我有一个xml，我想用c＃重写它，用不同的vaule转换它，这里是旧的xml：
<Connection ConnectionID="106359" From_PhraseID="1" To_PhraseID="tg1c8p-jgg-dbh-b4l-hir5cpla7_nl" />
<Connection ConnectionID="106360" From_PhraseID="tg1c8p-jgg-dbh-b4l-hir5cpla7_nl" To_PhraseID="tg0if2-jc8-k6i-spg-2tof46ftr_nl" />
<Connection ConnectionID="106361" From_PhraseID="tg1c8p-jgg-dbh-b4l-hir5cpla7_nl" To_PhraseID="4trq50-2h0-kqc-9ku-bm8f4cte7_nl" />
<Connection ConnectionID="106362" From_PhraseID="tg1c8p-jgg-dbh-b4l-hir5cpla7_nl" To_PhraseID="1fpspg-tmq-7ln-a9b-3mr3962ca_nl" />
<Connection ConnectionID="106358" From_PhraseID="tg0if2-jc8-k6i-spg-2tof46ftr_nl" To_PhraseID="jmrgi1-dst-kt6-roo-lrahuk6tj_nl" />
<Connection ConnectionID="106373" From_PhraseID="4trq50-2h0-kqc-9ku-bm8f4cte7_nl" To_PhraseID="97bngg-ggb-k8l-ggf-qnre46ckq_nl" />
<Connection ConnectionID="106376" From_PhraseID="1fpspg-tmq-7ln-a9b-3mr3962ca_nl" To_PhraseID="bqgccm-55n-iur-061-27obhegve_nl" />
和新的xml应该是：
<Connection ConnectionID="106359" From_PhraseID="0" To_PhraseID="1" />
<Connection ConnectionID="106360" From_PhraseID="1" To_PhraseID="2" />
<Connection ConnectionID="106361" From_PhraseID="1" To_PhraseID="3" />
<Connection ConnectionID="106362" From_PhraseID="1" To_PhraseID="4" />
<Connection ConnectionID="106358" From_PhraseID="2" To_PhraseID="6" />
<Connection ConnectionID="106373" From_PhraseID="3" To_PhraseID="7" />
<Connection ConnectionID="106376" From_PhraseID="4" To_PhraseID="5" />
任何想法如何在c＃中编写它，我在这里开始，这段代码可以加载旧的xml获取c＃中的所有旧值，但是如何更改值
public class Dialogs{
public Dictionary<string, Connection> Connections = new Dictionary<string, Connection>();
}
public class Connection
{
public string ConnectionID = null;
public string FromPhraseID = null;
public string ToPhraseID = null;
}
List<Connection> connectionsList = new List<Connection>();
Dialogs resultDialog = new Dialogs();
// Document
XmlDocument xml = new XmlDocument();
TextAsset asset = (TextAsset)Resources.Load("Dialogs/online");
xml.LoadXml(asset.text);
// Connections
XmlNodeList connections = xml.GetElementsByTagName("Connection");
foreach (XmlNode connectionNode in connections)
{
Connection connection = NodeToConnection(connectionNode);
connectionsList.Add(connection);
if (connection != null)
AddOrUpdateList(resultDialog.FromLists, connection);
}
private Connection NodeToConnection(XmlNode node)
{
Connection connection = new Connection();
connection.ConnectionID = node.Attributes["ConnectionID"].Value;
connection.FromPhraseID = node.Attributes["From_PhraseID"].Value;
connection.ToPhraseID = node.Attributes["To_PhraseID"].Value;
return connection;
}
private void AddOrUpdateList(Dictionary<string, List<Connection>> dic, Connection con)
{
if (dic.ContainsKey(con.FromPhraseID))
dic[con.FromPhraseID].Add(con);
else
dic.Add(con.FromPhraseID, new List<Connection>(new Connection[] {con}));
}
答案 0 :(得分：1)
请尝试以下代码。我用字典来存储替换值
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.Xml.Linq;
using System.IO;
namespace ConsoleApplication28
{
class Program
{
static void Main(string[] args)
{
string input =
"<Connection ConnectionID=\"106359\" From_PhraseID=\"1\" To_PhraseID=\"tg1c8p-jgg-dbh-b4l-hir5cpla7_nl\" />" +
"<Connection ConnectionID=\"106360\" From_PhraseID=\"tg1c8p-jgg-dbh-b4l-hir5cpla7_nl\" To_PhraseID=\"tg0if2-jc8-k6i-spg-2tof46ftr_nl\" />" +
"<Connection ConnectionID=\"106361\" From_PhraseID=\"tg1c8p-jgg-dbh-b4l-hir5cpla7_nl\" To_PhraseID=\"4trq50-2h0-kqc-9ku-bm8f4cte7_nl\" />" +
"<Connection ConnectionID=\"106362\" From_PhraseID=\"tg1c8p-jgg-dbh-b4l-hir5cpla7_nl\" To_PhraseID=\"1fpspg-tmq-7ln-a9b-3mr3962ca_nl\" />" +
"<Connection ConnectionID=\"106358\" From_PhraseID=\"tg0if2-jc8-k6i-spg-2tof46ftr_nl\" To_PhraseID=\"jmrgi1-dst-kt6-roo-lrahuk6tj_nl\" />" +
