asp.net 天气预报查寻

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C979170768

最新推荐文章于 2025-03-21 09:57:09 发布

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分类专栏： ASP.NET 文章标签： asp.net list class server asp button

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Asp.net 调用天气预报接口实现三天的天气显示

前台代码:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

.bigTitle

{

color: #FF0066;

font-size: x-large;

}

.style2

{

font-weight: 700;

background-color: #FFFFFF;

}

.style3

{

background-color: #6699FF;

}

.style4

{

background-color: #FF66FF;

}

.style5

{

font-weight: 700;

color: #FF0000;

background-color: #FFFFFF;

}

.style6

{

font-size: xx-large;

}

</style>

</head>

<body>

<table width="100%" border="0" cellpadding="0" cellspacing="0"

style="background-color: #FFFFFF">

<tr>

<td height="60" align="center"

style="font-weight: 700; color: #00FFFF; background-color: #669999">

<asp:Label Font-Bold="true" ID="Title" runat="server" CssClass="bigTitle"

Text="国内外主要城市 3天天气预报实例" />

<br />

提供大家学习交流`</td>

</tr>

<tr>

<td>

<table width="100%" border="0" cellspacing="2" cellpadding="0"

style="background-color: #FFFFCC">

<tr>

用户选择:</td>

省份:<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True"

Height="20px" onselectedindexchanged="DropDownList1_SelectedIndexChanged"

Width="147px">

</asp:DropDownList>

 城市:<asp:DropDownList ID="DropDownList2" runat="server" Height="20px" Width="140px">

</asp:DropDownList>

<asp:Button ID="Button2" runat="server" οnclick="Button2_Click" Text="查询" />

</td>

</tr>

<tr>

手动输入:</td>

城市:<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

<asp:Button ID="Button1" runat="server" οnclick="Button1_Click" Text="查询" />

</td>

</tr>

<tr>

</td>

<asp:Label CssClass="bredfont" ID="disp" runat="server"

style="font-size: xx-large" />

<span class="style6">三天气温如下:</span></strong></td>

</tr>

<tr>

</td>

<asp:Label ID="lab_sk" runat="server" CssClass="style2" />

</td>

</tr>

<tr>

</td>

<td>

</td>

</tr>

<tr>

</td>

<asp:Label ID="today" runat="server" CssClass="style2" />

<asp:Image AlternateText="icon" ID="today1" ImageAlign="AbsMiddle"

runat="server" />

<asp:Image AlternateText="icon" ID="today1_2" ImageAlign="AbsMiddle"

runat="server" />

</td>

</tr>

<tr>

</td>

<td>

</td>

</tr>

<tr>

<td>

 </td>

</tr>

<tr>

 </td>

<asp:Label ID="Label5" runat="server" CssClass="style2" />

</td>

</tr>

<tr>

</td>

<td>

</td>

</tr>

<tr>

</td>

<asp:Label ID="one_day" runat="server" CssClass="style2" />

<asp:Image AlternateText="icon" ID="today2_1" ImageAlign="AbsMiddle"

runat="server" />

<asp:Image AlternateText="icon" ID="today2_2" ImageAlign="AbsMiddle"

runat="server" />

</td>

</tr>

<tr>

</td>

<td>

</td>

</tr>

<tr>

</td>

<asp:Label ID="tow_day" runat="server" CssClass="style2" />

<asp:Image AlternateText="icon" ID="today3_1" ImageAlign="AbsMiddle"

runat="server" />

<asp:Image AlternateText="icon" ID="today3_2" ImageAlign="AbsMiddle"

runat="server" />

</td>

</tr>

<tr>

</td>

<td>

</td>

</tr>

<tr>

</td>

 </td>

</tr>

<tr>

<asp:Image ID="city_photo" ImageAlign="Left" runat="server" Width="400px"

Height="383px" />

<asp:Label ID="city_introduct" runat="server" CssClass="style2" />

</td>

</tr>

<tr>

<td height="30" colspan="2" align="right" valign="bottom"

style="background-color: #FF6600">

<strong>预报时间</strong>：

<asp:Label ID="datatime" runat="server" />

</td>

</tr>

</table>

</td>

</tr>

</table>

</div>

</form>

</body>

</html>

后台代码：

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Collections;

public partial class Default2 : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

three_day_weather.WeatherWebServiceSoapClient weather = new three_day_weather.WeatherWebServiceSoapClient("WeatherWebServiceSoap");

DataSet ds=weather.getSupportDataSet();

DropDownList1.DataSource = ds.Tables[0];

DropDownList1.DataValueField = "id";

DropDownList1.DataTextField = "zone";

DropDownList1.DataBind();

DropDownList1.Items.Insert(0, "选择省份");

disp_weather("沧州");

DropDownList2.Items.Add("选择城市");

