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>PDO-&#62;lastInsertId()</H1
><DIV
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><A
NAME="AEN176721"
></A
><P
>    (no version information, might be only in CVS)</P
>PDO-&#62;lastInsertId()&nbsp;--&nbsp;
   Returns the ID of the last inserted row or sequence value
  </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN176724"
></A
><H2
>说明</H2
>class <B
CLASS="classname"
>PDO</B
> { <BR
></BR
>string <B
CLASS="methodname"
>lastInsertId</B
> ( [string name] )<BR
></BR
>}<P
>&#13;   Returns the ID of the last inserted row, or the last value from a
   sequence object, depending on the underlying driver. For example,
   <B
CLASS="function"
>PDO_PGSQL()</B
> requires you to specify the name of
   a sequence object for the <CODE
CLASS="parameter"
>name</CODE
> parameter.
  </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
    This method may not return a meaningful or consistent result across
    different PDO drivers, because the underlying database may not even
    support the notion of auto-increment fields or sequences.
   </P
></BLOCKQUOTE
></DIV
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><DIV
CLASS="refsect1"
><A
NAME="AEN176740"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>name</CODE
></DT
><DD
><P
>&#13;       Name of the sequence object from which the ID should be returned.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN176749"
></A
><H2
>返回值</H2
><P
>&#13;   If a sequence name was not specified for the <CODE
CLASS="parameter"
>name</CODE
>
   parameter, <A
HREF="function.pdo-lastinsertid.html"
>PDO-&#62;lastInsertId()</A
> returns a
   string representing the row ID of the last row that was inserted into
   the database.
  </P
><P
>&#13;   If a sequence name was specified for the <CODE
CLASS="parameter"
>name</CODE
>
   parameter, <A
HREF="function.pdo-lastinsertid.html"
>PDO-&#62;lastInsertId()</A
> returns a
   string representing the last value retrieved from the specified sequence
   object.
  </P
><P
>&#13;   If the PDO driver does not support this capability,
   <A
HREF="function.pdo-lastinsertid.html"
>PDO-&#62;lastInsertId()</A
> triggers an
   <TT
CLASS="literal"
>IM001</TT
> SQLSTATE.
  </P
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