<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ovrimos_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="Ovrimos SQL Functions" HREF="ref.ovrimos.html"><LINK REL="PREVIOUS" TITLE="ovrimos_fetch_into" HREF="function.ovrimos-fetch-into.html"><LINK REL="NEXT" TITLE="ovrimos_field_len" HREF="function.ovrimos-field-len.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.ovrimos-fetch-into.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.ovrimos-field-len.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ovrimos-fetch-row" ></A >ovrimos_fetch_row</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN166391" ></A ><P > (PHP 4 >= 4.0.3, PHP 5)</P >ovrimos_fetch_row -- Fetches a row from the result set</DIV ><DIV CLASS="refsect1" ><A NAME="AEN166394" ></A ><H2 >说明</H2 >bool <B CLASS="methodname" >ovrimos_fetch_row</B > ( int result_id [, int how [, int row_number]] )<BR ></BR ><P > Fetches a row from the result set. Column values should be retrieved with other calls. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN166409" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >result_id</CODE ></DT ><DD ><P > A result identifier, returned by <A HREF="function.ovrimos-execute.html" ><B CLASS="function" >ovrimos_execute()</B ></A > or <A HREF="function.ovrimos-exec.html" ><B CLASS="function" >ovrimos_exec()</B ></A >. </P ></DD ><DT ><CODE CLASS="parameter" >how</CODE ></DT ><DD ><P > Determines how the rows are fetched. This can be one of the following strings (case is not significant): <DIV CLASS="informaltable" ><P ></P ><A NAME="AEN166425" ></A ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><THEAD ><TR ><TH >Option</TH ><TH >Notes</TH ></TR ></THEAD ><TBODY ><TR ><TD ><TT CLASS="literal" >Next</TT ></TD ><TD > Forward direction from current position. This is the default value. </TD ></TR ><TR ><TD ><TT CLASS="literal" >Prev</TT ></TD ><TD > Backward direction from current position. </TD ></TR ><TR ><TD ><TT CLASS="literal" >First</TT ></TD ><TD > Forward direction from the start. </TD ></TR ><TR ><TD ><TT CLASS="literal" >Last</TT ></TD ><TD > Backward direction from the end. </TD ></TR ><TR ><TD ><TT CLASS="literal" >Absolute</TT ></TD ><TD > Absolute position from the start. Requires <CODE CLASS="parameter" >rownumber</CODE >. </TD ></TR ></TBODY ></TABLE ><P ></P ></DIV > </P ></DD ><DT ><CODE CLASS="parameter" >rownumber</CODE ></DT ><DD ><P > The row number, first one is 0. Only needed when <CODE CLASS="parameter" >how</CODE > is set to <TT CLASS="literal" >Absolute</TT >. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN166460" ></A ><H2 >返回值</H2 ><P > 如果成功则返回 <TT CLASS="constant" ><B >TRUE</B ></TT >,失败则返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN166465" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN166468" ></A ><P ><B >例 1. A fetch row example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$conn </font><font color="#007700">= </font><font color="#0000BB">ovrimos_connect</font><font color="#007700">(</font><font color="#DD0000">"remote.host"</font><font color="#007700">, </font><font color="#DD0000">"8001"</font><font color="#007700">, </font><font color="#DD0000">"admin"</font><font color="#007700">, </font><font color="#DD0000">"password"</font><font color="#007700">);<br />if (</font><font color="#0000BB">$conn </font><font color="#007700">!= </font><font color="#0000BB">0</font><font color="#007700">) {<br /> echo </font><font color="#DD0000">"Connection ok!"</font><font color="#007700">;<br /> </font><font color="#0000BB">$res</font><font color="#007700">=</font><font color="#0000BB">ovrimos_exec</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">, </font><font color="#DD0000">"select table_id, table_name from sys.tables"</font><font color="#007700">);<br /> if (</font><font color="#0000BB">$res </font><font color="#007700">!= </font><font color="#0000BB">0</font><font color="#007700">) {<br /> echo </font><font color="#DD0000">"Statement ok!"</font><font color="#007700">;<br /> if (</font><font color="#0000BB">ovrimos_fetch_row</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">, </font><font color="#DD0000">"First"</font><font color="#007700">)) {<br /> </font><font color="#0000BB">$table_id </font><font color="#007700">= </font><font color="#0000BB">ovrimos_result</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">);<br /> </font><font color="#0000BB">$table_name </font><font color="#007700">= </font><font color="#0000BB">ovrimos_result</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">);<br /> echo </font><font color="#DD0000">"table_id=" </font><font color="#007700">. </font><font color="#0000BB">$table_id </font><font color="#007700">. </font><font color="#DD0000">", table_name=" </font><font color="#007700">. </font><font color="#0000BB">$table_name </font><font color="#007700">. </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /> if (</font><font color="#0000BB">ovrimos_fetch_row</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">, </font><font color="#DD0000">"Next"</font><font color="#007700">)) {<br /> </font><font color="#0000BB">$table_id </font><font color="#007700">= </font><font color="#0000BB">ovrimos_result</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">, </font><font color="#DD0000">"table_id"</font><font color="#007700">);<br /> </font><font color="#0000BB">$table_name </font><font color="#007700">= </font><font color="#0000BB">ovrimos_result</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">, </font><font color="#DD0000">"table_name"</font><font color="#007700">);<br /> echo </font><font color="#DD0000">"table_id=" </font><font color="#007700">. </font><font color="#0000BB">$table_id </font><font color="#007700">. </font><font color="#DD0000">", table_name=" </font><font color="#007700">. </font><font color="#0000BB">$table_name </font><font color="#007700">. </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /> } else {<br /> echo </font><font color="#DD0000">"Next: error\n"</font><font color="#007700">;<br /> }<br /> } else {<br /> echo </font><font color="#DD0000">"First: error\n"</font><font color="#007700">;<br /> }<br /> </font><font color="#0000BB">ovrimos_free_result</font><font color="#007700">(</font><font color="#0000BB">$res</font><font color="#007700">);<br /> }<br /> </font><font color="#0000BB">ovrimos_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 ></DIV ></TD ></TR ></TABLE > This will fetch a row and print the result. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN166471" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.ovrimos-fetch-into.html" ><B CLASS="function" >ovrimos_fetch_into()</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.ovrimos-fetch-into.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.ovrimos-field-len.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ovrimos_fetch_into</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.ovrimos.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ovrimos_field_len</TD ></TR ></TABLE ></DIV ></BODY ></HTML >