开发环境：cocos2dx 3.17
开发语言：lua
这里用lua实现对键盘的监听

下面直接上代码吧

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local function keyboardPressed(KeyCode,event)
        print(KeyCode)
    end
    local function keyboardReleased(KeyCode,event)
    end
    local listener = cc.EventListenerKeyboard:create()  
    listener:registerScriptHandler(keyboardPressed, cc.Handler.EVENT_KEYBOARD_PRESSED)  
    listener:registerScriptHandler(keyboardReleased, cc.Handler.EVENT_KEYBOARD_RELEASED)  
    local eventDispatcher = self:getEventDispatcher()  
    eventDispatcher:addEventListenerWithSceneGraphPriority(listener,self)