如何从openweathermap获取数据

问题描述

大家好，我需要从www.openweathermap.org获取信息。

我在google中发现这个类但是它不起作用idk为什么

 Imports System.Xml 
 Imports System.Net 
 
 Public Class Weather_API 
 Private lpCity As String 
 Sub New（ ByVal City As String）
 lpCity = City 
 End Sub 
公共函数Get_Weather（）As String 
 Dim x As New XmlDocument 
 Dim i As New WebClient 
 x.LoadXml（i.DownloadString（" http://api.openweathermap.org/data/2.5/forecast/daily?q ="& lpCity&"& mode = xml& units = metric" ））
 Dim City As String ="" 
 Dim Country As String ="" 
 Dim lastupdate As String ="" 
 Dim temp As String 
 Dim humidity As String 
 Dim clouds As String 
 Dim windspeed As String 
 For each xn As XmlNode in x.GetElementsByTagName（" name" ）
 City = xn.InnerText 
 Next 
 For each xn As xmlNode in x.GetElementsByTagName（" country"）
 Country = xn.InnerText 
 Next 
 for Each xn As XmlNode in x.GetElementsByTagName（" lastupdate"）
 lastupdate = xn.InnerText 
 Next 
 temp = x.GetElementsByTagName（" temperature"）（0）。 Attributes（0）.InnerText 
 humidity = x.GetElementsByTagName（" humidity"）（0）.Attributes（0）.InnerText& "％" 
 clouds = x.GetElementsByTagName（" clouds"）（0）.Attributes（0）.InnerText 
 windspeed = x.GetElementsByTagName（" windSpeed"）（0）.Attributes（0）.InnerText &安培; " MPS" &安培; " /" &安培; x.GetElementsByTagName（" windSpeed"）（0）.Attributes（1）.InnerText 
 Dim Full As String =" Country：" &安培;国家和地区" " &安培;城市与城市" -  L.Update：" &安培; lastupdate& " - 湿度：" &安培;湿度& "温度：" &安培;温度与温度" °C  - " &安培; "云：" &安培;云与云" -  WindSpeed：" &安培; windspeed 
返回完整
结束功能
 
结束等级

致电：

 Dim WA As New Weather_API（" Syria，Aleppo"）
 TextBox1.Text = WA.Get_Weather 

请帮帮我

解决方案

hi guys, i need get wather information from www.openweathermap.org

i found this class in google but it's not work idk why

Imports System.Xml
Imports System.Net

Public Class Weather_API
    Private lpCity As String
    Sub New(ByVal City As String)
        lpCity = City
    End Sub
    Public Function Get_Weather() As String
        Dim x As New XmlDocument
        Dim i As New WebClient
        x.LoadXml(i.DownloadString("http://api.openweathermap.org/data/2.5/forecast/daily?q=" & lpCity & "&mode=xml&units=metric"))
        Dim City As String = ""
        Dim Country As String = ""
        Dim lastupdate As String = ""
        Dim temp As String
        Dim humidity As String
        Dim clouds As String
        Dim windspeed As String
        For Each xn As XmlNode In x.GetElementsByTagName("name")
            City = xn.InnerText
        Next
        For Each xn As XmlNode In x.GetElementsByTagName("country")
            Country = xn.InnerText
        Next
        For Each xn As XmlNode In x.GetElementsByTagName("lastupdate")
            lastupdate = xn.InnerText
        Next
        temp = x.GetElementsByTagName("temperature")(0).Attributes(0).InnerText
        humidity = x.GetElementsByTagName("humidity")(0).Attributes(0).InnerText & "%"
        clouds = x.GetElementsByTagName("clouds")(0).Attributes(0).InnerText
        windspeed = x.GetElementsByTagName("windSpeed")(0).Attributes(0).InnerText & "MPS" & " / " & x.GetElementsByTagName("windSpeed")(0).Attributes(1).InnerText
        Dim Full As String = "Country : " & Country & " " & City & " - L.Update : " & lastupdate & " - Humidity : " & humidity & " Temperature : " & temp & " °C -" & " Clouds: " & clouds & " - WindSpeed : " & windspeed
        Return Full
    End Function

End Class

call:

 Dim WA As New Weather_API("Syria,Aleppo")
        TextBox1.Text = WA.Get_Weather

please help me

解决方案

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