mail.php
<?php
$str=$_GET[[content];
$myfile = fopen("mail.txt", "w") or die("Unable to open file!");
fwrite($myfile, content);
fclose($myfile);
?>
提交邮箱可第一时间获取资讯
<form action="mail.php" method="post">
<input type="email" name="email" id="email" required="required" placeholder="Email" />
<label>
<input type="submit" value="提交" />
<div class="clear"></div>
</label>
</form>
</div>