【问题标题】:Where to write XML with XmlWriter for sending via HttpWebRequest POST in ASP.NET?在哪里使用 XmlWriter 编写 XML 以在 ASP.NET 中通过 HttpWebRequest POST 发送?
【发布时间】:2009-04-17 17:08:08
【问题描述】:

这是我的代码,请参阅说明 ???在这里做什么???我不确定我把这个 XML 写到哪里,以便能够通过那里的 objRequest 在我的 POST 中发送它......

string project_id = context.Request.QueryString["project"];
string person_id = context.Request.QueryString["person"];
string post_date = context.Request.QueryString["date"];
string post_hours = context.Request.QueryString["hours"];
string case_num = context.Request.QueryString["case"];


HttpWebRequest objRequest = (HttpWebRequest)WebRequest.Create("http://company.updatelog.com/projects/" + project_id + "/time_entries.xml");

objRequest.Method = "POST";

objRequest.ContentType = "application/xml";

XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
settings.IndentChars = ("    ");


using (XmlWriter writer = XmlWriter.Create(?????WHAT TO DO HERE????, settings))
{
    writer.WriteStartElement("time-entry");
    writer.WriteElementString("person-id", person_id);
    writer.WriteElementString("date", post_date);
    writer.WriteElementString("hours", post_hours);
    writer.WriteElementString("description", "Worked on Case #" + case_num);
    writer.WriteEndElement();
}


StreamWriter myWriter = null;


try
{

    myWriter = new StreamWriter(objRequest.GetRequestStream());

    myWriter.Write(post_xml);

}

catch (Exception e)
{

    context.Response.Write(e.Message);

}

finally
{

    myWriter.Close();

}

【问题讨论】:

    标签: c# asp.net post httpwebrequest xmlwriter


    【解决方案1】:

    XmlWriter writer = XmlWriter.Create(objRequest.GetRequestStream(), settings);

    然后你不需要创建一个 StreamWriter。您在 XmlWriter 中写入的内容将写入 requestStream。

    【讨论】:

      【解决方案2】:

      您可以只使用一个 XmlTextWriter,它采用一个基本上只是将其写入内存的字符串构建器。

      代码:

      var buidler = new StringBuilder();
      var writer = XmlWriter.Create(builder);
      

      【讨论】:

      • 那我怎么把它放到请求中呢?
      • 你应该可以只写 streamWriter.Write(builder.ToString());
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