该程序通过利用WinPcap提供的函数pcap_loop（pcap_t* p,int cnt,pcap_handle dispatch_handle,u_char* user）将数据包捕获。并在dispatch_handle（u_char *,const pcap_pkthdr *header,const u_char *pkt_data）中通过编写代码实现解析。-The program provided through the use of WinPcap function pca