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書名： CodeIgniter Web Application Blueprints
作者名： Rob Foster
本章字數： 290字
更新時間： 2021-08-06 19:34:29

Adjusting the routes.php file

We want short URLs—in fact the shorter the better. The user clicking on a URL would be better served if the URL were as short as possible; for that reason, it would be a good idea if we removed certain things from the URL to make it shorter—for example, the controller name and function name. We will use CodeIgniter's routing functionality to achieve this. This can be done as follows:

Open the config/routes.php file for editing and find the following lines (near the bottom of the file):
```
$route['default_controller'] = "welcome";
$route['404_override'] = '';
```
Firstly, we need to change the default controller. Initially, in a CodeIgniter application, the default controller is set to welcome. However, we don't need that; instead we want the default controller to be create. So, consider the following line:
```
$route['default_controller'] = "welcome";
```
Replace it with the following code:
```
$route['default_controller'] = "create";
```
We will also need to set up a route rule for the go controller. We will need to remove the controller and function names (usually the first and second parameters in the URI). The following are two lines of code (highlighted in bold); add these two lines below the 404_override route, so that the file now looks like the following:
```
$route['default_controller'] = "create";
$route['404_override'] = '';

$route['create'] = "create/index";
$route['(:any)'] = "go/index";
```

Now, the eagle-eyed among you will have looked at that last line and seen the (:any) type; some of you may have wondered what all that was about.

CodeIgniter supports a simple type of regex that makes routing for unknown URLs much easier. The (:any) type says to CodeIgniter that any URI pattern not otherwise defined (we're also defining create) is to be routed to go/index.

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CodeIgniter Web Application Blueprints

Adjusting the routes.php file