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php备份mysql数据库源代码

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2016-06-21 08:58:191177browse

php备份mysql数据库源代码,应用时,请把前面系号去掉.

  1. $host="localhost";         
  2. $user="root";      
  3. $password="";        
  4. $dbname="";      
  5. mysql_connect($host,$user,$password);         
  6. mysql_select_db($dbname);       
  7. $mysql= "set charset utf8;rn";           
  8. $q1=mysql_query("show tables");           
  9. while($t=mysql_fetch_array($q1)){      
  10.     $table=$t[0];      
  11.     $q2=mysql_query("show create table `$table`");           
  12.     $sql=mysql_fetch_array($q2);       
  13.     $mysql.=$sql['Create Table'].";rnrn";       
  14.      
  15.     $q3=mysql_query("select * from `$table`");      
  16.     while($data=mysql_fetch_assoc($q3)){      
  17.         $keys=array_keys($data);      
  18.         $keys=array_map('addslashes',$keys);      
  19.         $keys=join('`,`',$keys);         
  20.         $keys="`".$keys."`";        
  21.         $vals=array_values($data);       
  22.         $vals=array_map('addslashes',$vals);        
  23.         $vals=join("','",$vals);       
  24.         $vals="'".$vals."'";      
  25.         $mysql.="insert into `$table`($keys) values($vals);rn";      
  26.     }      
  27.     $mysql.="rn";                   
  28. }      
  29. $filename=date('Ymj').".sql";         
  30. $fp = fopen($filename,'w');         
  31. fputs($fp,$mysql);           
  32. fclose($fp);           
  33. echo "数据备份成功,生成备份文件".$filename."";           



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