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what is php routingJul 31, 2019 pm 04:14 PM
php

What is Route?

what is php routing

##Routing is the correspondence between the URL of the network request and the logical processing address of the thinkphp application layer. (Recommended learning: PHP video tutorial)

In layman’s terms: routing is to elegantly map the URL request to the operation method you want to perform.

The official document is defined like this=>

The function of routing is to simplify URL access addresses and make correct parsing based on the defined routing type.

Manual explanation: When we usually access our ThinkPHP project according to our habits, the regular url should be written like this, (local example) http://localhost/project name/public /index.php/Module name/Controller name/Method name

Why use routing?

Some people may blurt out: To simplify the path. Of course, this is one reason, but the reason is not that simple.

Simplifying the path is a big reason, because I thought the path was too long at first and ran over to open the route. But later in the process of using it, I found that the role of Route is not limited to simplifying the path. .

We can enable the forced use of routing, so that everyone can only come in from the route I defined. This has an advantage. If you write some scripts in some controllers that you do not want to give users access to, you can fully enable them. If routing is forced to be used, users cannot access these scripts. Otherwise, if users access these scripts and the scripts sometimes modify the database, it will be more dangerous.

Also, we can define whether the entry from this path is a get operation or a post operation, so that there will be no situation like before. A controller method can be accessed from get or post. Access is very messy. Of course, some people will say that it’s no big deal if both get and post can be accessed. In fact, distinguishing these methods is more helpful for embodying the idea of ​​Restful API.

Similarly, I won’t talk about the regulations of http and https.

At this point, do you think routing is a bit magical? It turns out that it can do so many things, so let’s study how to use it.

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