HTA编辑HOST文件的脚本

<HTML>
<HEAD>
<TITLE>HOSTS 文件编辑器</TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta http-equiv="Content-Language" content="zh-CN">
<HTA:APPLICATION ID="hostedit"
APPLICATIONNAME="hostedit"
BORDER="thick"
BORDERSTYLE="normal"
CAPTION="yes"
ICON="C:WINDOWSsystem32rasphone.exe" 
MAXIMIZEBUTTON="yes"
MINIMIZEBUTTON="yes"
SHOWINTASKBAR="yes"
SINGLEINSTANCE="yes"
SYSMENU="yes"
VERSION="1.0"
WINDOWSTATE="normal" />
<script language="JScript">
window.onerror = function ()
{
    window.alert("程序发生了未知错误,当前窗口将被关闭!");
    window.close();
    return true;
}
var windowW=450;    //窗体宽
var windowH=200;    //窗体高
var canresize=false;//是否可以改变大小
var windowW2=windowW;//编辑时窗体宽
var windowH2=200;//编辑时窗体高
window.resizeTo(windowW,windowH);
//window.moveTo((screen.width-windowW)/2,(screen.height-windowH)/2);
window.onresize=function(){if(!canresize)window.resizeTo(windowW,windowH);}
function init()
{
    var ui_table = document.getElementById('UI_TABLE');
    var bestHeight = 70+ui_table.scrollHeight;
    if(bestHeight > screen.height) bestHeight = screen.height;
    window.resizeTo(windowW, bestHeight);
    //window.moveTo((screen.width-windowW)/2,(screen.height-bestHeight)/2);
}
var hostfile = 'driversetchosts';
function getlist(){
    var html='';
    var ids='';
    var i=1;
    FSO = new ActiveXObject("Scripting.FileSystemObject");
    var spath = FSO.GetSpecialFolder(1)+hostfile;
    host = FSO.OpenTextFile(spath, 1, false);
    while(!host.AtEndOfStream){
         tmp = host.ReadLine();
         if(/^#?d{1,3}.d{1,3}.d{1,3}.d{1,3}s+([a-zA-Z0-9-]+.[a-zA-Z0-9-]+(.(com|net|org|edu|info|biz|cc|tv|gov|mobi|name|cn|en|us|hk|tw))+)$/.test(tmp))
         {
        as=tmp.replace(/s+/,'|:|').split('|:|');
        ids+='['+i+'],';
        if(/^#/.test(as[0])){
            zt = '外网';
            ip = as[0].replace(/^#/,'');
            co = '#eee!important';
            cz = '<a href="#" style="color:red;" onclick="zh('+i+',0);">切本地</a> | <a href="#" style="color:red;" onclick="ed(this,'+i+');">编辑</a> | <a href="#" style="color:red;" onclick="zh('+i+',2);">删除</a>';

        }else{
            zt = '本地';
            ip = as[0];
            co = '#fff!important';
            cz = '<a href="#" onclick="zh('+i+',1);">切外网</a> | <a href="#" style="color:red;" onclick="ed(this, '+i+');">编辑</a> | <a href="#" style="color:red;" onclick="zh('+i+',2);">删除</a>';    
        }

            html += '<tr><td style="background:'+co+';">'+zt+'</td><td style="background:'+co+';text-align:left;text-indent:6px;">'+as[1]+'</td><td style="text-align:left;text-indent:6px;background:'+co+';">'+ip+'</td><td style="background:'+co+';">'+cz+'</td></tr>';
        }
        i++;
    }
    var o=document.getElementById('ids');
    o.value=ids;
    host.Close();
    return html;
}

function ed(eo, iId){    
    document.getElementById('editId').value=iId;
    document.getElementById('pIP').value=eo.parentElement.parentElement.children[2].innerText;
    document.getElementById('pURL').value=eo.parentElement.parentElement.children[1].innerText;
    document.getElementById('addButt').style.display='none';
    document.getElementById('editButt').style.display='inline';
    document.getElementById('HostList').style.display='none';
    document.getElementById('addHost').style.display='block';
    window.resizeTo(windowW2,windowH2);
}

