从服务器中获取的是二进制的IP地址,需要以IP地址的形式显示
function tools.getStrIpByInt32(int32)
return string.format("%d.%d.%d.%d", bit._and(int32, 0xff), bit._and(bit._rshift(int32, 8),
0xff), bit._and(bit._rshift(int32, 16), 0xff), bit._and(bit._rshift(int32, 24), 0xff))
end