小弟我的表P_id没设置为自动增长,插入数据时小弟我要通过程序控制p_id自动增长,该如何做。求教

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Release: 2016-06-13 12:21:04
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我的表P_id没设置为自动增长,插入数据时我要通过程序控制p_id自动增长,该怎么做。求教

//添加商品SQL<br />	mysql_query("insert into t_product<br />	(<br />	p_id<br />	categorycode,<br />	subcategorycode,<br />	price,<br />	shopid<br />	)<br />	values<br />	(<br />	<br />	'$categorycode',<br />	'$subcategorycode',<br />	'$price',<br />	$s_id<br />	)");<br /><br />	
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------解决思路----------------------
list($pid) = mysql_fetch_row(mysql_query("select max(p_id)+1 from t_product"));<br />//添加商品SQL<br />    mysql_query("insert into t_product<br />    (<br />    p_id<br />    categorycode,<br />    subcategorycode,<br />    price,<br />    shopid<br />    )<br />    values<br />    (<br />     '$p_id',<br />    '$categorycode',<br />    '$subcategorycode',<br />    '$price',<br />    $s_id<br />    )");
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