C# 历遍对象属性

今天有个网友问如何历遍对象的所有公共属性,并且生成XML。采用序列化方式的话比较简单,我写个手工解析的例子,这样能让初学者更加理解也比较灵活,记录一下吧或许会有人用到。

对象模型:

    public class Master
    {
        public string Description { get; set; }
        public List<Slave> Slaves { get; set; }
    }

    public class Slave
    {
        public int ID { get; set; }
        public string Name { get; set; }
    }

 

解析代码:

  //生成数据
  Master master = new Master();
  master.Description = "ABCD";
  master.Slaves = new List<Slave>();
  master.Slaves.Add(new Slave { Name = "aaa", ID = 1 });
  master.Slaves.Add(new Slave { Name = "bbb", ID = 2 });
  master.Slaves.Add(new Slave { Name = "cccc", ID = 3 });

  StringBuilder sb = new StringBuilder("<Root>\r\n");
//获取对象所有公共属性 foreach (PropertyInfo pi in master.GetType().GetProperties()) { //判断属性是否为集合类型 if (pi.PropertyType.IsGenericType) { sb.AppendLine($"<Items name=\"{pi.Name}\">"); //获取集合对象 foreach (object items in (pi.GetValue(master, null) as IEnumerable<object>)) { sb.AppendLine($"<{items.GetType().Name}>"); //获取集合对象成员 foreach (PropertyInfo item in items.GetType().GetProperties()) { sb.AppendLine($"<{item.Name}>{item.GetValue(items, null)}</{item.Name}>"); } sb.AppendLine($"</{items.GetType().Name}>"); } sb.AppendLine("</Items>"); } else { sb.AppendLine($"<{pi.Name}>{pi.GetValue(master, null)}</{pi.Name}>"); } } sb.AppendLine("</Root>"); MessageBox.Show(sb.ToString());

 

生成的XML结构:

<Root>
  <Description>ABCD</Description>
  <Items name="Slaves">
    <Slave>
      <ID>1</ID>
      <Name>aaa</Name>
    </Slave>
    <Slave>
      <ID>2</ID>
      <Name>bbb</Name>
    </Slave>
    <Slave>
      <ID>3</ID>
      <Name>cccc</Name>
    </Slave>
  </Items>
</Root>

 

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