react修改input值

function changeReactInputValue(inputDom,newText){

let lastValue = inputDom.value;

inputDom.value = newText;

let event = new Event('input', { bubbles: true });

event.simulated = true;

let tracker = inputDom._valueTracker;

if (tracker) {

  tracker.setValue(lastValue);

}

inputDom.dispatchEvent(event);

}