CodeGize

using UnityEngine;

public class EnumTest : MonoBehaviour
{
    public EmAniType AniType;
}

public enum EmAniType
 {
     Idle,
     Walk,
     Run,
     Atk,
     Hit,
     Die
 }

using UnityEngine;

public class EnumLabelAttribute : HeaderAttribute
{
    public EnumLabelAttribute(string header) : base(header)
    {
    }
}

using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

[CustomPropertyDrawer(typeof(EnumLabelAttribute))]
public class EnumLabelDrawer : PropertyDrawer
{
    private readonly List<string> m_displayNames = new List<string>();

    public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
    {
        var att = (EnumLabelAttribute)attribute;
        var type = property.serializedObject.targetObject.GetType();
        var field = type.GetField(property.name);
        var enumtype = field.FieldType;
        foreach (var enumName in property.enumNames)
        {
            var enumfield = enumtype.GetField(enumName);
            var hds = enumfield.GetCustomAttributes(typeof(HeaderAttribute), false);
            m_displayNames.Add(hds.Length <= 0 ? enumName : ((HeaderAttribute)hds[0]).header);
        }
        EditorGUI.BeginChangeCheck();
        var value = EditorGUI.Popup(position, att.header, property.enumValueIndex, m_displayNames.ToArray());
        if (EditorGUI.EndChangeCheck())
        {
            property.enumValueIndex = value;
        }
    }
}

using UnityEngine;

public class EnumTest : MonoBehaviour
{
    [EnumLabel("动画类型")]
    public EmAniType AniType;
}

public enum EmAniType
{
    [Header("待机")]
    Idle,

    [Header("走")]
    Walk,

    [Header("跑")]
    Run,

    [Header("攻击")]
    Atk,

    [Header("受击")]
    Hit,

    [Header("死亡")]
    Die
}