使用C＃的天气预报系统 [英] Weather forecast system using C#

问题描述

我想用c＃创建一个简单的天气预报系统。我需要只显示云状况，温度，湿度，风只显示为即将到来的一周7天。请帮助我做这个系统。我附上了我到目前为止尝试的代码。最终的7天结果必须在数据网格视图中显示



我尝试过：



StringBuilder sb = new StringBuilder（）;

sb.Append（http://api.apixu.com/v1/forecast.xml?key=5 [删除] 0& q =）;

sb.Append（txtcity.Text）;

sb.Append（& days = {1}）;

sb.Append（{7}）;



var request = sb.ToString（）;



使用（var webClient = new WebClient（））

{

var response = webClient.DownloadData（request）;



var xml = Encoding.UTF8.GetString（response）;



using（var sr = new StringReader（xml） ）

{

var dataSet = new DataSet（）;

dataSet.ReadXml（sr）;

dataGridView1 。 DataSource = dataSet.Tables [0];

}

}

解决方案

我看到至少3件事错误：

• 您已将APIXU私钥公开，并将其包含在您的帖子中。
  
  
• 第二个 .Append（）来电应该是 .Append（& days = 7）。
  
  
• 您不需要最后的 .Append（）来电。

/ ravi

你在构建字符串时使用占位符，但是你可能会错误地使用它。

也许试试：

  int  numberOfDays =  7 ; 
 StringBuilder sb =  new  StringBuilder（）; 
 sb.Append（  http://api.apixu.com/v1/forecast.xml?key =<删节>&安培; q =）; 
 sb.Append（txtcity.Text）; 
 sb.AppendFormat（ & days = {0}，numberOfDays）; 

根据您使用的C＃版本，您也可以尝试：

 sb.Append（

& days = {numberOfDays}）;

（注意




i want to make a simple weather forecasting system using c#. i need to display only cloud condition,temperature, humidity,wind only to display for coming up week for 7 days .please any help me to do this system.i attached the code I tried so far. the final 7-day result has to be displayed at the data grid view

What I have tried:

StringBuilder sb = new StringBuilder();
sb.Append("http://api.apixu.com/v1/forecast.xml?key=5[DELETED]0&q=");
sb.Append(txtcity.Text);
sb.Append("&days={1}");
sb.Append("{7}");

var request = sb.ToString();

using (var webClient = new WebClient())
{
var response = webClient.DownloadData(request);

var xml = Encoding.UTF8.GetString(response);

using (var sr = new StringReader(xml))
{
var dataSet = new DataSet();
dataSet.ReadXml(sr);
dataGridView1.DataSource = dataSet.Tables[0];
}
}

解决方案

I see at least 3 things wrong:

• You've exposed your APIXU private key to the world by including it in your post.
  
• The 2nd .Append() call should be .Append("&days=7").
  
• You don't need the last .Append() call.

/ravi




You are using a placeholder while building your string, but you may use it incorrectly.
Maybe try:

int numberOfDays = 7;
StringBuilder sb = new StringBuilder();
sb.Append("http://api.apixu.com/v1/forecast.xml?key=<redacted>&q=");
sb.Append(txtcity.Text);
sb.AppendFormat("&days={0}", numberOfDays);

Depending on C# version you are using, you may also try:

sb.Append(




"&days={numberOfDays}");

(notice the




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