天气小偷程序,自动采集信息入库

来源：互联网发布：清理僵尸粉软件编辑：程序博客网时间：2024/05/01 21:49

刚完成的一个天气小偷程序,从中央气象台自动采集信息入库    工程下载
/************************************************/
using System.Text;
using System.Net;
using System.IO;
using System.Text.RegularExpressions;
using MSXML2;
using System.Xml;
public partial class userControls_weather : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string id = DropDownList1.SelectedValue;
        string city = DropDownList1.SelectedItem.Text;
        /***********************直接从雅虎网站偷取数据*************************************************************/
        string Url = "http://weather.tq121.com.cn/detail.php?city=" + city;
        /****************************************************************
        WebRequest myWebRequest = WebRequest.Create(Url);
        WebResponse myWebResponse = myWebRequest.GetResponse();
        System.IO.Stream stream = myWebResponse.GetResponseStream();
        StreamReader sr = new StreamReader(stream, Encoding.Default);
        //以字符串形式读取数据流
        string respstr = sr.ReadToEnd();
        sr.Close();
        Response.Write(respstr);
        ****************************************************************/
        MSXML2.XMLHTTP _xmlhttp = new MSXML2.XMLHTTPClass();
        _xmlhttp.open("GET", Url, true, null, null);
        _xmlhttp.setRequestHeader("Content-Type", "text/xml;charset=gb2312");
        _xmlhttp.send(null);
        if (_xmlhttp.readyState == 4)
        {
            //匹配日期,最高温,最低温
            string patter = @"(?<=span class=""big-cn"">)[^℃]*?(?=/</span)|(?<=img src="").*?[a|b]{1}[0-9]{1,2}.gif(?=/"")|(?<=<span class=""big-cn"">|<span class=""wendu"">).*?(?=/</span)|(?<=span class=""cn"">)[/S]+(?=/</span)";
            //匹配日期,最高温,最低温,天气图标
            //string patter = @"(?<=th>).*?(?=/</th)|(?<=gr/).*?png(?=/))|(?<=High:).*?(?=/</strong)|(?<=Low:).*?(?=/</span)";
            string str = Encoding.Default.GetString((byte[])_xmlhttp.responseBody);
            //Response.Write(str); return;
            str = Regex.Replace(str, @"(?<=span class=""big-cn"">)^预.*(?=/</span>)", "");
            MatchCollection maction = Regex.Matches(str, patter);
            int j = 1;
            int n = 2;
            int k = 4;
            int m = 5;
            for (int i = 0; i < 5; i++)
            {
                //Response.Write(maction[i+1].Value + "<br />");
                //Response.Write(maction[i+4].Value + "<br />");
                string strSql = "insert into go_weather(submit_date,weather_city,weather_date,weather_img,weather_minTemp,weather_maxTemp,weather_wind) values(@subTime,@city,@date,@img,@min,@max,@wind)";
                //string strSql = "insert into go_weather(submit_date,weather_city,weather_date,weather_minTemp,weather_maxTemp,weather_wind) values(" + DateTime.Today + "," + city + "," + maction[i + j].Value + "," + maction[i + k].Value + "," + maction[i + k].Value + "," + maction[i + m].Value + ")";
                        SqlParameter[] parms = {
                            new SqlParameter("@subTime",SqlDbType.VarChar,16),
                            new SqlParameter("@city",SqlDbType.VarChar,20),
                            new SqlParameter("@date",SqlDbType.VarChar,20),
                            new SqlParameter("@img",SqlDbType.VarChar,30),
                            new SqlParameter("@min",SqlDbType.VarChar,20),
                            new SqlParameter("@max",SqlDbType.VarChar,20),
                            new SqlParameter("@wind",SqlDbType.VarChar,50)};
                        parms[0].Value = DateTime.Today;
                        parms[1].Value = city;
                        parms[2].Value = maction[i + j].Value;
                        parms[3].Value = maction[i + n].Value.Replace("../images","../images/weather");
                        parms[4].Value = maction[i + k].Value;
                        parms[5].Value = maction[i + k].Value;
                        parms[6].Value = maction[i + m].Value;
                Response.Write(strSql+"<br />");
                int val = go1000.SQLDBConnection.ExecuteNonQuery(CommandType.Text, strSql, parms);
                j += 4;
                n += 4;
                k += 4;
                m += 4;
                if (val > 0)
                    Response.Write("<script>alert('aok;);</script>");
                else
                    Response.Write("<script>alert('error;);</script>");
            }
             //return;

        }
        else
        {
            Response.Write("发生错误");
        }
    }
}