function edits(sIp, sUrl){
    var oi=document.getElementById(sIp);
    var ou=document.getElementById(sUrl);
    if(oi.value=='' || /^d{1,3}.d{1,3}.d{1,3}.d{1,3}$/.test(oi.value)==false) {
        alert('IP地址不能为空或你输入的IP格式错误.');
        oi.focus();
        return;
    }
    if(ou.value=='' || /^[a-zA-Z0-9-]+.[a-zA-Z0-9-]+(.(com|net|org|edu|info|biz|cc|tv|gov|mobi|name|cn|en|us|hk|tw))+$/.test(ou.value)==false) {
        alert('域名不能为空或你输入的域名格式错误.');
        ou.focus();
        return;
    }
    var iId = document.getElementById('editId').value;
    var body='';
    var i=1;
    FSO = new ActiveXObject("Scripting.FileSystemObject");
    var spath = FSO.GetSpecialFolder(1)+hostfile;    
    host = FSO.OpenTextFile(spath, 1, false);
    while(!host.AtEndOfStream){
        tmp = host.ReadLine();
        if(i==iId)
        {
            body+=oi.value+"t"+ou.value+"n";
        }
        else{
            body+=tmp+"n";
        }
        i++;
    }
    host.close();
    svf = FSO.OpenTextFile(spath, 2, false);
    svf.Write(body);
    svf.close();
    window.location.reload();
}

function zh(irs,stype)
{
    var body='';
    var i=1;
    FSO = new ActiveXObject("Scripting.FileSystemObject");
    var spath = FSO.GetSpecialFolder(1)+hostfile;    
    host = FSO.OpenTextFile(spath, 1, false);
    while(!host.AtEndOfStream){
        tmp = host.ReadLine();
        if(i==irs)
        {
            if(stype==0){
                body+=tmp.replace(/^#/,'');
                body+="n";
            }else if(stype==1){
                if(/^#/.test(tmp)){
                    body+=tmp+"n";
                }else{
                    body+='#'+tmp +"n";
                }
            }else{

            }
        }
        else{
            body+=tmp+"n";
        }
        i++;
    }
    host.close();
    svf = FSO.OpenTextFile(spath, 2, false);
    svf.Write(body);
    svf.close();
    window.location.reload();
}

function zhall(stype)
{
    var body='';
    var i=1;
    var ids1=document.getElementById("ids").value;
    if(ids1=='') return;
    FSO = new ActiveXObject("Scripting.FileSystemObject");
    var spath = FSO.GetSpecialFolder(1)+hostfile;    
    host = FSO.OpenTextFile(spath, 1, false);
    while(!host.AtEndOfStream){
        tmp = host.ReadLine();
        if(stype==0 && ids1.indexOf('['+i+'],')!== -1){
            body+=tmp.replace(/^#/,'');
            body+="n";
        }else if(stype==1 && ids1.indexOf('['+i+'],')!== -1){
            if(/^#/.test(tmp)){
                body+=tmp+"n";
            }else{
                body+='#'+tmp +"n";
            }
        }else{
            body+=tmp+"n";
        }
        i++;
    }
    host.close();
    svf = FSO.OpenTextFile(spath, 2, false);
    svf.Write(body);
    svf.close();
    window.location.reload();
}

function AddHosts(sIp, sUrl){
    var oi=document.getElementById(sIp);
    var ou=document.getElementById(sUrl);
    if(oi.value=='' || /^d{1,3}.d{1,3}.d{1,3}.d{1,3}$/.test(oi.value)==false) {
        alert('IP地址不能为空或你输入的IP格式错误.');
        oi.focus();
        return;
    }
    if(ou.value=='' || /^[a-zA-Z0-9-]+.[a-zA-Z0-9-]+.((net)|(com)|(cn)|(org)|(cc)|(tv))$/.test(ou.value)==false) {
        alert('域名不能为空或你输入的域名格式错误.');
        ou.focus();
        return;
    }

