关于写xml字符串的一些积累

来源：互联网发布：js页面自动跳转方法编辑：程序博客网时间：2024/05/21 14:46

最近在项目中用到用xml模拟post提交的问题，一开始着实蒙了不知道怎么写xml文件，根据自己的一些经验，总结下来一些常用的xml写法，有许多不好的地方还请帮我多多改正！现在上代码了

</pre><pre class="csharp" name="code">  private static void WriteXmlHeader(XmlWriter xmlTextWriter)        {            xmlTextWriter.WriteStartElement("s", "Envelope", "http://schemas.xmlsoap.org/soap/envelope/");            xmlTextWriter.WriteStartElement("s", "Body", null);            xmlTextWriter.WriteAttributeString("xmlns", "xsi", null, "http://www.w3.org/2001/XMLSchema-instance");            xmlTextWriter.WriteAttributeString("xmlns", "xsd", null, "http://www.w3.org/2001/XMLSchema");            xmlTextWriter.WriteStartElement("", "getTransportWayList", "http://service.hop.service.ws.hlt.com/");            xmlTextWriter.WriteStartElement("userToken", "");            xmlTextWriter.WriteValue("password");            xmlTextWriter.WriteEndElement();            xmlTextWriter.WriteEndElement();            xmlTextWriter.WriteEndElement();            xmlTextWriter.WriteEndElement();        }private static void WriteElement(XmlTextWriter writer, string name, string value)        {            if (!string.IsNullOrWhiteSpace(value))            {                writer.WriteElementString(name, value);            }        }

这部分是写头部部分的，写出来的结果是这样子的

<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"><s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><getTransportWayList xmlns="http://service.hop.service.ws.hlt.com/"><userToken xmlns="">password</userToken></getTransportWayList></s:Body></s:Envelope>

这些都是比较基本的，可以看到，写出来的xml是没有xml声明的，而xml文件开头处的声明，我们也是可以自己选择要不要的，有时候还是默认utf-16的，就比如这样

     private static void WriteXmlTest()        {            using (StringWriter stringWriter = new StringWriter())            {                //  XmlTextWriter xmlTextWriter = new XmlTextWriter(stringWriter);  //没有前面的utf-8                XmlWriter xmlTextWriter = XmlWriter.Create(stringWriter);   //有xml前面的申明，默认utf-16               // xmlTextWriter.WriteProcessingInstruction("xml", "version=\"1.0\" encoding=\"utf-8\"");    //自定义xml申明部分                xmlTextWriter.WriteStartElement("soap", "Envelope", "http://schemas.xmlsoap.org/soap/envelope/");                xmlTextWriter.WriteAttributeString("xmlns", "soapenc", null, "http://schemas.xmlsoap.org/soap/encoding/");                xmlTextWriter.WriteAttributeString("xmlns", "tns", null, "http://edpost.vekinerp.com/soap/ecpp_wsdl");                xmlTextWriter.WriteAttributeString("xmlns", "types", null, "http://edpost.vekinerp.com/soap/ecpp_wsdl/encodedTypes");                xmlTextWriter.WriteAttributeString("xmlns", "xsi", null, "http://www.w3.org/2001/XMLSchema-instance");                xmlTextWriter.WriteAttributeString("xmlns", "xsd", null, "http://www.w3.org/2001/XMLSchema");                xmlTextWriter.WriteStartElement("soap", "Body", null);                xmlTextWriter.WriteAttributeString("soap", "encodingStyle", null, "http://schemas.xmlsoap.org/soap/encoding/");                xmlTextWriter.WriteStartElement("addOrder", "");                WriteElementExt(xmlTextWriter, "token", "xsi", "type", "xsd:string", "324324234");                WriteElementExt(xmlTextWriter, "orderInfo", "", "href", "#id1");                WriteElementExt(xmlTextWriter, "orderGoodsInfo", "", "href", "#id2");                xmlTextWriter.WriteEndElement();                xmlTextWriter.WriteStartElement("tns", "Body", null);                xmlTextWriter.WriteAttributeString("", "id", null, "id1");                xmlTextWriter.WriteAttributeString("xsi", "type", null, "tns:orderInfo");                WriteElementExt(xmlTextWriter, "paypalid", "xsi", "type", "xsd:string", "211313");                WriteElementExt(xmlTextWriter, "street1", "xsi", "type", "xsd:string", "fdfsfd");                WriteElementExt(xmlTextWriter, "pay_note", "xsi", "type", "xsd:string", "备注");   //支付备注                xmlTextWriter.WriteEndElement();                xmlTextWriter.WriteEndElement();                xmlTextWriter.WriteEndElement();                xmlTextWriter.Flush();                xmlTextWriter.Close();                Console.WriteLine(stringWriter.ToString());                Console.Read();            }        }        /// <summary>        /// 写xml元素        /// </summary>        /// <param name="writer">xml写</param>        /// <param name="name">元素名字</param>        /// <param name="preFix">元素前缀</param>        /// <param name="ns">元素命名</param>        /// <param name="url">对应的空间</param>        /// <param name="value">对应值</param>        private static void WriteElementExt(XmlWriter writer, string name, string preFix, string ns, string url, string value = "")        {            writer.WriteStartElement(name);            writer.WriteAttributeString(preFix, ns, null, url);            if (!string.IsNullOrWhiteSpace(value))                writer.WriteNmToken(value);            writer.WriteEndElement();        }

