asp显示天气预报代码（天气预报链接代码）

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本文目录一览：

• 1、我想要在asp页面中实现实时天气预报的功能
• 2、求个在内网网站上显示天气预报的ASP代码
• 3、ASP.NET实现天气预报

我想要在asp页面中实现实时天气预报的功能

从网上搜索天气预报特效代码 打开网页选择你要显示的天气预报的地区 然后获取代码 把代码放到你的网站上就行了。

求个在内网网站上显示天气预报的ASP代码

如果内网与外网不互通。这种代码是没有的。

如果是内网与外网联通，百度搜索天气预报代码即可。很多可用的。

ASP.NET实现天气预报

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Data.SqlClient;

using System.Net;

using System.IO;

using System.Collections;

/// summary

/// Weather 的摘要说明

/// /summary

public class Weather

{

public Weather()

{

//

// TODO: 在此处添加构造函数逻辑

//

}

public static string ConvertCodeByCity(string City)

{

string Code = "";

switch (City)

{

case "北京":

Code = "110100";

break;

default:

break;

}

return Code;

}

public static ArrayList GetWeather(string code)

{

/*

[0] "北京 "string

[1] "雷阵雨 "string

[2] "9℃" string

[3] "29℃"string

[4] "小于3级"string

*/

string html = "";

try

{

HttpWebRequest request = (HttpWebRequest)WebRequest.Create("" + code + "_w.html ");

request.Method = "Get";

//request.Timeout = 1;

request.ContentType = "application/x-www-form-urlencoded ";

WebResponse response = request.GetResponse();

Stream s = response.GetResponseStream();

StreamReader sr = new StreamReader(s, System.Text.Encoding.GetEncoding("GB2312"));

html = sr.ReadToEnd();

s.Close();

sr.Close();

}

catch (Exception err)

{

throw new Exception("访问地址出错~~~ ");

}

int count = html.Length;

int starIndex = html.IndexOf("table ", 0, count);

int endIndex = html.IndexOf("/table", starIndex, count - starIndex);

html = html.Substring(starIndex, endIndex - starIndex + 8);

//得到城市

int cityStartIndex = html.IndexOf("b", 0, html.Length);

int cityEndIndex = html.IndexOf("/b", 0, html.Length);

string City = html.Substring(cityStartIndex + 3, cityEndIndex - cityStartIndex - 3);

//得到天气

int weatherStartIndex = html.IndexOf("b", cityEndIndex);

int weatherEndIndex = html.IndexOf("/b", weatherStartIndex);

string Weather = html.Substring(weatherStartIndex + 3, weatherEndIndex - weatherStartIndex - 3);

//得到温度

int temperatureStartIndex = html.IndexOf("b", weatherEndIndex);

int temperatureEndIndex = html.IndexOf("/b", weatherEndIndex + 3);

string Temperature = html.Substring(temperatureStartIndex + 21, temperatureEndIndex - temperatureStartIndex - 21);

int int1 = Temperature.IndexOf("℃", 0);

int int2 = Temperature.IndexOf("～", 0);

int int3 = Temperature.IndexOf("℃", int2);

string MinTemperature = Temperature.Substring(int2 + 1, int3 - int2);

string MaxTemperature = Temperature.Substring(0, int2 - int1 + 2);

//得到风力

int windforceStartIndex = html.IndexOf("风力：", temperatureEndIndex);

int windforceEndIndex = html.IndexOf("br", windforceStartIndex);

string Windforce = html.Substring(windforceStartIndex + 3, windforceEndIndex - windforceStartIndex - 3);

if (Windforce.Contains("小于") (!Windforce.Contains("等于"))) //判断风力是否含有"小于"或"小于等于"字样将,如果有的话，将其替换为2-

{

//Windforce = Windforce.Replace("小于", "2-");

string strWindforce = Windforce.Substring(2, Windforce.Length - 3);

int minWindforce = Int32.Parse(strWindforce) - 1;

Windforce = Windforce.Replace("小于", minWindforce.ToString() + "-");

}

else if (Windforce.Contains("小于等于"))

{

string strWindforce = Windforce.Substring(4, Windforce.Length - 5);

int minWindforce = Int32.Parse(strWindforce) - 1;

Windforce = Windforce.Replace("小于等于", minWindforce.ToString() + "-");

}

ArrayList al = new ArrayList();

al.Add(City);

al.Add(Weather);

al.Add(MinTemperature);

al.Add(MaxTemperature);

al.Add(Windforce);

return al;

}

}

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