php 在线 mysql 大数据导入程序

 1 <?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)

 */

适用情况：phpmyadmin导出的sql文件过大，无法导入到线上phpmyadmin中

把该程序和sql文件上传到空间中，用完后删除即可。