<?php
/**
  * 从两个.csv 文件中读出数据
  * 比较这两个文件不同的数据，并存入.csv 文件中
  */
class Readfiledata {
	private function __construct() {
	}
	/**
	 * 读文件并获取数据
	 */
	private static function getdata($file) {
		$handle = fopen ( $file, 'r' );
		$orderform = array ();
		$i=0;
		while ( false != ($data = fgetcsv ( $handle,0,',' )) ) {
			$i++;
			if($i==1) continue;
			$orderform [] =trim($data [0],'`');
		}
		fclose ( $handle );
		return $orderform;
	}
	/**
	 * 获取两个文件不同的数据
	 *
	 * @param String $file1        	
	 * @param String $file2        	
	 */
	private static function getdiffdata($file1, $file2) {
		$orderform = self::getdata ( $file1 );
		$orderform2 = self::getdata ( $file2 );
		$diff1 = array_diff ( $orderform, $orderform2 );
		$diff2 = array_diff ( $orderform2, $orderform );
		$todiff = array_merge ( $diff1, $diff2 );
		$todif=array_unique($todiff);
		return $todif;
	}
	/**
	 * 数据写入.csv 文件中
	 *
	 * @param String $filename        	
	 * @param String $file1        	
	 * @param String $file2        	
	 */
	private static function writefile($filename, $file1, $file2) {
		$todiffdata = self::getdiffdata ( $file1, $file2 );
		$partdata=array();
		foreach ($todiffdata as $val){
			$partdata=array($val);
			$newarray[]=$partdata;
		} 
		if (! is_file ( "/tmp/$filename" )) {
			  //  unlink( "/tmp/$filename");
		    	touch ( "/tmp/$filename");
		}
		$handle = fopen ( "/tmp/$filename", 'w' );
		foreach($newarray as $value){
		  fputcsv ( $handle, $value );
		}
		fclose ( $handle );
	}
	
	/**
	 * 入口文件
	 */
	public static function main($filename, $file1, $file2) {
		self::writefile ( $filename, $file1, $file2 );
	}
}

$filename = 'total.csv';
$file1 = 'ac.csv';
$file2 = 'ad.csv';
Readfiledata::main ($filename, $file1, $file2 );