topicbean.java

这是一个内容管理系统（CMS）以MVC方式写出,没有使用框架

package Bean;

import java.util.Hashtable;

public class TopicBean {
	private int id;
	private String topicname="";//专题名称
	private String introduce="";//专题简介
	
	//DBControl DC=new DBControl();
	
	private Hashtable<String, String> errors=new Hashtable<String, String>();
	
	public String getIntroduce() {
		return introduce;
	}
	public void setIntroduce(String introduce) {
		this.introduce = introduce;
	}
	public String getTopicname() {
		return topicname;
	}
	public void setTopicname(String topicname) {
		this.topicname = topicname;
	}
	public boolean validata(String action,int Id){//判断数据的正确性
		boolean allok=true;
		if(topicname.trim().equals("")){
			errors.put("topicname","专题名不能为空！");
			allok=false;
		}
		db.DB dt= new db.DB();
		try	{
			if(action.trim().equals("edit")){
				if(dt.IsSameRecordButitSelf("topic", "TopicName", topicname.trim(),Id)){
					errors.put("topicname","专题名称相同！");
					allok=false;			
				}
			}else{
				if(dt.IsSameRecord("topic", "TopicName", topicname.trim())){
					errors.put("topicname","专题名称相同！");
					allok=false;			
				}
			}
		}catch(Exception ex){
			System.out.print(ex);
		}finally{
			dt.close();//关闭连接
		}
		return allok;
	}
	public void setErrorMsg(String err,String errMsg){
		if((err!=null)&& (errMsg!=null)){
			errors.put(err, errMsg);
		}
	}
	public String getErrorMsg(String err){
		String err_msg=(String)errors.get(err);
		return (err_msg==null)?"":err_msg;
	}
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
		//ResultSet rs=null;
		db.DB dt=new db.DB();
		this.topicname=dt.returnString("select Id,TopicName from topic where Id="+id);
		dt.close();
	}
}