<!--Ajax submission script-->
<script>
$(function(){
//Add a click event to the login button
$("#login ").on('click',function(event){
$.ajax({
type:"POST", //The delivery method is POST
url:"{:url('checkLogin ')}", //Set the address of the script file for submitting data processing
           data:$("form").serialize(), // //Serialize the current form data before submitting it
                                                                                                                                                                    ', //Set the type of submitted data to json
                                                                                                                                              ;
})
})
</script>