movie.java

在线视频播放系统

package com.chapter13;

import java.sql.*;

public class Movie extends ExecuteDB
{
	//定义类成员变量
	private long MovieID;
	private String Name;
	private String Intro; 
	private String Sort;  
	private String Lang;   
	private String Addr; 
	private int Count; 
	private String Pic;
	private String Url;
	private String CreateTime;   
	private String strSql;
   
    //构造函数，对成员变量进行初始化赋值
	public Movie()
	{       
		this.MovieID=0;
		this.Name="";
		this.Intro="";        
		this.Lang="";
		this.Count=0;       
		this.Pic="";
		this.Url="";
		this.Addr="";
		this.Sort="";                      
		java.util.Date NowTime = new java.util.Date();
		this.CreateTime = NowTime.toLocaleString();                    
		this.strSql="";
	}
   
	//添加新影片信息，往movies数据表中添加一条新记录
	public boolean add()
	{	
		this.strSql="insert into movies ";
		this.strSql=this.strSql + "(Name,Intro,Sort,Lang,Addr,Count,Pic,Url,CreateTime)";		
		this.strSql=this.strSql + "values('" + this.Name + "','" + this.Intro + "','" + this.Sort + "','" + this.Lang + "','" + this.Addr + "','" + this.Count + "','" + this.Pic + "','" + this.Url + "','" + this.CreateTime + "')";		
		boolean isAdd = super.exeSql(this.strSql);
		
		return isAdd;
	}
  
	//删除属于某个集合中的影片信息
	public boolean delete(String sMovieID)
	{
		this.strSql="delete from movies";
		this.strSql=this.strSql + "  where MovieID in ("+sMovieID+")";
		
		boolean isDelete = super.exeSql(this.strSql);      
		return isDelete;	
	}
 
  	//获取MovieID对应的影片信息，将这些信息赋值给相应的类变量
	public boolean  init()
	{
    	this.strSql="select * from `movies` where MovieID=";
        this.strSql=this.strSql + "'" + this.MovieID + "'";        
        try
		{
   			ResultSet rs = super.exeQuery(this.strSql);
			if (rs.next())
			{
                MovieID=rs.getLong("MovieID");
                Name=rs.getString("Name");
                Intro=rs.getString("Intro");
                Lang=rs.getString("Lang");
                Addr=rs.getString("Addr");
                Count=rs.getInt("Count");
                Sort=rs.getString("Sort"); 
                Pic=rs.getString("Pic");
                Url=rs.getString("Url");
                CreateTime=rs.getString("CreateTime");
                return true;
			}
			else
			{
				return false;
			}
		}
		catch(Exception e)
		{
			return false;
		}        
	}

	//获得Sort相同的一组影片信息，返回一个ResultSet类型对象
	public ResultSet show_sort_movies()
	{	
		this.strSql="select * from `movies`";
        this.strSql=this.strSql + " where Sort like '" + this.Sort + "' order by CreateTime desc";        
		ResultSet rs = null;              
		try
		{
			rs = super.exeQuery(this.strSql); 
		}
		catch(Exception e)
		{
			System.out.println(e.toString()); 
		}
		return rs;	    
	}	
	
	//获取所有影片信息，它们是按照时间降序排序的，返回一个ResultSet类型对象
	public ResultSet show_all_movies()
	{	
		this.strSql="select * from `movies` order by CreateTime desc";
		ResultSet rs = null;              
		try
		{
			rs = super.exeQuery(this.strSql); 
		}
		catch(Exception e)
		{
			System.out.println(e.toString()); 
		}
		return rs;	    
	}	
	
	
	//按条件搜索影片信息，返回一个ResultSet类型对象
	public ResultSet search_movies()
	{	
		this.strSql="select * from `movies` where";
		this.strSql = this.strSql + " Name like '%"+this.Name+"%' and";
		this.strSql = this.strSql + " Addr like '%"+this.Addr+"%' and";
		this.strSql = this.strSql + " Lang like '%"+this.Lang+"%' and";
		this.strSql = this.strSql + " Sort like '%"+this.Sort+"%'  order by CreateTime desc";

		ResultSet rs = null;              
		try
		{
			rs = super.exeQuery(this.strSql); 
		}
		catch(Exception e)
		{
			System.out.println(e.toString()); 
		}
		return rs;	    
	}	
	
	//修改MovieID对应的影片信息
	public boolean modify()
	{
		this.strSql = "update movies set ";
		this.strSql = this.strSql + " Name = '" +this.Name+"',";
		this.strSql = this.strSql + " Sort = '" +this.Sort+"',";
		this.strSql = this.strSql + " Addr = '" +this.Addr+"',";
		this.strSql = this.strSql + " Lang = '" +this.Lang+"',";
		this.strSql = this.strSql + " Pic = '" +this.Pic+"',";
		this.strSql = this.strSql + " Url = '" +this.Url+"',";	
		this.strSql = this.strSql + " Intro = '" +this.Intro+"',";	
		this.strSql = this.strSql + " Count = '" +this.Count+"',";	
		this.strSql = this.strSql + " CreateTime = '" +this.CreateTime+"'";
		this.strSql = this.strSql + " where MovieID =" +this.MovieID;

		boolean isModify = super.exeSql(this.strSql);		
		return isModify;
	}
	
	//更改MovieID所对应的Count的值
	public boolean modify_Count()
	{
		this.strSql="update movies set";
		this.strSql=this.strSql + " Count = '"+this.Count+"'";	
		this.strSql=this.strSql + " where MovieID='" + this.MovieID + "'";
		boolean isModify = super.exeSql(this.strSql);
		
		return isModify;
	}


  	//设置类成员变量MovieID的值
	public void setMovieID(long MovieID)
	{
		this.MovieID = MovieID;	
	}
   
	//获取类成员变量MovieID的值  
	public long getMovieID()
	{
		return this.MovieID;	
	}

	//设置类成员变量Name的值
 	public void setName(String Name)
	{
		this.Name = Name;	
	}
   
	//获取类成员变量Name的值  
	public String getName()
	{
		return this.Name;	
	}

	//设置类成员变量Intro的值  
 	public void setIntro(String Intro)
	{
		this.Intro = Intro;	
	}
   
	//获取类成员变量Intro的值  
	public String getIntro()
	{
		return this.Intro;	
	}

	//设置类成员变量Sort的值 
	public void setSort(String Sort)
	{
		this.Sort = Sort;	
	}

	//获取类成员变量Sort的值  
	public String getSort()
	{
		return this.Sort;	
	}

	//设置类成员变量Lang的值  
 	public void setLang(String Lang)
	{
		this.Lang = Lang;	
	}
   
	//获取类成员变量Lang的值  
	public String getLang()
	{
		return this.Lang;	
	}

	//设置类成员变量Addr的值  
 	public void setAddr(String Addr)
	{
		this.Addr = Addr;	
	}
   
	//获取类成员变量Addr的值  
	public String getAddr()
	{
		return this.Addr;	
	}

 	//设置类成员变量CreateTime的值 
 	public void setCreateTime(String CreateTime)
	{
		this.CreateTime = CreateTime;	
	}   

	//获取类成员变量CreateTime的值  
	public String getCreateTime()
	{
		return this.CreateTime;	
	}  

	//设置类成员变量Count的值 
	public void setCount(int Count)
	{
		this.Count = Count;	
	}

	//获取类成员变量Count的值  
	public int getCount()
	{
		return this.Count;	
	}

 	//设置类成员变量Pic的值 
 	public void setPic(String Pic)
	{
		this.Pic = Pic;	
	}   

	//获取类成员变量Pic的值  
	public String getPic()
	{
		return this.Pic;	
	}  
	
	//设置类成员变量Url的值 
 	public void setUrl(String Url)
	{
		this.Url = Url;	
	}   

	//获取类成员变量Url的值  
	public String getUrl()
	{
		return this.Url;	
	}  	
}