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IP地址转换.html
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<!DOCTYPE html>
<!-- saved from url=(0042)http://redmark.site/tools/ip_converter.htm -->
<html><head><meta http-equiv="Content-Type" content="text/html; charset=GBK">
<title>IP地址转换</title>
</head>
<body>
<div class="xnews-con">
<h1>IP地址转换</h1>
<div class="container">
<div class="main">
<div class="news-right">
<table style="WIDTH: 100%">
<tbody>
<tr>
<td width="100%" valign="top">
<div id="cont_right_calc">
<script type="text/javascript">
function ipcon(){
var ipv = document.getElementById("inp1").value;
if(ipv == ''){
document.getElementById("error1").innerHTML = '无效的IP地址';
return false;
}else{
var ar = ipv.split(".");
var decm = parseInt(ar[0])*256*256*256+parseInt(ar[1])*256*256+parseInt(ar[2])*256+parseInt(ar[3]);
var hex = parseInt(decm).toString(16).toUpperCase();
var binary = parseInt(decm).toString(2).toUpperCase();
//decm = parseInt(decm)+1;
document.getElementById("res").innerHTML = '十六进制 = '+hex+'<br> 十进制 = '+decm+"<br> 二进制 = "+binary;
}
}
function hex(){
var ipv = document.getElementById("inp2").value;
ipv = ipv.toUpperCase();
if(ishex(ipv)){
ipv = parseInt(ipv,16)
var b = new Array();
b[0] =0;
b[1] =0;
b[2] =0;
b[3] =0;
var c = 16777216.0;
for (var i = 0; i < 4; i++) {
var k = parseInt(ipv / c);
ipv -= c * k;
b[i]= k;
c = c/256.0;
}
d=b[0]+'.'+b[1]+'.'+b[2]+'.'+b[3];
document.getElementById("res2").innerHTML = "IP = "+d;
}else{
document.getElementById("error2").innerHTML = '无效的十六进制值';
return false;
}
}
function decimal(){
var ipv = parseInt(document.getElementById("inp3").value);
if ((/[^0-9]/g.test(ipv)) ==false|| ipv != "") {
var b = new Array();
b[0] =0;
b[1] =0;
b[2] =0;
b[3] =0;
var c = 16777216.0;
for (var i = 0; i < 4; i++) {
var k = parseInt(ipv / c);
ipv -= c * k;
b[i]= k;
c = c/256.0;
}
d=b[0]+'.'+b[1]+'.'+b[2]+'.'+b[3];
document.getElementById("res3").innerHTML = "IP = "+d;
}else{
document.getElementById("error3").innerHTML = '无效的十进制值';
return false;
}
}
function ishex(num){
var validChar='0123456789ABCDEF';
var flag=true;
var x=num.toUpperCase();
for(idx=0;idx<x.length;idx++){
if(validChar.indexOf(x.charAt(idx))<0){
return false;
}
}
return true;
}
</script>
<table width="100%" height="521">
<tbody>
<tr>
<td>
<div id="input">
<table style="MARGIN: 0px; WIDTH: 100%">
<tbody>
<tr>
<td id="title" colspan="2" valign="top" bgcolor="#ECFFF5" align="center">
<h3>IP地址转换到十六进制，十进制，二进制地址</h3></td></tr>
<tr>
<td width="70" valign="top" bgcolor="#ECFFF5"><label>IP地址</label></td>
<td bgcolor="#ECFFF5"><input id="inp1" value="" type="text"> </td></tr>
<tr>
<td bgcolor="#ECFFF5" align="center"></td>
<td bgcolor="#ECFFF5"><button onclick="ipcon()" type="button">转换</button></td></tr>
<tr>
<td></td>
<td id="res" width="314"></td></tr></tbody></table><br>
<table style="MARGIN: 0px; WIDTH: 100%">
<tbody>
<tr>
<td id="title" colspan="2" valign="top" bgcolor="#E6F2FF" align="center">
<h3>十六进制转换为IP地址</h3></td></tr>
<tr>
<td width="70" valign="top" bgcolor="#E6F2FF">16进制</td>
<td bgcolor="#E6F2FF"><input id="inp2" type="text"> </td></tr>
<tr>
<td bgcolor="#E6F2FF" align="center">
</td>
<td bgcolor="#E6F2FF"><button onclick="hex()" type="button">转换</button></td></tr>
<tr>
<td></td>
<td id="res2"></td></tr></tbody></table><br>
<table style="MARGIN: 0px; WIDTH: 100%">
<tbody>
<tr>
<td id="title" colspan="2" valign="top" bgcolor="#FFE6E6" align="center">
<h3>十进制转成IP地址</h3>
</td></tr>
<tr>
<td width="70" valign="top" bgcolor="#FFE6E6">10进制</td>
<td bgcolor="#FFE6E6"><input id="inp3" type="text"> </td></tr>
<tr>
<td bgcolor="#FFE6E6" align="center"></td>
<td bgcolor="#FFE6E6"><button onclick="decimal()" type="button">转换</button></td></tr>
<tr>
<td></td>
<td id="res3"></td></tr></tbody></table></div></td></tr>
</tbody></table></div></td></tr>
</tbody></table>
</div>
</div>
</div>
</div>
<!--评论开始-->
</body></html>