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php的文件读取跟写入似乎对未知格式的文件不管用

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Release: 2016-06-13 12:14:04
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php的文件读取和写入似乎对未知格式的文件不管用

<br /><?php<br />$file="宋1.mp3.part1";<br />$file1="宋2.mp3.part1";<br />$file2="宋3.mp3.part1";<br />$fp = fopen($file, "a");<br />$fp1 = fopen($file1, "r");<br />$fp2 = fopen($file2, "r");<br />// if(!$fp1) echo "aa";<br />// return;<br />//fseek(fp, 0, SEEK_END);<br />$index=0;<br /> while(!feof($fp1)){//测试文件指针是否到了文件结束的位置 <br />        $content=fread($fp1,10); <br />        if(fwrite($fp,$content)==false)<br />		echo "不能写入到文件 $filename"; <br />		$index++;<br />		echo $index;<br />    } <br />	$index=0;<br />	while(!feof($fp2)){//测试文件指针是否到了文件结束的位置 <br />        $content=fread($fp2,10); <br />        fwrite($fp,$content); <br />			$index++;<br />		echo $index;<br />    } <br />    fclose($fp);  <br />    fclose($fp1); <br />    fclose($fp2); <br />	rename ($file, "a.mp3"); <br />	echo "ok";<br />?><br />
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我想合并分割的文件,可是一直提示写入不能写入到文件,把文件名改为txt格式的就可以成功
------解决思路----------------------
中文问题吧
<br />$str="宋1.txt";<br />$str=iconv("utf-8", "GBK", $str);//注释掉就会失败<br />$fp = fopen($str, "a");<br />if(fwrite($fp,"losasds")!==false) echo "ok";<br />else echo "fail";<br />fclose($fp);<br />
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------解决思路----------------------
二进制文件要用二进制方式打开,即模式中要有 b

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