<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >PDOStatement->execute()</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="PDO Functions" HREF="ref.pdo.html"><LINK REL="PREVIOUS" TITLE="PDOStatement->errorInfo()" HREF="function.pdostatement-errorinfo.html"><LINK REL="NEXT" TITLE="PDOStatement->fetch()" HREF="function.pdostatement-fetch.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.pdostatement-errorinfo.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.pdostatement-fetch.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.PDOStatement-execute" ></A >PDOStatement->execute()</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN177524" ></A ><P > (no version information, might be only in CVS)</P >PDOStatement->execute() -- Executes a prepared statement </DIV ><DIV CLASS="refsect1" ><A NAME="AEN177527" ></A ><H2 >说明</H2 >class <B CLASS="classname" >PDOStatement</B > { <BR ></BR >bool <B CLASS="methodname" >execute</B > ( [array input_parameters] )<BR ></BR >}<P > Execute the prepared statement. If the prepared statement included parameter markers, you must either: <P ></P ><UL ><LI ><P >call <A HREF="function.pdostatement-bindparam.html" >PDOStatement->bindParam()</A > to bind PHP variables to the parameter markers: bound variables pass their value as input and receive the output value, if any, of their associated parameter markers</P ></LI ><LI ><P >or pass an array of input-only parameter values</P ></LI ></UL > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN177545" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >input_parameters</CODE ></DT ><DD ><P > An array of values with as many elements as there are bound parameters in the SQL statement being executed. </P ><P > You cannot bind multiple values to a single parameter; for example, you cannot bind two values to a single named parameter in an IN() clause. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN177555" ></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="AEN177560" ></A ><H2 >范例</H2 ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN177562" ></A ><P ><B >例 1. Execute a prepared statement with bound variables</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">/* Execute a prepared statement by binding PHP variables */<br /></font><font color="#0000BB">$calories </font><font color="#007700">= </font><font color="#0000BB">150</font><font color="#007700">;<br /></font><font color="#0000BB">$colour </font><font color="#007700">= </font><font color="#DD0000">'red'</font><font color="#007700">;<br /></font><font color="#0000BB">$sth </font><font color="#007700">= </font><font color="#0000BB">$dbh</font><font color="#007700">-></font><font color="#0000BB">prepare</font><font color="#007700">(</font><font color="#DD0000">'SELECT name, colour, calories<br /> FROM fruit<br /> WHERE calories < :calories AND colour = :colour'</font><font color="#007700">);<br /></font><font color="#0000BB">$sth</font><font color="#007700">-></font><font color="#0000BB">bindParam</font><font color="#007700">(</font><font color="#DD0000">':calories'</font><font color="#007700">, </font><font color="#0000BB">$calories</font><font color="#007700">, </font><font color="#0000BB">PDO</font><font color="#007700">::</font><font color="#0000BB">PARAM_INT</font><font color="#007700">);<br /></font><font color="#0000BB">$sth</font><font color="#007700">-></font><font color="#0000BB">bindParam</font><font color="#007700">(</font><font color="#DD0000">':colour'</font><font color="#007700">, </font><font color="#0000BB">$colour</font><font color="#007700">, </font><font color="#0000BB">PDO</font><font color="#007700">::</font><font color="#0000BB">PARAM_STR</font><font color="#007700">, </font><font color="#0000BB">12</font><font color="#007700">);<br /></font><font color="#0000BB">$sth</font><font color="#007700">-></font><font color="#0000BB">execute</font><font color="#007700">();<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN177565" ></A ><P ><B >例 2. Execute a prepared statement with an array of insert values (named parameters)</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">/* Execute a prepared statement by passing an array of insert values */<br /></font><font color="#0000BB">$calories </font><font color="#007700">= </font><font color="#0000BB">150</font><font color="#007700">;<br /></font><font color="#0000BB">$colour </font><font color="#007700">= </font><font color="#DD0000">'red'</font><font color="#007700">;<br /></font><font color="#0000BB">$sth </font><font color="#007700">= </font><font color="#0000BB">$dbh</font><font color="#007700">-></font><font