本程序在上个圆形放大镜的程序基础上，完成来射击的功能，也就是当用户选择屏幕上一个茶壶，然后点击左键，屏幕上被选择的茶壶将会被击中，并且消失。-This procedure in the last round magnifying glass on the basis of the procedures to complete the function to shooting, which is on the screen when the user selects a teapot, then