C#中通过XmlSerializer类反序列化多个同名的XML元素

发布于 2024-10-21 08:46:10 字数 1209 浏览 3 评论 0原文

我有一个 XML 表单,

 <BackupSchedule>
    <AggressiveMode>0</AggressiveMode>  
    <ScheduleType>0</ScheduleType>  
    <ScheduledDay>0</ScheduledDay>  
    <ScheduledDay>1</ScheduledDay>  
    <ScheduledDay>0</ScheduledDay>  
    <ScheduledDay>0</ScheduledDay>  
    <ScheduledDay>0</ScheduledDay>  
    <ScheduledDay>0</ScheduledDay>  
    <ScheduledDay>0</ScheduledDay>  
    <WindowStart>480</WindowStart>  
    <WindowEnd>1020</WindowEnd>  
    <ScheduleInterval>0</ScheduleInterval>  
  </BackupSchedule>

我需要反序列化它,更改其内容,然后将其保存回来。我在阅读 ScheduledDay 元素时遇到问题。 我的类就像

public class BackupScheduleSettings  
{  
        public BackupScheduleSettings()  
        {   
            ScheduledDay = new int[7];  
        }  

        .....
        public int[] ScheduledDay { get; set; }
        .....  
 }

现在,当我加载具有正确 ScheduledDay 值的 XML 内容时,我的类数组仍然为 NULL。

我无法修改 XML 的内容/格式,因为它是遗留代码。我不想使用 XDocument 读取该值,因为它是一个很大的 XML,并且我需要再次序列化它。

我已经搜索了很多而没有任何帮助。任何想法都将受到高度赞赏。

谢谢...

I have an XML in the form

 <BackupSchedule>
    <AggressiveMode>0</AggressiveMode>  
    <ScheduleType>0</ScheduleType>  
    <ScheduledDay>0</ScheduledDay>  
    <ScheduledDay>1</ScheduledDay>  
    <ScheduledDay>0</ScheduledDay>  
    <ScheduledDay>0</ScheduledDay>  
    <ScheduledDay>0</ScheduledDay>  
    <ScheduledDay>0</ScheduledDay>  
    <ScheduledDay>0</ScheduledDay>  
    <WindowStart>480</WindowStart>  
    <WindowEnd>1020</WindowEnd>  
    <ScheduleInterval>0</ScheduleInterval>  
  </BackupSchedule>

I need to deserialize it, change its contents and than save it back. I am facing problem in reading ScheduledDay element.
My class is like

public class BackupScheduleSettings  
{  
        public BackupScheduleSettings()  
        {   
            ScheduledDay = new int[7];  
        }  

        .....
        public int[] ScheduledDay { get; set; }
        .....  
 }

Now when I load XML content which has right values for ScheduledDay, my class array is still NULL.

I can't modify the content/format of XML since it is legacy code. I don't want to use XDocument to read the value since it is a large XML and I need to serialize it again.

I have searched a lot without any help. Any ideas will be highly appreciated.

Thanks...

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评论(3

美胚控场 2024-10-28 08:46:10

您不需要 XmlArrayItem。您希望在没有父元素的情况下序列化 int 数组,这意味着您应该使用 XmlElement 修饰数组本身。由于您有特定的订单,因此您需要使用 XmlElement 属性上的 Order 值。这是经过相应修改的类:

public class BackupScheduleSettings
{
    public BackupScheduleSettings()
    {
        ScheduledDay = new int[7];
    }

    [XmlElement(Order=1)]
    public int AggressiveMode;
    [XmlElement(Order=2)]
    public int ScheduleType;
    //[XmlArrayItem("ArrayWrapper")]
    [XmlElement(Order=3)]
    public int[] ScheduledDay { get; set; }
    [XmlElement(Order=4)]
    public int WindowStart;
    [XmlElement(Order=5)]
    public int WindowEnd;
    [XmlElement(Order=6)]
    public int ScheduleInterval;
}

这是生成的 XML:

<BackupScheduleSettings>
  <AggressiveMode>0</AggressiveMode>
  <ScheduleType>0</ScheduleType>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <WindowStart>0</WindowStart>
  <WindowEnd>0</WindowEnd>
  <ScheduleInterval>0</ScheduleInterval>
</BackupScheduleSettings>

You don't want XmlArrayItem. You want the array of ints to be serialized without a parent element, which means you should decorate the array itself with XmlElement. Because you have a particular order, you will want to use the Order value on the XmlElement attribute. Here's the class, modified accordingly:

public class BackupScheduleSettings
{
    public BackupScheduleSettings()
    {
        ScheduledDay = new int[7];
    }

    [XmlElement(Order=1)]
    public int AggressiveMode;
    [XmlElement(Order=2)]
    public int ScheduleType;
    //[XmlArrayItem("ArrayWrapper")]
    [XmlElement(Order=3)]
    public int[] ScheduledDay { get; set; }
    [XmlElement(Order=4)]
    public int WindowStart;
    [XmlElement(Order=5)]
    public int WindowEnd;
    [XmlElement(Order=6)]
    public int ScheduleInterval;
}

Here's the generated xML:

<BackupScheduleSettings>
  <AggressiveMode>0</AggressiveMode>
  <ScheduleType>0</ScheduleType>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <ScheduledDay>0</ScheduledDay>
  <WindowStart>0</WindowStart>
  <WindowEnd>0</WindowEnd>
  <ScheduleInterval>0</ScheduleInterval>
</BackupScheduleSettings>
只是我以为 2024-10-28 08:46:10

装饰你的财产:

[XmlElement("ScheduledDay")]
public int[] ScheduledDay { get; set; }

Decorate your property:

[XmlElement("ScheduledDay")]
public int[] ScheduledDay { get; set; }
双马尾 2024-10-28 08:46:10

您只需执行以下操作即可使其正常工作:

[XmlElement]
public int[] ScheduledDay { get; set; }

通过添加此属性,每次(反)序列化程序看到 ScheduledDay 元素时,它都会知道将其添加到此数组中。

You should just have to do the following for this to work:

[XmlElement]
public int[] ScheduledDay { get; set; }

By adding this attribute, every time the ScheduledDay element is seen by the (de)serializer it will know to add it to this array.

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