deletevetcommand.java

利用设计模式设计的宠物中心管理系统！分为管理员管理

package vetcommand;

import java.util.*;
import command.*;
import db.*;

public class DeleteVetCommand implements ICommand {
	private IDbservice dbservice;
	public Map execute(Map param) {
		int id = ((Integer)param.get("id")).intValue();
		dbservice = DbserviceFactory.getDbservice();
		String sql = "delete from vet where id = "+id+"";
		int line = dbservice.update(sql);
		Map map = new HashMap();
		map.put("line",new Integer(line));
		return map;
	}

}