<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >db2_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="IBM DB2, Cloudscape and Apache Derby Functions" HREF="ref.ibm-db2.html"><LINK REL="PREVIOUS" TITLE="db2_fetch_both" HREF="function.db2-fetch-both.html"><LINK REL="NEXT" TITLE="db2_fetch_row" HREF="function.db2-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.db2-fetch-both.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.db2-fetch-row.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.db2-fetch-object" ></A >db2_fetch_object</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN80924" ></A ><P > (PECL)</P >db2_fetch_object -- Returns an object with properties representing columns in the fetched row </DIV ><DIV CLASS="refsect1" ><A NAME="AEN80927" ></A ><H2 >说明</H2 >object <B CLASS="methodname" >db2_fetch_object</B > ( resource stmt [, int row_number] )<BR ></BR ><P > Returns an object in which each property represents a column returned in the row fetched from a result set. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN80939" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >stmt</CODE ></DT ><DD ><P > A valid <TT CLASS="literal" >stmt</TT > resource containing a result set. </P ></DD ><DT ><CODE CLASS="parameter" >row_number</CODE ></DT ><DD ><P > Requests a specific 1-indexed row from the result set. Passing this parameter results in a PHP warning if the result set uses a forward-only cursor. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN80954" ></A ><H2 >返回值</H2 ><P > Returns an object representing a single row in the result set. The properties of the object map to the names of the columns in the result set. </P ><P > The IBM DB2, Cloudscape, and Apache Derby database servers typically fold column names to upper-case, so the object properties will reflect that case. </P ><P > If your SELECT statement calls a scalar function to modify the value of a column, the database servers return the column number as the name of the column in the result set. If you prefer a more descriptive column name and object property, you can use the AS clause to assign a name to the column in the result set. </P ><P > Returns <TT CLASS="constant" ><B >FALSE</B ></TT > if no row was retrieved. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN80961" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN80964" ></A ><P ><B >例 1. A <B CLASS="function" >db2_fetch_object()</B > example</B ></P ><P > The following example issues a SELECT statement with a scalar function, RTRIM, that removes whitespace from the end of the column. Rather than creating an object with the properties "BREED" and "2", we use the AS clause in the SELECT statement to assign the name "name" to the modified column. The database server folds the column names to upper-case, resulting in an object with the properties "BREED" and "NAME". </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$conn </font><font color="#007700">= </font><font color="#0000BB">db2_connect</font><font color="#007700">(</font><font color="#0000BB">$database</font><font color="#007700">, </font><font color="#0000BB">$user</font><font color="#007700">, </font><font color="#0000BB">$password</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$sql </font><font color="#007700">= </font><font color="#DD0000">"SELECT breed, RTRIM(name) AS name<br /> FROM animals<br /> WHERE id = ?"</font><font color="#007700">;<br /><br />if (</font><font color="#0000BB">$conn</font><font color="#007700">) {<br /> </font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">db2_prepare</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">, </font><font color="#0000BB">$sql</font><font color="#007700">);<br /> </font><font color="#0000BB">db2_execute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">, array(</font><font color="#0000BB">0</font><font color="#007700">));<br /><br /> while (</font><font color="#0000BB">$pet </font><font color="#007700">= </font><font color="#0000BB">db2_fetch_object</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">)) {<br /> echo </font><font color="#DD0000">"Come here, </font><font color="#007700">{</font><font color="#DD0000">$pet</font><font color="#007700">-></font><font color="#DD0000">NAME</font><font color="#007700">}</font><font color="#DD0000">, my little </font><font color="#007700">{</font><font color="#DD0000">$pet</font><font color="#007700">-></font><font color="#DD0000">BREED</font><font color="#007700">}</font><font color="#DD0000">!"</font><font color="#007700">;<br /> }<br /> </font><font color="#0000BB">db2_close</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">);<br />}<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >上例将输出:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >Come here, Pook, my little cat!</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN80971" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.db2-fetch-array.html" ><B CLASS="function" >db2_fetch_array()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.db2-fetch-assoc.html" ><B CLASS="function" >db2_fetch_assoc()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.db2-fetch-both.html" ><B CLASS="function" >db2_fetch_both()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.db2-fetch-row.html" ><B CLASS="function" >db2_fetch_row()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.db2-result.html" ><B CLASS="function" >db2_result()</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.db2-fetch-both.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.db2-fetch-row.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >db2_fetch_both</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.ibm-db2.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >db2_fetch_row</TD ></TR ></TABLE ></DIV ></BODY ></HTML >