How thinkphp passes GET parameters

In ThinkPHP, we can use URL addresses to pass parameters. The ThinkPHP framework will automatically parse the parameters in the URL address and pass them to the corresponding controllers and methods.

For example, our URL address is: http://localhost/index.php/Index/index?id=1&name=thinkphp, where id=1 and name=thinkphp are the parameters passed. In the controller, we can use the $this->request->param() method to get the parameters passed in the URL address. For example:

public function index()
{
    $id = $this->request->param('id');
    $name = $this->request->param('name');
    echo 'ID=' . $id . ', Name=' . $name;
}

In this way, when we access the above URL address, the controller will output: ID=1, Name=thinkphp.

In addition to passing parameters through URL addresses, we can also use forms to pass parameters. In the HTML form, we can use the name attribute to identify the parameters that need to be passed, and in the controller, we can also use the $this->request->param() method to get the parameters passed in the form.

For example, in an HTML form, we need to pass the id and name parameters. Then you can write HTML code like this:

In the controller, we can also use the $this->request->param() method to get the parameters passed in the form. For example:

public function index()
{
    $id = $this->request->param('id');
    $name = $this->request->param('name');
    echo 'ID=' . $id . ', Name=' . $name;
}

In this way, when we submit the form, the controller will also output: ID=1, Name= thinkphp.

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