本文实例讲述了asp.net实现中英文多域名检测的方法。分享给大家供大家参考,具体如下:
第一步:在前台页面中写入js代码和相关控件
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/****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>
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第二步:在后台页面中写入方法
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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' title='点击跳转到该域名' href='http://www.{0}'>{1} 已被注册!</a> <a target='_blank' style='font-size:12px;color:red' title='点击查看详细信息' href='http://whois.hichina.com/cgi-bin/whois?domain={2}'>[查看]</a></p>" , dm + il[i], dm + il[i], Server.UrlEncode(dm + il[i]));
indexpnlDomainName.Controls.Add(lbl);
}
}
}
}
}
}
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希望本文所述对大家asp.net程序设计有所帮助。