檔案管理系統 (轉)
/***********文 件 管 理 系 統***********/
#include
#include
#include
#include
#include
#include
#include
#include
int init() /*初始化操作介面函式*/
{int i;
clrscr();
gotoxy(23,4);printf("* * * * * * * * * * * * * *");
gotoxy(27,5);printf("FILE MANAGE SYSTEM");
gotoxy(23,6);printf("* * * * * * * * * * * * * *");
gotoxy(28,9);printf("1--Creat File");
gotoxy(28,10);printf("2--Delete File");
gotoxy(28,11);printf("3--OPen File");
gotoxy(28,12);printf("4--Write File");
gotoxy(28,13);printf("5--Locate File");
gotoxy(28,14);printf("6--Modify File");
gotoxy(28,15);printf("7--Copy File");
gotoxy(28,16);printf("8--Move File");
gotoxy(28,17);printf("9--Cataloge Manage");
gotoxy(28,18);printf("10--Exit File");
gotoxy(25,21);
printf("Please Choice:");
scanf("%d",&i);
return(i); /*選擇相應的序號，相應的操作*/
}
main()
{int x,i,j,flag=1;
char name[15],name1[15],name2[40];
char choice,ch;
int handle,status; /*定義檔案的指標和狀態*/
FILE *fp;
while(flag) /*初始化介面*/
{i=init();
getchar();
switch(i)
{ case 1:label1: /*建立檔案操作*/
clrscr();
gotoxy(27,5);printf("CREAT FILEn");
for(j=0;j<40;j++)
printf("= ");
printf("nnPlease input the creating file name and routine:n");
scanf("%s",name);
getchar();
handle=creatnew(name,0)；/*按指定的檔案方式建立檔案，若有同名檔案返回錯誤程式碼*/
if(handle==-1)
{ printf("nSorry,the file already exists.");
getchar();
printf("nInput again?(Y or N)");
scanf("%c",&choice);getchar();
if(choice=='Y'||choice=='y')
goto label1;
}
else { printf("nThe file is created.");
printf("Do you now input contentof the file?(Y or N):");
while(1) /*輸入建立檔案的內容*/
{ scanf("%c",&choice);
if(choice=='y'||choice=='n'||choice=='Y'||choice=='N')
break;
else
printf("nError!Please input again!");
}
if(choice=='y'||choice=='Y')
{ printf("nNow input content to the file(End with '#'):nn");
fp=fopen(name,'w');/*把內容存放到fp指向的檔案中去*/
ch=getchar();
while(ch!='#')
{ fputc(ch,fp);
ch=getchar();
}
fclose(fp);getchar();/*關閉檔案*/
}
getchar();
break;
case 2:label2: /*刪除檔案的操作*/
clrscr();
gotoxy(25,5);printf("DELETE FILEn");
for(j=0;j<40;j++)
printf("= ");
printf("nnPlease input the deleting file name and routine:n");
scanf("%s",name); /*輸入要刪除的檔名*/
getchar();
printf("n Are you sure?(Y or N):");
while(1)
{ scanf("%c",&choice);
if(choice=='y'||choice=='n'||choice=='Y'||choice=='N')
break;
else
printf("nError!Please input again!");
}
if(choice=='y'||choice=='Y')
{status=access(name,0);/*獲取檔案的狀態，是否存在*/
if(status!=0)
{printf("nSorry the file doesn't exist!");
getchar();
printf("nnInput again?(Y or N)");
scanf("%c",&choice);getchar();
if(choice=='Y'||choice=='y')
goto label2;
}
else
{ status=access(name,02);/*獲取檔案的狀態，是否存在並且是否只讀*/
if(status!=0)
{ printf("nSorry the file is only read!");
getchar();
}
else
{unlink(name); /*從目錄中刪除一個檔案函式，該函式在dos.h中*/
printf("nndelete succefully!");
getchar();
}
}
}
getchar();
break;
case 3:label3: /*開啟檔案操作*/
clrscr();
gotoxy(27,5);printf("OPEN FILEn");
for(j=0;j<40;j++)
printf("= ");
printf("nnPlease input the opening file name and routine:n");
