我给出了IEEE/ACM论文作者单位的几种写法，就像孔乙己说回字有四种写法一样无聊。
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IEEE模板会议论文对于多作者多单位的文章，有好几种写法，我这里都给列一下。
IEEE模板的下载地址：IEEE - Manuscript Templates for Conference Proceedings
写法一
\author{\IEEEauthorblockN{San Zhang\IEEEauthorrefmark{a*}, Si Li\IEEEauthorrefmark{a,b}, Wu Wang\IEEEauthorrefmark{b}}\IEEEauthorblockA{\IEEEauthorrefmark{a} School of Computer Science, Wuhan University, Wuhan, China}\IEEEauthorblockA{\IEEEauthorrefmark{b} Department of Computer Science and Technology, Tsinghua University, Beijing, China}\IEEEauthorblockA{\{zhangsan\}@XXX.com, \{lisi, wangwu\}@XXX.edu.cn}
}写法二
\author{\IEEEauthorblockN{San Zhang$^{a*}$, Si Li$^{a,b}$, Wu Wang$^b$}\IEEEauthorblockA{$^a$ School of Computer Science, Wuhan University, Wuhan, China}\IEEEauthorblockA{$^b$ Department of Computer Science and Technology, Tsinghua University, Beijing, China}\IEEEauthorblockA{\{zhangsan\}@XXX.com, \{lisi, wangwu\}@XXX.edu.cn}
}上面两种写法的效果如下：
图中的a, b换成1，2,或者十字，星号都行，看个人喜好了。
写法三（给人名附上邮箱地址链接）
\author{\IEEEauthorblockN{San Zhang$^{a*}$, Si Li$^{a,b}$, Wu Wang$^b$, Goudan Li$^c$}\IEEEauthorblockA{$^a$ School of Computer Science, Wuhan University, Wuhan, China}\IEEEauthorblockA{$^b$ Department of Computer Science and Technology, Tsinghua University, Beijing, China}\IEEEauthorblockA{$^c$ Chentangguan, Tianjing, China}% \IEEEauthorblockA{\{zhangsan\}@XXX.com, \{lisi, wangwu\}@XXX.edu.cn, {g.li}@XXX.com}\IEEEauthorblockA{\href{mailto:zhangsan@XXX.com}{zhangsan}@XXX.com, \{\href{mailto:lisi@XXX.edu.cn}{lisi}, \href{mailto:wangwu@XXX.edu.cn}{wangwu},\}@XXX.edu.cn, \href{mailto:g.li@XXX.com}{g.li}@XXX.com} % 给人名附上邮箱地址
}
鼠标悬停就能显示出邮箱地址，需要用到：包\usepackage{hyperref}，若是不想显示超链接方框，可以用包\hypersetup{hidelinks}将方框隐去。
\usepackage{hyperref} %超链接
\hypersetup{hidelinks} %隐去超链接框框
写法四（IEEE模板）
\author{\IEEEauthorblockN{1\textsuperscript{st} Given Name Surname}
\IEEEauthorblockA{\textit{dept. name of organization (of Aff.)} \\
\textit{name of organization (of Aff.)}\\
City, Country \\
email address or ORCID}
\and
\IEEEauthorblockN{2\textsuperscript{nd} Given Name Surname}
\IEEEauthorblockA{\textit{dept. name of organization (of Aff.)} \\
\textit{name of organization (of Aff.)}\\
City, Country \\
email address or ORCID}
\and
\IEEEauthorblockN{3\textsuperscript{rd} Given Name Surname}
\IEEEauthorblockA{\textit{dept. name of organization (of Aff.)} \\
\textit{name of organization (of Aff.)}\\
City, Country \\
email address or ORCID}
\and
\IEEEauthorblockN{4\textsuperscript{th} Given Name Surname}
\IEEEauthorblockA{\textit{dept. name of organization (of Aff.)} \\
\textit{name of organization (of Aff.)}\\
City, Country \\
email address or ORCID}
\and
\IEEEauthorblockN{5\textsuperscript{th} Given Name Surname}
\IEEEauthorblockA{\textit{dept. name of organization (of Aff.)} \\
\textit{name of organization (of Aff.)}\\
City, Country \\
email address or ORCID}
\and
\IEEEauthorblockN{6\textsuperscript{th} Given Name Surname}
\IEEEauthorblockA{\textit{dept. name of organization (of Aff.)} \\
\textit{name of organization (of Aff.)}\\
City, Country \\
email address or ORCID}
}
写法五 (ACM模板)
顺便把ACM模板的写法也给出来
\author{San Zhang}
\affiliation{%\institution{School of Computer Science}\city{Wuhan}\country{China}}
\email{zhangsan@XXX.com}\author{Si Li}
\affiliation{%\institution{School of Computer Science}\city{Wuhan}\country{China}}
\email{lisi@XXX.edu.cn}\author{Wu Wang}
\affiliation{%\institution{Department of Computer Science and Technology}\city{Beijing}\country{China}}
\email{wangwu@XXX.edu.cn}