<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >sqlite_factory</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_exec" HREF="function.sqlite-exec.html"><LINK REL="NEXT" TITLE="sqlite_fetch_all" HREF="function.sqlite-fetch-all.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-exec.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-fetch-all.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.sqlite-factory" ></A >sqlite_factory</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN216571" ></A ><P > (PHP 5)</P >sqlite_factory -- Opens a SQLite database and returns a SQLiteDatabase object</DIV ><DIV CLASS="refsect1" ><A NAME="AEN216574" ></A ><H2 >说明</H2 >SQLiteDatabase <B CLASS="methodname" >sqlite_factory</B > ( string filename [, int mode [, string &error_message]] )<BR ></BR ><P > <B CLASS="function" >sqlite_factory()</B > behaves similarly to <A HREF="function.sqlite-open.html" ><B CLASS="function" >sqlite_open()</B ></A > in that it opens an SQLite database or attempts to create it if it does not exist. However, a <A HREF="ref.sqlite.html#sqlite.class.sqlitedatabase" >SQLiteDatabase</A > object is returned rather than a resource. Please see the <A HREF="function.sqlite-open.html" ><B CLASS="function" >sqlite_open()</B ></A > reference page for further usage and caveats. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN216593" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >filename</CODE ></DT ><DD ><P > The filename of the SQLite database. </P ></DD ><DT ><CODE CLASS="parameter" >mode</CODE ></DT ><DD ><P > The mode of the file. Intended to be used to open the database in read-only mode. Presently, this parameter is ignored by the sqlite library. The default value for mode is the octal value <TT CLASS="literal" >0666</TT > and this is the recommended value. </P ></DD ><DT ><CODE CLASS="parameter" >error_message</CODE ></DT ><DD ><P > Passed by reference and is set to hold a descriptive error message explaining why the database could not be opened if there was an error. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN216613" ></A ><H2 >返回值</H2 ><P > Returns a SQLiteDatabase object on success, <TT CLASS="constant" ><B >NULL</B ></TT > on error. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN216617" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN216620" ></A ><P ><B >例 1. <B CLASS="function" >sqlite_factory()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$dbhandle </font><font color="#007700">= </font><font color="#0000BB">sqlite_factory</font><font color="#007700">(</font><font color="#DD0000">'sqlitedb'</font><font color="#007700">);<br /></font><font color="#0000BB">$dbhandle</font><font color="#007700">-></font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">'SELECT user_id, username FROM users'</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* functionally equivalent to: */<br /><br /></font><font color="#0000BB">$dbhandle </font><font color="#007700">= new </font><font color="#0000BB">SQLiteDatabase</font><font color="#007700">(</font><font color="#DD0000">'sqlitedb'</font><font color="#007700">);<br /></font><font color="#0000BB">$dbhandle</font><font color="#007700">-></font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">'SELECT user_id, username FROM users'</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="AEN216624" ></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 ><TR ><TD ><A HREF="function.sqlite-popen.html" ><B CLASS="function" >sqlite_popen()</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-exec.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-fetch-all.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >sqlite_exec</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_fetch_all</TD ></TR ></TABLE ></DIV ></BODY ></HTML >