asp.net实现中英文多域名检测的方法

/****写入js代码****/<%-- 域名检测 --%><script type="text/javascript">  //判断输入的是否为中文域名  function IsChDomain(domainStr)  {    var flag = false;    var compStr = "ABCDEFGHIGKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_0123456789";    var domainLength = domainStr.length;//判断字符长度    for(var i = 0;i < domainLength;i++)    {     var temp = domainStr.charCodeAt(i);     if(temp >= 10000)//含有字符编码大于10000的字符判断为中文，不太严格     {       flag=true;     }     else     {       var temp2 = compStr.indexOf(domainStr.charAt(i));       if(temp2 == -1)       {        flag = false;        break;       }     }    }    return flag;   }  //判断输入的是否为英文域名　　function IsEnDomain(domainStr)　　{    var flag = false;    var compStr = "ABCDEFGHIGKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_0123456789";    var domainLength = domainStr.length;    for(var i = 0;i<domainLength;i++)    {     if(compStr.indexOf(domainStr.charAt(i)) == -1)     {       flag = false;       break;     }     else     {       flag = true;     }    }    return flag;  }   //中国等不能注册英文域名,把相应的CheckBox的disabled属性设置为true，   function Trim(domainStr)   {    return domainStr.replace(/(^s*)|(s*$)/g, "");   }  //验证域名是哪一类型的　　function checkDomainType()  {    var domainName = document.getElementById("txtDomainName").value;    domainName = Trim(domainName);//去掉输入的特殊符号    if(IsChDomain(domainName))//调用中文域名----------验证方法    {     setCheckBox(true);    }    else if(IsEnDomain(domainName))//调用英文域名-----验证方法    {     setCheckBox(false);    }  }  //为CheckBox复选框的Checked属性赋值　　function setCheckBox(flag)  {     document.getElementById("chkcom").disabled = flag;     document.getElementById("chknet").disabled = flag;     document.getElementById("chkorg").disabled = flag;     document.getElementById("chkorgcn").disabled = flag;     document.getElementById("chkcn").disabled = flag;     document.getElementById("chkcomcn").disabled = flag;     document.getElementById("chknetcn").disabled = flag;     document.getElementById("chkgovcn").disabled = flag;     document.getElementById("chkcouk").disabled = flag;     document.getElementById("chkbiz").disabled = flag;     document.getElementById("chkcc").disabled = flag;     document.getElementById("chktv").disabled = flag;     document.getElementById("chkinfo").disabled = flag;     document.getElementById("chkchina").disabled = !flag;     document.getElementById("chkcompany").disabled = !flag;     document.getElementById("chknetwork").disabled = !flag;     document.getElementById("chkorguk").disabled = flag;     document.getElementById("chkus").disabled = flag;     document.getElementById("chkmeuk").disabled = flag;     document.getElementById("chkltduk").disabled = flag;  }  //检查输入的字符规范//  function checkValue()//  {//     if(document.getElementById("txtDomainName").value=='')//    {//      alert('请输入域名！');//      return false;//    }//    if(document.getElementById("txtDomainName").value.length >= 60)//    {//      alert('域名长度不能超过60个字符！');//      return false;//    }//    for(var i = 0;i < document.getElementById("txtDomainName").value.length;i++)//    {//      if(document.getElementById("txtDomainName").value.charAt(i) == ' ')//      {//        alert('域名中不能含有空格！');//        return false;//        break;//      }//    }//  }</script>/***写入相关控件***///用于显示查询的结果<asp:Panel ID="indexpnlDomainName" runat="server" Width="100%" />//<table width="373" border="0" cellpadding="0" cellspacing="1"> <tr>  <td width="74" height="41"><asp:CheckBox ID="chkcom" Text=".com" runat="server" />  </td>  <td width="71" height="41">    <asp:CheckBox ID="chkcn" Text=".cn" runat="server" />  </td>  <td width="79" height="41">    <asp:CheckBox ID="chkorg" Text=".org" runat="server" />  </td>  <td width="71" height="41">    <asp:CheckBox ID="chknet" Text=".net" runat="server" />  </td>  <td width="72" height="41">    <asp:CheckBox ID="chkinfo" Text=".info" runat="server" />  </td> </tr> <tr>  <td width="74" height="41">    <asp:CheckBox ID="chkcomcn" Text=".com.cn" runat="server" />  </td>  <td height="41">    <asp:CheckBox ID="chkcc" Text=".cc" runat="server" />  </td>  <td height="41">    <asp:CheckBox ID="chkorgcn" Text=".org.cn" runat="server" />  </td>  <td height="41">    <asp:CheckBox ID="chknetcn" Text=".net.cn" runat="server" />  </td>  <td height="41">    <asp:CheckBox ID="chkin" Text=".in" runat="server" />   </td>  </tr>  <tr>    <td width="74" height="40">     <asp:CheckBox ID="chkcouk" Text=".co.uk" runat="server" />    </td>    <td height="41">     <asp:CheckBox ID="chktv" Text=".tv" runat="server" />    </td>    <td height="41">     <asp:CheckBox ID="chkorguk" Text=".org.uk" runat="server" />    </td>    <td height="41">     <asp:CheckBox ID="chkus" Text=".us" runat="server" />    </td>    <td height="41">     <asp:CheckBox ID="chkmeuk" Text=".me.uk" runat="server" />    </td>   </tr>   <tr>    <td width="74" height="41">     <asp:CheckBox ID="chkltduk" Text=".ltd.uk" runat="server" />    </td>    <td height="41">     <asp:CheckBox ID="chkbiz" Text=".biz" runat="server" />    </td>    <td height="41">     <asp:CheckBox ID="chknetwork" Text=".