package?com.socket.client;

import?java.io.UnsupportedEncodingException;
import?java.text.SimpleDateFormat;
import?java.util.Random;

public?class?CalculateUtil?{
	/**
	?*?字節流轉換為字符串
	?*?@param?bytes
	?*?@return
	?*/
	public?static?String?ChangeByteToString（byte[]?bytes）{
		try?{
			return?new?String（bytes?“ASCII“）;
		}?catch?（UnsupportedEncodingException?e）?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace（）;
		}
		return?null;
	}
	/**
	?*?@param?str?
	?*?@return		
	?*/
	
	public?static?Integer?getType（String?str）{
		int?c?=?0;
		
		if（“0001“.equals（str））{		//連接請求
			c=1;
		}else?if（“0002“.equals（str））{	//連接應答
			c=2;
		}else?if（“0003“.equals（str））{	//業務數據請求
			c=3;
		}else?if（“0004“.equals（str））{	//業務數據應答
			c=4;
		}else?if（“0005“.equals（str））{	//通用的錯誤應答
			c=5;
		}
		return?c;
	}

}