繁體中文当前位置: 首页 > 图文教程 > 网络编程 > ASP.NET > ASP.net(c#)打造24小时天气预报及实时天气
- ASP.NET
- Asp.net 时间操作基类(支持短日期,长日期,时间差)
- asp.net 获取机器硬件信息(cpu频率、磁盘可用空间、内存容量等)
- asp.net 数据库备份还原(sqlserver+access)
- Asp.Net 数据操作类(附通用数据基类)
- Asp.net 弹出对话框基类(输出alet警告框)
- Asp.net 文件上传类(取得文件后缀名,保存文件,加入文字水印)
- Asp.net Socket客户端(远程发送和接收数据)
- Asp.net 字符串操作基类(安全,替换,分解等)
- Asp.Net数据输出到EXCEL表格中
- asp.net Gridview里添加汇总行
- asp.net UpdatePanel的简单用法
- asp.net ajaxControlToolkit FilteredTextBoxExtender的简单用法
- this connector is disabled错误的解决方法
- sql事务应用积累
- asp.net Page.Controls对象(找到所有服务器控件)
- 在asp.NET中字符串替换的五种方法
- ASP.NET缓存方法分析和实践示例代码
- asp.net 在DNN模块开发中遇到的resx怪问题
- ASP.NET State service状态服务的问题解决方法
- asp.net 结合mysql存储过程进行分页代码
ASP.NET 中的 ASP.net(c#)打造24小时天气预报及实时天气
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-09-13 浏览: 106 ::
收藏到网摘: n/a
本文详细介绍关于ASP.NET的实时天气及24小时天气预报
修改其中的url获得其他城市的天气情况的文章专题。
ASP.NET的实时天气及24小时天气预报(C#)
修改其中的url获得其他城市的天气情况
如广州为：
http://weather.yahoo.com
/forecast/CHXX0037_c.html
注意仅适用于获得yahoo上的天气预报
GetWeather.aspx
-----------------------------------
复制代码 代码如下:
<%@ Page language="c#" Codebehind="GetWeather.aspx.cs" AutoEventWireup="false" Inherits="test.GetWeather" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>GetWeather</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body>
<form id="GetWeather" method="post" runat="server">
<FONT face="宋体">
<P>
<asp:Label id="lblWeather" runat="server">Weather</asp:Label></P>
<P>
<asp:Button id="btnGet" runat="server" Text="Get Weather">
</asp:Button></P>
<P>
<asp:Label id="Weather2" runat="server">24小时天气</asp:Label></P>
<P>
<asp:Button id="btnGet2" runat="server" Text="天气预报">
</asp:Button></P>
</FONT>
</form>
</body>
</HTML>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>GetWeather</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body>
<form id="GetWeather" method="post" runat="server">
<FONT face="宋体">
<P>
<asp:Label id="lblWeather" runat="server">Weather</asp:Label></P>
<P>
<asp:Button id="btnGet" runat="server" Text="Get Weather">
</asp:Button></P>
<P>
<asp:Label id="Weather2" runat="server">24小时天气</asp:Label></P>
<P>
<asp:Button id="btnGet2" runat="server" Text="天气预报">
</asp:Button></P>
</FONT>
</form>
</body>
</HTML>
getWeather.aspx.cs
---------------------------------------
复制代码 代码如下:
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Net;
using System.IO;
namespace test
{
public class GetWeather : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label lblWeather;
protected System.Web.UI.WebControls.Label Weather2;
protected System.Web.UI.WebControls.Button btnGet2;
protected System.Web.UI.WebControls.Button btnGet;
private void Page_Load(object sender, System.EventArgs e)
{
// Put user code to initialize the page here
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.btnGet.Click += new System.EventHandler(this.btnGet_Click);
this.btnGet2.Click += new System.EventHandler(this.btnGet2_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void btnGet_Click(object sender, System.EventArgs e)
{
WebRequest wreq=WebRequest.Create
("http://weather.yahoo.com/forecast/CHXX0037_c.html");
HttpWebResponse wresp=(HttpWebResponse)wreq.GetResponse();
string HTML ="";
Stream s=wresp.GetResponseStream();
StreamReader objReader = new StreamReader(s);
string sLine = "";
int i = 0;
while (sLine!=null)
{
i++;
sLine = objReader.ReadLine();
if (sLine!=null)
HTML += sLine;
}
String temp= "";
int start,stop;
start = HTML.IndexOf("<!-- CURCON-->",0,HTML.Length);
