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HomeBackend DevelopmentPHP Tutorial一个简单的自动发送邮件系统(一)_php基础

一个简单的自动发送邮件系统
    php的另一个强大的特征就是他有能通过html的表单修改变量的能力,通过这些变量,我们可以实现很多任务,包括象:发送wed-based的邮件,把信息输出给屏幕,从数据库中读取和传递数据。下面让我们构建一个小型的自动发送邮件系统,来演示这个能力。
    让我们假设有这样一个html的表单:

--------------------------------------



Request for more information


Would you like more information about our company?







Your name:



Your email address:



I prefer:









--------------------------------------

把这个文件存为moreinfo.html

注意 action指向文件:email.php3  下面就是email.php3文件:

--------------------------------------


/* this script will handle the variables passed from the moreinfo.html file */
PRINT "
";PRINT "Hello, $name.";PRINT "

";
PRINT "Thank you for your interest.

";
PRINT "We will send information to $email, and have noted that you like $preference.";
PRINT "
";
?>

--------------------------------------

把上面的文件存为email.php3

   当用户在表单里键入他们的name和email,点击“send it!”按钮,表单就会调用email.php3文件,依次如下显示:(这里我们假设person'name  是bill, email地址是bgates@devshed.com ,选择了apples):

--------------------------------------
Hello, Bill.

Thank you for your interest.

We will send information to bgates@devshed.com, and have noted that you like Apples

--------------------------------------

    这样我们的工程还没有完成,由于我们不知道谁曾经插入了一些信息,也没有什么实质性的事情发生过,我们没有办法给bill发信。

    为了减少用手工发送标准email的负担,我们可以使用php的mail()命令。
    语法:void mail(string to, string subject, string message, string add_headers);  

   ·to---寄出电子邮件到指定的邮件地址
   ·subject 表示主题
   ·message 为信件内容
   ·additional_headers 可省略,表示其它的邮件文件头。

    因而,如果我们把这个命令插入到print语句之后,我们就可以自动的给用户和网站的斑竹发信了,让我们知道谁需要这些信息。

--------------------------------------


mail("$email", "Your request for information", "$namen
Thank you for your interest!nWe sell fresh corn daily over the Internet!
Place your order  at http://www.buycorn.com,
and receive a free package of $preference!");
mail("administration@buycorn.com",
"Visitor request for info.","$name requested for information.n
The email address is $email. n The visitor prefers $preference.");
?>

--------------------------------------

注意:mail()函数仅仅在SENDMAIL装在服务器上才可以使用,所以,在大多数情况下,使用前先确定是否可以使用。

     但是当有很多人填写了信息,作为管理人员,你不可能一一浏览信件,你可以用数据库来跟踪究竟有多少人选择apples,多少人选择了oranges?这样的数据库有很多种,其中最快之一的就是mysql。

     再下一篇文章中,我将给大家介绍如何将php和mysql结合起来使用。

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