反序列化时使用httpclient的Xml命名空间问题

本文介绍了反序列化时使用httpclient的Xml命名空间问题的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我有一个返回结果的api：

< 信封：信封 xmlns：信封 = xxx/data-hub/envelope > < 信封：标题 > < additionalInfo > < Rebates / > < 费用 > 930879969 < /费用 > < 月份 > 20 < / Months > < / additionalInfo > < / envelope：header > < / envelope >

我遇到问题： 第1行位置错误76.期望命名空间'http'中的元素'Envelope'： //schemas.datacontract/2004/07/' ..遇到名为'envel'的'元素' ope'，namespace'xxx/data-hub/envelope'。 我的尝试：

使用（HttpClient client = new HttpClient（）） { var responseTask = await client.GetAsync（uri）; responseTask.Wait（）; var result = responseTask.Result; if （result.IsSuccessStatusCode） { var readTask = result.Content.ReadAsAsync< T>（）; readTask.Wait（）; response = readTask.Result; }

我在ReadAsynch收到错误< t> 我发送的T类是：

[XmlRoot（ElementName = envelope，Namespace = xxx/data-hub/envelope）] public class Envelope { [XmlElement（ElementName = header，Namespace = xxx/data-hub/envelope） ] public 标题标题{ get ; set ; } [XmlAttribute（AttributeName = envelope，Namespace = www.w3/2000/xmlns/）] public string _envelope { get ; set ; } }

public class 标题 { [XmlElement（ ElementName = additionalInfo）] public AdditionalInfo AdditionalInfo { get ; set ; } }

public class AdditionalInfo { [XmlElement（ElementName = 回扣）] public string 回扣{获取; set ; } [XmlElement（ElementName = 费用）] public string 费用{ get ; set ; } [XmlElement（ElementName = 月份）] public string 月份{ get ; set ; } }

解决方案

正如PIEBALDconsult所提到的，关闭时XML中至少有一个错误标签：

< 信封：信封 xmlns：envelope = xxx/data-hub/envelope > < 信封：标题 > < additionalInfo > < Rebates / > < 费用 > 930879969 < /费用 > < 月份 > 20 < /月 > < / additionalInfo > < / envelope：header > < / envelope：envelope >

另外，你正在使用混合命名空间。有两种解决方案： 1. 在开头元素中添加一个额外的命名空间定义：

< 信封：信封 xmlns：envelope = http：// xxx/data-hub/envelope\" xmlns = xxx/data-hub/信封 > < 信封：标题 > < additionalInfo > < Rebates / > < 费用 > 930879969 < /费用 > < 月份 > 20 < / Months > < / additionalInfo > < / envelope：header > < / envelope：envelope >

2。所有元素都具有相同的命名空间：

< 信封：信封 xmlns：envelope = xxx/data-hub/envelope\"> < 信封：标题 > < envelope：additionalInfo > < envelope：Rebates / > < 信封：费用 > 930879969 < / envelope：费用 > < zh-CN velope：月 > 20 < / envelope：Months > < / envelope：additionalInfo > < / envelope：header > < / envelope：envelope >

最后， Envelope 类应该是：

[XmlRoot（ElementName = envelope，Namespace = xxx/data-hub/envelope）] public 类信封 { [XmlElement（ElementName = header ）] public 标题标题{ get ; set ; } }

以下是用于测试的其他类的一致性：

public class 标题 { [XmlElement（ElementName = additionalInfo）] public AdditionalInfo AdditionalInfo {获取; set ; } } public class AdditionalInfo { [XmlElement（ElementName = Rebates）] public string 回扣{ get ; set ; } [XmlElement（ElementName = 费用）] public string 费用{ get ; set ; } [XmlElement（ElementName = 月份）] public string 月份{ get ; set ; } }

I have a api which returns the result:

<envelope:envelope xmlns:envelope="xxx/data-hub/envelope"> <envelope:header> <additionalInfo> <Rebates/> <Expenses>930879969</Expenses> <Months>20</Months> </additionalInfo> </envelope:header> </envelope>

I am getting issue : Error in line 1 position 76. Expecting element 'Envelope' from namespace 'schemas.datacontract/2004/07/' .. Encountered 'Element' with name 'envelope', namespace 'xxx/data-hub/envelope'. What I have tried:

using (HttpClient client = new HttpClient()) { var responseTask = await client.GetAsync(uri); responseTask.Wait(); var result = responseTask.Result; if (result.IsSuccessStatusCode) { var readTask = result.Content.ReadAsAsync<t>(); readTask.Wait(); response = readTask.Result; }

I am getting error at ReadAsynch<t> The class T i am sending is:

[XmlRoot(ElementName = "envelope", Namespace = "xxx/data-hub/envelope")] public class Envelope { [XmlElement(ElementName = "header", Namespace = "xxx/data-hub/envelope")] public Header Header { get; set; } [XmlAttribute(AttributeName = "envelope", Namespace = "www.w3/2000/xmlns/")] public string _envelope { get; set; } }

public class Header { [XmlElement(ElementName = "additionalInfo")] public AdditionalInfo AdditionalInfo { get; set; } }

public class AdditionalInfo { [XmlElement(ElementName = "Rebates")] public string Rebates { get; set; } [XmlElement(ElementName = "Expenses")] public string Expenses { get; set; } [XmlElement(ElementName = "Months")] public string Months{ get; set; } }

解决方案

As PIEBALDconsult mentions, there is at least one error in your XML with the closing tag:

<envelope:envelope xmlns:envelope="xxx/data-hub/envelope"> <envelope:header> <additionalInfo> <Rebates/> <Expenses>930879969</Expenses> <Months>20</Months> </additionalInfo> </envelope:header> </envelope:envelope>

Also, you are using mixed namespaces. There are two solutions: 1. add an additional namespace definition to the opening element:

<envelope:envelope xmlns:envelope="xxx/data-hub/envelope" xmlns="xxx/data-hub/envelope"> <envelope:header> <additionalInfo> <Rebates/> <Expenses>930879969</Expenses> <Months>20</Months> </additionalInfo> </envelope:header> </envelope:envelope>

2. All elements have the same namespace:

<envelope:envelope xmlns:envelope="xxx/data-hub/envelope"> <envelope:header> <envelope:additionalInfo> <envelope:Rebates/> <envelope:Expenses>930879969</envelope:Expenses> <envelope:Months>20</envelope:Months> </envelope:additionalInfo> </envelope:header> </envelope:envelope>

Lastly, the Envelope class should be:

[XmlRoot(ElementName = "envelope", Namespace = "xxx/data-hub/envelope")] public class Envelope { [XmlElement(ElementName = "header")] public Header Header { get; set; } }

And here are the other classes, used for testing, for consistancy:

public class Header { [XmlElement(ElementName = "additionalInfo")] public AdditionalInfo AdditionalInfo { get; set; } } public class AdditionalInfo { [XmlElement(ElementName = "Rebates")] public string Rebates { get; set; } [XmlElement(ElementName = "Expenses")] public string Expenses { get; set; } [XmlElement(ElementName = "Months")] public string Months { get; set; } }