获取国家统计局行政区划表

一、国家统计局网站有最新最全的全国行政区划表，从网页源代码看来，靠，我都怀疑是不是用电子表格或是文字处理软件做的，还“国家”统计局呢。
http://www.stats.gov.cn/tjbz/xzqhdm/t20090626_402568086.htm
http://www.stats.gov.cn/tjbz/xzqhdm/index.htm
http://www.stats.gov.cn/tjbz/index.htm

二、用程序把它收回来

 using System; using System.Collections.Generic; using System.Text; using System.Text.RegularExpressions; using System.IO; using System.Net;

 

/// <summary> /// 获取国家统计局网站上行政区划列表 /// </summary> public class StatsGovCnRegional { /// <summary> /// 网址 /// </summary> public const string WebUrl = "http://www.stats.gov.cn/tjbz/xzqhdm/t20090626_402568086.htm"; /// <summary> /// 行政区划开始区间块 /// </summary> public const string RegionalBlockTag = @"<span class=/u0022content/u0022>(<P>[/w/W]*</P>)</span>"; //public const string RegionalBlockTag = @"^<span class=/u0022content/u0022>[/w/W]{10000,}</span>$"; //public const string RegionalBlockTag = @"<span class=/u0022content/u0022>([/w/W]*)</span>"; /// <summary> /// 1.获得页面全部html代码文本(从国家统计局网页) /// </summary> /// <param name="info">输出字符串</param> /// <returns>获取成功与否</returns> public static bool GetPageHtml(out string info) { try { WebClient client = new WebClient(); client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)"); Stream data = client.OpenRead(WebUrl); //StreamReader reader = new StreamReader(data); StreamReader reader = new StreamReader(data, Encoding.Default); //read info = reader.ReadToEnd(); data.Close(); reader.Close(); return true; } catch (Exception exception) { info = "发生错误:/n" + exception; return false; } } /// <summary> /// 2.获得html代码文本中Regional区域的部分 /// <example> /// <P>代码　名称</P> /// ... /// <P>说明：(*)表示2008年根据国标修改的县及县以上行政区划代码和名称。</P> /// </example> /// </summary> public static string GetRegionalHtml(string pageHtml) { Match match = Regex.Match(pageHtml, RegionalBlockTag, RegexOptions.IgnoreCase); //System.Diagnostics.Trace.WriteLine(match.Success); //return match.Groups[0].Value; return match.Groups[1].Value; } /// <summary> /// 3.按特定html标记分割成字符串数组,每一个字符串为一个区划(一个省,或一个市,或一个县) /// </summary> public List<string> GetRegionalLines(string regionalHtml) { regionalHtml = regionalHtml.Replace("/r/n", ""); //1.去除回车换行 regionalHtml = regionalHtml.Replace(" ", "");//2.去除空格html List<string> strList = new List<string>(); string[] ss = regionalHtml.Split(new string[] {"<P>", "</P>", "<p>", "</p>", "<BR>", "<br>"}, StringSplitOptions.RemoveEmptyEntries); foreach (string s1 in ss) { string line = ""; line = s1.Trim(); //3.去除空格 if (!string.IsNullOrEmpty(line)) strList.Add(line); } return strList; } /// <summary> /// 4.解析判断一个行政区划字符串,并转换成model /// </summary> public List<Regional> GetRegional(List<string> regionalLines) { List<Regional> regionalList = new List<Regional>(); foreach (string s in regionalLines) { string sTemp = s.Trim(); if(sTemp.Length<6) continue; string sCode = sTemp.Substring(0, 6); if (Regex.Match(sCode, @"^[0-9]{6}$").Success) { Regional regional = new Regional(); regional.MyCode = sCode; regional.MyName = sTemp.Substring(6).Trim().Trim(' ','(','*',')').Replace(" ","").Replace("　",""); string parentCode = ""; string province = sCode.Substring(0, 2);//省级 string city = sCode.Substring(2,2);//市级 string county = sCode.Substring(4, 2);//县级 if (county.Equals("00") && city.Equals("00") && province.Equals("00")) { // } else if (county.Equals("00") && city.Equals("00")) { //省级 parentCode = ""; } else if (county.Equals("00")) { //市级 parentCode = province + "0000"; } else { //县级 parentCode = province + city + "00"; } regional.ParentCode = parentCode; regionalList.Add(regional); } } return regionalList; } /// <summary> /// 5.查找并关联行政区划父子关系 /// </summary> public void SetRelationRegional(List<Regional> regionalList) { foreach (Regional regional in regionalList) { //父 if (string.IsNullOrEmpty(regional.ParentCode)) regional.ParentRegional = null; else { Regional parentRegional = regionalList.Find(delegate(Regional regionalParent) { return regionalParent.MyCode == regional.ParentCode; } ); regional.ParentRegional = parentRegional; } //子 List<Regional> sonRegionalList = regionalList.FindAll(delegate(Regional regionalSon) { return regionalSon.ParentCode == regional.MyCode; } ); regional.SonRegionals = sonRegionalList; } } private void TestSetRelationRegional() { //string pageHtml = GetPageHtml(); string pageHtml = ""; if (GetPageHtml(out pageHtml)) { string regionalHtml = GetRegionalHtml(pageHtml); List<string> ssRegionalLines = GetRegionalLines(regionalHtml); //Console.WriteLine(ssRegionalLines.Count);//3530 List<Regional> list = GetRegional(ssRegionalLines); SetRelationRegional(list); foreach (Regional regional in list) { Console.WriteLine( string.Format("{0}/t{1}/t{2}", regional.MyCode, regional.MyName, regional.ParentCode) ); Console.Write(string.Format("父:{0}/n", regional.ParentRegional == null ? "根" : regional.ParentRegional.MyName)); Console.Write("子:"); foreach (Regional sonRegional in regional.SonRegionals) Console.Write(sonRegional.MyName + ","); Console.WriteLine("/n------------------------------------------------------------------------------------------"); } } } }

 

/// <summary> /// 区域模型类 /// </summary> public class Regional { public string MyCode { get; set; } public string MyName { get; set; } public string ParentCode { get; set; } /// <summary> /// 所有子区域 /// </summary> public List<Regional> SonRegionals { get { if (_sonregionals == null) _sonregionals = new List<Regional>(); return _sonregionals; } set { _sonregionals = value; } } private List<Regional> _sonregionals = null; /// <summary> /// 父区域 /// </summary> public Regional ParentRegional { get; set; } }

 

附件下载：http://download.csdn.net/source/1793658