<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>mysqli_fetch_row</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
REL="HOME"
TITLE="PHP 手册"
HREF="index.html"><LINK
REL="UP"
TITLE="MySQLi 扩展库"
HREF="ref.mysqli.html"><LINK
REL="PREVIOUS"
TITLE="mysqli_fetch_object"
HREF="function.mysqli-fetch-object.html"><LINK
REL="NEXT"
TITLE="mysqli_fetch"
HREF="function.mysqli-fetch.html"><META
HTTP-EQUIV="Content-type"
CONTENT="text/html; charset=UTF-8"></HEAD
><BODY
CLASS="refentry"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>PHP 手册</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="function.mysqli-fetch-object.html"
ACCESSKEY="P"
>上一页</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="function.mysqli-fetch.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.mysqli-fetch-row"
></A
>mysqli_fetch_row</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN139106"
></A
><P
> (PHP 5)</P
>mysqli_fetch_row<P
> (no version information, might be only in CVS)</P
>result->fetch_row() -- Get a result row as an enumerated array</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN139110"
></A
><H2
>说明</H2
><P
>Procedural style:</P
>mixed <B
CLASS="methodname"
>mysqli_fetch_row</B
> ( mysqli_result result )<BR
></BR
><P
>Object oriented style (method):</P
>class <B
CLASS="classname"
>mysqli_result</B
> { <BR
></BR
>mixed <B
CLASS="methodname"
>fetch_row</B
> ( void )<BR
></BR
>}<P
> Fetches one row of data from the result set and returns it as an enumerated
array, where each column is stored in an array offset starting from 0 (zero).
Each subsequent call to this function will return the next row within the
result set, or <TT
CLASS="constant"
><B
>NULL</B
></TT
> if there are no more rows.
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN139129"
></A
><H2
>参数</H2
><P
> <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
> 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
></DL
></DIV
>
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN139141"
></A
><H2
>返回值</H2
><P
> <B
CLASS="function"
>mysqli_fetch_row()</B
> returns an array of strings that corresponds to the fetched row
or <TT
CLASS="constant"
><B
>NULL</B
></TT
> if there are no more rows in result set.
</P
><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="AEN139149"
></A
><H2
>范例</H2
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN139151"
></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"><?php<br />$mysqli </font><font color="#007700">= new </font><font color="#0000BB">mysqli</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br /> exit();<br />}<br /><br /></font><font color="#0000BB">$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">-></font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#0000BB">$query</font><font color="#007700">)) {<br /><br /> </font><font color="#FF8000">/* fetch object array */<br /> </font><font color="#007700">while (</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">$result</font><font color="#007700">-></font><font color="#0000BB">fetch_row</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">0</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">1</font><font color="#007700">]);<br /> }<br /><br /> </font><font color="#FF8000">/* free result set */<br /> </font><font color="#0000BB">$result</font><font color="#007700">-></font><font color="#0000BB">close</font><font color="#007700">();<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-></font><font color="#0000BB">close</font><font color="#007700">();<br /></font><font color="#0000BB">?></font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN139154"
></A
><P
><B
>例 2. Procedural style</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB"><?php<br />$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 /> </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 /> 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 /> </font><font color="#FF8000">/* fetch associative array */<br /> </font><font color="#007700">while (</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">mysqli_fetch_row</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">)) {<br /> </font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">0</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">1</font><font color="#007700">]);<br /> }<br /><br /> </font><font color="#FF8000">/* free result set */<br /> </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">?></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="AEN139159"
></A
><H2
>参见</H2
><P
> <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-object.html"
><B
CLASS="function"
>mysqli_fetch_object()</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
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="function.mysqli-fetch-object.html"
ACCESSKEY="P"
>上一页</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
ACCESSKEY="H"
>起始页</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="function.mysqli-fetch.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>mysqli_fetch_object</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ref.mysqli.html"
ACCESSKEY="U"
>上一级</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>mysqli_fetch</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>
