C/C++操作加密与不加密的zip文件
为了后续的方便操作zip文件， 将所有的操作封装成了一个动态库了。
/**
* \description 从压缩包文件中解压出指定的文件到指定的目录.
* \author sunsz
* \date 2023/09/09
*
*/
LIBZIP_API int UnpackFile(const char* password, char zipfilename[], char filename_to_extract[], char filepath_to_extract[]);
/**
* \description .从压缩包文件中读出指定的文件到buffer中.
*
* \author sunsz
* \date 2023/09/09
*
*/
LIBZIP_API int UnpackBuffer(const char* password, char zipfilename[],char filenameinzip[], char *buffer,unsigned int *buffer_size);
/**
* \description 获取指定文件的大小.
*
* \author sunsz
* \date 2023/09/09
*
*/
LIBZIP_API int UnpackBufferSize(const char* password, char zipfilename[], char filenameinzip[]);
/**
* \description 从压缩包中获取文件列表.
*
* \author sunsz
* \date 2023/09/09
*
*/
LIBZIP_API int UnpackFileList(const char* password, char zipfilename[], char filename_list[256][256]);
/**
* \description 将指定的文件写入到压缩包文件中.
* opt_overwrite = 0 重新新建文件 opt_overwrite = 2 以追加的方式添加到压缩包不存在则创建
* \author sunsz
* \date 2023/09/09
*
*/
LIBZIP_API int PackFile(const char* password,char m_zipname[],char filein[],int opt_overwrite);
/**
* \description 将内容以指定的文件名称存入到压缩包文件中.
* opt_overwrite = 0 重新新建文件 opt_overwrite = 2 以追加的方式添加到压缩包不存在则创建
* \author sunsz
* \date 2023/09/09
*
*/
LIBZIP_API int PackBuffer(const char* password, char m_zipname[], char filenameinzip[], char* buffer, unsigned int buffer_size, int opt_overwrite);
示例代码:
//依赖头文件
#include
#include
#include
#include
#include
#include
//定义函数指针
//typedef int(WINAPI*S_dll_callback_demo1)(unsigned char*,unsigned char*);
typedef int(WINAPI*ZipRead)(const char*, char*, char*, char*);
typedef int(WINAPI*ZipReadFileList)(const char*, char*, char**);
typedef int(WINAPI*ZipWrite)(const char*, char*, char*,int);
typedef int(WINAPI* ZipWriteBuffter)(const char* , char *, char*, char* , unsigned int , int );
typedef int(WINAPI* ZipReadBuffer)(const char* , char *, char *, char *, unsigned int* );
typedef int(WINAPI* ZipReadBufferSize)(const char* , char *, char *);
//定义API函数变量
static ZipWrite zipWriteFile;
static ZipRead zipReadFile;
static ZipReadFileList readList;
static ZipWriteBuffter zipWriteBuffter;
static ZipReadBuffer zipReadBuffter;
static ZipReadBufferSize zipReadBuffterSize;
int main(){
int i = 0;
int j = 0;
int malloclen = 0;
unsigned int len = 0;
char* dataout = NULL;
char* passwd = "123456";
int filenum = 0;
char filelist[256][256] = { 0x00 };
char data[] = "hello zip!";
char path[] = ".//libzip.dll";
HMODULE hDll = LoadLibrary(path);
if (hDll != NULL) {
zipWriteFile = (ZipWrite)GetProcAddress(hDll, "PackFile");
zipReadFile = (ZipRead)GetProcAddress(hDll, "UnpackFile");
readList = (ZipReadFileList)GetProcAddress(hDll, "UnpackFileList");
zipWriteBuffter = (ZipWriteBuffter)GetProcAddress(hDll, "PackBuffer");
zipReadBuffter = (ZipReadBuffer)GetProcAddress(hDll, "UnpackBuffer");
zipReadBuffterSize = (ZipReadBufferSize)GetProcAddress(hDll, "UnpackBufferSize");
/*if (zipWriteFile) {
zipWriteFile(passwd, "2.zip", "D:\\D-Pro\\Test\\test_zip\\test_zip\\test.S19",0);
}
else {
printf("\nZipWriteFile\n");
}
if (zipReadFile) {
zipReadFile(passwd, "2.zip", "test.S19",".//test//11111.s19");
}
else {
printf("\nZipReadFile\n");
}*/
if (zipWriteBuffter) {
zipWriteBuffter(passwd, "3.zip", "11112.txt", data, sizeof(data), 2);
}
else {
printf("\nzipWriteBuffter \n");
}
if (zipReadBuffter) {
if (zipReadBuffterSize) {
malloclen = zipReadBuffterSize(passwd, "3.zip", "11112.txt");
if (malloclen) {
dataout = (char*)malloc(malloclen + 8);
zipReadBuffter(passwd, "3.zip", "11112.txt", dataout, &len);
printf("%s\n", dataout);
if (dataout != NULL) {
free(dataout);
dataout = NULL;
}
}
}
}
else {
printf("\nzipWriteBuffter \n");
}
}
else
{
printf("\n加载失败!\n");
}
printf("\n请按任意键结束!\n");
_getch();
return 0;
} 示例测试:
