php简单的分表

<?php

//创建数据库执行一次即可！
$i=0;
while($i<=99){
$sql="CREATE TABLE `code_".$i."` (
`full_code` char(10) NOT NULL,
`create_time` int(10) unsigned NOT NULL,
PRIMARY KEY (`full_code`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8";
$res = mysql_query($sql);

$i++; 
}

$conn = mysql_connect(‘localhost‘,‘root‘,‘‘); mysql_select_db(‘ab‘);

	

function insert($id){
	$code_id = $id % 100;
	$db_name = ‘code_‘.$code_id;
	$sql = ‘INSERT INTO ‘.$db_name.‘ VALUE (‘.$code_id.rand(1,9).‘,‘.time().‘)‘;
	$res = mysql_query($sql);
	if($res){
		echo $code_id;
	}else{
		echo $sql."\n";
		echo ‘fail:‘.$id;
	}
}
for($i=0;$i<200;$i++){
$id =  rand(1,10000);
insert($id);
}