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！

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

#ifndef ZipAndFileH
#define ZipAndFileH
#include <Classes.hpp>
//---------------------------------------------------------------------------
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 <vcl.h>

//---------------------------------------------------------------------------
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_NOCONFIRMATION 不出现确认对话框(当需要覆盖时)
    bool b=false;
    b=SHFileOperation(&op);
    //int kkk= SHFileOperation(&op);
    switch(GetLastError())
    {
        //只要出错就弹出
        return false;
    }

    return(b);
}
//删除目录文件
//---------------------------------------------------------------------------
bool ZipAndFile::deldir(char* dir_fullpath) //删除指定的目录
{
    char dir[260]={0};
    char filename[260]={0};
    int len = 0;
    int ch = '\\';
    strcpy(dir, dir_fullpath);
    len = strlen(dir);
    char *temp = strrchr(dir,ch);//查找\\
    if(len < 4 || temp == NULL)   //根据后面的\\来判断，可能为磁盘根目录或者不是有效的目录路径
    return false;

    if(temp != NULL)
    {
        if

补充：软件开发 , C++ ,