使用c#特性，给方法或类打自定义标签再反射获取

using System;
using System.Collections;
using System.Collections.Generic;/// <summary>
/// 自定义新特性
/// </summary>
[AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
public class CustomA : Attribute {}

using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using UnityEngine;public class MyTest : MonoBehaviour { // Use this for initialization
void Start () {
//反射自己这类
Type t = GetType();
//拿去本类的方法
MethodInfo[] _method = t.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly);
for (int i = ; i < _method.Length; i++)
{
System.Object[] _attrs = _method[i].GetCustomAttributes(typeof(CustomA), false); //反射获得用户自定义属性
var count = _attrs.Length;
for (int j = ; j < _attrs.Length; j++)
{
if (_attrs[j] is CustomA)
{
Debug.Log("被注册的方法为:" + _method[i].Name);
}
}
}
} // Update is called once per frame
void Update () { } [CustomA]
public void MySimpleMethod()
{ }
}

using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using UnityEngine;public class Test1 : MonoBehaviour { // Use this for initialization
void Start () {
//获取程序集
Assembly assembly = this.GetType().Assembly;
//得到程序集的显示名称
//Debug.Log(assembly.FullName);
//通过程序集 得到程序集中的所有的类
Type[] types = assembly.GetTypes();
//遍历类
foreach (Type item in types)
{
//获得打上CustomA标签的类（已设置 AttributeTargets.All）
System.Object[] _attrs = item.GetCustomAttributes(typeof(CustomA), false); //反射获得用户自定义属性
foreach (var it in _attrs)
{
if (it is CustomA)
{
Debug.Log("得到" + item.Name);
}
}
} //打印所有类
foreach (var type in types)
{
Debug.Log(type.Name);
}
} // Update is called once per frame
void Update () { }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;[CustomA]
public class Test2 : MonoBehaviour { // Use this for initialization
void Start () { } // Update is called once per frame
void Update () { }
}

//获得当前类的程序集
Assembly x = this.GetType().Assembly;
//获取此程序集中的所有类
Type[] allClass = x.GetTypes();
//遍历操作
foreach (Type oneClass in allClass)
{
//获取类的attribute
var attribute = oneClass.GetCustomAttribute<NetworkMsg>();
//判断attribute是否为NetworkMsg
if (attribute is NetworkMsg)
{
Debug.Log(oneClass.Name);
}
}