Question

我在MSDN上找到了这个示例代码，但代码的问题在于它将所有XML写入一行。我想要缩进和换行符。我不知道如何在代码中插入XmlWriterSettings。请帮我这样做。

先谢谢

using System;
using System.IO;
using System.Text;
using System.Xml;
using System.Xml.Serialization;

// This is the class that will be serialized. 
public class OrderedItem
{
   public string ItemName;
   public string Description;
   public decimal UnitPrice;
   public int Quantity;
   public decimal LineTotal;
   // A custom method used to calculate price per item. 
   public void Calculate()
   {
      LineTotal = UnitPrice * Quantity;
   }
}

public class Test{
   public static void Main()
   {
      Test t = new Test();
      // Write a purchase order.
      t.SerializeObject("simple.xml");
   }

   private void SerializeObject(string filename)
   {
      Console.WriteLine("Writing With XmlTextWriter");

      XmlSerializer serializer = 
      new XmlSerializer(typeof(OrderedItem));
      OrderedItem i = new OrderedItem();
      i.ItemName = "Widget";
      i.Description = "Regular Widget";
      i.Quantity = 10;
      i.UnitPrice = (decimal) 2.30;
      i.Calculate();
      // Create an XmlTextWriter using a FileStream.
      Stream fs = new FileStream(filename, FileMode.Create);
      XmlWriter writer = 
      new XmlTextWriter(fs, Encoding.Unicode);
      // Serialize using the XmlTextWriter.
      serializer.Serialize(writer, i);
      writer.Close();
   }
}

Answer 1

我不确定为什么这很重要。不过，我想这一定是你的编辑。默认情况下，XMLSerializer会缩进XML。如果您需要更改任何设置，XmlWriter.Create方法会出现重载，需要XmlWriterSettings作为参数。

Answer 2

您需要在调用XmlWriterSettings之前在XmlWriter.Create()课程中设置相应的属性。

另外，我建议进行以下额外更改：

Stream和XmlWriter都是disposable，因此应该包含在using语句中，以防在写入文件时抛出异常。< / p>
为清楚起见，分离出一个通用方法来序列化代码中的任何对象，以计算和编写OrderedItem类。

因此：

    private void SerializeObject(string filename)
    {
        XmlSerializer serializer = new XmlSerializer(typeof(OrderedItem));
        OrderedItem i = new OrderedItem();
        i.ItemName = "Widget";
        i.Description = "Regular Widget";
        i.Quantity = 10;
        i.UnitPrice = (decimal)2.30;
        i.Calculate();

        Console.WriteLine(string.Format("Writing \"{0}\" With XmlTextWriter", filename));
        SerializeObject(i, filename);
    }

    public static void SerializeObject<T>(T obj, string filename)
    {
        XmlSerializer serializer = new XmlSerializer(obj.GetType());
        using (var fs = new FileStream(filename, FileMode.Create))
        {
            var settings = new XmlWriterSettings() { Indent = true, IndentChars = "    ", Encoding = Encoding.Unicode };
            using (var writer = XmlWriter.Create(fs, settings))
            {
                serializer.Serialize(writer, obj);
            }
        }
    }

写入XML XmlSerializer c＃

2 个答案: