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[英].NET : How to validate XML file with DTD without DOCTYPE declaration
[英]How to append a text in a Xml DOCTYPE declaration reference?
可以說我有一個doctype:
<!DOCTYPE beer PUBLIC "-//BEER//DTD beer DTD version 2.0//KF//XML" "Kingfisher.dtd">
我的要求是我有一個路徑(文本),需要像這樣將其附加到doctype:
path = "C:/Beer/"
因此,在將路徑附加到dtd參考之后,我的doctype應該如下所示:
<!DOCTYPE beer PUBLIC "-//BEER//DTD beer DTD version 2.0//KF//XML" "C:/Beer/Kingfisher.dtd">
您當然可以使用正則表達式來做到這一點,但您不應該這樣做。 .net中有更好的xml操作工具。
var xml = "<!DOCTYPE beer PUBLIC \"-//BEER//DTD beer DTD version 2.0//KF//XML\" \"Kingfisher.dtd\"><root></root>";
var xd = XDocument.Parse(xml);
var path = "C:/Beer/";
xd.DocumentType.SystemId = Path.Combine(path, xd.DocumentType.SystemId)
使用Xml Linq:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.Xml.Linq;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
string xml = "<?xml version=\"1.0\" encoding=\"utf-8\" ?><!DOCTYPE beer PUBLIC \"-//BEER//DTD beer DTD version 2.0//KF//XML\" \"Kingfisher.dtd\"><root></root>";
XDocument doc = XDocument.Parse(xml);
XDocumentType _type = (XDocumentType)doc.Nodes().Where(x => x.NodeType == XmlNodeType.DocumentType).FirstOrDefault();
_type.SystemId = "C:/Beer/Kingfisher.dtd";
}
}
}
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