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Editor to share with you how to use the a method in thinkphp, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

The a method in thinkphp is used to instantiate the controller internally, calling in the format "A ('[project: / /] [grouping /] module', 'controller layer name')", using methods such as "$User = A ('User');".

This article operating environment: Windows7 system, thinkphp v5.1, Dell G3 computer.

Detailed explanation of ThinkPHP function: method A

The A method is used to instantiate the controller internally, calling the format:

A ('[project: / /] [grouping /] module', 'controller layer name')

The simplest usage:

$User = A ('User')

Represents the UserAction controller that instantiates the current project (the corresponding file for this controller is located in Lib/Action/UserAction.class.php), if you are in grouping mode and you want to instantiate another Admin packet, you can use:

$User = A ('Admin/User')

Cross-project instantiation is also supported (project directories should be kept at the same level)

$User = A ('Admin://User')

Represents the UserAction controller under the instantiated Admin project

Version 3.1 adds support for hierarchical controllers, so you can also instantiate other controllers using the A method, such as:

$User = A ('User','Event)

Instantiate the UserEvent controller (the corresponding file is located in Lib/Event/UserEvent.class.php).

After instantiating the controller, you can call the methods in the controller, but it should be noted that in the case of cross-project calls, if your operation method has special variable operations for the current controller, there will be some unknown problems, so, in general, officials recommend that the controller layer of public calls should be developed separately and do not have too many dependencies.

The above is all the content of the article "how to use method an in thinkphp". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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