Untitled1.exe differ
diff --git a/student.bin b/student.bin
new file mode 100644
index 0000000..e69de29