<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >mysql_fetch_object</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="MySQL 函数" HREF="ref.mysql.html"><LINK REL="PREVIOUS" TITLE="mysql_fetch_lengths" HREF="function.mysql-fetch-lengths.html"><LINK REL="NEXT" TITLE="mysql_fetch_row" HREF="function.mysql-fetch-row.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.mysql-fetch-lengths.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.mysql-fetch-row.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mysql-fetch-object" ></A >mysql_fetch_object</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN135607" ></A ><P > (PHP 3, PHP 4, PHP 5)</P >mysql_fetch_object -- 从结果集中取得一行作为对象</DIV ><DIV CLASS="refsect1" ><A NAME="AEN135610" ></A ><H2 >说明</H2 >object <B CLASS="methodname" >mysql_fetch_object</B > ( resource result )<BR ></BR ><P > 返回根据所取得的行生成的对象,如果没有更多行则返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 </P ><P > <B CLASS="function" >mysql_fetch_object()</B > 和 <A HREF="function.mysql-fetch-array.html" ><B CLASS="function" >mysql_fetch_array()</B ></A > 类似,只有一点区别 - 返回一个对象而不是数组。间接地也意味着只能通过字段名来访问数组,而不是偏移量(数字是合法的属性名)。 </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 ><P > <TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br /></font><font color="#FF8000">/* this is valid */<br /></font><font color="#007700">echo </font><font color="#0000BB">$row</font><font color="#007700">-></font><font color="#0000BB">field</font><font color="#007700">;<br /></font><font color="#FF8000">/* this is invalid */<br /></font><font color="#007700">echo </font><font color="#0000BB">$row</font><font color="#007700">-></font><font color="#0000BB">0</font><font color="#007700">;<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE > </P ><P > 速度上,本函数和 <A HREF="function.mysql-fetch-array.html" ><B CLASS="function" >mysql_fetch_array()</B ></A > 一样,也几乎和 <A HREF="function.mysql-fetch-row.html" ><B CLASS="function" >mysql_fetch_row()</B ></A > 一样快(差别很不明显)。 <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN135631" ></A ><P ><B >例 1. <B CLASS="function" >mysql_fetch_object()</B > 例子</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />mysql_connect</font><font color="#007700">(</font><font color="#DD0000">"hostname"</font><font color="#007700">, </font><font color="#DD0000">"user"</font><font color="#007700">, </font><font color="#DD0000">"password"</font><font color="#007700">);<br /></font><font color="#0000BB">mysql_select_db</font><font color="#007700">(</font><font color="#DD0000">"mydb"</font><font color="#007700">);<br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">mysql_query</font><font color="#007700">(</font><font color="#DD0000">"select * from mytable"</font><font color="#007700">);<br />while (</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">mysql_fetch_object</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">)) {<br /> echo </font><font color="#0000BB">$row</font><font color="#007700">-></font><font color="#0000BB">user_id</font><font color="#007700">;<br /> echo </font><font color="#0000BB">$row</font><font color="#007700">-></font><font color="#0000BB">fullname</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">mysql_free_result</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > 参见 <A HREF="function.mysql-fetch-array.html" ><B CLASS="function" >mysql_fetch_array()</B ></A >,<A HREF="function.mysql-fetch-assoc.html" ><B CLASS="function" >mysql_fetch_assoc()</B ></A > 和 <A HREF="function.mysql-fetch-row.html" ><B CLASS="function" >mysql_fetch_row()</B ></A >。 </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.mysql-fetch-lengths.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.mysql-fetch-row.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mysql_fetch_lengths</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.mysql.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >mysql_fetch_row</TD ></TR ></TABLE ></DIV ></BODY ></HTML >