XmlWriterSettings,XmlTextWriter,XmlWriter没有格式化输出?!没有新线,没有缩进

时间:2011-09-26 00:40:48

标签: c# .net xml xmldocument xmlwriter

在VS2008中使用.Net 3.5 SP1我有一个XmlDocument并尝试将其写入文件:

using (XmlTextWriter tw = new XmlTextWriter(outXmlFileName, System.Text.Encoding.UTF8))
{
    tw.Formatting = Formatting.Indented;
    tw.Indentation = 3;
    tw.IndentChar = ' ';
    tw.QuoteChar = '\'';
    doc.Save(tw);
}

XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
using (XmlWriter writer = XmlWriter.Create(outXmlFileName, settings))
{
    doc.Save(writer);
}

文档中不清楚的是http://msdn.microsoft.com/en-us/library/kkz7cs0d.aspx,如果我应该使用.Net 2上面的XmlWriter.Create(),无论如何这两种方法都不能格式化输出!我只是得到了XmlDocument实例中的内容:

<?xml version='1.0' encoding='utf-8'?>
<root>
<node1  />
<node2 value='Data' />
<node3 value='ID' /><node4><item>
<from value='1 Jan 1870' />
<id value='PF' />
<to value='1 Jan 1940' /></item></node4>
</root>

如何在从.Net写入文件之前整理我的XML?!

1 个答案:

答案 0 :(得分:2)

我通过将XML加载到第二个中间XmlDocument实例来使其工作,因此它忘记了原始的空白区域:

            XmlWriterSettings settings = new XmlWriterSettings(); // http://msdn.microsoft.com/en-us/library/kkz7cs0d(VS.85).aspx
            settings.Indent = true;

            XmlDocument doc2 = new XmlDocument();
            doc2.LoadXml(doc.OuterXml);

            using (XmlWriter writer = XmlWriter.Create(outXmlFileName, settings))
            {
                doc2.Save(writer);
            }