win8 解析xml

实例URLhttp://news.ifeng.com/rss/world.xml

 1  public async void LoadXmlToString(string xmlData, string rssKind)
 2         {
 3             DateTime now = DateTime.Now;
 4             Debug.WriteLine(now);
 5             XElement xelem = XElement.Parse(xmlData);
 6             IEnumerable<XElement> items = from data in xelem.Elements("channel").Elements("item") select data;
 7             string author = string.Empty;//作者
 8             string title = string.Empty;//标题
 9             string link = string.Empty;//详细链接
10             string pubdate = string.Empty;//发表时间
11             string description = string.Empty;//内容
12             foreach (XElement item in items)
13             {
14                 News newitem = new News();
15 
16                 title = item.Element("title").Value;
17                 //去除括号和括号中的内容
18                 while (title.Contains("("))
19                 {
20                     int leftindex = title.IndexOf('(');
21                     int rightindex = 0;
22                     if (leftindex > 0)
23                     {
24                         rightindex = title.IndexOf(')');
25                         title = title.Remove(leftindex, (rightindex - leftindex) + 1);
26                     }
27                 }
28                 newitem.NewsTitle = title;
29 
30                 link = item.Element("link").Value;
31                 newitem.NewsDetailLink = link;
32 }

请求数据：

 1  public async Task<string> HttpWebRequestutfString(string requestURI)
 2        {
 3            string ResponseData = null;
 4            byte[] responseData = null;
 5            try
 6            {
 7                Uri uri = new Uri(requestURI);
 8                HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(uri);
 9                HttpWebResponse webResponse = (HttpWebResponse)await webRequest.GetResponseAsync();
10                Stream stream = webResponse.GetResponseStream();
11                if (stream != null)
12                {
13                    List<byte> bytes = new List<byte>();
14                    int temp = stream.ReadByte();
15                    while (temp != -1)
16                    {
17                        bytes.Add((byte)temp);
18                        temp = stream.ReadByte();
19                    }
20                    responseData = bytes.ToArray();
21                }
22                //获取字符类型的返回数据
23                ResponseData = System.Text.Encoding.UTF8.GetString(responseData, 0, responseData.Length);
24                //考虑到gb2312编码情况
25                int indexcharset = ResponseData.IndexOf("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=");
26                int indexencoding = ResponseData.IndexOf("encoding");
27                string charset = null;
28                if (indexcharset >= 0) //html页面数据
29                {
30                    charset = ResponseData.Substring(indexcharset, 80);
31                }
32                if (indexencoding >= 0)  //xml页面数据
33                {
34                    charset = ResponseData.Substring(indexencoding, 20);
35                }
36                if (charset.ToLower().Contains("gb2312") || charset.ToLower().Contains("gbk"))
37                {
38                    Gb2312Encoding encoding = new Gb2312Encoding();
39                    ResponseData = encoding.GetString(responseData, 0, responseData.Length).TrimEnd('\0');
40                }
41 
42            }
43            catch (Exception)
44            { }
45            return ResponseData;
46 
47        }

转载于:https://www.cnblogs.com/win-and-first/archive/2012/07/11/2586073.html