Sophie: php-manual-zh-5.2.4-1mdv2008.1 noarch

php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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>mysqli_connect_errno</H1
><DIV
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><A
NAME="AEN137836"
></A
><P
>    (PHP 5)</P
>mysqli_connect_errno&nbsp;--&nbsp;Returns the error code from last connect call</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN137839"
></A
><H2
>说明</H2
>int <B
CLASS="methodname"
>mysqli_connect_errno</B
> ( void  )<BR
></BR
><P
>&#13;   Returns the last error code number from the last call to 
   <A
HREF="function.mysqli-connect.html"
><B
CLASS="function"
>mysqli_connect()</B
></A
>.
  </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
    Client error message numbers are listed in the MySQL 
    <TT
CLASS="filename"
>errmsg.h</TT
> header file, server error message numbers
    are listed in <TT
CLASS="filename"
>mysqld_error.h</TT
>. In the MySQL source
    distribution you can find a complete list of error messages and error
    numbers in the file <TT
CLASS="filename"
>Docs/mysqld_error.txt</TT
>.
   </P
></BLOCKQUOTE
></DIV
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><DIV
CLASS="refsect1"
><A
NAME="AEN137852"
></A
><H2
>返回值</H2
><P
>&#13;   An error code value for the last call to <A
HREF="function.mysqli-connect.html"
><B
CLASS="function"
>mysqli_connect()</B
></A
>, if it failed.
   zero means no error occurred.
  </P
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><H2
>范例</H2
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><B
>例 1. <B
CLASS="function"
>mysqli_connect_errno()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br />$link </font><font color="#007700">= @</font><font color="#0000BB">mysqli_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"nonexisting_user"</font><font color="#007700">, </font><font color="#DD0000">""</font><font color="#007700">);<br /><br />if (!</font><font color="#0000BB">$link</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Can't connect to localhost. Errorcode: %d\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">());<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN137863"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
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><TD
><A
HREF="function.mysqli-connect.html"
><B
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>mysqli_connect()</B
></A
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><A
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><B
CLASS="function"
>mysqli_connect_error()</B
></A
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><A
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><B
CLASS="function"
>mysqli_errno()</B
></A
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>mysqli_error()</B
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