c 文件服务器压缩图片,C++Zip压缩解压缩示例(支持递归压缩)

#include "stdafx.h"

#include "ZipFunction.h"

#include

namespace ZipUtils

{

// 全局变量

int g_nCount = 0;

ZRESULT ExtractZipToDir(LPCTSTR lpszZipFullName, CStringArray& szFilePathArr, LPCTSTR lpszUnZipPath)

{

TCHAR buffer[MAX_PATH] = {0};

CString strUnZipPath = lpszUnZipPath;

DWORD zResult = ZR_OK;

if (!strUnZipPath.IsEmpty())

{

// 如果文件路径不存在先创建,存在不做任何修改

SHCreateDirectoryEx(NULL, lpszUnZipPath, NULL);

}

else

{

GetCurrentDirectory(MAX_PATH, (LPTSTR)&buffer);

strUnZipPath = buffer;

SHCreateDirectoryEx(NULL, strUnZipPath, NULL);

}

HZIP hz = OpenZip(lpszZipFullName, 0);

ZIPENTRY ze;

GetZipItem(hz, -1, &ze);

int numitems = ze.index;

for (int zi = 0; zi < numitems; zi++)

{

ZIPENTRY ze;

GetZipItem(hz,zi,&ze);

zResult = UnzipItem(hz, zi, (CString)strUnZipPath+_T("\\")+ze.name);

szFilePathArr.Add(ze.name);

if (zResult != ZR_OK)

{

#ifndef _UNICODE

// 判断文件是否存在

if (_access(szFilePathArr[zi], 0))

{

// 文件不存在的时候

return zResult;

}

#else

if (_access((char *)(LPTSTR)(LPCTSTR)szFilePathArr[zi], 0))

{

// 文件不存在的时候

return zResult;

}

#endif

}

}

CloseZip(hz);

return zResult;

}

ZRESULT DirToZip(LPCTSTR lpszSrcPath, LPCTSTR lpszZipName, HZIP& hz, LPCTSTR lpszDestPath)

{

static CString strFileName;

g_nCount++;

DWORD zResult = ZR_OK;

TCHAR buffer[MAX_PATH] = {0};

CString strDestPath = lpszDestPath;

if (g_nCount == 1)

{

// 这里边的只执行一次

if (!strDestPath.IsEmpty())

{

// 如果解压路径文件夹不存在 先创建,存在 不做任何修改

SHCreateDirectoryEx(NULL, lpszDestPath, NULL);

}

else

{

GetCurrentDirectory(MAX_PATH, (LPTSTR)&buffer);

strDestPath = buffer;

SHCreateDirectoryEx(NULL, strDestPath, NULL);

}

hz = CreateZip((CString)strDestPath+_T("\\")+(CString)lpszZipName, 0);

}

HANDLE file;

WIN32_FIND_DATA fileData;

file = FindFirstFile((CString)lpszSrcPath+_T("\\*.*"), &fileData);

FindNextFile(file, &fileData);

while (FindNextFile(file, &fileData))

{

// 如果是一个文件目录

if(fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)

{

if (strFileName.IsEmpty())

{

ZipAddFolder(hz, fileData.cFileName);

}

else

{

ZipAddFolder(hz, strFileName+_T("\\")+fileData.cFileName);

}

strFileName = fileData.cFileName;

// 存在子文件夹 递归调用

DirToZip((CString)lpszSrcPath+_T("\\")+ fileData.cFileName, lpszZipName, hz, lpszDestPath);

strFileName.Empty();

}

else

{

CString strTempPath;

strTempPath.Format(_T("%s\\%s"), (CString)lpszSrcPath, fileData.cFileName);

if (strFileName.IsEmpty())

{

ZipAdd(hz, fileData.cFileName, strTempPath);

}

else

{

ZipAdd(hz, strFileName+_T("\\")+fileData.cFileName, strTempPath);

}

if (zResult != ZR_OK)

{

return zResult;

}

}

}

return zResult;

}

ZRESULT CompressDirToZip(LPCTSTR lpszSrcPath, LPCTSTR lpszZipName, LPCTSTR lpszDestPath)

{

HZIP hz;

DWORD zResult = ZR_OK;

zResult = DirToZip(lpszSrcPath, lpszZipName,hz, lpszDestPath);

if(zResult == ZR_OK)

{

CloseZip(hz);

}

g_nCount = 0;

return zResult;

}

}