Questions about form action in thinkPHP

Question about form action in thinkPHP: how should I write the form action in thinkPHP? My project name is reg, the HTML file is search.html, and the corresponding php file is Search. class. php. Class: form action in Search & nbs thinkPHP
In thinkPHP, how should I write the form action? My project name is reg, the HTML file is search.html, and the corresponding php file is Search. class. php. The class is Search and the method is search (). Action = "{: U ('Reg/Search/Search')}" is this correct? Which of the following is the correct thinkphp form action form to share:
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Your php file name should be SearchAction. class. php!