<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >mysqli_stmt_bind_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="MySQLi 扩展库" HREF="ref.mysqli.html"><LINK REL="PREVIOUS" TITLE="mysqli_stmt_bind_param" HREF="function.mysqli-stmt-bind-param.html"><LINK REL="NEXT" TITLE="mysqli_stmt_close" HREF="function.mysqli-stmt-close.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.mysqli-stmt-bind-param.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.mysqli-stmt-close.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mysqli-stmt-bind-result" ></A >mysqli_stmt_bind_result</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN141913" ></A ><P > (PHP 5)</P >mysqli_stmt_bind_result<P > (no version information, might be only in CVS)</P >stmt->bind_result() -- Binds variables to a prepared statement for result storage</DIV ><DIV CLASS="refsect1" ><A NAME="AEN141917" ></A ><H2 >说明</H2 ><P >Procedural style:</P >bool <B CLASS="methodname" >mysqli_stmt_bind_result</B > ( mysqli_stmt stmt, mixed &var1 [, mixed &...] )<BR ></BR ><P >Object oriented style (method):</P >class <B CLASS="classname" >mysqli_stmt</B > { <BR ></BR >bool <B CLASS="methodname" >bind_result</B > ( mixed &var1 [, mixed &...] )<BR ></BR >}<P > Binds columns in the result set to variables. </P ><P > When <A HREF="function.mysqli-stmt-fetch.html" ><B CLASS="function" >mysqli_stmt_fetch()</B ></A > is called to fetch data, the MySQL client/server protocol places the data for the bound columns into the specified variables <CODE CLASS="parameter" >var1, ...</CODE >. </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B > Note that all columns must be bound after <A HREF="function.mysqli-stmt-execute.html" ><B CLASS="function" >mysqli_stmt_execute()</B ></A > and prior to calling <A HREF="function.mysqli-stmt-fetch.html" ><B CLASS="function" >mysqli_stmt_fetch()</B ></A >. Depending on column types bound variables can silently change to the corresponding PHP type. </P ><P > A column can be bound or rebound at any time, even after a result set has been partially retrieved. The new binding takes effect the next time <A HREF="function.mysqli-stmt-fetch.html" ><B CLASS="function" >mysqli_stmt_fetch()</B ></A > is called. </P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN141955" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" > stmt</CODE ></DT ><DD ><P >Procedural style only: A statement identifier returned by <A HREF="function.mysqli-stmt-init.html" ><B CLASS="function" >mysqli_stmt_init()</B ></A >.</P ></DD ><DT ><CODE CLASS="parameter" >var1</CODE ></DT ><DD ><P > The variable to be bound. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN141970" ></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="AEN141975" ></A ><H2 >范例</H2 ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN141977" ></A ><P ><B >例 1. Object oriented style</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$mysqli </font><font color="#007700">= new </font><font color="#0000BB">mysqli</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br />if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br /> exit();<br />}<br /><br /></font><font color="#FF8000">/* prepare statement */<br /></font><font color="#007700">if (</font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">$mysqli</font><font color="#007700">-></font><font color="#0000BB">prepare</font><font color="#007700">(</font><font color="#DD0000">"SELECT Code, Name FROM Country ORDER BY Name LIMIT 5"</font><font color="#007700">)) {<br /> </font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">execute</font><font color="#007700">();<br /><br /> </font><font color="#FF8000">/* bind variables to prepared statement */<br /> </font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">bind_result</font><font color="#007700">(</font><font color="#0000BB">$col1</font><font color="#007700">, </font><font color="#0000BB">$col2</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">/* fetch values */<br /> </font><font color="#007700">while (</font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">fetch</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"%s %s\n"</font><font color="#007700">, </font><font color="#0000BB">$col1</font><font color="#007700">, </font><font color="#0000BB">$col2</font><font color="#007700">);<br /> }<br /><br /> </font><font color="#FF8000">/* close statement */<br /> </font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">close</font><font color="#007700">();<br />}<br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-></font><font color="#0000BB">close</font><font color="#007700">();<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN141980" ></A ><P ><B >例 2. Procedural style</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$link </font><font color="#007700">= </font><font color="#0000BB">mysqli_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (!</font><font color="#0000BB">$link</font><font color="#007700">) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br /> exit();<br />}<br /><br /></font><font color="#FF8000">/* prepare statement */<br /></font><font color="#007700">if (</font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">mysqli_prepare</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"SELECT Code, Name FROM Country ORDER BY Name LIMIT 5"</font><font color="#007700">)) {<br /> </font><font color="#0000BB">mysqli_stmt_execute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">/* bind variables to prepared statement */<br /> </font><font color="#0000BB">mysqli_stmt_bind_result</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">, </font><font color="#0000BB">$col1</font><font color="#007700">, </font><font color="#0000BB">$col2</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">/* fetch values */<br /> </font><font color="#007700">while (</font><font color="#0000BB">mysqli_stmt_fetch</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">)) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"%s %s\n"</font><font color="#007700">, </font><font color="#0000BB">$col1</font><font color="#007700">, </font><font color="#0000BB">$col2</font><font color="#007700">);<br /> }<br /><br /> </font><font color="#FF8000">/* close statement */<br /> </font><font color="#0000BB">mysqli_stmt_close</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">);<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">mysqli_close</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><P >上例将输出:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >AFG Afghanistan ALB Albania DZA Algeria ASM American Samoa AND Andorra</PRE ></TD ></TR ></TABLE ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN141985" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.mysqli-stmt-bind-param.html" ><B CLASS="function" >mysqli_stmt_bind_param()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.mysqli-stmt-execute.html" ><B CLASS="function" >mysqli_stmt_execute()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.mysqli-stmt-fetch.html" ><B CLASS="function" >mysqli_stmt_fetch()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.mysqli-prepare.html" ><B CLASS="function" >mysqli_prepare()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.mysqli-stmt-prepare.html" ><B CLASS="function" >mysqli_stmt_prepare()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.mysqli-stmt-init.html" ><B CLASS="function" >mysqli_stmt_init()</B ></A ></TD ></TR ><TR ><TD ><A 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