模拟键盘输入，类似window输入法自带的那个模拟键盘，自己可以用鼠标输入

模拟键盘输入，类似window输入法自带的那个模拟键盘，自己可以用鼠标输入-Simulation of keyboard input, similar to window input method that comes with analog keyboards, they can use the mouse to enter