<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>pg_delete</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_dbname"
HREF="function.pg-dbname.html"><LINK
REL="NEXT"
TITLE="pg_end_copy"
HREF="function.pg-end-copy.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-dbname.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-end-copy.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.pg-delete"
></A
>pg_delete</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN184899"
></A
><P
> (PHP 4 >= 4.3.0, PHP 5)</P
>pg_delete --
删除记录
</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN184902"
></A
><H2
>说明</H2
>mixed <B
CLASS="methodname"
>pg_delete</B
> ( resource connection, string table_name, array assoc_array [, int options] )<BR
></BR
><P
> <B
CLASS="function"
>pg_delete()</B
> 删除符合条件的记录，条件在 <TT
CLASS="literal"
>assoc_array</TT
> 中以 <TT
CLASS="literal"
>field=>value</TT
> 格式给出。如果指定了 <TT
CLASS="literal"
>option</TT
>，则 <A
HREF="function.pg-convert.html"
><B
CLASS="function"
>pg_convert()</B
></A
> 按照该选项作用于 <TT
CLASS="literal"
>assoc_array</TT
> 之上。
</P
><P
> <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN184927"
></A
><P
><B
>例 1. <B
CLASS="function"
>pg_delete()</B
> 例子</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB"><?php<br /> $db </font><font color="#007700">= </font><font color="#0000BB">pg_connect</font><font color="#007700">(</font><font color="#DD0000">'dbname=foo'</font><font color="#007700">);<br /> </font><font color="#FF8000">// This is safe, since $_POST is converted automatically<br /> </font><font color="#0000BB">$res </font><font color="#007700">= </font><font color="#0000BB">pg_delete</font><font color="#007700">(</font><font color="#0000BB">$db</font><font color="#007700">, </font><font color="#DD0000">'post_log'</font><font color="#007700">, </font><font color="#0000BB">$_POST</font><font color="#007700">);<br /> if (</font><font color="#0000BB">$res</font><font color="#007700">) {<br /> echo </font><font color="#DD0000">"POST data is deleted: $res</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br /> }<br /> else {<br /> echo </font><font color="#DD0000">"User must have sent wrong inputs\n"</font><font color="#007700">;<br /> }<br /></font><font color="#0000BB">?></font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
</P
><DIV
CLASS="warning"
><P
></P
><TABLE
CLASS="warning"
BORDER="1"
WIDTH="100%"
><TR
><TD
ALIGN="CENTER"
><B
>警告</B
></TD
></TR
><TR
><TD
ALIGN="LEFT"
><P
>本函数是<SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>实验性</I
></SPAN
>的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随
PHP 以后的发布而改变。使用本函数风险自担。</P
></TD
></TR
></TABLE
></DIV
><P
> 参见 <A
HREF="function.pg-convert.html"
><B
CLASS="function"
>pg_convert()</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-dbname.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-end-copy.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>pg_dbname</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_end_copy</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>
