Sophie

Sophie

distrib > Mandriva > 2008.1 > i586 > by-pkgid > 703d980c580707c382b4e43e25965bc5 > files > 2729

php-manual-pt_BR-5.2.4-1mdv2008.1.noarch.rpm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>mysqli_data_seek</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
REL="HOME"
TITLE="Manual do PHP"
HREF="index.html"><LINK
REL="UP"
TITLE="MySQL Melhorada"
HREF="ref.mysqli.html"><LINK
REL="PREVIOUS"
TITLE="mysqli_connect"
HREF="function.mysqli-connect.html"><LINK
REL="NEXT"
TITLE="mysqli_debug"
HREF="function.mysqli-debug.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"
>Manual do PHP</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="function.mysqli-connect.html"
ACCESSKEY="P"
>Anterior</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="function.mysqli-debug.html"
ACCESSKEY="N"
>Próxima</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.mysqli-data-seek"
></A
>mysqli_data_seek</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN133355"
></A
><P
>    (PHP 5)</P
>mysqli_data_seek<P
>    (no version information, might be only in CVS)</P
>result-&#62;data_seek&nbsp;--&nbsp;Ajusta o ponteiro do resultado para uma linha arbritaria no conjunto de resutados</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN133359"
></A
><H2
>Descrição</H2
><P
>Estilo de procedimento:</P
>bool <B
CLASS="methodname"
>mysqli_data_seek</B
> ( object result, int offset )<BR
></BR
><P
>Estilo orientado a objetos (metodo):</P
>class <B
CLASS="classname"
>result</B
> { <BR
></BR
>bool <B
CLASS="methodname"
>data_seek</B
> ( int offset )<BR
></BR
>}<P
>&#13;     A função <B
CLASS="function"
>mysqli_data_seek()</B
> move para um resultado arbritario 
     especificado por <CODE
CLASS="parameter"
>offset</CODE
> no conjunto de resultados especificado por
     <CODE
CLASS="parameter"
>result</CODE
>. O parâmetro <CODE
CLASS="parameter"
>offset</CODE
> deve estar entre
     zero e o número total de linhas menos uma (0..<A
HREF="function.mysqli-num-rows.html"
><B
CLASS="function"
>mysqli_num_rows()</B
></A
> - 1).
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>
      Esta função só pode ser usadas para consultas não guardadas em buffer guardadas com o uso de
      <A
HREF="function.mysqli-store-result.html"
><B
CLASS="function"
>mysqli_store_result()</B
></A
> ou <A
HREF="function.mysqli-query.html"
><B
CLASS="function"
>mysqli_query()</B
></A
>. 
     </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN133391"
></A
><H2
>Valores de retorno</H2
><P
>&#13;     Retorna <TT
CLASS="constant"
><B
>TRUE</B
></TT
> em caso de sucesso ou <TT
CLASS="constant"
><B
>FALSE</B
></TT
> em falhas.
    </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN133396"
></A
><H2
>Veja também</H2
><P
>&#13;     <A
HREF="function.mysqli-store-result.html"
><B
CLASS="function"
>mysqli_store_result()</B
></A
>,
     <A
HREF="function.mysqli-fetch-row.html"
><B
CLASS="function"
>mysqli_fetch_row()</B
></A
>,
     <A
HREF="function.mysqli-num-rows.html"
><B
CLASS="function"
>mysqli_num_rows()</B
></A
>.
    </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN133402"
></A
><H2
>Exemplo</H2
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN133404"
></A
><P
><B
>Exemplo 1. Estilo orientado a objeto</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">/* Open a connection */<br /></font><font color="#0000BB">$mysqli </font><font color="#007700">= new </font><font color="#0000BB">mysqli</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */ <br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br />&nbsp;&nbsp;&nbsp;&nbsp;exit();<br />}<br /><br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT Name, CountryCode FROM City ORDER BY Name"</font><font color="#007700">;<br />if (</font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">( </font><font color="#0000BB">$query</font><font color="#007700">)) {<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* seek to row no. 400 */<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">data_seek</font><font color="#007700">(</font><font color="#0000BB">399</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* fetch row */<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">fetch_row</font><font color="#007700">();<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"City: %s&nbsp;&nbsp;Countrycode: %s\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">0</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">1</font><font color="#007700">]);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* free result set*/<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br /></font><font color="#0000BB">?&gt;</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="AEN133407"
></A
><P
><B
>Exemplo 2. Estilo de procedimento</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">/* Open a connection */<br /></font><font color="#0000BB">$link </font><font color="#007700">= </font><font color="#0000BB">mysqli_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */ <br /></font><font color="#007700">if (!</font><font color="#0000BB">$link</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</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 />&nbsp;&nbsp;&nbsp;&nbsp;exit();<br />}<br /><br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT Name, CountryCode FROM City ORDER BY Name"</font><font color="#007700">;<br /><br />if (</font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">mysqli_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#0000BB">$query</font><font color="#007700">)) {<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* seek to row no. 400 */<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">mysqli_data_seek</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">, </font><font color="#0000BB">399</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* fetch row */<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">mysqli_fetch_row</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"City: %s&nbsp;&nbsp;Countrycode: %s\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">0</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">1</font><font color="#007700">]);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* free result set*/<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">mysqli_free_result</font><font color="#007700">(</font><font color="#0000BB">$result</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">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
><P
>&#13;     Os exemplos acima devem produzir a seguinte saída:
    </P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="screen"
>City: Benin City  Countrycode: NGA</PRE
></TD
></TR
></TABLE
></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-connect.html"
ACCESSKEY="P"
>Anterior</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
ACCESSKEY="H"
>Principal</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="function.mysqli-debug.html"
ACCESSKEY="N"
>Próxima</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>mysqli_connect</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ref.mysqli.html"
ACCESSKEY="U"
>Acima</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>mysqli_debug</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>