c语言编写一个虚拟文件管理系统
使用c语言编写一个虚拟文件管理系统。可以用数据库，XML格式，TXT文本作为存储格式。要求有文件操作的基本功能，有建立，删除，移动，修改文件名和目录名的功能。
试用例题，
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
/******************分割线**********************/
typedef struct Y_Filestruct
{
char name [20];
char creator[10];
int size ;
struct Y_Filestruct *NextFile;
struct Y_FolderStruct*ParentFolder;
char location[20];
}Y_File;
typedef struct Y_FolderStruct
{
char name[20];
struct Y_FolderStruct *NextFolder,*FirstChild;
struct Y_FolderStruct *ParentFolder;
Y_File *FirstFile;
int size;//子文件数目
}Y_Folder;
/******************分割线**********************/
Y_Folder *current_Folder;//当前所在的文件夹
Y_File *current_File;//当前所在的文件
Y_Folder *root;
/******************分割线**********************/
void system_init()
{
printf("/**********************************/\n***********文件管理系统**********\n");
printf("*************功能选择************\n");
printf("/*1 创建文件夹\n");
printf("/*2 创建文件（在当前文件夹下） \n");
printf("/*3 浏览当前路径及文件\n");
printf("/*4 返回上级文件夹 \n");
printf("/*5 返回上级文件夹(子文件夹) \n");
printf("/*6 创建兄弟文件夹\n");
printf("/*0 退出系统 \n");
printf("/**********************************/\n");
}
Y_Folder *CreateFolder(Y_Folder*pParentFolder)
{
Y_Folder *fldNew = (Y_Folder*)malloc(sizeof(Y_Folder));
Y_Folder *fldPre = (Y_Folder*)malloc(sizeof(Y_Folder));
printf("You are craeting a Folder,please enter the Folder name:\n");
gets(fldNew->name);
fldNew->FirstFile = NULL;
fldNew->FirstChild = NULL;
fldNew->NextFolder = NULL;
if (pParentFolder != NULL)
{
fldPre = pParentFolder->FirstChild;
if(fldPre == NULL)
{
pParentFolder ->FirstChild = fldNew;
}
else
{
while(fldPre->NextFolder != NULL)
{
fldPre = fldPre->NextFolder;
}
fldPre->NextFolder = fldNew;
}
}
fldNew->ParentFolder = pParentFolder;
free(fldPre);
printf("You have creat the folder successfully!:%s \nwhich's father is%s\n",fldNew->name,fldNew->ParentFolder->name);
return fldNew;
}
Y_Folder *Create_NextFolder(Y_Folder*pParentFolder)
{
Y_Folder *fldNew = (Y_Folder*)malloc(sizeof(Y_Folder));
Y_Folder *fldPre = (Y_Folder*)malloc(sizeof(Y_Folder));
printf("You are craeting the sister Folder,please enter the Folder name:\n");
gets(fldNew->name);
fldNew->FirstFile = NULL;
fldNew->FirstChild = NULL;
fldNew->NextFolder = NULL;
if (pParentFolder != NULL)
{
fldPre = pParentFolder;
while(fldPre->NextFolder != NULL)
{
fldPre = fldPre->NextFolder;
}
fldPre->NextFolder = fldNew;
}
fldNew->ParentFolder = pParentFolder->ParentFolder;
free(fldPre);
printf("You have creat the folder successfully!:%s \n which's father is%s \n,which's sister's Fodler is: %s \n",fldNew->name,fldNew->ParentFolder->name,pParentFolder->name);
return fldNew;
}
Y_Folder *Root_init()
{
Y_Folder *root = (Y_Folder*)malloc(sizeof(Y_Folder));
root->ParentFolder =NULL;
root->FirstFile = NULL;
printf("please enter the root's name\n");
gets(root->name);
root->NextFolder = NULL;
root->size = 0;
return root;
}
Y_File *Creat_File(Y_Folder*Folder_now)
{
Y_File *fnew = (Y_File*)malloc(sizeof(Y_File));
Y_File *fpre = (Y_File*)malloc(sizeof(Y_File));;
fnew->NextFile = NULL;
if(Folder_now == NULL)
{
printf("还未创建文件夹，请创建文件夹后再创建文件\n");
return NULL;
}
else
{
printf("You are craeting a File,please enter the File name:\n");
gets(fnew->name);
printf("please enter the File's creator:\n");
gets(fnew->creator);
printf("please enter the File's size\n");
scanf("%d",&fnew->size);
Folder_now->size++;