这一段代码打印出来的结果是这样的

<?xml version="1.0" encoding="utf-16"?><soap:Envelope xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:tns="http://edpost.vekinerp.com/soap/ecpp_wsdl" xmlns:types="http://edpost.vekinerp.com/soap/ecpp_wsdl/encodedTypes" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"><soap:Body soap:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><addOrder><token xsi:type="xsd:string">324324234</token><orderInfo href="#id1" /><orderGoodsInfo href="#id2" /></addOrder><tns:Body id="id1" xsi:type="tns:orderInfo"><paypalid xsi:type="xsd:string">211313</paypalid><street1 xsi:type="xsd:string">fdfsfd</street1><pay_note xsi:type="xsd:string">备注</pay_note></tns:Body></soap:Body></soap:Envelope>

里面可能有很多还可以改进的地方，不过目前我还没有找到，现学现卖！希望能够帮助到你们，也是对自己知识的一个积累(哪天要用上的直接拿下来)，后面的post提交，应该就容易了。

  using (WebClient webClient = new WebClient())            {                string result = string.Empty;                webClient.Headers[HttpRequestHeader.ContentType] = "text/xml; charset=utf-8";                webClient.Headers["SOAPAction"] = "http://tempuri.org/GET_FREIGHT_WAY";                result = Encoding.UTF8.GetString(webClient.UploadData(LogisticsWayUrl, "POST", Encoding.UTF8.GetBytes(xmlData)));                if (!string.IsNullOrWhiteSpace(result))                {                    XmlDocument document = new XmlDocument();                    document.LoadXml(result);                    XmlNamespaceManager nmarager = new XmlNamespaceManager(document.NameTable);                    nmarager.AddNamespace("soap", "http://schemas.xmlsoap.org/soap/envelope/");                    nmarager.AddNamespace("a", "http://tempuri.org/");                    XmlNode FreightWayInfoList;                    XmlNode GET_FREIGHT_WAYResponse = document.SelectSingleNode("/soap:Envelope/soap:Body/a:GET_FREIGHT_WAYResponse", nmarager);                    FreightWayInfoList = GET_FREIGHT_WAYResponse.FirstChild.FirstChild.FirstChild;                    List<LogisticsChannel> channelList = new List<LogisticsChannel>();                    foreach (XmlNode xnS in FreightWayInfoList.ChildNodes)                    {                        string value = xnS.SelectSingleNode("FreightWayId").InnerText;                        string name = xnS.SelectSingleNode("FreightWayName_CN").InnerText;                        channelList.Add(new LogisticsChannel(name, value));                    }                    return channelList.ToArray<LogisticsChannel>();                }

下面的那些是提交之后得到的xml页，从中提取数据，在这里推荐大家可以用Fiddler这个工具来抓包玩玩

那段result就是根据xml文档来读取到FreightWayId和FreightWayName_CN的。

刚刚看了一下，结果显示的那些代码贴上去是html格式的，最好运行一下的出来的才是正确的结果！汗

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