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HomeBackend DevelopmentPHP Tutorial建立动态的WML站点_PHP

建立动态的WML站点_PHP

Jun 01, 2016 pm 12:29 PM
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支持WAP功能的移动电话越来越多了。因此,你也应该考虑一下建立自己的WML网站了,本文要介绍的是如何建立PHP/WML页面的站点,使用MySQL数据库,可动态更新站点的内容,具体例子是某个学院的教授授课时间和测验时间表。一点也不复杂哦 :-)
  在开始之前,你应该准备好以下东东:

  1.你已经正确安装好PHP和MySQL,并且有使用两者编程的经验。
  2.你有SQL的相关知识
  3.你运行的是Apache并且可写.haccess文件;或者你运行IIS并且你可以增加映射(或者你可以让系统管理员帮你的忙);
  4.你有WML的相关知识;

  好了,第一步首先让你的服务器知道使用PHP来处理WML文件,以下介绍如何做到这一点。

设置服务器

   如果你使用的是Apache,你必须在你的目录中找到一个.htaccess文件。然后,加入以下行:

    AddType application/x-httpd-php3 .wml

  如果你找不到该文件,可以加入一个,并且加入以上行,放在你的目录中。

  如果你使用的是IIS,你必须做一些改动,与安装PHP时差不多:看一下.php和.php3扩展名的映射,并且为.wml加入同样的映射处理。

  通常你会发现PHP被映射到:

   C:\php\php4isapi.dll

  或者

   C:\php\php.exe

准备工作

  如果你使用的是微软的操作系统,你可以安装NOKIA的开发工具包。它可以检查你的语法,并且让你通过一个类似电话的界面来预览WML页面,该工具包还带有关于WML和WML脚本的参考文档。如果你的电话没有WAP支持,或者你不能使用一个WAP网关,这可以帮上大忙哦。

  要下载这个工具,你首先必须以一个WAP开发者的身份在这个网站登记(http://www.forum.nokia.com/main/0,6668,1_1_4,00.html),要记住的是你需要Java2 Runtime Enviroment的支持(Java2运行环境的支持)。你可以使用任何的文本编辑器来写页面。

  在写任何PHP/WML代码前,你需要建好MySQL的表格。

  该数据库由4个表够成。

  1.professors表包括教授的相关数据;
  2.subjucts表包括主题的相关数据;
  3.exams表包括测验的相关数据;
  4.teach表包括教授和他们所授科目的关系信息

  在连接MySQL时,可通过以下的代码建立表格

CREATE TABLE professors (
Id int(11) DEFAULT '0' NOT NULL auto_increment,
Surname varchar(24) NOT NULL,
Name varchar(24) NOT NULL,
Email varchar(48) DEFAULT 'Not avaliable',
Cod_course varchar(16) DEFAULT 'Not avaliable',
Consulting_hour varchar(128) DEFAULT 'Not avaliable',
Consulting_place varchar(128) DEFAULT 'Not avaliable',
PRIMARY KEY (Id)
);

  这些语句建立了professors的表结构。ID为每个教授分配了一个唯一的识别号,而且是表的主键。其它字段,Surname, Name, Email用来表示每个教授的姓、名字和e-mail地址。Cod_course为唯一识别每个科目值。最后Consulting_hour和Consulting_place表示授课时间和授课的地点。


CREATE TABLE subjects (
Subject varchar(96) NOT NULL,
Cod_Subject varchar(24) NOT NULL,
Cod_number varchar(12) NOT NULL,
PRIMARY KEY (Cod_subject )
);

  Subject是科目的名字,Cod_subject是学院采用的代表每个科目的名字,它的值是唯一的,并且是这个表的主键。Cod_number是一个数字的字段,相同科目的不同课程都属于一个组,这个数字就是组的识别号。

CREATE TABLE exams (
Cod_Subject varchar(24) NOT NULL,
Id int(11) NOT NULL,
Date date DEFAULT '0000-00-00',
Time time DEFAULT '00:00:00',
Room varchar(64),
Test varchar(16) DEFAULT 'Oral'
);

  Cod_subject指学院采用的代表每个科目的名字,是唯一的,ID是教授的唯一识别号,Date, Time和Room用来记录测验举行的日期、时间和地点,Test用来表示测验的类型(包括书面、口头等)

CREATE TABLE teach (
Cod_Subject varchar(16) NOT NULL,
Id int(11) DEFAULT '0' NOT NULL,
PRIMARY KEY (Id, Cod_subject )
);

  在teach表中,ID是教授的识别号,Cod_Subject的含义同上,两者构成了该表的主键。

  下一步是在数据库中填入一些数据,这步可以自行完成。

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