<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >sqlite_has_prev</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_has_more" HREF="function.sqlite-has-more.html"><LINK REL="NEXT" TITLE="sqlite_key" HREF="function.sqlite-key.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-has-more.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-key.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.sqlite-has-prev" ></A >sqlite_has_prev</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN217164" ></A ><P > (PHP 5)</P >sqlite_has_prev<P > (no version information, might be only in CVS)</P >SQLiteResult->hasPrev -- Returns whether or not a previous row is available</DIV ><DIV CLASS="refsect1" ><A NAME="AEN217168" ></A ><H2 >说明</H2 >bool <B CLASS="methodname" >sqlite_has_prev</B > ( resource result )<BR ></BR ><P >Object oriented style (method):</P >class <B CLASS="classname" >SQLiteResult</B > { <BR ></BR >bool <B CLASS="methodname" >hasPrev</B > ( void )<BR ></BR >}<P > Find whether there are more previous rows from the given result handle. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN217185" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >result</CODE ></DT ><DD ><P > The SQLite result resource. This parameter is not required when using the object-oriented method. </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B >本函数不能用于未缓冲的结果句柄。</P ></BLOCKQUOTE ></DIV ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN217196" ></A ><H2 >返回值</H2 ><P > Returns <TT CLASS="constant" ><B >TRUE</B ></TT > if there are more previous rows available from the <CODE CLASS="parameter" >result</CODE > handle, or <TT CLASS="constant" ><B >FALSE</B ></TT > otherwise. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN217202" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.sqlite-prev.html" ><B CLASS="function" >sqlite_prev()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.sqlite-has-more.html" ><B CLASS="function" >sqlite_has_more()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.sqlite-num-rows.html" ><B CLASS="function" >sqlite_num_rows()</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-has-more.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-key.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >sqlite_has_more</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_key</TD ></TR ></TABLE ></DIV ></BODY ></HTML >