scanf("%s",name);
status=access(name,0);/*獲取檔案的狀態*/
if(status!=0)
{printf("nSorry the file doesn't exist!");
getchar();
printf("nnInput again?(Y or N)");
scanf("%c",&choice);getchar();
if(choice=='Y'||choice=='y')
goto label3;
}
else
{ printf("nNow begin to read the file:n");
fp=fopen(name,'r');
ch=fgetc(fp); /*讀出檔案到*/
while(ch!=EOF)
{printf("%c",ch);
ch=fgetc(fp);j++;
}
fclose(fp);getchar();/*關閉檔案*/
}
getchar();
break;
case 4:label4: /*寫檔案操作*/
clrscr();
gotoxy(27,5);printf("WRITE FILEn");
for(j=0;j<40;j++)
printf("= ");
printf("nnPlease input the writing file name and routine:n");
scanf("%s",name);
status=access(name,0);/*獲取name指向的檔案狀態*/
if(status!=0)
{printf("nSorry the file doesn't exist!");
getchar();
printf("nnInput again?(Y or N)");
scanf("%c",&choice);getchar();
if(choice=='Y'||choice=='y')
goto label4;
}
else
{fp=fopen(name,'w');/*以寫入方式開啟name 指向的檔案*/
printf("nPlease input the information(end with '#'):n");
ch=getchar(); /*重寫檔案*/
while(ch!='#')
{ fputc(ch,fp);
ch=getchar();
}
fclose(fp);getchar();/*關閉檔案*/
}
getchar();
break;
case 5:label5: /*定位檔案操作*/
clrscr();
gotoxy(27,5);printf("LOCATE FILEn");
for(j=0;j<40;j++)
printf("= ");
printf("nnPlease input the locating file name and routine:n");
scanf("%s",name);
status=access(name,0);/*獲取name檔案指向的檔案的狀態*/
if(status!=0)
{printf("nSorry the file doesn't exist!");
getchar();
printf("nnInput again?(Y or N)");
scanf("%c",&choice);getchar();
if(choice=='Y'||choice=='y')
goto label5;
}
else
{printf("nPlease input the location:");
scanf("%d",&x);
handle=open(name,O_CREAT|O_RDWR,S_IREAD|S_IWRITE);/*開啟由name指定的檔案，name既可以是簡單的檔名*/
/*也可以是檔案的路徑名，O_CREAT表示了開啟檔案的存取程式碼，若檔案不存在，則建立，否則無效。*/
/*O_RDWR表示開啟檔案用於讀寫。S_IREAD|S_IWRITE允許讀寫*/
lseek(handle,x,SEEK_SET);/*該函式把由handle指定的檔案的檔案指標，移到SEEK_SET(開始位置)再加上x偏移量的地方*/
getchar();
}
getchar();
break;
case 6:label6: /*修改檔案屬性操作*/
clrscr();
gotoxy(27,5);printf("MODIFY FILEn");
for(j=0;j<80;j++)
printf("= ");
printf("nnPlease input the modifying attribution file name and routine:n");
scanf("%s",name);
status=access(name,0);/*獲取檔案的狀態*/
if(status!=0)
{printf("nSorry the file doesn't exist!");
getchar();
printf("nnInput again?(Y or N)");
scanf("%c",&choice);getchar();
if(choice=='Y'||choice=='y')
goto label6;
}
else
{ printf("nPlease choice:1--READ_ONLY 2--WRITE_ONLY");
printf("nnPlease choice the attributione operation:");
while(1)
{ scanf("%d",&x);
if(x==1||x==2)
break;
else
printf("nError!Please input again!");
}
if(x==1) { status=chmod(name,S_IREAD);/*修改檔案為“只讀”*/
if(status)
printf("nSorry!Couldn't make the file read_only!");
else
printf("n===Made read_only===",name);
getchar();
}
else if(x==2) /*修改檔案為“只寫”*/
{ status=chmod(name,S_IWRITE);
if(status)
printf("nSorry!Couldn't make the file write_only!");
else
printf("n===Made write_only===",name);
getchar();
}
}
getchar();
break;
case 7:clrscr(); /*複製檔案的操作*/
gotoxy(27,5);printf("COPY FILEn");
for(j=0;j<40;j++)
printf("= ");