for(int j =0;j<20;j++)
{
fnew->location[j] = Folder_now->name[j];
}
}
if (Folder_now->FirstFile == NULL)
{
Folder_now->FirstFile = fnew;
}
else
{
fpre = Folder_now->FirstFile;
while(fpre->NextFile != NULL)
fpre = fpre->NextFile;
fpre->NextFile = fnew;
}
Folder_now->size++;
return fnew;
}
void print_Fileroot(Y_Folder*Folder_now)
{
if (Folder_now!=NULL)
{
printf("%s",Folder_now->name);
print_Fileroot(Folder_now->FirstChild);
}
return;
}
void print_File_inf(Y_File * fl)
{
}
void print_Filenum(Y_Folder*Folder_now)
{
printf("the file num of the Folder is :%d\n",Folder_now->size);
return;
}
Y_Folder* goback(Y_Folder*now_Folder)
{
Y_Folder *pre= (Y_Folder*)malloc(sizeof(Y_Folder));
if(now_Folder->ParentFolder!=NULL)
{
pre = now_Folder->ParentFolder;
printf("you have go back to the last folder successfully!\n");
printf("the folder's name is:%s\n",now_Folder->ParentFolder->name);
}
else
{
printf("there is no folder\n");
}
return pre;
}
void compare_sp(char *sp,char a[])
{
int size = sizeof(sp);
for (int l=0;l<size;l++)
{
}
}
int main ()
{
int acc;
int i =0;
int j = 0;//子文件夹
int imax =0;
int jmax = 0;//子文件夹最大数量
int fn = 0;
int fmax =0;
char *sp;
sp = (char*)malloc(sizeof(char));
Y_Folder *fds[6];
Y_Folder *fds_next[6];
Y_File *f[6];
fds[i]=CreateFolder(NULL);
system_init();
scanf("%d",&acc);
fflush(stdin);
while(acc!= 0)
{
switch(acc)
{
case 1:
printf("you are going to creat a folder\n");
fds[i+1] = CreateFolder(fds[i]);
current_Folder = fds[i+1];
i++;
imax++;
printf("current_folder:%s \nremain folders:%d\n",fds[i]->name,6-i);
printf("enter the next step :\n");
scanf("%d",&acc);
fflush(stdin);
break;
case 2://创建文件
printf("you are going to creat a file\n");
f[fn] = Creat_File(fds[i]);
fn++;
printf("current_folder:%s\n",fds[i]->name);
printf("enter the next step :\n");
scanf("%d",&acc);
fflush(stdin);
break;
case 3://打印文件夹
for (int k =0;k<=imax;k++)
{
if(fds[k]->FirstChild!=NULL)
{
printf("%s(Folder)->",fds[k]->name);
}
else
{
printf("%s(Folder)\n",fds[k]->name);
}
}
if(jmax!=0)
{
printf("子文件夹和父文件夹显示：\n");
for (int k =0;k<=jmax;k++)
{
if(fds_next[k]->FirstChild!=NULL)
{
printf("%s->",fds_next[k]->name);
}
else
{
printf("%s\n",fds_next[k]->name);
}
}
}
if(f!=0)
{
printf("子文件显示\n");
for (int o =0;o<fn;o++)
{
if(f[o]!=NULL)
{
printf("%s(folder)->%s(file)\n",f[o]->location,f[o]->name);
}
}
}
printf("enter the next step :\n");
scanf("%d",&acc);
fflush(stdin);
break;
case 4:
printf("you are going to bo back to the last folder:\n",fds[i-1]->name);
i-=1;
if(i<0)
{
i=0;
}
printf("current_folder:%s\n",fds[i]->name);
printf("enter the next step :\n");
scanf("%d",&acc);
fflush(stdin);
break;
case 5://
printf("you are going to bo back to the last folder:\n",fds_next[j-1]->name);
j-=1;
current_Folder = fds_next[j];
if(j<0)
{
j=0;
}
printf("current_folder:%s\n",fds[i]->name);
printf("enter the next step :\n");
scanf("%d",&acc);
fflush(stdin);
break;
case 6:
printf("you are going to build the child folder,which's sister Folder is:\n",fds[i]->name);
fds_next[j] = Create_NextFolder(fds[i]);
current_Folder = fds_next[j];
j++;
jmax++;
printf("enter the next step :\n");
scanf("%d",&acc);
fflush(stdin);
break;
default:
printf("please enter again:\n");
scanf("%d",&acc);
break;
}
}
return 0;
}
https://blog.csdn.net/waibibabO_/article/details/124252686
- 这个问题的回答你可以参考下: https://ask.csdn.net/questions/7610333