测试批量插入mysql代码

<meta charset="utf-8" />
<h1>测试批量插入mysql</h1>
<?php
set_time_limit(0);
$st= microtime(true);

$con = mysql_connect("localhost","root","111");
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }

  mysql_select_db("test", $con);

mysql_query('SET UNIQUE_CHECKS=0',$con);
mysql_query('SET AUTOCOMMIT=0',$con);

for($i = 0; $i<1200; $i++) {
	$sql_v = '';
	$time1 = $time2 = date('Y-m-d H:i:s', time());

	$sql="INSERT INTO `table_name` (id, sss) VALUES";

	for($j=0; $j<1000; $j++) {
		$sql_v .= " (NULL, '111'),";
	}

	$sql = $sql.substr($sql_v, 0, -1).';';
	// echo $sql . "<br />";
	if (!mysql_query($sql,$con)) {
	  die('Error: ' . mysql_error());
	}
}
mysql_query('SET AUTOCOMMIT=1',$con);
mysql_query('SET UNIQUE_CHECKS=1',$con);
mysql_close($con);

$ex= microtime(true) - $st;
echo "<br />" . '时间:' . $ex. "<br />";
?>