vue@input@keyupinput,,,,
@ keyup= "$event.target.value = $event.target.value.substring (0, $event.target.value.indexOf (".") + 3)"
I wrote this, but there is a problem with this, that is, you can only enter a maximum of two decimal places before and after the decimal point. Ask for advice
$event.target.value=$event.target.value.substring (0, $event.target.value.indexOf ('.') >-1? $event.target.value.indexOf ('.') + 3: $event.target.value.length) "
$event.target.value=$ event.target.value.match (/ ^\ d + (\.?\ d {0jue 2}) /) [0] | | null
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