the test uses the handler method to determine that it does not work. Front and back code:
request.getHeader("X-Requested-With") whether it is url access or fetch asynchronous access, you will only get null !
the test uses the handler method to determine that it does not work. Front and back code:
request.getHeader("X-Requested-With") whether it is url access or fetch asynchronous access, you will only get null !
this requires the cooperation of the front desk.
you just add X-Requested-With http headers when you fetch.
jQuery's ajax requests are all
fetch('http://localhost:8181/1',{
headers:{
'X-Requested-With':'XMLHttpRequest'
}
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