<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >pg_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="PostgreSQL 数据库函数" HREF="ref.pgsql.html"><LINK REL="PREVIOUS" TITLE="pg_fetch_result" HREF="function.pg-fetch-result.html"><LINK REL="NEXT" TITLE="pg_field_is_null" HREF="function.pg-field-is-null.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.pg-fetch-result.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.pg-field-is-null.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.pg-fetch-row" ></A >pg_fetch_row</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN185336" ></A ><P > (PHP 3 >= 3.0.1, PHP 4, PHP 5)</P >pg_fetch_row -- 提取一行作为枚举数组</DIV ><DIV CLASS="refsect1" ><A NAME="AEN185339" ></A ><H2 >说明</H2 >array <B CLASS="methodname" >pg_fetch_row</B > ( resource result, int row )<BR ></BR ><P > <B CLASS="function" >pg_fetch_row()</B > 根据指定的 <CODE CLASS="parameter" >result</CODE > 资源提取一行数据(记录)作为数组返回。每个得到的列依次存放在数组中,从偏移量 0 开始。 </P ><P > 返回的数组和提取的行相一致。如果没有更多行可提取,则返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN185356" ></A ><P ><B >例 1. <B CLASS="function" >pg_fetch_row()</B > 例子</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$conn </font><font color="#007700">= </font><font color="#0000BB">pg_pconnect</font><font color="#007700">(</font><font color="#DD0000">"dbname=publisher"</font><font color="#007700">);<br />if (!</font><font color="#0000BB">$conn</font><font color="#007700">) {<br /> echo </font><font color="#DD0000">"An error occured.\n"</font><font color="#007700">;<br /> exit;<br />}<br /><br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">pg_query</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">, </font><font color="#DD0000">"SELECT * FROM authors"</font><font color="#007700">);<br />if (!</font><font color="#0000BB">$result</font><font color="#007700">) {<br /> echo </font><font color="#DD0000">"An error occured.\n"</font><font color="#007700">;<br /> exit;<br />}<br /><br />while (</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">pg_fetch_row</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">, </font><font color="#0000BB">$i</font><font color="#007700">)) {<br /> for (</font><font color="#0000BB">$j</font><font color="#007700">=</font><font color="#0000BB">0</font><font color="#007700">; </font><font color="#0000BB">$j </font><font color="#007700">< </font><font color="#0000BB">count</font><font color="#007700">(</font><font color="#0000BB">$row</font><font color="#007700">); </font><font color="#0000BB">$j</font><font color="#007700">++) {<br /> echo </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">$j</font><font color="#007700">] . </font><font color="#DD0000">"&nbsp;"</font><font color="#007700">;<br /> }<br /><br /> echo </font><font color="#DD0000">"<br />\n"</font><font color="#007700">;<br /><br />}<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B > 从 4.1.0 开始,<CODE CLASS="parameter" >row</CODE > 成为可选参数。每次调用 <B CLASS="function" >pg_fetch_row()</B >,内部的行计数器都会加一。 </P ></BLOCKQUOTE ></DIV ><P > 参见 <A HREF="function.pg-query.html" ><B CLASS="function" >pg_query()</B ></A >,<A HREF="function.pg-fetch-array.html" ><B CLASS="function" >pg_fetch_array()</B ></A >,<A HREF="function.pg-fetch-object.html" ><B CLASS="function" >pg_fetch_object()</B ></A > 和 <A HREF="function.pg-fetch-result.html" ><B CLASS="function" >pg_fetch_result()</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.pg-fetch-result.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.pg-field-is-null.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >pg_fetch_result</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.pgsql.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >pg_field_is_null</TD ></TR ></TABLE ></DIV ></BODY ></HTML >