自定义Inspector面板

using UnityEditor;
using UnityEngine;

public enum MyType {
    Dev,
    Master
}

public class TestCode : MonoBehaviour {
    public string testStr;
    public bool isTest;
    public MyType myType;
    public float testNum;
}

[CustomEditor(typeof(TestCode))]
public class TestCodeHelp : Editor 
{
    public override void OnInspectorGUI() {
        //此处映射上面的字段
        EditorGUILayout.PropertyField(serializedObject.FindProperty("testStr"), new GUIContent("测试字符串"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("isTest"), new GUIContent("是否测试"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("myType"), new GUIContent("类型"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("testNum"), new GUIContent("数字"));
        
        //绘制按钮
        if (GUILayout.Button("Step1: Play Scene"))
        {
            Debug.Log("test === ");
        }
    }
}