本程序使用匿名类来设计记录鼠标的位置，当拖拽鼠标后在文本框中显示鼠标的位置，当鼠标离开窗口后在文本框中显示鼠标离开，

当鼠标进入窗口后在文本框中显示鼠标进入。-This program uses the anonymous class to design the record mouse position, when the mouse after dragging the mouse in the text box shows the location, when the mouse leaves the window display in the text box after the mouse left, when the mouse into the window display in the text box after the mouse access.