<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >mysqli_stmt_sqlstate</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_send_long_data" HREF="function.mysqli-stmt-send-long-data.html"><LINK REL="NEXT" TITLE="mysqli_stmt_store_result" HREF="function.mysqli-stmt-store-result.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-send-long-data.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-store-result.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mysqli-stmt-sqlstate" ></A >mysqli_stmt_sqlstate</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN142904" ></A ><P > (PHP 5)</P >mysqli_stmt_sqlstate<P > (no version information, might be only in CVS)</P >mysqli_stmt->sqlstate() -- Returns SQLSTATE error from previous statement operation</DIV ><DIV CLASS="refsect1" ><A NAME="AEN142908" ></A ><H2 >说明</H2 >string <B CLASS="methodname" >mysqli_stmt_sqlstate</B > ( mysqli_stmt stmt )<BR ></BR ><P >Object oriented style (property):</P >class <B CLASS="classname" >mysqli_stmt</B > { <BR ></BR >string sqlstate<BR ></BR >}<P > Returns a string containing the SQLSTATE error code for the most recently invoked prepared statement function that can succeed or fail. The error code consists of five characters. <TT CLASS="literal" >'00000'</TT > means no error. The values are specified by ANSI SQL and ODBC. For a list of possible values, see <A HREF="http://dev.mysql.com/doc/mysql/en/error-handling.html" TARGET="_top" >http://dev.mysql.com/doc/mysql/en/error-handling.html</A >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN142926" ></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 ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN142936" ></A ><H2 >返回值</H2 ><P > Returns a string containing the SQLSTATE error code for the last error. The error code consists of five characters. <TT CLASS="literal" >'00000'</TT > means no error. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN142940" ></A ><H2 >注释</H2 ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B > Note that not all MySQL errors are yet mapped to SQLSTATE's. The value <TT CLASS="literal" >HY000</TT > (general error) is used for unmapped errors. </P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN142945" ></A ><H2 >范例</H2 ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN142947" ></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 /></font><font color="#FF8000">/* Open a connection */<br /></font><font color="#0000BB">$mysqli </font><font color="#007700">= new </font><font color="#0000BB">mysqli</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br /> exit();<br />}<br /><br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-></font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"CREATE TABLE myCountry LIKE Country"</font><font color="#007700">);<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-></font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"INSERT INTO myCountry SELECT * FROM Country"</font><font color="#007700">);<br /><br /><br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT Name, Code FROM myCountry ORDER BY Name"</font><font color="#007700">;<br />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="#0000BB">$query</font><font color="#007700">)) {<br /><br /> </font><font color="#FF8000">/* drop table */<br /> </font><font color="#0000BB">$mysqli</font><font color="#007700">-></font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"DROP TABLE myCountry"</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">/* execute query */<br /> </font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">execute</font><font color="#007700">();<br /><br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Error: %s.\n"</font><font color="#007700">, </font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">sqlstate</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">/* close statement */<br /> </font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">close</font><font color="#007700">();<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-></font><font color="#0000BB">close</font><font color="#007700">();<br /></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="AEN142950" ></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 /></font><font color="#FF8000">/* Open a connection */<br /></font><font color="#0000BB">$link </font><font color="#007700">= </font><font color="#0000BB">mysqli_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br /> exit();<br />}<br /><br /></font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"CREATE TABLE myCountry LIKE Country"</font><font color="#007700">);<br /></font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"INSERT INTO myCountry SELECT * FROM Country"</font><font color="#007700">);<br /><br /><br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT Name, Code FROM myCountry ORDER BY Name"</font><font color="#007700">;<br />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="#0000BB">$query</font><font color="#007700">)) {<br /><br /> </font><font color="#FF8000">/* drop table */<br /> </font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"DROP TABLE myCountry"</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">/* execute query */<br /> </font><font color="#0000BB">mysqli_stmt_execute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">);<br /><br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Error: %s.\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_stmt_sqlstate</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">));<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" >Error: 42S02.</PRE ></TD ></TR ></TABLE ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN142955" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.mysqli-stmt-errno.html" ><B CLASS="function" >mysqli_stmt_errno()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.mysqli-stmt-error.html" ><B CLASS="function" >mysqli_stmt_error()</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.mysqli-stmt-send-long-data.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.mysqli-stmt-store-result.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mysqli_stmt_send_long_data</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.mysqli.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >mysqli_stmt_store_result</TD ></TR ></TABLE ></DIV ></BODY ></HTML >