这篇文章主要介绍了ThinkPHP3.1.2模块和操作映射,需要的朋友可以参考下
模板和操作映射功能是ThinkPHP3.1.2版本支持的对模块和操作设置的映射机制,由于可以通过改变配置动态改变(实际真正改变,并非别名)URL访问地址,加强了应用的安全性,而且,映射机制具有URL不区分大小写访问的特性,对于应用的迁移也有很大的帮助。
因为,普通情况下,如果需要更改URL的模块或者操作访问的话,需要改动的文件较多,容易导致关联性出错。尤其是很多应用需要迁移到新版本的时候,由于模型和控制器改动较多,导致URL地址出现大的调整,通过模块和操作映射功能,就可以很轻松的解决此类问题。
1.模块映射
要定义模块映射,我们只需要在配置文件中定义:
'URL_MODULE_MAP'=>array( 'user' => 'Member', 'blog' => 'Info', )
URL_MODULE_MAP是一个数组,每个数组项表示:
'模块映射名'=>'实际模块名'
映射名称不区分大小写,所以设置后,URL访问从原来的:
变成了:
并且原来的访问URL是失效的,这也是和定义路由方式改变URL的区别之一。没有定义映射的模块访问不变。
定义了模块映射后,可以通过MODULE_ALIAS常量读取当前模块的URL名称。
2.操作映射
不仅是模块名称可以映射,操作名称也支持映射,而且是针对模块来设置的,操作映射的定义方式为:
'URL_ACTION_MAP'=>array( 'Member' => array( 'register' => 'add', ), 'Info' => array( 'list' => 'index' ), )
URL_ACTION_MAP参数是一个二维数组,每个数组项表示:
'实际模块名'=>array( '操作映射名1'=>'实际操作名1' '操作映射名2'=>'实际操作名2' ...... )
操作映射名不区分大小写,,如上定义后,URL访问从
变成了(不考虑前面定义的模块映射):
同样,原来的URL地址访问则失效。没有定义映射的操作访问地址不变。
定义了操作映射后,可以通过ACTION_ALIAS常量读取当前操作在URL地址中的操作名。
操作映射和模块映射可以同时定义,没有影响,例如:
'URL_MODULE_MAP'=>array( 'user' => 'Member', ), 'URL_ACTION_MAP'=>array( 'Member' => array( 'register888' => 'add', ), )
则,原来的注册地址
变成了
3.U函数自动支持
可能很多人会担心,在设置了模块和操作映射后,U函数就会出现需要随之改动的情况。其实不需要担心,因为U函数内部已经自动支持了模块和操作映射的情况。
例如,原来在模板文件中使用了
无论如何定义Member模块和add操作的映射,U方法的写法始终保持不变,仍然会正确的指向映射后的URL地址。
总结:
模块和操作映射可以用于如下场合:
1、有经常变化URL需要的场合
2、对URL安全性较高的场合
3、需要移植的应用不希望改变URL地址的场合
需要注意的事项:
在使用了模块和操作映射后,对相关URL地址的路由定义可能需要调整。

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