c++builder ZIP文件解压与压缩(ZLIB DLL调用),目录复制与删除整合的自用类,可自行扩张!(一)

2014-11-24 12:10:42 · 作者: · 浏览: 3

头文件:ZipAndFile.h
[cpp]
//---------------------------------------------------------------------------

#ifndef ZipAndFileH
#define ZipAndFileH
#include
//---------------------------------------------------------------------------
class ZipAndFile{
private:

public:
ZipAndFile();
~ZipAndFile();
//ZIP操作
bool DoZipfile(String DoZip,String ZipFilename,String SourceFile,bool Check);
//复制目录
bool MyCopyFiles(AnsiString FromFile,AnsiString ToFile);
//删除目录
bool deldir(char* dir_fullpath);
};
#endif


源文件:ZipAndFile.cpp
[cpp]
//---------------------------------------------------------------------------
#pragma hdrstop
#include "ZipAndFile.h"
#include "Tlhelp32.h"
#include

//---------------------------------------------------------------------------
ZipAndFile::ZipAndFile()
{
}
ZipAndFile::~ZipAndFile()
{
}
//ZIP压缩与解压
//---------------------------------------------------------------------------
bool ZipAndFile::DoZipfile(String DoZip,String ZipFilename,String SourceFile,bool Check)
{
bool ZipReturn=false;
WideString w1;//必需要这样申请WideString变量,不然传值时会让两个变量使用同一样内存地址,搞了3个小时才发现这是BCB2006的BUG.
WideString w2;
LPCTSTR L1;//必需使用这个格式的变量,不然传过去到DLL时乱码。
LPCTSTR L2;
if(DoZip=="ZWZipCompress")//压缩
{
w1=SourceFile;
w2=ZipFilename;
L1=(const char*)w1.c_bstr();
L2=(const char*)w2.c_bstr();

bool __stdcall (*DllMethods)(LPCTSTR,LPCTSTR,bool);
HINSTANCE hInst=NULL;
hInst=LoadLibrary((ExtractFilePath(Application->ExeName)+"ZLibWrap.dll").c_str());//动态加载DLL //当前目录下的DLL文件
FARPROC P;
P = GetProcAddress(hInst,DoZip.c_str());
DllMethods=(bool __stdcall (__cdecl *)(LPCTSTR,LPCTSTR,bool))P;
if(DllMethods){
ZipReturn=DllMethods(L1,L2,Check);
}
FreeLibrary(hInst);
return ZipReturn;
}else if(DoZip=="ZWZipExtract")//解压
{
w1=ZipFilename;
w2=SourceFile;
L1=(const char*)w1.c_bstr();
L2=(const char*)w2.c_bstr();
bool __stdcall (*DllMethods)(LPCTSTR,LPCTSTR);
HINSTANCE hInst=NULL;
hInst=LoadLibrary((ExtractFilePath(Application->ExeName)+"ZLibWrap.dll").c_str());//动态加载DLL //当前目录下的DLL文件
FARPROC P;
P = GetProcAddress(hInst,DoZip.c_str());
DllMethods=(bool __stdcall (__cdecl *)(LPCTSTR,LPCTSTR))P;
if(DllMethods){
ZipReturn=DllMethods(L1,L2);
}
FreeLibrary(hInst);
return ZipReturn;
}
}
//复制目录文件
//---------------------------------------------------------------------------
bool ZipAndFile::MyCopyFiles(AnsiString FromFile,AnsiString ToFile)
{
while(true){
if (!DirectoryExists(ToFile)){
CreateDir(ToFile);//文件夹不存在则创建
break;
}else{
deldir(ToFile.c_str());//在就删除
}
}
SHFILEOPSTRUCT op;
String strFrom = FromFile+"\\*.*";
String strTo = ToFile;
op.fAnyOperationsAborted = true;
op.hwnd = NULL;
op.wFunc = FO_COPY;
op.pFrom = strFrom.c_str();
op.pTo = strTo.c_str();
op.fFlags = FOF_NOCONFIRMATION |FOF_NOCONFIRMMKDIR; //FOF_N