daoexception.java

来自「struts的一些基本开发」· Java 代码 · 共 30 行

package cn.com.csuinfosoft.dao;

public class DAOException extends Exception {

	private String message = null;
	
	public DAOException() {
		super();
		message = "DAO层处理异常！请检查DAO层实现代码"; 
	}
	
	public DAOException(String argMessage) {
		super(argMessage);
		message = argMessage;
	}
	
	public DAOException(Exception ex) {
		super(ex);
		message = ex.getMessage();
	}
	
	public String toString() {
		StringBuffer err = new StringBuffer();
		err.append("********!出错了!********\n");
		err.append("message == " + message+"\n");
		err.append("********!出错了!********\n");
		return err.toString();
	}
}