<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >odbc_result</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="ODBC Functions (Unified)" HREF="ref.uodbc.html"><LINK REL="PREVIOUS" TITLE="odbc_result_all" HREF="function.odbc-result-all.html"><LINK REL="NEXT" TITLE="odbc_rollback" HREF="function.odbc-rollback.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.odbc-result-all.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.odbc-rollback.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.odbc-result" ></A >odbc_result</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN161503" ></A ><P > (PHP 3 >= 3.0.6, PHP 4, PHP 5)</P >odbc_result -- Get result data</DIV ><DIV CLASS="refsect1" ><A NAME="AEN161506" ></A ><H2 >Description</H2 >mixed <B CLASS="methodname" >odbc_result</B > ( resource result_id, mixed field )<BR ></BR ><P > Returns the string contents of the field, <TT CLASS="constant" ><B >FALSE</B ></TT > on error, <TT CLASS="constant" ><B >NULL</B ></TT > for NULL data, or <TT CLASS="constant" ><B >TRUE</B ></TT > for binary data. </P ><P > <CODE CLASS="parameter" >field</CODE > can either be an integer containing the column number of the field you want; or it can be a string containing the name of the field. For example: <DIV CLASS="informalexample" ><P ></P ><A NAME="AEN161523" ></A ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$item_3 </font><font color="#007700">= </font><font color="#0000BB">odbc_result</font><font color="#007700">(</font><font color="#0000BB">$Query_ID</font><font color="#007700">, </font><font color="#0000BB">3</font><font color="#007700">);<br /></font><font color="#0000BB">$item_val </font><font color="#007700">= </font><font color="#0000BB">odbc_result</font><font color="#007700">(</font><font color="#0000BB">$Query_ID</font><font color="#007700">, </font><font color="#DD0000">"val"</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P ></P ></DIV > </P ><P > The first call to <B CLASS="function" >odbc_result()</B > returns the value of the third field in the current record of the query result. The second function call to <B CLASS="function" >odbc_result()</B > returns the value of the field whose field name is "val" in the current record of the query result. An error occurs if a column number parameter for a field is less than one or exceeds the number of columns (or fields) in the current record. Similarly, an error occurs if a field with a name that is not one of the fieldnames of the table(s) that is(are) being queried. </P ><P > Field indices start from 1. Regarding the way binary or long column data is returned refer to <A HREF="function.odbc-binmode.html" ><B CLASS="function" >odbc_binmode()</B ></A > and <A HREF="function.odbc-longreadlen.html" ><B CLASS="function" >odbc_longreadlen()</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.odbc-result-all.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.odbc-rollback.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >odbc_result_all</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.uodbc.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >odbc_rollback</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
