文件 c语言 封装,file_assistant

#include

#include

void call_file()

{

using namespace oct_toolkits;

using namespace std;

/// 创建文件对象

ifile* pfile = create_ifile_();

if (NULL == pfile)

{

cout << "call_file, pfile = null";

return;

}

/// 1.

std::string str_file("C:/game/file_demo/ssr.txt");

/// 下面这样的方式也可以

//std::string str_file("C:\\game\\file_demo\\ssr.txt");

/// ----------------------------------------------------------------------------------------

/// 下面是检查文件是否存在

if (true == pfile->is_existed_(str_file))

{

cout << "文件存在\n\n";

}

else

cout << "文件不存在\n\n";

int ret = 0;

ret = pfile->init_(str_file, kmode_rtp);

if (0 != ret)

{

cout << "call file, init != 0, ret=" << ret;

pfile = release_ifile_(pfile);

return;

}

/// 读取文件长度

cout << "文件长度=" << pfile->length_() << "\n";

cout << "文件是否打开=" << pfile->is_opened_() << "\n";

cout << "文件是=" << pfile->file_();

/// 下面读取文件内容

cout << "\nstring 读取文件------";

std::string str_content;

ret = pfile->read_(str_content);

if (0 != ret)

{

cout << "文件读取失败, ret=" << ret;

}

else

{

cout << "文件内容是" << str_content.c_str() << "\n";

}

/// ----------------------------------------------------------------------------------------

///

char arr[20] = { 0 };

cout << "\nchar 读取文件------";

ret = pfile->read_(arr, 20);

if (0 != ret)

{

cout << "文件读取失败, ret=" << ret;

}

else

{

cout << "文件内容是" << arr << "\n";

}

/// 下面是写文件

cout << "\n下面是std::string写文件";

std::string str_write("ABCDEFG");

ret = pfile->write_(str_write);

if (0 != ret)

{

cout << "写文件发失败，ret=" << ret << "\n";

}

else

{

cout << "写文加成功, ret=" << ret << "\n";

}

cout << "\n\n下面是char 写文件-------";

char arr_write[] = { "0987654321" };

ret = pfile->write_(arr_write, 10);

if (0 != ret)

{

cout << "写文件发失败，ret=" << ret << "\n";

}

else

{

cout << "写文加成功, ret=" << ret << "\n";

}

pfile = release_ifile_(pfile);

}

int main(int argc, char* argv[], char* env[])

{

call_file();

//system("pause");

return 0;

}