c++ 拷贝资源方法

#include "stdio.h"

#include "stdlib.h"

#include <sys/types.h>

#include <sys/stat.h>

#include <errno.h>

#include <dirent.h>

bool copyFile(const std::string & targetPath,const std::string & sourcePath)

{

if(targetPath.empty() || sourcePath.empty())

return false;

FILE * read_fp = fopen(targetPath.c_str(),"rb");--使用二进制读取

if(!read_fp)

return false;

fseek(read_fp,0,SEEK_END);

size_t size = ftell(read_fp);

fseek(read_fp,0,SEEK_SET);

unsigned char* buffer = new unsigned char[size];

fread(buffer,sizeof(unsigned char),size,read_fp);

fclose(read_fp);

if(nullptr == buffer)

return false;

FILE * write_fp=fopen(targetPath.c_str(),"wb+");//拷贝

fwrite(buffer, sizeof(unsigned char),size,write_fp);

fclose(write_fp);

return true;

}