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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"><html lang="en"><head><title>Winsock Programmer's FAQ: Get the Username</title><link rel="Stylesheet" type="text/css" href="../faq.css"></head><body bgcolor="#ffffee" text="#000000" link="#491e00" vlink="#7d2e01" alink="#da7417"><!-- ---- Header Bar ---- --><table border="0" width="95%" bgcolor="#006000" cellpadding="5" cellspacing="3" align="center"> <tr> <td align="left" bgcolor="#e0e0c0"> <font size="2" face=Verdana,Arial,Helvetica> <b><a href="../examples/getmac-snmp.html"><<</a></b> </font> </td> <td align="center"> <font face=Verdana,Arial,Helvetica color="#ffffee"> <p align=center class=bigger3><b> Winsock Programmer's FAQ<br> Example: How to Get the Username </b></p> </font> </td> <td align="right" bgcolor="#e0e0c0"> <font size="2" face=Verdana,Arial,Helvetica> <b><a href="../examples/get-sockets.html">>></a></b> </font> </td> </tr></table><!-- ---- Body Table ---- --><table width="95%" border="0" cellpadding="10"> <tr valign="top"> <td><p>The Win32 API has a simple function called <code>GetUserName()</code>that works under Windows 95 and Windows NT. The <code>GetUserName()</code>function is very easy to use:</p><hr noshade size=1 color=#404040><h4 class=lmargin><a href="../examples/src/getusername.cpp">getusername.cpp</a></h4><pre><font color="#444444">// Borland C++ 5.0: bcc32.cpp getusername.cpp</font><font color="#444444">// Visual C++ 5.0: cl getusername.cpp advapi32.lib </font><font color="0000ff"><strong>#include <font color="#008000"><iostream.h></font></strong></font><font color="0000ff"><strong>#include <font color="#008000"><windows.h></font></strong></font><strong>int</strong> <font color="#2040a0">main</font><font color="4444FF">(</font><font color="4444FF">)</font><font color="4444FF"><strong>{</strong></font> <strong>char</strong> <font color="#2040a0">acUserName</font><font color="4444FF">[</font><font color="#FF0000">100</font><font color="4444FF">]</font><font color="4444FF">;</font> <font color="#2040a0">DWORD</font> <font color="#2040a0">nUserName</font> <font color="4444FF">=</font> <strong>sizeof</strong><font color="4444FF">(</font><font color="#2040a0">acUserName</font><font color="4444FF">)</font><font color="4444FF">;</font> <strong>if</strong> <font color="4444FF">(</font><font color="#2040a0">GetUserName</font><font color="4444FF">(</font><font color="#2040a0">acUserName</font>, <font color="4444FF">&</font><font color="#2040a0">nUserName</font><font color="4444FF">)</font> <font color="4444FF">=</font><font color="4444FF">=</font> <font color="#FF0000">0</font><font color="4444FF">)</font> <font color="4444FF"><strong>{</strong></font> <font color="#2040a0">cerr</font> <font color="4444FF"><</font><font color="4444FF"><</font> <font color="#008000">"Failed to lookup user name, error code "</font> <font color="4444FF"><</font><font color="4444FF"><</font> <font color="#2040a0">GetLastError</font><font color="4444FF">(</font><font color="4444FF">)</font> <font color="4444FF"><</font><font color="4444FF"><</font> <font color="#008000">"."</font> <font color="4444FF"><</font><font color="4444FF"><</font> <font color="#2040a0">endl</font><font color="4444FF">;</font> <font color="4444FF"><strong>}</strong></font> <font color="#2040a0">cout</font> <font color="4444FF"><</font><font color="4444FF"><</font> <font color="#008000">"User name is "</font> <font color="4444FF"><</font><font color="4444FF"><</font> <font color="#2040a0">acUserName</font> <font color="4444FF"><</font><font color="4444FF"><</font> <font color="#008000">"."</font> <font color="4444FF"><</font><font color="4444FF"><</font> <font color="#2040a0">endl</font><font color="4444FF">;</font> <strong>return</strong> <font color="#FF0000">0</font><font color="4444FF">;</font><font color="4444FF"><strong>}</strong></font></pre> </td> </tr></table><!-- ---- Document Footer ---- --><hr noshade size=1 color=#404040><table cellpadding=5 cellspacing=0 border=0 width=95% align=center> <tr> <td align=left> <a href="../examples/getmac-snmp.html"><< Get MAC Address</a> </td> <td align=right> <a href="../examples/get-sockets.html">Maximum Sockets Tester >></a> </td> </tr> <tr> <td align=left> <i>Last modified on 29 April 2000 at 15:52 UTC-7</i> </td> <td align=right> <font size=-1>Please send corrections to <a href="mailto:tangent@cyberport.com">tangent@cyberport.com</a>.</font> </td> </tr> </table> <table cellpadding=5 cellspacing=0 border=0 width=95% align=center> <tr> <td align=left width=33%> <font size=-1> <a href="../index.html"><b><</b> Go to the main FAQ page</a> </font> </td> <td width=33%> <font size=-1> <center> <a href="http://www.cyberport.com/~tangent/programming"><b><<</b> Go to my Programming pages</a> </center> </font> </td> <td align=right width=33%> <font size=-1> <a href="http://www.cyberport.com/~tangent/"><b><<<</b> Go to my Home Page</a> </font> </td> </tr> </table> </body></html>⌨️ 快捷键说明
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