说明：  这是我课程设计的一个程序,程序监听信道上所有以太帧,解析以太帧的内容,对各帧输出监听到帧的时间以及帧各字段的值
(This is my curriculum design a procedure is all eavesdropping channel Ethernet frames, analytic Ethernet frames, the output of the frame to monitor the time frame and the frame of the field's value)