本文介绍了在类级别获取描述属性的处理方法,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
我有这样的课程
[Description("This is a wahala class")]
public class Wahala
{
}
反正有没有要获取Wahala
类的Description
属性的内容?
Is there anyway to get the content of the Description
attribute for the Wahala
class?
推荐答案
绝对-使用Type.GetCustomAttributes
.示例代码:
Absolutely - use Type.GetCustomAttributes
. Sample code:
using System;
using System.ComponentModel;
[Description("This is a wahala class")]
public class Wahala
{
}
public class Test
{
static void Main()
{
Console.WriteLine(GetDescription(typeof(Wahala)));
}
static string GetDescription(Type type)
{
var descriptions = (DescriptionAttribute[])
type.GetCustomAttributes(typeof(DescriptionAttribute), false);
if (descriptions.Length == 0)
{
return null;
}
return descriptions[0].Description;
}
}
同类代码可以检索其他成员的描述,例如字段,属性等.
The same kind of code can retrieve descriptions for other members, such as fields, properties etc.
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