}

/// lsit[0] 所属省

/// list[1] 城市

/// list[2] 城市编号

/// list[3] 图片

/// list[4] 为天气预报时间

/// list[5] 当天天气情况

/// list[6] 温度

/// list[7] 风力情况

/// list[10] 今日实况

/// list[8] 当天天气图片

// list[9] 当天天气图片

// list[15] 第二天天气图片（名称）

// list[16] 第二天天气图片

// list[20] 第三天天气图片

// list[21] 第三天天气图片

// list[11] 温馨提示

/// list[12] 第二天天气情况

/// list[13] 第二天温度

/// list[14] 风力情况

/// list[17] 第三天天气情况

/// list[18] 第三温度

/// list[19] 风力情况

/// list[22] 为城市信息

/// list[23] 返回作者

/// 本DLL文件来源于河软youkuaiyun.com 3 :QQ:979170768

/// 优快云博客: http://write.blog.youkuaiyun.com/postlist

/// dll文件采用返回xml文件来写的

/// 您也可以采用网上提供的返回来的数据等很多方法

/// 2011,12,18

/// </summary>

/// <param name="CityName"></param>

/// <returns></returns>

protected void Province_SelectedIndexChanged(object sender, EventArgs e)

{

}

protected void City_SelectedIndexChanged(object sender, EventArgs e)

{

}

protected void Button1_Click(object sender, EventArgs e)

{

disp_weather(TextBox1.Text.Trim());

}

private void disp_weather(string city)

{

try

{

ArrayList weather = weather = BNN_Weather.Bnn_Weather.Get_3day_weather(city);

lab_sk.Text = weather[10].ToString();

today.Text = weather[6] + "   " + weather[5] + "   " + weather[7];

one_day.Text = weather[13] + "   " + weather[12] + "   " + weather[14];

tow_day.Text = weather[18] + "   " + weather[17] + "   " + weather[19];

Label5.Text = weather[11].ToString().Replace("\n", "<br />");

city_introduct.Text = weather[22].ToString().Replace("\n", "<br />");

datatime.Text = DateTime.Parse(weather[4].ToString()).ToString("yyyy年MM月dd日 dddd HH:mm");

disp.Text = weather[0] + " / " + weather[1];

today1.ImageUrl = "~/weather/weather/" + weather[8];

today1_2.ImageUrl = "~/weather/weather/" + weather[9];

today2_1.ImageUrl = "~/weather/weather/" + weather[15];

today2_2.ImageUrl = "~/weather/weather/" + weather[16];

today3_1.ImageUrl = "~/weather/weather/" + weather[20];

today3_2.ImageUrl = "~/weather/weather/" + weather[21];

city_photo.ImageUrl = "http://www.cma.gov.cn/tqyb/img/city/" + weather[3];

}

catch (Exception)

{

Page.ClientScript.RegisterClientScriptBlock(GetType(), "asdf", "<script>alert('您提供的城市查不到')</script>");

}

protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)

{

three_day_weather.WeatherWebServiceSoapClient weather = new three_day_weather.WeatherWebServiceSoapClient("WeatherWebServiceSoap");

string[] ds = weather.getSupportCity(DropDownList1.SelectedItem.Text);

DropDownList2.Items.Clear();

foreach (string item in ds)

{

DropDownList2.Items.Add(item.Substring(0,item.LastIndexOf('(')));

}

DropDownList2.Items.Insert(0, "选择城市");

}

protected void Button2_Click(object sender, EventArgs e)

{

disp_weather(DropDownList2.SelectedItem.Text);

}

Dll代码如下:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Collections;

using System.Xml;

namespace BNN_Weather

{

public class Bnn_Weather

{

/// <summary>

/// CityName为用户当前要查寻的城市名称

/// 本方法返回一个数据组

/// CityPhoto.ImageUrl = "http://www.cma.gov.cn/tqyb/img/city/" + list[3]; //这里的list[3]是城市的图片

/// lsit[0] 所属省

/// list[1] 城市

/// list[2] 城市编号

/// list[3] 图片

/// list[4] 为天气预报时间

/// list[5] 当天天气情况

/// list[6] 温度

/// list[7] 风力情况

/// list[10] 今日实况

/// list[8] 当天天气图片

// list[9] 当天天气图片

// list[15] 第二天天气图片（名称）

// list[16] 第二天天气图片

// list[20] 第三天天气图片

// list[21] 第三天天气图片

// list[11] 温馨提示

/// list[12] 第二天天气情况

/// list[13] 第二天温度

/// list[14] 风力情况

/// list[17] 第三天天气情况

/// list[18] 第三温度

/// list[19] 风力情况

/// list[22] 为城市信息

/// list[23] 返回作者

/// 本DLL文件来源于河软youkuaiyun.com 3 :979170768

/// 优快云博客: http://write.blog.youkuaiyun.com/postlist

/// </summary>

/// <param name="CityName"></param>

/// <returns></returns>

public static ArrayList Get_3day_weather(string CityName)

{

XmlTextReader xt = new XmlTextReader("http://www.webxml.com.cn/WebServices/WeatherWebService.asmx/getWeatherbyCityName?theCityName=" + CityName);

int i = 0;

ArrayList list = new ArrayList();

while (xt.Read())

{

if (xt.NodeType == XmlNodeType.Text)

{

list.Add(xt.Value);

}

list.Add("本DLL文件来源于河软youkuaiyun.com 3 :979170768+++优快云博客: http://write.blog.youkuaiyun.com/postlist");

return list;

}

QQ:979170768

白宁宁

2011,12,18

河软优快云

优快云博客: http://write.blog.youkuaiyun.com/postlist

百度博客: http://hi.baidu.com/979170768/blog