"<Connection ConnectionID=\"106373\" From_PhraseID=\"4trq50-2h0-kqc-9ku-bm8f4cte7_nl\" To_PhraseID=\"97bngg-ggb-k8l-ggf-qnre46ckq_nl\" />" +
"<Connection ConnectionID=\"106376\" From_PhraseID=\"1fpspg-tmq-7ln-a9b-3mr3962ca_nl\" To_PhraseID=\"bqgccm-55n-iur-061-27obhegve_nl\" />";
input = "<Root>" + input + "</Root>";
StringReader reader = new StringReader(input);
XDocument doc = XDocument.Load(reader);
int value = 1;
Dictionary<string, int> dict = new Dictionary<string, int>();
foreach (XElement connection in doc.Root.Elements("Connection"))
{
string fromAttr = connection.Attribute("From_PhraseID").Value;
if (!dict.ContainsKey(fromAttr))
{
dict.Add(fromAttr, value++);
}
string toAttr = connection.Attribute("To_PhraseID").Value;
if (!dict.ContainsKey(toAttr))
{
dict.Add(toAttr, value++);
}
}
foreach (XElement connection in doc.Root.Elements("Connection"))
{
string fromAttr = connection.Attribute("From_PhraseID").Value;
connection.Attribute("From_PhraseID").Value = dict[fromAttr].ToString();
string toAttr = connection.Attribute("To_PhraseID").Value;
connection.Attribute("To_PhraseID").Value = dict[toAttr].ToString();
}
}
}
}
答案 1 :(得分：0)
使用属性设置器？
您按node.Attributes["ConnectionID"].Value获取了价值，因此您可以按以下方式设置：
node.Attributes["ConnectionID"].Value = "new value"
如果可以的话，我强烈建议使用LINQ to XML（XDocument）而不是旧的XmlDocument API。
在这种情况下，使用XmlSerializer将XML反序列化为Connection对象，进行更改并序列化回XML，甚至可能更有意义（并使用更少的代码）。
目前还不清楚你的重编号逻辑是什么。我已经创建了一个使用LINQ to XML执行此操作的示例，并按照它们看到的顺序对Phrase ID进行编号：
public class ConnectionRenumberer
{
private List<string> phraseIds;
public string RenumberConnections(string xml)
{
phraseIds = new List<string>();
var doc = XDocument.Parse(xml);
foreach (var connection in doc.Descendants("Connection"))
{
var from = connection.Attribute("From_PhraseID");
from.Value = NewPhraseId(from.Value);
var to = connection.Attribute("To_PhraseID");
to.Value = NewPhraseId(to.Value);
}
return doc.ToString();
}
private string NewPhraseId(string value)
{
var index = phraseIds.IndexOf(value);
if (index == -1)
{
index = phraseIds.Count;
phraseIds.Add(value);
}
return index.ToString();
}
}
这是一个相当天真的解决方案。如果输入xml很大，phraseIds会更好地替换为Dictionary。
答案 2 :(得分：0)
我使用LINQ to XML。
这是一个可以为一个元素执行所需操作的示例。我会让你从那里拿走它。
static void Main(string[] args)
{
try
{
string rootXml = "<Root><Connection ConnectionID=\"106359\" From_PhraseID=\"1\" To_PhraseID=\"tg1c8p-jgg-dbh-b4l-hir5cpla7_nl\"></Connection><Connection ConnectionID=\"106360\" From_PhraseID=\"tg1c8p-jgg-dbh-b4l-hir5cpla7_nl\" To_PhraseID=\"tg0if2-jc8-k6i-spg-2tof46ftr_nl\"></Connection><Connection ConnectionID=\"106361\" From_PhraseID=\"tg1c8p-jgg-dbh-b4l-hir5cpla7_nl\" To_PhraseID=\"4trq50-2h0-kqc-9ku-bm8f4cte7_nl\"></Connection><Connection ConnectionID=\"106362\" From_PhraseID=\"tg1c8p-jgg-dbh-b4l-hir5cpla7_nl\" To_PhraseID=\"1fpspg-tmq-7ln-a9b-3mr3962ca_nl\"></Connection><Connection ConnectionID=\"106358\" From_PhraseID=\"tg0if2-jc8-k6i-spg-2tof46ftr_nl\" To_PhraseID=\"jmrgi1-dst-kt6-roo-lrahuk6tj_nl\"></Connection><Connection ConnectionID=\"106373\" From_PhraseID=\"4trq50-2h0-kqc-9ku-bm8f4cte7_nl\" To_PhraseID=\"97bngg-ggb-k8l-ggf-qnre46ckq_nl\"></Connection><Connection ConnectionID=\"106376\" From_PhraseID=\"1fpspg-tmq-7ln-a9b-3mr3962ca_nl\" To_PhraseID=\"bqgccm-55n-iur-061-27obhegve_nl\"></Connection></Root>";
XElement root = XElement.Load((new StringReader(rootXml)), LoadOptions.None);
root.Descendants().Where(i => i.Attribute("To_PhraseID").Value == "tg1c8p-jgg-dbh-b4l-hir5cpla7_nl")
.ToList()
.ForEach(i => i.SetAttributeValue("To_PhraseID", "MYNEWID"));
var x = root.ToString();
}
catch (Exception ex)
{
}
}