php在线mysql大数据导入程序，mysql数据导入_PHP教程

php 在线 mysql 大数据导入程序，mysql数据导入

 1 php
 2 header("content-type:text/html;charset=utf-8");
 3 error_reporting(E_ALL);
 4 set_time_limit(0);
 5 $file='./test.sql';
 6 $data=file($file);
 7  
 8 echo "
";
 9 //print_r($data);
10 $data_new=array();
11 $tmp=array();
12 foreach ($data as $line) {
13      
14     $line=trim($line);
15     if(strlen($line)==0){
16         continue;
17     }
18     if(substr($line,0,2)=='--'){
19         continue;
20     }
21     if(substr($line,0,2)=='/*'){
22         continue;
23     }
24     $tmp[]=$line;
25     if(substr($line,-1)==';'){
26         $query=implode('',$tmp);
27         $tmp=array();
28         $data_new[]=$query;
29     }
30      
31 }
32  
33  
34  
35 $mysqli=new mysqli('localhost','root','root','test');
36 if($mysqli->connect_errno){
37     exit('数据库连接失败！');
38 }
39 $mysqli->query("set names utf8");
40  
41 $error=array();
42 foreach($data_new as $sql){
43     $mysqli->query($sql);
44     $r=$mysqli->error;
45     if($r) $error[]=$r;
46 }
47 print_r($r);
48  
49  
50 /*
51  
52  
53 mysql>ALTER TABLE tbl2 DISABLE KEYS;
54 Query OK, 0 rows affected (0.00 sec)
55  
56 mysql>INSERT INTO tbl2 SELECT * FROM tbl1;
57 Query OK, 2000000 row affected (36.30 sec)
58 Records: 2000000 Duplicates: 0 Warnings: 0
59  
60 mysql>ALTER TABLE tbl2 ENABLE KEYS;
61 Query OK, 0 rows affected (44.55 sec)
62  
63  
64 */

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。

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