C# 獲取行政區划代碼（省、市、區、街道、村）

sql數據下載：http://download.csdn.net/download/linyongqin/10224874

獲取省、市、區
網址：http://www.mca.gov.cn/article/sj/tjbz/a/2017/

獲取省、市、區、街道、村
網址：http://www.stats.gov.cn/tjsj/tjbz/tjyqhdmhcxhfdm/

統計用區划代碼和城鄉划分代碼編制規則

 

--北京、天津、上海、重慶
INSERT INTO dmb_city (CityCode,CityName,CityLevel,CityRemark) VALUES ('110100','市轄區',2,'city');
INSERT INTO dmb_city (CityCode,CityName,CityLevel,CityRemark) VALUES ('120100','市轄區',2,'city');
INSERT INTO dmb_city (CityCode,CityName,CityLevel,CityRemark) VALUES ('310100','市轄區',2,'city');
INSERT INTO dmb_city (CityCode,CityName,CityLevel,CityRemark) VALUES ('500100','市轄區',2,'city');

 -- 省 province
 -- 市 city
 -- 區 area
 -- 街道 town
select * from dmb_city where CityCode like '%00' and CityLevel<>1 
--市
update dmb_city set CityLevel=1,CityRemark='province' where  where CityCode like '%0000'
update dmb_city set CityLevel=2,CityRemark='city' where  where CityCode like '%00'
update dmb_city set CityLevel=3,CityRemark='area' where  where CityLevel not in (1,2)

--110000
--130200
select * from dmb_city where CityLevel=3 or CityLevel=1
--更新父級代碼
update dmb_city set ParentCode=substring(CityCode,1,2)+'0000'  where  CityLevel=2
update dmb_city set ParentCode=substring(CityCode,1,4)+'00'  where  CityLevel=3
update dmb_city set ParentCode=substring(CityCode,1,6)  where  CityLevel=4

update dmb_city set CityName=substring(CityName,1,len(CityName)-1) where CityName like '%街道辦'

 

 

#region 根據區獲取街道信息

WebClient wc = new WebClient();

Stopwatch sw = new Stopwatch();
sw.Start();

Response.Write("<p>-------------------- 獲取數據 begin --------------------</p>");

long index = 0;
StringBuilder sb = new StringBuilder();
sb.Append("INSERT INTO dmb_city (CityCode,CityName) VALUES ");
DataTable dt = SqlHelper.ExecuteDataset(SqlHelper.connectionString, CommandType.Text, "select * from dmb_city where CityLevel=3").Tables[0];
foreach (DataRow dr in dt.Rows)
{
    //Response.Write("<p>" + dr["CityCode"] + "-" + dr["CityName"]+"</p>");

    try
    {
        //http://www.stats.gov.cn/tjsj/tjbz/tjyqhdmhcxhfdm/2016/44/05/440511.html
        //拼接網址
        string url = "http://www.stats.gov.cn/tjsj/tjbz/tjyqhdmhcxhfdm/2016/" + dr["CityCode"].ToString().Substring(0, 2) + "/" + dr["CityCode"].ToString().Substring(2, 2) + "/" + dr["CityCode"].ToString() + ".html";
        string html = wc.DownloadString(url);
        MatchCollection mc = Regex.Matches(html, "<tr\\sclass='towntr'><td><a\\shref='.+?'>(.+?)</a></td><td><a\\shref='.+?'>(.+?)</a></td></tr>");
        int i = 0;
        //遍歷匹配的內容
        foreach (Match item in mc)
        {
            if (item.Success)
            {
                //Response.Write(item.Groups[1].Value);

                //拼接SQL 過濾無效字符
                sb.Append("('" + item.Groups[1].Value.Substring(0, 9) + "','" + item.Groups[2].Value.Replace("辦事處", "").Replace("街道辦", "街道") + "')");

                index++;
                if (index > 900)
                {
                    sb.Append(";");

                    index = 1;
                    sb.Append("INSERT INTO dmb_city (CityCode,CityName) VALUES ");
                }
                else
                {
                    sb.Append(",");
                }
            }
        }
    }
    catch
    {
        //獲取不到網絡鏈接直接跳過
        continue;
    }

}
Response.Write("<p>" + sb.ToString().TrimEnd(',') + ";</p>");

Response.Write("<p>-------------------- 獲取數據 end --------------------</p>");
sw.Stop();
Response.Write("<p>-------------------- 共用 " + sw.ElapsedMilliseconds + "毫秒 --------------------</p>");

#endregion