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

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

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>dbx_error</H1
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><P
>    (PHP 4 &#62;= 4.0.6, PHP 5 &#60;= 5.0.4)</P
>dbx_error&nbsp;--&nbsp;
   Report the error message of the latest function call in the module
  </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN35400"
></A
><H2
>说明</H2
>string <B
CLASS="methodname"
>dbx_error</B
> ( object link_identifier )<BR
></BR
><P
>&#13;   <B
CLASS="function"
>dbx_error()</B
> returns the last error message.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN35410"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>link_identifier</CODE
></DT
><DD
><P
>&#13;       The DBX link object returned by <A
HREF="function.dbx-connect.html"
><B
CLASS="function"
>dbx_connect()</B
></A
>
      </P
></DD
></DL
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN35420"
></A
><H2
>返回值</H2
><P
>&#13;   Returns a string containing the error message from the last function call
   of the abstracted module (e.g. mysql module). If there are multiple 
   connections in the same module, just the last error is given. If there are
   connections on different modules, the latest error is returned for the 
   module specified by the <CODE
CLASS="parameter"
>link_identifier</CODE
> parameter.
  </P
></DIV
><DIV
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><A
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></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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><P
><B
>例 1. <B
CLASS="function"
>dbx_error()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$link&nbsp;&nbsp;&nbsp;</font><font color="#007700">= </font><font color="#0000BB">dbx_connect</font><font color="#007700">(</font><font color="#0000BB">DBX_MYSQL</font><font color="#007700">, </font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"db"</font><font color="#007700">, </font><font color="#DD0000">"username"</font><font color="#007700">, </font><font color="#DD0000">"password"</font><font color="#007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;or die(</font><font color="#DD0000">"Could not connect"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">dbx_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"select id from non_existing_table"</font><font color="#007700">);<br />if (</font><font color="#0000BB">$result </font><font color="#007700">== </font><font color="#0000BB">0</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#0000BB">dbx_error</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">);<br />}<br /></font><font color="#0000BB">dbx_close</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN35431"
></A
><H2
>注释</H2
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
    Always refer to the module-specific documentation as well.
   </P
><P
>&#13;    The error message for Microsoft SQL Server is actually the result
    of the <A
HREF="function.mssql-get-last-message.html"
><B
CLASS="function"
>mssql_get_last_message()</B
></A
> function.
   </P
><P
>&#13;    The error message for Oracle (oci8) is not implemented yet.
   </P
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