XMLDocument、XMLTextWriter 和 HttpWebResponse Class 在 .NET Core 项目中不起作用

Question

我正在尝试将控制台应用程序项目集成到 a.netcore 项目中。在我的控制台应用程序中，该项目完全按照我的意愿进行构建和运行但是当我尝试添加库引用时将其复制到 .net 核心 Web 应用程序时，它建议使用一个完全不同的库我正在使用控制台应用程序的那些。当我尝试使用建议的库时，项目将无法构建，或者如果我使用完全相同的参考，它将无法在 .net 核心 Web 应用程序中工作。

private HttpWebResponse PutOnUri(string uri, string contentType, string body)
{
    try
    {
        byte[] bodyBytes = Encoding.UTF8.GetBytes(body);

        var client = (HttpWebRequest)HttpWebRequest.Create(uri);
        client.AllowAutoRedirect = false;
        client.AllowWriteStreamBuffering = false;

        client.Method = "PUT";
        client.ContentType = contentType;
        client.ContentLength = bodyBytes.Length;

        client.GetRequestStream().Write(bodyBytes, 0, bodyBytes.Length);
        return (HttpWebResponse)client.GetResponse();
    }
    catch (WebException e)
    {
        return (HttpWebResponse)e.Response;
    }
}


 private XmlDocument LoadXMLFromUri(string uri)
 {
     XmlDocument doc = new XmlDocument();
     doc.Load(uri);
     return doc;
 }

 private string ConvertXmlDocumentToString(XmlDocument doc)
 {
     StringWriter sw = new StringWriter();
     XmlTextWriter tx = new XmlTextWriter(sw);
     doc.WriteTo(tx);
     return sw.ToString();
 }

这些是我在旧控制台应用程序中使用的参考，它工作正常：

using System;
using System.IO;
using System.Net;
using System.Text;
using System.Xml;

附加功能（使用 XPAth）：

private string GetValueFromDocumentByXPath(XmlDocument doc, string xpath)
{
    var nav = doc.CreateNavigator();
    var it = nav.Select(xpath, nameSpaceManager_);
    if (it.MoveNext())
    {
        return it.Current.Value;
    }

        return "";
    }

    private void SetValueToDocumentByXPath(XmlDocument doc, string xpath, string value)
    {
        var nav = doc.CreateNavigator();
        var it = nav.Select(xpath, nameSpaceManager_);
        if (it.MoveNext())
        {
            it.Current.SetValue(value);
        }
    }

Answer 1

您需要稍微修改一下代码。

    private XPathDocument LoadXMLFromUri(string uri)
    {
        var req = WebRequest.CreateHttp(uri);
        var resTask = req.GetResponseAsync();
        resTask.Wait();
        XPathDocument doc = new XPathDocument(resTask.Result.GetResponseStream());
        return doc;
    }

    private string ConvertXmlDocumentToString(XmlDocument doc)
    {
        StringWriter sw = new StringWriter();
        XmlWriter tx = XmlWriter.Create(sw);
        doc.WriteTo(tx);
        return sw.ToString();
    }

    private string GetValueFromDocumentByXPath(XPathDocument doc, string xpath)
    {
        var nav = doc.CreateNavigator();
        var it = nav.Select(xpath, nameSpaceManager_);
        if (it.MoveNext())
        {
            return it.Current.Value;
        }

        return "";
    }

    private void SetValueToDocumentByXPath(XPathDocument doc, string xpath, string value)
    {
        var nav = doc.CreateNavigator();
        var it = nav.Select(xpath, nameSpaceManager_);
        if (it.MoveNext())
        {
            it.Current.SetValue(value);
        }
    }

    private HttpWebResponse PutOnUri(string uri, string contentType, string body)
    {
        try
        {
            byte[] bodyBytes = Encoding.UTF8.GetBytes(body);

            var client = (HttpWebRequest)HttpWebRequest.Create(uri);
            client.Method = "PUT";
            client.ContentType = contentType;
            var reqStreamTask = client.GetRequestStreamAsync();
            reqStreamTask.Result.Write(bodyBytes, 0, bodyBytes.Length);
            reqStreamTask.Wait();
            var resTask = client.GetResponseAsync();
            resTask.Wait();
            return (HttpWebResponse) resTask.Result;
        }
        catch (WebException e)
        {
            return (HttpWebResponse)e.Response;
        }
    }

XMLDocument、XMLTextWriter 和 HttpWebResponse Class 在 .NET Core 项目中不起作用

XMLDocument, XMLTextWriter and HttpWebResponse Class will not work in .NET Core project

c#

xmldocument

xmltextwriter

.net-core