说明：  这个好啊,输入任何一个字母。就能早点改字母对应的ascll码。16进制等等信息，还有键盘事件/我靠，太好了
(The good, enter any one letter. Can change the letter corresponding to the ascll earlier code. 16 hexadecimal, and so forth, there are keyboard events/I rely on, good)