<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >sqlite_changes</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="SQLite Functions" HREF="ref.sqlite.html"><LINK REL="PREVIOUS" TITLE="sqlite_busy_timeout" HREF="function.sqlite-busy-timeout.html"><LINK REL="NEXT" TITLE="sqlite_close" HREF="function.sqlite-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.sqlite-busy-timeout.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.sqlite-close.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.sqlite-changes" ></A >sqlite_changes</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN215905" ></A ><P > (PHP 5)</P >sqlite_changes<P > (no version information, might be only in CVS)</P >SQLiteDatabase->changes -- Returns the number of rows that were changed by the most recent SQL statement </DIV ><DIV CLASS="refsect1" ><A NAME="AEN215909" ></A ><H2 >说明</H2 >int <B CLASS="methodname" >sqlite_changes</B > ( resource dbhandle )<BR ></BR ><P >Object oriented style (method):</P >class <B CLASS="classname" >SQLiteDatabase</B > { <BR ></BR >int <B CLASS="methodname" >changes</B > ( void )<BR ></BR >}<P > Returns the numbers of rows that were changed by the most recent SQL statement executed against the <CODE CLASS="parameter" >dbhandle</CODE > database handle. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN215927" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >dbhandle</CODE ></DT ><DD ><P > The SQLite Database resource; returned from <A HREF="function.sqlite-open.html" ><B CLASS="function" >sqlite_open()</B ></A > when used procedurally. This parameter is not required when using the object-oriented method. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN215937" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN215940" ></A ><P ><B >例 1. Procedural style</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$dbhandle </font><font color="#007700">= </font><font color="#0000BB">sqlite_open</font><font color="#007700">(</font><font color="#DD0000">'mysqlitedb'</font><font color="#007700">);<br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#0000BB">sqlite_query</font><font color="#007700">(</font><font color="#0000BB">$dbhandle</font><font color="#007700">, </font><font color="#DD0000">"UPDATE users SET email='jDoe@example.com' WHERE username='jDoe'"</font><font color="#007700">);<br />if (!</font><font color="#0000BB">$query</font><font color="#007700">) {<br /> exit(</font><font color="#DD0000">'Error in query.'</font><font color="#007700">);<br />} else {<br /> echo </font><font color="#DD0000">'Number of rows modified: '</font><font color="#007700">, </font><font color="#0000BB">sqlite_changes</font><font color="#007700">(</font><font color="#0000BB">$dbhandle</font><font color="#007700">);<br />}<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN215944" ></A ><P ><B >例 2. Object oriented style</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$dbhandle </font><font color="#007700">= new </font><font color="#0000BB">SQLiteDatabase</font><font color="#007700">(</font><font color="#DD0000">'mysqlitedb'</font><font color="#007700">);<br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#0000BB">$dbhandle</font><font color="#007700">-></font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"UPDATE users SET email='jDoe@example.com' WHERE username='jDoe'"</font><font color="#007700">);<br />if (!</font><font color="#0000BB">$query</font><font color="#007700">) {<br /> exit(</font><font color="#DD0000">'Error in query.'</font><font color="#007700">);<br />} else {<br /> echo </font><font color="#DD0000">'Number of rows modified: '</font><font color="#007700">, </font><font color="#0000BB">$dbhandle</font><font color="#007700">-></font><font color="#0000BB">changes</font><font color="#007700">();<br />}<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN215947" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.sqlite-open.html" ><B CLASS="function" >sqlite_open()</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.sqlite-busy-timeout.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.sqlite-close.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >sqlite_busy_timeout</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.sqlite.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >sqlite_close</TD ></TR ></TABLE ></DIV ></BODY ></HTML >