color="#0000BB">prepare</font><font color="#007700">(</font><font color="#DD0000">'SELECT name, colour, calories<br /> FROM fruit<br /> WHERE calories < :calories AND colour = :colour'</font><font color="#007700">);<br /></font><font color="#0000BB">$sth</font><font color="#007700">-></font><font color="#0000BB">execute</font><font color="#007700">(array(</font><font color="#DD0000">':calories' </font><font color="#007700">=> </font><font color="#0000BB">$calories</font><font color="#007700">, </font><font color="#DD0000">':colour' </font><font color="#007700">=> </font><font color="#0000BB">$colour</font><font color="#007700">));<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="AEN177568" ></A ><P ><B >例 3. Execute a prepared statement with an array of insert values (placeholders)</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">/* Execute a prepared statement by passing an array of insert values */<br /></font><font color="#0000BB">$calories </font><font color="#007700">= </font><font color="#0000BB">150</font><font color="#007700">;<br /></font><font color="#0000BB">$colour </font><font color="#007700">= </font><font color="#DD0000">'red'</font><font color="#007700">;<br /></font><font color="#0000BB">$sth </font><font color="#007700">= </font><font color="#0000BB">$dbh</font><font color="#007700">-></font><font color="#0000BB">prepare</font><font color="#007700">(</font><font color="#DD0000">'SELECT name, colour, calories<br /> FROM fruit<br /> WHERE calories < ? AND colour = ?'</font><font color="#007700">);<br /></font><font color="#0000BB">$sth</font><font color="#007700">-></font><font color="#0000BB">execute</font><font color="#007700">(array(</font><font color="#0000BB">$calories</font><font color="#007700">, </font><font color="#0000BB">$colour</font><font color="#007700">));<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN177571" ></A ><P ><B >例 4. Execute a prepared statement with question mark placeholders</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">/* Execute a prepared statement by binding PHP variables */<br /></font><font color="#0000BB">$calories </font><font color="#007700">= </font><font color="#0000BB">150</font><font color="#007700">;<br /></font><font color="#0000BB">$colour </font><font color="#007700">= </font><font color="#DD0000">'red'</font><font color="#007700">;<br /></font><font color="#0000BB">$sth </font><font color="#007700">= </font><font color="#0000BB">$dbh</font><font color="#007700">-></font><font color="#0000BB">prepare</font><font color="#007700">(</font><font color="#DD0000">'SELECT name, colour, calories<br /> FROM fruit<br /> WHERE calories < ? AND colour = ?'</font><font color="#007700">);<br /></font><font color="#0000BB">$sth</font><font color="#007700">-></font><font color="#0000BB">bindParam</font><font color="#007700">(</font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#0000BB">$calories</font><font color="#007700">, </font><font color="#0000BB">PDO</font><font color="#007700">::</font><font color="#0000BB">PARAM_INT</font><font color="#007700">);<br /></font><font color="#0000BB">$sth</font><font color="#007700">-></font><font color="#0000BB">bindParam</font><font color="#007700">(</font><font color="#0000BB">2</font><font color="#007700">, </font><font color="#0000BB">$colour</font><font color="#007700">, </font><font color="#0000BB">PDO</font><font color="#007700">::</font><font color="#0000BB">PARAM_STR</font><font color="#007700">, </font><font color="#0000BB">12</font><font color="#007700">);<br /></font><font color="#0000BB">$sth</font><font color="#007700">-></font><font color="#0000BB">execute</font><font color="#007700">();<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN177574" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.pdo-prepare.html" >PDO->prepare()</A ></TD ></TR ><TR ><TD ><A HREF="function.pdostatement-bindparam.html" >PDOStatement->bindParam()</A ></TD ></TR ><TR ><TD ><A HREF="function.pdostatement-fetch.html" >PDOStatement->fetch()</A ></TD ></TR ><TR ><TD ><A HREF="function.pdostatement-fetchall.html" >PDOStatement->fetchAll()</A ></TD ></TR ><TR ><TD ><A HREF="function.pdostatement-fetchcolumn.html" >PDOStatement->fetchColumn()</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.pdostatement-errorinfo.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.pdostatement-fetch.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >PDOStatement->errorInfo()</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.pdo.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >PDOStatement->fetch()</TD ></TR ></TABLE ></DIV ></BODY ></HTML >