winform天气预报小工具代码,CSharp代码库,德仔网

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【CSharp】 winform天气预报小工具

作者:Dezai大蜗牛 / 发布于2012/3/6/ 616

主要原理就是利用网上免费的webservice获取天气数据所以我们要添加web引用共两个 1.根据IP地址获取你所在城市（假如没有这个，而直接引用相关网站提供的webservice，你所在的地点可能不是很准确，假如，你用了路由器....等，不知道大家是有同感） 2.根据上一部获取的城市，调用获取天气数据的webservice 贴取部分代码：

<div>using System;</div>
<div>using System.Collections.Generic;</div>
<div>using System.ComponentModel;</div>
<div>using System.Data;</div>
<div>using System.Drawing;</div>
<div>using System.Text;</div>
<div>using System.Windows.Forms;</div>
<div>using System.ServiceModel;</div>
<div>using System.Runtime.InteropServices;</div>
<div></div>
<div>namespace MyWeather</div>
<div>{</div>
<div> </div>
<div>  </div>
<div></div>
<div>  public partial class Form1 : Form</div>
<div>  {</div>
<div>   </div>
<div>    string myip,mycity;</div>
<div>    private double opacity = 0;//记录当前窗体的透明度 </div>
<div>    //实现无边框移动</div>
<div>    [DllImport("user32.dll")]</div>
<div>    public static extern bool ReleaseCapture();</div>
<div>    [DllImport("user32.dll")]</div>
<div>    public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);</div>
<div>    public const int WM_SYSCOMMAND = 0x0112;</div>
<div>    public const int SC_MOVE = 0xF010;</div>
<div>    public const int HTCAPTION = 0x0002;</div>
<div>    //实现无边框移动</div>
<div></div>
<div></div>
<div>    public Form1()</div>
<div>    {</div>
<div>      InitializeComponent();</div>
<div>    </div>
<div>    }
<div></div>
<div>   </div>
<div></div>
<div>    private void Form1_Load(object sender, EventArgs e)</div>
<div>    {</div>
<div>       Opacity = 0;//指定窗体完全透明 </div>
<div>       GetIP();</div>
<div>       GetCityByIP(myip);</div>
<div>       DisplayWeather();</div>
<div>    }
<div></div>
<div>    protected void GetIP()</div>
<div>    {</div>
<div>      try</div>
<div>      {</div>
<div>        string strUrl = "http://www.ip138.com/ip2city.asp"; //获得IP的网址</div>
<div>        Uri uri = new Uri(strUrl);</div>
<div>        System.Net.WebRequest wr = System.Net.WebRequest.Create(uri);</div>
<div>        System.IO.Stream s = wr.GetResponse().GetResponseStream();</div>
<div>        System.IO.StreamReader sr = new System.IO.StreamReader(s, Encoding.Default);</div>
<div>        string all = sr.ReadToEnd(); //读取网站的数据</div>
<div>        int i = all.IndexOf("[") + 1;</div>
<div>        string tempip = all.Substring(i, 15);</div>
<div>        string ip = tempip.Replace("]", "").Replace(" ", "");//找出i</div>
<div>        myip = ip;</div>
<div>      }
<div>      catch (Exception e)</div>
<div>      {</div>
<div>        Console.WriteLine(e.ToString());</div>
<div>      }
<div>    }
<div></div>
<div>    protected void GetCityByIP(string myip)</div>
<div>    {</div>
<div>      IPCity.IpAddressSearchWebService city = new IPCity.IpAddressSearchWebService();</div>
<div></div>
<div>      string[] ss = city.getCountryCityByIp(myip);</div>
<div>     </div>
<div>      int n = ss[1].IndexOf(' ');//空格所在位置</div>
<div>      int m = ss[1].IndexOf('省');//ss[1]的实际内容是XX省 XX市，而获取天气的webservice只需要知道是某个市不需要知道省，所以截取了XX市</div>
<div>      int x = n - m;</div>
<div>      mycity = ss[1].Substring(m+1,x-2);</div>
<div>    </div>
<div>   </div>
<div></div>
<div>    }
<div>    protected void DisplayWeather()</div>
<div>    {</div>
<div></div>
<div>      webxml.WeatherWebService w = new webxml.WeatherWebService();</div>
<div>      //把webservice当做一个类来操作 </div>
<div></div>
<div>      string[] s = new string[23];//声明string数组存放返回结果 </div>
<div>    </div>
<div>      s = w.getWeatherbyCityName(mycity);</div>
<div>    </div>
<div>    </div>
<div>      if (s[8] == "")</div>
<div>      {</div>
<div>        MessageBox.Show("暂时不支持您查询的城市");</div>
<div>      }
<div>      else</div>
<div>      {</div>
<div></div>
<div>        string png = s[8].Substring(0, s[8].Length - 4);</div>
<div>        string png2 = s[15].Substring(0, s[15].Length - 4);</div>
<div>        string png3 = s[20].Substring(0, s[20].Length - 4);</div>
<div>        string path = Application.StartupPath;</div>
<div>        pictoday.Image = Image.FromFile(path+"\\images\\"+png+".png");</div>
<div>        pic1.Image = Image.FromFile(path + "\\images\\" + png + ".png");</div>
<div>        pic2.Image = Image.FromFile(path + "\\images\\" + png2 + ".png");</div>
<div>        pic3.Image = Image.FromFile(path + "\\images\\" + png3 + ".png");</div>
<div>        this.lbl1.Text = s[5].ToString();</div>
<div>        this.lbl2.Text = s[12].ToString();</div>
<div>        this.lbl3.Text = s[17].ToString();</div>
<div>        this.time.Text = s[4].ToString();</div>
<div>        this.address.Text = s[1].ToString();</div>
<div>        this.temperature.Text = s[5].ToString();</div>
<div>        this.label4.Text = s[6].Substring(s[6].IndexOf('日')+1).ToString();</div>
<div>        this.label5.Text = s[7].ToString();</div>
<div>        this.tempo1.Text = s[6].Substring(s[6].IndexOf('日')+1);</div>
<div>        this.tempo2.Text = s[13].Substring(s[13].IndexOf('日')+1);</div>
<div>        this.tempo3.Text = s[18].Substring(s[18].IndexOf('日')+1);</div>
<div>       </div>
<div></div>
<div>      }
<div>    }
<div>    //实现无边框移动</div>
<div>    private void Form1_MouseDown(object sender, MouseEventArgs e)</div>
<div>    {</div>
<div>      ReleaseCapture();</div>
<div>      SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);</div>
<div>    }
<div></div>
<div>    private void timer1_Tick(object sender, EventArgs e)</div>
<div>    {</div>
<div>      if (opacity <= 1) </div>
<div></div>
<div>      { </div>
<div></div>
<div>        opacity = opacity + 0.05; </div>
<div></div>
<div>        Opacity = opacity; </div>
<div>      } </div>
<div>    }
<div>  }
<div>}

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