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

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>sqlite_changes</H1
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><A
NAME="AEN215905"
></A
><P
>    (PHP 5)</P
>sqlite_changes<P
>    (no version information, might be only in CVS)</P
>SQLiteDatabase-&#62;changes&nbsp;--&nbsp;
   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
>&#13;   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
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>dbhandle</CODE
></DT
><DD
><P
>&#13;       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
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><DIV
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><A
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></A
><H2
>范例</H2
><P
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><P
><B
>例 1. Procedural style</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?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 />&nbsp;&nbsp;&nbsp;&nbsp;exit(</font><font color="#DD0000">'Error in query.'</font><font color="#007700">);<br />} else {<br />&nbsp;&nbsp;&nbsp;&nbsp;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">$dbhandle</font><font color="#007700">);<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
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>&#13;   <TABLE
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></A
><P
><B
>例 2. Object oriented style</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$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">-&gt;</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">$query</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;exit(</font><font color="#DD0000">'Error in query.'</font><font color="#007700">);<br />} else {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">'Number of rows modified: '</font><font color="#007700">, </font><font color="#0000BB">$dbhandle</font><font color="#007700">-&gt;</font><font color="#0000BB">changes</font><font color="#007700">();<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN215947"
></A
><H2
>参见</H2
><P
>&#13;   <P
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