<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >sqlite_fetch_column_types</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_fetch_array" HREF="function.sqlite-fetch-array.html"><LINK REL="NEXT" TITLE="sqlite_fetch_object" HREF="function.sqlite-fetch-object.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-fetch-array.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-object.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.sqlite-fetch-column-types" ></A >sqlite_fetch_column_types</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN216837" ></A ><P > (PHP 5)</P >sqlite_fetch_column_types<P > (no version information, might be only in CVS)</P >SQLiteDatabase->fetchColumnTypes -- Return an array of column types from a particular table </DIV ><DIV CLASS="refsect1" ><A NAME="AEN216841" ></A ><H2 >说明</H2 >array <B CLASS="methodname" >sqlite_fetch_column_types</B > ( string table_name, resource dbhandle [, int result_type] )<BR ></BR ><P >Object oriented style (method):</P >class <B CLASS="classname" >SQLiteDatabase</B > { <BR ></BR >array <B CLASS="methodname" >fetchColumnTypes</B > ( string table_name [, int result_type] )<BR ></BR >}<P > <B CLASS="function" >sqlite_fetch_column_types()</B > returns an array of column data types from the specified <CODE CLASS="parameter" >table_name</CODE > table. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN216871" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >table_name</CODE ></DT ><DD ><P > The table name to query. </P ></DD ><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 ><DT ><CODE CLASS="parameter" >result_type</CODE ></DT ><DD ><P > The optional <CODE CLASS="parameter" >result_type</CODE > parameter accepts a constant and determines how the returned array will be indexed. Using <TT CLASS="constant" ><B >SQLITE_ASSOC</B ></TT > will return only associative indices (named fields) while <TT CLASS="constant" ><B >SQLITE_NUM</B ></TT > will return only numerical indices (ordinal field numbers). <TT CLASS="constant" ><B >SQLITE_BOTH</B ></TT > will return both associative and numerical indices. <TT CLASS="constant" ><B >SQLITE_ASSOC</B ></TT > is the default for this function. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN216896" ></A ><H2 >返回值</H2 ><P > Returns an array of column data types; <TT CLASS="constant" ><B >FALSE</B ></TT > on error. </P ><P >由 <TT CLASS="constant" ><B >SQLITE_ASSOC</B ></TT > 和 <TT CLASS="constant" ><B >SQLITE_BOTH</B ></TT > 返回的列名会根据 <A HREF="ref.sqlite.html#ini.sqlite.assoc-case" >sqlite.assoc_case</A > 配置选项的值来决定大小写。</P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN216904" ></A ><H2 >更新日志</H2 ><P > <DIV CLASS="informaltable" ><P ></P ><A NAME="AEN216907" ></A ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><THEAD ><TR ><TH >版本</TH ><TH >说明</TH ></TR ></THEAD ><TBODY ><TR ><TD >5.1.0</TD ><TD >Added <CODE CLASS="parameter" >result_type</CODE ></TD ></TR ></TBODY ></TABLE ><P ></P ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN216918" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN216921" ></A ><P ><B >例 1. Procedural example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$db </font><font color="#007700">= </font><font color="#0000BB">sqlite_open</font><font color="#007700">(</font><font color="#DD0000">'mysqlitedb'</font><font color="#007700">);<br /></font><font color="#0000BB">sqlite_query</font><font color="#007700">(</font><font color="#0000BB">$db</font><font color="#007700">, </font><font color="#DD0000">'CREATE TABLE foo (bar varchar(10), arf text)'</font><font color="#007700">);<br /></font><font color="#0000BB">$cols </font><font color="#007700">= </font><font color="#0000BB">sqlite_fetch_column_types</font><font color="#007700">(</font><font color="#DD0000">'foo'</font><font color="#007700">, </font><font color="#0000BB">$db</font><font color="#007700">, </font><font color="#0000BB">SQLITE_ASSOC</font><font color="#007700">);<br /><br />foreach (</font><font color="#0000BB">$cols </font><font color="#007700">as </font><font color="#0000BB">$column </font><font color="#007700">=> </font><font color="#0000BB">$type</font><font color="#007700">) {<br /> echo </font><font color="#DD0000">"Column: $column Type: $type"</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN216925" ></A ><P ><B >例 2. Object-oriented example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$db </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">$db</font><font color="#007700">-></font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">'CREATE TABLE foo (bar varchar(10), arf text)'</font><font color="#007700">);<br /></font><font color="#0000BB">$cols </font><font color="#007700">= </font><font color="#0000BB">$db</font><font color="#007700">-></font><font color="#0000BB">fetchColumnTypes</font><font color="#007700">(</font><font color="#DD0000">'foo'</font><font color="#007700">, </font><font color="#0000BB">SQLITE_ASSOC</font><font color="#007700">);<br /><br />foreach (</font><font color="#0000BB">$cols </font><font color="#007700">as </font><font color="#0000BB">$column </font><font color="#007700">=> </font><font color="#0000BB">$type</font><font color="#007700">) {<br /> echo </font><font color="#DD0000">"Column: $column Type: $type"</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >上例将输出:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >Column: bar Type: VARCHAR Column: arf Type: TEXT</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </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-fetch-array.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-object.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >sqlite_fetch_array</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_object</TD ></TR ></TABLE ></DIV ></BODY ></HTML >