网络" runat="server" />    </td>    <td height="41">     <asp:CheckBox ID="chkcompany" Text=".公司" runat="server" />    </td>    <td height="41">     <asp:CheckBox ID="chkchina" Text=".中国" runat="server" />    </td>   </tr></table>

using System;using System.Collections;using System.Configuration;using System.Data;using System.Linq;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Xml.Linq;using System.Text; //（需要引入的类文件命名空间）using System.Net.Sockets; //（需要引入的类文件命名空间）using System.Text.RegularExpressions; //（需要引入的类文件命名空间）using System.Collections.Generic; //（需要引入的类文件命名空间）using System.Data.Common; //（需要引入的类文件命名空间）using System.Xml; //（需要引入的类文件命名空间）using System.IO; //（需要引入的类文件命名空间）using Microsoft.SqlServer.Server; //（需要引入的类文件命名空间）using System.Net; //（需要引入的类文件命名空间）//判断是否为中文域名(方法)public static bool IsHasCHZN(string domainName){  Regex RegCHZN = new Regex("[一-龥]");  Match m = RegCHZN.Match(domainName);  return m.Success;}//判断域名是否被注册(方法)public static bool IsReg(string domainName){  bool flag = false;  string dm = HttpContext.Current.Server.UrlEncode(domainName);  try  {   //判断方法非常多，如打开远程文件再处理字符串等等，这里用的方法效率不是很高   WebClient wc = new WebClient();  string xmlstr = wc.DownloadString("http://panda.www.net.cn/cgi-bin/check.cgi?area_domain=" + dm);StringReader sr = new StringReader(xmlstr);XmlTextReader xr = new XmlTextReader(sr);while (xr.Read())  {   if (xr.IsStartElement("original"))   {    xr.Read();    if (xr.Value.Substring(0, 3) == "210")    {     flag = true;     break;    }    else    {     flag = false;     break;    }   }  }  return flag; } catch {  return false; }}//按钮事件中protected void imgBtnCheck_Click(object sender, ImageClickEventArgs e){  string txtYM = this.txtYMname.Text.Trim();  if (txtYM == "")  { ScriptManager.RegisterStartupScript(this, this.GetType(), "sc", "alert('对不起，域名不能为空！');", true); }  else  {   string domainName = this.txtYMname.Text.Trim();   IList<string> domainList = new List<string>();//保存域名名称和后缀domainList.Add(domainName);//List<string>第一元素保存域名名称，其他元素为域名后缀   //判断是否为中文域名   if (IsHasCHZN(domainName))   {    if (chkchina.Checked) domainList.Add(chkchina.Text);if (chkcompany.Checked) domainList.Add(chkcompany.Text);if (chknetwork.Checked) domainList.Add(chknetwork.Text);   }   else   {    if (chkcom.Checked) domainList.Add(chkcom.Text);    if (chknet.Checked) domainList.Add(chknet.Text);    if (chkorg.Checked) domainList.Add(chkorg.Text);    if (chkorgcn.Checked) domainList.Add(chkorgcn.Text);    if (chkcn.Checked) domainList.Add(chkcn.Text);    if (chkcomcn.Checked) domainList.Add(chkcomcn.Text);    if (chknetcn.Checked) domainList.Add(chknetcn.Text);    if (chkinfo.Checked) domainList.Add(chkinfo.Text);    if (chkcouk.Checked) domainList.Add(chkcouk.Text);    if (chkbiz.Checked) domainList.Add(chkbiz.Text);    if (chkcc.Checked) domainList.Add(chkcc.Text);    if (chktv.Checked) domainList.Add(chktv.Text);    if (chkorguk.Checked) domainList.Add(chkorguk.Text);    if (chkus.Checked) domainList.Add(chkus.Text);    if (chkmeuk.Checked) domainList.Add(chkmeuk.Text);    if (chkltduk.Checked) domainList.Add(chkltduk.Text);    if (chkin.Checked) domainList.Add(chkin.Text);   }   Session["localpnlDomainName"] = domainList;//将首页查询的域名结果显示出来   if (Session["localpnlDomainName"] != null)   {    IList<string> il = (IList<string>)Session["localpnlDomainName"];    if (il.Count > 1)    {     string dm = il[0];     string dname;     Label lbl;for (int i = 1; i < il.Count; i++)     {       dname = dm + il[i];       if (IsReg(dname))       {        lbl = new Label();        lbl.ID = "lbl" + i.ToString();        lbl.Text = string.Format("<p style='font-size:12px;color:green'>{0}    可以注册!</p>", dm + il[i]);        indexpnlDomainName.Controls.Add(lbl);}       else       {         lbl = new Label();         lbl.ID = "lbl" + i.ToString();         lbl.Text = string.Format("<p><a target='_blank' style='color:red;font-size:12px'         indexpnlDomainName.Controls.Add(lbl);        }       }      }     }}}