C++ 压缩文件及文件夹方法 使用zlib开源库

#include "stdafx.h"#include <string>#include <iostream>#include <vector>#include <Shlwapi.h> #include "zip.h"#include "unzip.h"#include "zlib.h"#include <stdio.h>#include <stdlib.h>#include <fstream>#include <sstream>using namespace std;//部分头文件不需要（自行去掉）#pragma comment(lib, "Shlwapi.lib")bool nyAddfiletoZip(zipFile zfile, const std::string& fileNameinZip, const std::string& srcfile);bool nyCollectfileInDirtoZip(zipFile zfile, const std::string& filepath, const std::string& parentdirName);bool nyCreateZipfromDir(const std::string& dirpathName, const std::string& zipfileName, const std::string& parentdirName);int _tmain(int argc, _TCHAR* argv[]){	std::string dirpath = "D://RecycleBin//wei";			//源文件/文件夹	std::string zipfileName = "D://RecycleBin//lango.rar";	//目的压缩包	nyCreateZipfromDir(dirpath, zipfileName, "wei");	system("pause");	return 0;}/** 函数功能 :解压zip文件* 备 注 :参数strFilePath表示zip压缩文件的路径*			参数strTempPath表示要解压到的文件目录*/bool nyAddfiletoZip(zipFile zfile, const std::string& fileNameinZip, const std::string& srcfile){	if (NULL == zfile || fileNameinZip.empty()/* || srcfile.empty()为空代表空目录*/)	{		return 0;	}	int nErr = 0;	zip_fileinfo zinfo = {0};	tm_zip tmz = { 0 };	zinfo.tmz_date = tmz;	zinfo.dosDate = 0;	zinfo.internal_fa = 0;	zinfo.external_fa = 0;	char sznewfileName[MAX_PATH] = { 0 };	memset(sznewfileName, 0x00, sizeof(sznewfileName));	strcat_s(sznewfileName, fileNameinZip.c_str());	if (srcfile.empty())	{		strcat_s(sznewfileName, "//");	}	nErr = zipOpenNewFileInZip(zfile, sznewfileName, &zinfo, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_DEFAULT_COMPRESSION);	if (nErr != ZIP_OK)	{		return false;	}	if (!srcfile.empty())	{		//打开源文件		FILE* srcfp = _fsopen(srcfile.c_str(), "rb", _SH_DENYNO);		if (NULL == srcfp)		{			std::cout << "Open source file failed." << std::endl;			return false;		}		//读入源文件写入zip文件		int numBytes = 0;		char* pBuf = new char[1024 * 100];		if (NULL == pBuf)		{			std::cout << "new buffer failed." << std::endl;			return 0;		}		while (!feof(srcfp))		{			memset(pBuf, 0x00, sizeof(pBuf));			numBytes = fread(pBuf, 1, sizeof(pBuf), srcfp);			nErr = zipWriteInFileInZip(zfile, pBuf, numBytes);			if (ferror(srcfp))			{				break;			}		}		delete[] pBuf;		fclose(srcfp);	}	zipCloseFileInZip(zfile);	return true;}bool nyCollectfileInDirtoZip(zipFile zfile, const std::string& filepath, const std::string& parentdirName){	if (NULL == zfile || filepath.empty())	{		return false;	}	bool bFile = false;	std::string relativepath = "";	WIN32_FIND_DATAA findFileData;	char szpath[MAX_PATH] = { 0 };	if (::PathIsDirectoryA(filepath.c_str()))	{		strcpy_s(szpath, sizeof(szpath) / sizeof(szpath[0]), filepath.c_str());		int len = strlen(szpath) + strlen("//*.*") + 1;		strcat_s(szpath, len, "//*.*");	}	else	{		bFile = true;		strcpy_s(szpath, sizeof(szpath) / sizeof(szpath[0]), filepath.c_str());	}	HANDLE hFile = ::FindFirstFileA(szpath, &findFileData);	if (NULL == hFile)	{		return false;	}	do 	{		if (parentdirName.empty())			relativepath = findFileData.cFileName;		else			relativepath = parentdirName + "//" + findFileData.cFileName;//生成zip文件中的相对路径		if (findFileData.dwFileAttributes == FILE_ATTRIBUTE_DIRECTORY)		{			if (strcmp(findFileData.cFileName, ".") != 0 && strcmp(findFileData.cFileName, "..") != 0)			{				nyAddfiletoZip(zfile, relativepath, "");				char szTemp[MAX_PATH] = { 0 };				strcpy_s(szTemp, filepath.c_str());				strcat_s(szTemp, "//");				strcat_s(szTemp, findFileData.cFileName);				nyCollectfileInDirtoZip(zfile, szTemp, relativepath);			}			continue;		}		char szTemp[MAX_PATH] = { 0 };		if (bFile)		{			//注意：处理单独文件的压缩			strcpy_s(szTemp, filepath.c_str());		}		else		{					//注意：处理目录文件的压缩			strcpy_s(szTemp, filepath.c_str());			strcat_s(szTemp, "//");			strcat_s(szTemp, findFileData.cFileName);		}		nyAddfiletoZip(zfile, relativepath, szTemp);	} while (::FindNextFileA(hFile, &findFileData));	FindClose(hFile);	return true;}bool nyCreateZipfromDir(const std::string& dirpathName, const std::string& zipfileName, const std::string& parentdirName){	bool bRet = false;		/***********参数注释*********/	/*APPEND_STATUS_CREATE		创建追加	APPEND_STATUS_CREATEAFTER	创建后追加（覆盖方式）	APPEND_STATUS_ADDINZIP		直接追加*/	/****************************/	zipFile zFile = NULL;	if (!::PathFileExistsA(zipfileName.c_str()))	{		zFile = zipOpen(zipfileName.c_str(), APPEND_STATUS_CREATE);	}	else	{		zFile = zipOpen(zipfileName.c_str(), APPEND_STATUS_ADDINZIP);	}	if (NULL == zFile)	{		std::cout << "create zip file failed." << std::endl;		return bRet;	}	if (nyCollectfileInDirtoZip(zFile, dirpathName, parentdirName))	{		bRet = true;	}	zipClose(zFile, NULL);	return bRet;}