如何从URL中获取数据并将其保存到C#.NET中的二进制文件中,而不出现编码混乱?
在C#.NET中,我想从URL获取数据并将其保存到二进制文件中 使用HttpWebRequest/Streamreader读取字符串并使用StreamWriter保存可以很好地处理ASCII,但非ASCII字符会被破坏,因为系统认为它必须担心编码、编码为Unicode或from或其他 从URL获取数据并将其保存到二进制文件的最简单方法是什么如何从URL中获取数据并将其保存到C#.NET中的二进制文件中,而不出现编码混乱?,c#,.net,http,encoding,binary,C#,.net,Http,Encoding,Binary,在C#.NET中,我想从URL获取数据并将其保存到二进制文件中 使用HttpWebRequest/Streamreader读取字符串并使用StreamWriter保存可以很好地处理ASCII,但非ASCII字符会被破坏,因为系统认为它必须担心编码、编码为Unicode或from或其他 从URL获取数据并将其保存到二进制文件的最简单方法是什么 // This code works, but for ASCII only String url = "url..."; HttpWebRequest
// This code works, but for ASCII only
String url = "url...";
HttpWebRequest request = (HttpWebRequest)
WebRequest.Create(url);
// execute the request
HttpWebResponse response = (HttpWebResponse)
request.GetResponse();
// we will read data via the response stream
Stream ReceiveStream = response.GetResponseStream();
StreamReader readStream = new StreamReader( ReceiveStream );
string contents = readStream.ReadToEnd();
string filename = @"...";
// create a writer and open the file
TextWriter tw = new StreamWriter(filename);
tw.Write(contents.Substring(5));
tw.Close();
只是不要使用任何StreamReader或TextWriter。使用原始文件流保存到文件中
String url = ...;
HttpWebRequest request = (HttpWebRequest) WebRequest.Create(url);
// execute the request
HttpWebResponse response = (HttpWebResponse) request.GetResponse();
// we will read data via the response stream
Stream ReceiveStream = response.GetResponseStream();
string filename = ...;
byte[] buffer = new byte[1024];
FileStream outFile = new FileStream(filename, FileMode.Create);
int bytesRead;
while((bytesRead = ReceiveStream.Read(buffer, 0, buffer.Length)) != 0)
outFile.Write(buffer, 0, bytesRead);
// Or using statement instead
outFile.Close()
最低限度的回答:
using (WebClient client = new WebClient()) {
client.DownloadFile(url, filePath);
}
或在PowerShell中(建议匿名编辑):
这就是我使用的:
sUrl = "http://your.com/xml.file.xml";
rssReader = new XmlTextReader(sUrl.ToString());
rssDoc = new XmlDocument();
WebRequest wrGETURL;
wrGETURL = WebRequest.Create(sUrl);
Stream objStream;
objStream = wrGETURL.GetResponse().GetResponseStream();
StreamReader objReader = new StreamReader(objStream, Encoding.UTF8);
WebResponse wr = wrGETURL.GetResponse();
Stream receiveStream = wr.GetResponseStream();
StreamReader reader = new StreamReader(receiveStream, Encoding.UTF8);
string content = reader.ReadToEnd();
XmlDocument content2 = new XmlDocument();
content2.LoadXml(content);
content2.Save("direct.xml");
令人惊叹的!非常感谢。这行不是多余的吗?:[System.Net.WebClient]::WebClient@Backwards_Dave很可能;我不是一个powershell爱好者,正如我所指出的:这是通过匿名编辑建议的是,
[System.Net.WebClient]::WebClient
是多余的。不会破坏任何东西,但不是必需的。别忘了使用outFile.Close()。谢谢,@Rios补充道(或者更好地使用)。
sUrl = "http://your.com/xml.file.xml";
rssReader = new XmlTextReader(sUrl.ToString());
rssDoc = new XmlDocument();
WebRequest wrGETURL;
wrGETURL = WebRequest.Create(sUrl);
Stream objStream;
objStream = wrGETURL.GetResponse().GetResponseStream();
StreamReader objReader = new StreamReader(objStream, Encoding.UTF8);
WebResponse wr = wrGETURL.GetResponse();
Stream receiveStream = wr.GetResponseStream();
StreamReader reader = new StreamReader(receiveStream, Encoding.UTF8);
string content = reader.ReadToEnd();
XmlDocument content2 = new XmlDocument();
content2.LoadXml(content);
content2.Save("direct.xml");