    FSO = new ActiveXObject("Scripting.FileSystemObject");
    var spath = FSO.GetSpecialFolder(1)+hostfile;    
    host = FSO.OpenTextFile(spath, 8, false);
    host.Write("n"+oi.value+"t"+ou.value+"n");
    host.close();
    alert('增加域名成功!');
    window.location.reload();
}
</script>
<style>
body{
 background-color:#99CCFF;
}
body *{
    font-size:12px;
    margin:0px;
    padding:0px;
}
.BUTT{
    BORDER: #2C59AA 1px solid;
    FONT-SIZE: 12px;
    COLOR: black;
    FILTER: progid:DXImageTransform.Microsoft.Gradient(GradientType=0, StartColorStr=#ffffff, EndColorStr=#C3DAF5);
    height:22px;
    padding: 3px 5px 0px;
    text-decoration: none;
}
.edit{
   BORDER: #2C59AA 1px solid;
   padding:1px;
}
#UI_TABLE{
    width:99%;cell-spacing:0px; margin:1px; border-collapse:collapse; border:1px solid #7d7d7d;
}
#UI_TABLE tr.TopTitle{
    text-align:center;
}
#UI_TABLE tr.TopTitle td {
    background-color:#C8E2F7;
}
#UI_TABLE tr td{
    border:1px solid #7d7d7d;text-align:center;padding:1px;
}

</style>
</HEAD>
<BODY  onLoad="init()" oncontextmenu="return false;" style="text-align:center; margin:0px;overflow-y:auto;overflow-x:hidden;border:none;background:menu;">
<div id="HostList">
    <input type="hidden" name="ids"/>
    <table id="UI_TABLE" >
        <tr class="TopTitle">
            <td>状态</td>
            <td style="width:140px;">域名</td>
            <td>IP地址</td>
            <td style="width:140px;">操作</td>    
        </tr>
        <script language="javascript" type="text/JavaScript">
               document.writeln(getlist());
        </script>
    </table>
    <div style="margin:6px;text-align:center;">
        <input type="button" value="全部切本地" name="b4" onclick="zhall(0);" class="BUTT" />    
        <input type="button" value="全部切外网" name="b5" onclick="zhall(1);" class="BUTT" />    
        <input type="button" value="增加域名" name="b6" onclick="document.getElementById('HostList').style.display='none';document.getElementById('addHost').style.display='block'; window.resizeTo(windowW2,windowH2);" class="BUTT" />
    </div>
</div>
<div id="addHost" style="display:none;">
    <input type="hidden" name="editId" name="editId" />
    <div style="text-align:left;margin:30px auto 0px; width:300px;">IP地址:<input type="text" name="pIP" id="pIP" class="edit" />  <input type="button" value="127.0.0.1" name="b2" onclick="document.getElementById('pIP').value='127.0.0.1';" class="BUTT" /></div>
    <div style="text-align:left;margin:20px auto; width:300px;">域  名:<input type="text" name="pURL" id="pURL" class="edit" /></div>
    <div style="margin:10px;text-align:center;">
        <input type="button" value="提  交" name="b1" id="addButt" onclick="AddHosts('pIp','pURL');" class="BUTT" />    
        <input type="button" value="编  辑" name="b2" id="editButt" style="display:none;" onclick="edits('pIp','pURL');" class="BUTT" />    
        <input type="button" value="返  回" name="b3" onclick="window.location.reload();" class="BUTT" />
    </div>
</div>


<script>
//屏蔽部分键盘操作,比如 F5
function document.onkeydown()
{wek=window.event.keyCode;
if((window.event.altKey)&&((wek==37)||(wek==39)))
{window.alert("Error:Invalid operation!");event.returnValue=false;}
if((wek==116)||(event.ctrlKey&&wek==82))
{window.event.keyCode=0;event.returnValue=false;}
if((event.ctrlKey)&&(wek==78))
event.returnValue=false;
if((event.shiftKey)&&(wek==121))
event.returnValue=false;
if(window.event.srcElement.tagName=="A"&&window.event.shiftKey)
window.event.returnValue=false;
if((window.event.altKey)&&(wek==115))
{window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px");return false;}
if(wek==122){window.event.keyCode=0;window.alert("Error:Invalid operation!");return false;}
}
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</BODY>
</HTML>
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