ip地址转换

string ipAddress ="192.128.128.128"; string[] ary= ipAddress.Split(‘.’); UInt32 ipNumber = 0; for(int i=0;i<4;i++) { ipNumber += UInt32.Parse(ary[i]) << (3 – i) * 8; Console.WriteLine("ipAddress to Number:"+ipNumber); } Console.WriteLine("ipAddress to Number:"+ipNumber); string[] ipAry = new string[4]; UInt32 temp = ipNumber; for (int i = 3; i >= 0; i–) { ipAry [3-i]= (temp >> (i * 8)).ToString(); temp -= (temp >> (i * 8))<<(i*8); Console.WriteLine(ipAry[3-i]); } Console.WriteLine(string.Join(".", ipAry)); Console.Read(); <无> .CodeEntity .code_pieces ul.piece_anchor{width:25px;position:absolute;top:25px;left:-30px;z-index:1000;}.CodeEntity .code_pieces ul.piece_anchor li{width:25px;background: #efe;margin-bottom:2px;}.CodeEntity .code_pieces ul.piece_anchor li{border-left:3px #40AA63 solid;border-right:3px #efe solid;}.CodeEntity .code_pieces ul.piece_anchor li:hover{border-right:3px #40AA63 solid;border-left:3px #efe solid;}.CodeEntity .code_pieces ul.piece_anchor li a{color: #333;padding: 3px 10px;}.CodeEntity .code_pieces .jump_to_code{visibility:hidden;position:relative;}.CodeEntity .code_pieces .code_piece:hover .jump_to_code{visibility:visible;}.CodeEntity .code_pieces .code_piece:hover .jump_to_code a{text-decoration:none;}.CodeEntity .code_pieces h2 i{float:right;font-style:normal;font-weight:normal;}.CodeEntity .code_pieces h2 i a{font-size:9pt;background: #FFFFFF;color:#00A;padding: 2px 5px;text-decoration:none;}