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

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><H1
><A
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>mysqli_fetch_object</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN139002"
></A
><P
>    (PHP 5)</P
>mysqli_fetch_object<P
>    (no version information, might be only in CVS)</P
>result-&#62;fetch_object()&nbsp;--&nbsp;Returns the current row of a result set as an object</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN139006"
></A
><H2
>说明</H2
><P
>Procedural style:</P
>object <B
CLASS="methodname"
>mysqli_fetch_object</B
> ( mysqli_result result [, string class_name [, array params]] )<BR
></BR
><P
>Object oriented style (method):</P
>class <B
CLASS="classname"
>mysqli_result</B
> { <BR
></BR
>object <B
CLASS="methodname"
>fetch_object</B
> ( [string class_name [, array params]] )<BR
></BR
>}<P
>&#13;   The <B
CLASS="function"
>mysqli_fetch_object()</B
> will return the current row
   result set as an object where the attributes of the object represent the
   names of the fields found within the result set.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN139036"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>&#13;result</CODE
></DT
><DD
><P
>Procedural style only: A result set
identifier returned by <A
HREF="function.mysqli-query.html"
><B
CLASS="function"
>mysqli_query()</B
></A
>, <A
HREF="function.mysqli-store-result.html"
><B
CLASS="function"
>mysqli_store_result()</B
></A
>
or <A
HREF="function.mysqli-use-result.html"
><B
CLASS="function"
>mysqli_use_result()</B
></A
>.</P
></DD
><DT
><CODE
CLASS="parameter"
>class_name</CODE
></DT
><DD
><P
>&#13;      </P
></DD
><DT
><CODE
CLASS="parameter"
>params</CODE
></DT
><DD
><P
>&#13;      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN139058"
></A
><H2
>返回值</H2
><P
>&#13;   Returns an object with string properties that corresponds to the fetched
   row or <TT
CLASS="constant"
><B
>NULL</B
></TT
> if there are no more rows in resultset.
  </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>本函数返回的字段名是<SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>区分大小写</I
></SPAN
>的。</P
></BLOCKQUOTE
></DIV
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>本函数对
PHP <TT
CLASS="constant"
><B
>NULL</B
></TT
> 值设定 NULL 字段。</P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN139068"
></A
><H2
>更新日志</H2
><P
>&#13;   <DIV
CLASS="informaltable"
><P
></P
><A
NAME="AEN139071"
></A
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><THEAD
><TR
><TH
>版本</TH
><TH
>说明</TH
></TR
></THEAD
><TBODY
><TR
><TD
>5.0.0</TD
><TD
>&#13;        Added the ability to return as a different object.
       </TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN139081"
></A
><H2
>范例</H2
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN139083"
></A
><P
><B
>例 1. Object oriented style</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$mysqli </font><font color="#007700">= new </font><font color="#0000BB">mysqli</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br />&nbsp;&nbsp;&nbsp;&nbsp;exit();<br />}<br /> <br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT Name, CountryCode FROM City ORDER by ID DESC LIMIT 50,5"</font><font color="#007700">;<br /><br />if (</font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#0000BB">$query</font><font color="#007700">)) {<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* fetch object array */<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#007700">while (</font><font color="#0000BB">$obj </font><font color="#007700">= </font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">fetch_object</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$obj</font><font color="#007700">-&gt;</font><font color="#0000BB">Name</font><font color="#007700">, </font><font color="#0000BB">$obj</font><font color="#007700">-&gt;</font><font color="#0000BB">CountryCode</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* free result set */<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
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BORDER="0"
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN139086"
></A
><P
><B
>例 2. Procedural style</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$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">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br />&nbsp;&nbsp;&nbsp;&nbsp;exit();<br />}<br /><br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT Name, CountryCode FROM City ORDER by ID DESC LIMIT 50,5"</font><font color="#007700">;<br /><br />if (</font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#0000BB">$query</font><font color="#007700">)) {<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* fetch associative array */<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#007700">while (</font><font color="#0000BB">$obj </font><font color="#007700">= </font><font color="#0000BB">mysqli_fetch_object</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$obj</font><font color="#007700">-&gt;</font><font color="#0000BB">Name</font><font color="#007700">, </font><font color="#0000BB">$obj</font><font color="#007700">-&gt;</font><font color="#0000BB">CountryCode</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* free result set */<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">mysqli_free_result</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">mysqli_close</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
><P
>上例将输出：</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="screen"
>Pueblo (USA)
Arvada (USA)
Cape Coral (USA)
Green Bay (USA)
Santa Clara (USA)</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN139091"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><A
HREF="function.mysqli-fetch-array.html"
><B
CLASS="function"
>mysqli_fetch_array()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.mysqli-fetch-assoc.html"
><B
CLASS="function"
>mysqli_fetch_assoc()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.mysqli-fetch-row.html"
><B
CLASS="function"
>mysqli_fetch_row()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.mysqli-query.html"
><B
CLASS="function"
>mysqli_query()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.mysqli-data-seek.html"
><B
CLASS="function"
>mysqli_data_seek()</B
></A
></TD
></TR
></TBODY
></TABLE
><P
></P
>
  </P
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VALIGN="top"
><A
HREF="ref.mysqli.html"
ACCESSKEY="U"
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