自定义Exception

超、凢脫俗 2022-08-22 05:59 129阅读 0赞

public class PacketException : IOException
        {
            internal PacketException(string message) : base(message)
            {
            }
            
            internal static PacketException PacketReadError(string msg)
            {
                return new PacketException("PacketException ReadError:" + msg);
            }
            
            internal static PacketException PacketExecuteError(string msg)
            {
                return new PacketException("PacketException ExecuteError:" + msg);
            }
            
            internal static PacketException PacketCreateError(string msg)
            {
                return new PacketException("PacketException CreateError:" + msg);
            }
        }

using UnityEngine;
    using System.Collections;
    using System;
    
    public class ExceptionTest : MonoBehaviour 
    {
        private int flag = 1;   
    
    	void OnEnable() 
        {
            try
            {
        	    if( flag == 1 )
                {
                    flag++;
                    string msg = string.Format( "read my flag is {0}", flag );
                    throw PacketException.PacketReadError( msg );
                }
                if( flag == 2 )
                {
                    flag++;
                    string msg = string.Format( "create my flag is {0}", flag );
                    throw PacketException.PacketExecuteError( msg );
                }
                if( flag == 3 )
                {
                    string msg = string.Format( "execute my flag is {0}", flag );
                    flag = 1;
                    throw PacketException.PacketExecuteError( msg );
                }
            }
            catch( PacketException ex )
            {
                Debug.LogError(ex.ToString());
            }
            catch( Exception ex2)
            {
                Debug.LogError(ex2.ToString());
            }
    	}
    }