使用 linq to XML 添加元素到 XML

发布于 2024-12-06 16:00:53 字数 1062 浏览 1 评论 0原文

我有这段代码，我用它来添加一些元素：

  string xmlTarget = string.Format(@"<target name='{0}' type='{1}' layout='${{2}}'  />",
                                                new object[] { target.Name, target.Type, target.Layout });
            Configuration configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
            var xmlDoc = XElement.Load(configuration.FilePath);
            var nlog = xmlDoc.Elements("nlog");

            if (nlog.Count() == 0)
            {
                return false;
            }
            xmlDoc.Elements("nlog").First().Elements("targets").First().Add(xmlTarget);
            xmlDoc.Save(configuration.FilePath,SaveOptions.DisableFormatting);
            configuration.Save(ConfigurationSaveMode.Modified);
            ConfigurationManager.RefreshSection("nlog");
            return true;

它应该向 xml 添加一个目标，问题是它替换了“<”与“<”和“>” “>”搞乱了我的 xml 文件。

我该如何解决这个问题？

注意请不要关注nlog，我担心linqtoxml问题。

原文

i have this piece of code which i use to add some elements:

  string xmlTarget = string.Format(@"<target name='{0}' type='{1}' layout='${{2}}'  />",
                                                new object[] { target.Name, target.Type, target.Layout });
            Configuration configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
            var xmlDoc = XElement.Load(configuration.FilePath);
            var nlog = xmlDoc.Elements("nlog");

            if (nlog.Count() == 0)
            {
                return false;
            }
            xmlDoc.Elements("nlog").First().Elements("targets").First().Add(xmlTarget);
            xmlDoc.Save(configuration.FilePath,SaveOptions.DisableFormatting);
            configuration.Save(ConfigurationSaveMode.Modified);
            ConfigurationManager.RefreshSection("nlog");
            return true;

it supposed to add a target to the xml , problem is it replace "<" with "<" and ">" with ">" which mess up my xml file.

how do i fix this ?

Note please dont pay attention to nlog, i`m concerned about the linqtoxml problem.

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亚希 2024-12-13 16:00:53

您当前正在添加一个字符串。这将作为内容添加。如果你想添加一个元素，你应该首先这样解析它：

XElement element = XElement.Parse(xmlTarget);

或者更好地，构造它：

XElement element = new XElement("target",
    new XAttribute("type", target.Name),
    new XAttribute("type", target.Type),
    // It's not clear what your format string was trying to achieve here
    new XAttribute("layout", target.Layout));

基本上，如果你发现自己使用字符串操作来创建XML然后解析它，那么你就是做错了。使用 API 本身构建基于 XML 的对象。

You're currently adding a string. That will be added as content. If you want to add an element, you should parse it as such first:

XElement element = XElement.Parse(xmlTarget);

Or preferrably, construct it instead:

XElement element = new XElement("target",
    new XAttribute("type", target.Name),
    new XAttribute("type", target.Type),
    // It's not clear what your format string was trying to achieve here
    new XAttribute("layout", target.Layout));

Basically, if you find yourself using string manipulation to create XML and then parse it, you're doing it wrong. Use the API itself to construct XML-based objects.

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