latex I found no \bibdata command

latex I found no bibdata command

latex I found no bibdata command---while reading file bare_jrnll.aux

在.tex里面少了这两句话，可以看下别人的完整文件对应的位置即可

bibliographystyle{IEEEtran}

% argument is your BibTeX string definitions and bibliography database(s)

bibliography{IEEEabrv,citation.bib}