function _M.ipToInt( str ) local num = 0 if str and type(str)=="string" then local o1,o2,o3,o4 = str:match("(%d+)%.(%d+)%.(%d+)%.(%d+)" ) num = 2^24*o1 + 2^16*o2 + 2^8*o3 + o4 end return num end -- inter to ip function _M.intToIp( n ) if n then n = tonumber(n) local n1 = math.floor(n / (2^24)) local n2 = math.floor((n - n1*(2^24)) / (2^16)) local n3 = math.floor((n - n1*(2^24) - n2*(2^16)) / (2^8)) local n4 = math.floor((n - n1*(2^24) - n2*(2^16) - n3*(2^8))) return n1.."."..n2.."."..n3.."."..n4 end return "0.0.0.0" end
转载于:https://my.oschina.net/ahuaahua/blog/1596110