usemanagerejb.java

音乐网站涉及到很多数据库查询

package serverBag;

import javax.naming.*;
import com.interfaces.*;

import publicBag.ContextFactory;

/**
 * @author Administrator
 *
 */
/**
 * @author Administrator
 *
 */
public class UseManagerEJB {
	private Context c;
	public UseManagerEJB()
	{
		try
        {
            c = ContextFactory.getContext();        	
        }
        catch(Exception e)
        {
            e.printStackTrace();           
        }
	}
	public boolean validate(String mId,String pw)
	{		
		boolean res = false;
        try
        {        	
        	ManagerHome mh = (ManagerHome)c.lookup("ejb/Manager");
        	
        	Manager m = mh.findByPrimaryKey(mId);
        	if(m != null)
        	{  
        		//如果字段cPassword在数据库中用的是char类型，则需要用trim去空格
        		String tmpPw = m.getCPassword().trim();  
        		if(tmpPw.equals(pw)) 
        		{
        			res = true;
        			//System.out.println("测试语句");
        		}        			        		
        	}         
        }
        catch(Exception e)
        {
        	System.out.println("验证管理员身份失败！");
            e.printStackTrace(); 
        } 	
        return res;
	}
	public static void main(String[] arg)
	{
		UseManagerEJB ejb = new UseManagerEJB();
		System.out.println(ejb.validate("rain","1111"));
	}
}