Form form submission, background how to get the value of select? You can get it directly from the background, just like the input method.

Form form submission, background how to get the value of select.

The background is directly obtained, and the background to get input value in the same way.

After the form is submitted, the background is directly based on the name of select, which is Getpara ("XXX"), which is the value of the option chosen.

Principle of execution: form submission, the browser according to "Select the name = Selected option" In the form of the HTTP URL in the request message (this is the browser provides the function, that is, the browser is responsible for the completion), so the background directly to get it, The same way you get the value of input.

I randomly captured a request message for an HTTP URL for a project:

Verify that I am right.