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php 读取文件内容与向文件写入数据

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Release: 2016-06-13 11:17:38
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php 读取文件内容与向文件写入数据这里主要是讲一行行写数据到文件,也一行行读出文件的内容。  

php教程 读取文件内容与向文件写入数据
这里主要是讲一行行写数据到文件,也一行行读出文件的内容。
*/

$fp = fopen($_server['document_root']."/../data/info.dat",'r');

if(!$fp)
{
    echo "error: 打开文件错误,请检查目录是否正确,或稍后再试!";
    exit;
}

while(!feof($fp))
{
    $line = fgets($fp);
    echo $line;
    echo '
';
}

fclose($fp);

//写文件

$file = "data.txt";
$content = "内容标题rnwww.bkjia.comrn内容第二行";    //要写入的内容

if(!$fp = fopen($file,'a'))                           //打开文件$file时,使用追加模式,此时文件指针会在文件开始处
{
    echo "打开文件$file失败!";
    exit;
}

if(fwrite($fp,$content) === false)                    //将内容写入文件
{
    echo "写入文件失败!";
    exit;
}

echo "写入文件成功!";
fclose($fp);


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