Pure Golang xls library writen by Rongshu Tech (chinese), based on libxls.
Thanks for contributions from Tamás Gulácsi @tgulacsi, @flyin9.
Use Open function for open file
Use OpenWithCloser function for open file and use the return value closer for close file
Use OpenReader function for open xls from a reader, you should close related file in your own code
Follow the example in GoDoc