printf("nnPlease input the copying file name and routine:n");
scanf("%s",name);
getchar();
printf("nPlease input the copyed file name and routine:n");
scanf("%s",name1);
getchar();
strcpy(name2,"copy ");
strcat(name2,name);
strcat(name2," ");
strcat(name2,name1);
system(name2); /*系統dos指令*/
getchar();
break;
case 8:clrscr(); /*移動檔案操作*/
gotoxy(27,5);printf("MOVE FILEn");
for(j=0;j<40;j++)
printf("= ");
printf("nnPlease input the moving file name and routine:n");
scanf("%s",name);
getchar();
printf("nPlease input the moving file name and routine:n");
scanf("%s",name1);
getchar();
strcpy(name2,"move ");
strcat(name2,name);
strcat(name2," ");
strcat(name2,name1);
system(name2); /*系統呼叫dos指令*/
getchar();
break;
case 9: label9: /*目錄管理操作*/
clrscr();
gotoxy(27,5);printf("CATALOGUE MANAGEn");
for(j=0;j<40;j++)
printf("= ");
gotoxy(13,9);
printf("Please input the moving file name and routine:n");
gotoxy(25,11);printf("1--display catalogue");
gotoxy(25,12);printf("2--creat catalogue");
gotoxy(25,13);printf("3--detele catalogue");
gotoxy(25,14);printf("4--copy catalogue");
gotoxy(25,15);printf("5--move catalogue");
gotoxy(25,16);printf("6--exit catalogue");
gotoxy(26,20);
printf("Please choice:");
scanf("%d",&x);
while(x<1||x>6)
{printf("nError!Please input again!n");
scanf("%d",&x);
}
switch(x)
{ case 1: printf("nPlease iuput the displaying catalogue:n");
scanf("%s",name);/*縣是目錄操作*/
strcpy(name2,"dir ");/*複製dir命令*/
strcat(name2, name);
printf("%s",name2);
getchar();
system(name2);/*系統呼叫*/
getchar();
break;
case 2: printf("nPlease iuput the creating catalogue:n");
scanf("%s",name);/*建立目錄操作*/
strcpy(name2,"md ");/*複製md命令*/
strcat(name2,name);
system(name2);/*系統呼叫*/
getchar();
break;
case 3: printf("nPlease iuput the deleting catalogue:n");
scanf("%s",name);/*刪除目錄操作*/
strcpy(name2,"rd ");/*複製rd命令*/
strcat(name2,name);
system(name2);
getchar();
break;
case 4: printf("nPlease iuput the copying catalogue:n");
scanf("%s",name);/*複製目錄操作*/
printf("nPlease iuput the displayed catalogue:n");
scanf("%s",name1);
strcpy(name2,"xcopy ");/*複製xcopy命令*/
strcat(name2,name);
strcat(name2," ");
strcat(name2,name1);
strcat(name2,"/e");
system(name2);/*系統呼叫*/
getchar();break;
case 5: printf("nPlease iuput the moving catalogue:n");
scanf("%s",name);/*移動目錄操作*/
printf("nPlease iuput the moved catalogue:n");
scanf("%s",name1);
strcpy(name2,"move ");/*複製move命令*/
strcat(name2,name);
strcat(name2," ");
strcat(name2,name1);
system(name2);
getchar();break;
case 6:goto tag; /*退出目錄管理操作*/
}
printf("Input again?(Y or N)");
scanf("%c",&choice);getchar();
if(choice=='Y'||choice=='y')
goto label9;
tag:getchar();
break;
case 10:flag=0;exit(0);break; /*退出系統*/
default: clrscr();
printf("nn Error!Please input again!n");
getchar();
break;
}
}
}
}
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/10752043/viewspace-993857/，如需轉載，請註明出處，否則將追究法律責任。
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