一个可以看现在计算机上有那些端口已经被打开的程序。利用了Windows提供的IPHelpApi.DLL提供的输出函数来实现端口监视功能。非常小非常cool！！！特有用-One can see now the computer which port has been open procedures. Use of Windows provided IPHelpApi.DLL provided by port output function to achieve the surveillance function. Very small very cool! ! ! Unique