subject_34272.htm

一些关于vc的问答

<p>
序号：34272 发表者：n 发表日期：2003-03-28 10:24:05
<br>主题：一个关于string的控制台程序的问题
<br>内容：#include &lt;iostream.h&gt;<BR>#include &lt;string&gt;<BR><BR>void main()<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;string strName;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;strName = "ni hao";<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cout &lt;&lt; strName &lt;&lt; endl;<BR>}<BR>为什么编译出错啊，换成<BR>#include &lt;Afx.h&gt;<BR>#include &lt;iostream.h&gt;<BR>#include &lt;string&gt;<BR><BR>void main()<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;CString strName;<BR>&nbsp;&nbsp;&nbsp;&nbsp;strName = "ni hao";<BR>&nbsp;&nbsp;&nbsp;&nbsp;cout &lt;&lt; strName &lt;&lt; endl;<BR>}<BR>可以编译，但不能生成.exe<BR>为什么啊，还要引用lib吗？<BR>关于string，vc里的是不是有什么额外的规定解释什么的啊？<BR>CString和string是怎么回事啊？
<br><a href="javascript:history.go(-1)">返回上页</a><br><a href=http://www.copathway.com/cndevforum/>访问论坛</a></p>
<hr size=1>
<blockquote><p>
回复者：steele 回复日期：2003-03-28 10:40:33
<br>内容：用char* string="ni hao";<BR>&nbsp;&nbsp;cout&lt;&lt;string&lt;&lt;endl;换掉下面的代码<BR>&nbsp;&nbsp;string strName;<BR>&nbsp;&nbsp;strName = "ni hao";<BR>&nbsp;&nbsp;cout &lt;&lt; strName &lt;&lt; endl;<BR>
<br>
<a href="javascript:history.go(-1)">返回上页</a><br><a href=http://www.copathway.com/cndevforum/>访问论坛</a></p></blockquote>
<hr size=1>
<blockquote><p>
回复者：n 回复日期：2003-04-09 06:31:53
<br>内容：你那里面的string和我说的string不是一回事吧
<br>
<a href="javascript:history.go(-1)">返回上页</a><br><a href=http://www.copathway.com/cndevforum/>访问论坛</a></p></blockquote>
<hr size=1>
<blockquote><p>
回复者：neilgan 回复日期：2003-04-09 09:22:05
<br>内容：For the first segment of the source code: add "using namespace std;" after you include &lt;string&gt;, but I don't know why cout doesn't support string, I have no experience using "string". If you know how to let cout support string, please let me know.<BR><BR>For the second one, go to project-&gt;setting-&gt;general, set "using MFC as a shared dll" or "using MFC as a static lib".<BR><BR>string is a feature of standard C++, CString is a part of MFC. So you need to add MFC support in your project for the second source code.<BR>
<br>
<a href="javascript:history.go(-1)">返回上页</a><br><a href=http://www.copathway.com/cndevforum/>访问论坛</a></p></blockquote>
<hr size=1>
<blockquote><p>
<font color=red>答案被接受</font><br>回复者：neilgan 回复日期：2003-04-10 22:35:28
<br>内容：#include &lt;iostream&gt;<BR>#include &lt;string&gt;<BR><BR>using namespace std;<BR><BR>void main()<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;string msg="Hello, World!";<BR>&nbsp;&nbsp;&nbsp;&nbsp;cout &lt;&lt; msg &lt;&lt; endl;<BR>}<BR>
<br>
<a href="javascript:history.go(-1)">返回上页</a><br><a href=http://www.copathway.com/cndevforum/>访问论坛</a></p></blockquote>
<hr size=1>
<blockquote><p>
回复者：lijianxu 回复日期：2003-04-11 09:22:20
<br>内容：#include &lt;iostream.h&gt;<BR>#include &lt;string&gt;<BR>using namespace std;<BR>void main()<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;char *strName = "ni hao";<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cout&lt;&lt;strName&lt;&lt;endl;<BR>}<BR>就行了
<br>
<a href="javascript:history.go(-1)">返回上页</a><br><a href=http://www.copathway.com/cndevforum/>访问论坛</a></p></blockquote>