## 分割代码： $i = 0; //分割的块编号 $fp = fopen("hadoop.sql","rb"); //要分割的文件 $file = fopen("split_hash.txt","a"); //记录分割的信息的文本文件 while(!feof($fp)){ $handle = fopen("hadoop.{$i}.sql","wb"); fwrite($handle,fread($fp,5242880));//切割的块大小 5m fwrite($file,"hadoop.{$i}.sql\r\n"); fclose($handle); unset($handle); $i++; } fclose ($fp); fclose ($file); echo "ok"; ## 合拼代码 $hash = file_get_contents("split_hash.txt"); //读取分割文件的信息 $list = explode("\r\n",$hash); $fp = fopen("hadoop2.sql","ab"); //合并后的文件名 foreach($list as $value){ if(!empty($value)) { $handle = fopen($value,"rb"); fwrite($fp,fread($handle,filesize($value))); fclose($handle); unset($handle); } } fclose($fp); echo "ok";