stop = HTML.IndexOf("<!-- END CURCON-->",0,HTML.Length);
temp = HTML.Substring(start, stop - start);
start = temp.IndexOf("<b>");
stop = temp.IndexOf("</b>");
string degree = temp.Substring(start+3,stop - start -3);
start = temp.IndexOf("<img");
stop = temp.IndexOf("</td>",start);
string img = temp.Substring(start,stop - start);
lblWeather.Text = degree + "<br>" + img;
}
private void btnGet2_Click(object sender, System.EventArgs e)
{
WebRequest wreq=WebRequest.Create
("http://cn.weather.yahoo.com/CHXX/CHXX0037/index_c.html");
HttpWebResponse wresp=(HttpWebResponse)wreq.GetResponse();
string HTML ="";
Stream s=wresp.GetResponseStream();
StreamReader objReader = new StreamReader(s,System.Text.Encoding.GetEncoding("GB2312"));
string sLine = "";
int i = 0;
while (sLine!=null)
{
i++;
sLine = objReader.ReadLine();
if (sLine!=null)
HTML += sLine;
}
String temp= "";
int start,stop;
start = HTML.IndexOf("<table border=0 cellpadding=2
cellspacing=1 bgcolor=9999cc width=\"85%\">",0,HTML.Length);
stop = HTML.IndexOf("</table>",start)+8;
temp = HTML.Substring(start, stop - start);
Weather2.Text = temp;
}
}
}
请注明转自chinazhan中国站长 using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Net;
using System.IO;
namespace test
{
public class GetWeather : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label lblWeather;
protected System.Web.UI.WebControls.Label Weather2;
protected System.Web.UI.WebControls.Button btnGet2;
protected System.Web.UI.WebControls.Button btnGet;
private void Page_Load(object sender, System.EventArgs e)
{
// Put user code to initialize the page here
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.btnGet.Click += new System.EventHandler(this.btnGet_Click);
this.btnGet2.Click += new System.EventHandler(this.btnGet2_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void btnGet_Click(object sender, System.EventArgs e)
{
WebRequest wreq=WebRequest.Create
("http://weather.yahoo.com/forecast/CHXX0037_c.html");
HttpWebResponse wresp=(HttpWebResponse)wreq.GetResponse();
string HTML ="";
Stream s=wresp.GetResponseStream();
StreamReader objReader = new StreamReader(s);
string sLine = "";
int i = 0;
while (sLine!=null)
{
i++;
sLine = objReader.ReadLine();
if (sLine!=null)
HTML += sLine;
}
String temp= "";
int start,stop;
start = HTML.IndexOf("<!-- CURCON-->",0,HTML.Length);
stop = HTML.IndexOf("<!-- END CURCON-->",0,HTML.Length);
temp = HTML.Substring(start, stop - start);
start = temp.IndexOf("<b>");
stop = temp.IndexOf("</b>");
string degree = temp.Substring(start+3,stop - start -3);
start = temp.IndexOf("<img");
stop = temp.IndexOf("</td>",start);
string img = temp.Substring(start,stop - start);
lblWeather.Text = degree + "<br>" + img;
}
private void btnGet2_Click(object sender, System.EventArgs e)
{
WebRequest wreq=WebRequest.Create
("http://cn.weather.yahoo.com/CHXX/CHXX0037/index_c.html");
HttpWebResponse wresp=(HttpWebResponse)wreq.GetResponse();
string HTML ="";
Stream s=wresp.GetResponseStream();
StreamReader objReader = new StreamReader(s,System.Text.Encoding.GetEncoding("GB2312"));
string sLine = "";
int i = 0;
while (sLine!=null)
{
i++;
sLine = objReader.ReadLine();
if (sLine!=null)
HTML += sLine;
}
String temp= "";
int start,stop;
start = HTML.IndexOf("<table border=0 cellpadding=2
cellspacing=1 bgcolor=9999cc width=\"85%\">",0,HTML.Length);
stop = HTML.IndexOf("</table>",start)+8;
temp = HTML.Substring(start, stop - start);
Weather2.Text = temp;
}
}
}
评论 (0) All
