利用php怎么实现在线导入mysql大数据程序

<&#63;php
header("content-type:text/html;charset=utf-8");
error_reporting(E_ALL);
set_time_limit(0);
$file='./test.sql';
$data=file($file);

echo "<pre>";
//print_r($data);
$data_new=array();
$tmp=array();
foreach ($data as $line) {
   
  $line=trim($line);
  if(strlen($line)==0){
    continue;
  }
  if(substr($line,0,2)=='--'){
    continue;
  }
  if(substr($line,0,2)=='/*'){
    continue;
  }
  $tmp[]=$line;
  if(substr($line,-1)==';'){
    $query=implode('',$tmp);
    $tmp=array();
    $data_new[]=$query;
  }
}

$mysqli=new mysqli('localhost','root','root','test');
if($mysqli->connect_errno){
  exit('数据库连接失败！');
}
$mysqli->query("set names utf8");

$error=array();
foreach($data_new as $sql){
  $mysqli->query($sql);
  $r=$mysqli->error;
  if($r) $error[]=$r;
}
print_r($r);

/*

mysql>ALTER TABLE tbl2 DISABLE KEYS;
Query OK, 0 rows affected (0.00 sec)

mysql>INSERT INTO tbl2 SELECT * FROM tbl1;
Query OK, 2000000 row affected (36.30 sec)
Records: 2000000 Duplicates: 0 Warnings: 0

mysql>ALTER TABLE tbl2 ENABLE KEYS;
Query OK, 0 rows affected (44.55 sec)

*/

$rate_info = file("$table.txt"); 
print $n_s = chop($rate_info[0]); 
for($start=1;$start 
{ 
$value=""; 
for ($i=$start;$i<($start+$n_s-1);$i++) 
{ 
$tmp = str_replace("&&jimmy&&"," ",chop($rate_info[$i])); 
$value .= "'".addslashes($tmp)."',"; 
} 
$tmp = str_replace("&&jimmy&&"," ",chop($rate_info[$start+$n_s-1])); 
$value .= "'".$tmp."'"; 
$query = "insert into $table values (".$value.")"; 
print mysql_error(); 
mysql_query($query); 
print $start." "; 
} 
print "ostart"; 
&#63;>