C++类库LibXL从内存缓冲中读取Excel spreadsheet

这个例子显示了如何从内存缓冲区读取Excel电子表格。

LibXL是一个轻量级的Excel类库，支持各类平台运行，如需使用先行点击这里下载：

#include "libxl.h"#include <iostream>#include <fstream>using namespace libxl;int main(){    std::fstream stream("input.xls", std::ios_base::in | std::ios_base::binary);    if(!stream)    {        std::cout << "file not found" << std::endl;        return 1;    }    stream.seekg(0, std::ios_base::end);    unsigned size = stream.tellg();    char* buf = new char[size];    stream.seekg(0, std::ios_base::beg);    stream.read(buf, size);    Book* book = xlCreateBook();     if(book->loadRaw(buf, size))    {        Sheet* sheet = book->getSheet(0);        std::wcout << sheet->name() << std::endl;    }    else    {        std::cout << book->errorMessage() << std::endl;        return 1;    }    delete[] buf;    return 0;}

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