php实现mysql数据库随机重排例子
程序代码
| 代码如下 |
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//数据库连接就不写在这里面了
$s = isset( $_GET['s'] )?$_GET['s']:0;
$e = isset( $_GET['e'])?$_GET['e']:50;
$count =85000;
if( $s
{
$sql = "select * from 表前缀_info where isget =0 order by id desc limit $s,$e ";
$query = mysql_query( $sql );
while( $rs = mysql_fetch_array( $query ) )
{
$id = $rs['id'];
$sss = $rs['sss'];
$typeid = $rs['typeid'];
$isget = $rs['isget'];
$sql = "insert into 表前缀_info_bak (id,表前缀,typeid,isget) values('$id','$sss','$typeid','$isget')";
mysql_query( $sql ) ;
echo $sql;
//exit;
$sqlu = "update 表前缀_info set isget=1 where id =".$rs['id'];
mysql_query( $sqlu );
}
echo '正在处理数据，当前为'.$s.'条．．．．．．';
}
else
{
echo '完成所有数据处理 再随机排序一次';
}
?>
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