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天气小偷程序,自动采集信息入库

2008-04-06 13:10 393 查看

天气小偷程序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");
}
}
}

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