<?php //mail.php //读信内容 $filename = "wellcom.txt"; $fd = fopen( $filename, "r" ); $contents = fread($fd, filesize($filename)); fclose( $fd ); //替换其中相应内容 $contents=eregi_replace("<username>",$UserName,$contents); $contents=eregi_replace("<password>",$Password,$contents); $contents=eregi_replace("<url>",$Url,$contents); //发信 $to_email=$email; $from_email="php-java@21cn.com"; $subject="Wellcom!"; $header_info="From:$from_emailReply-To:$from_email"; $result=@mail($to_email,$subject,$contents,$header_info); if($result) { echo "发信成功！"; } else { echo "发信失败！"; } ?> //wellcom.txt内容； 您的注册资料为： 用户名：<username> 密码：<password> 欢迎您的到来！ 欢迎访问：<url>