tpphp What to do if a form submits multiple data that needs to be looped

tpphp a form submits multiple loops of data how to handle

Just like there are three data that need to be submitted, one-time may have many or a, backstage how to deal with it?
There is only one form
Is the data in a form, or does it require a single data form?
------to solve the idea----------------------

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         URL: "Index.php?g=home&m=index&a=actchoice&json=1",
         
         Type: ' POST ',
         Success:function (Result) {
         Jdialog.alert (result);
         }});

Server
$_post[' Choice '];//so receive

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