https://blog.youkuaiyun.com/changshiyzj/article/details/86606559
void read_file(const string& filename, string & filedata)
{
ifstream infile;
char *fileBuffer = NULL;
infile.open(filename,ios::binary);
if(infile.is_open())
{
infile.seekg(0,ios::end);
auto len = infile.tellg(); //获取文件长度
infile.seekg(0, ios::beg); //设置读取位置为起始位置
fileBuffer = new char[(size_t)len + 1];
memset(fileBuffer,0,(size_t)len + 1);
infile.read(fileBuffer,len);
filedata = fileBuffer;
delete [] fileBuffer;
}
infile.close();
}
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原文链接:https://blog.youkuaiyun.com/changshiyzj/article/details/86606559