C# 可以使用 XmlWriter 将 XML 写入内存吗？
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/683189/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
Possible to write XML to memory with XmlWriter?
提问by MetaGuru
I am creating an ASHX that returns XML however it expects a path when I do
我正在创建一个返回 XML 的 ASHX，但是当我这样做时它需要一个路径
XmlWriter writer = XmlWriter.Create(returnXML, settings)
But returnXML is just an empty string right now (guess that won't work), however I need to write the XML to something that I can then send as the response text. I tried XmlDocument but it gave me an error expecting a string. What am I missing here?
但是 returnXML 现在只是一个空字符串（猜想这行不通），但是我需要将 XML 写入一些内容，然后我可以将其作为响应文本发送。我试过 XmlDocument 但它给了我一个错误，需要一个字符串。我在这里缺少什么？
采纳答案by Jon Skeet
If you really want to write into memory, pass in a StringWriteror a StringBuilderlike this:
如果你真的想写入内存，像这样传入 aStringWriter或 a StringBuilder：
using System;
using System.Text;
using System.Xml;
public class Test
{
static void Main()
{
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
StringBuilder builder = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(builder, settings))
{
writer.WriteStartDocument();
writer.WriteStartElement("root");
writer.WriteStartElement("element");
writer.WriteString("content");
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndDocument();
}
Console.WriteLine(builder);
}
}
If you want to write it directly to the response, however, you could pass in HttpResponse.Outputwhich is a TextWriterinstead:
但是，如果您想将其直接写入响应，则可以传入HttpResponse.Outputwhich is a TextWriter：
using (XmlWriter writer = XmlWriter.Create(Response.Output, settings))
{
// Write into it here
}
回答by Steve
The best way to do that is to write directly to the Response Output Stream. Its a stream that's built-in to ASP.NET to allow you to write whatever output as a stream, in this case you can write XML to it.
最好的方法是直接写入响应输出流。它是一个内置于 ASP.NET 的流，允许您将任何输出编写为流，在这种情况下，您可以将 XML 写入它。
回答by BFree
StringBuilder xml = new StringBuilder();
TextWriter textWriter = new StringWriter(xml);
XmlWriter xmlWriter = new XmlTextWriter(textWriter);
Then, use the xmlWriter to do all the xml writing, and that writes it directly to the StringBuilder.
然后，使用 xmlWriter 完成所有 xml 写入，并将其直接写入 StringBuilder。
Edit: Thanks to Jon Skeet's comment:
编辑：感谢 Jon Skeet 的评论：
StringBuilder xml = new StringBuilder();
XmlWriter xmlWriter = XmlWriter.Create(xml);
回答by Lo?c
Something was missing on my side: flushing the XmlWriter's buffer:
我这边缺少一些东西：刷新 XmlWriter 的缓冲区：
static void Main()
{
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
StringBuilder builder = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(builder, settings))
{
writer.WriteStartDocument();
writer.WriteStartElement("root");
writer.WriteStartElement("element");
writer.WriteString("content");
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Flush();
}
Console.WriteLine(builder);
}
