course.java

基于struts的course

package StudyCourse;

import java.util.*;
import java.sql.ResultSet;

public class Course{
	
	protected int id;
	protected String classNo ;
	protected String courseName;
	protected String place;
	protected String time;
	protected String detail ;
	protected String condition;
	protected int price;
	protected int courseTypeId ;
	
	public Course(){	}
	
	public void setId(int id) {
		this.id = id;
	}
	
	public int getId(){
		return id;
	}	
	
	public void setClassNo(String classNo) {
		this.classNo = classNo;
	}
	
	public String getClassNo(){
		return classNo;
	}
		
	public void setCourseName(String courseName) {
		this.courseName = courseName;	
	}
	
	public String getCourseName(){
		return courseName;
	}	
		
	public void setPlace(String place) {
		this.place = place;
	}
	
	public String getPlace(){
		return place;
	}	
		
	public void setTime(String time) {
		this.time = time;
	}
	
	public String getTime(){
		return time;
	}	
	
	public void setDetail(String detail) {
		this.detail = detail;	
	}
		
	public String getDetail(){
		return detail;
	}
	
	public void setCondition(String condition) {
		this.condition = condition;	
	}
		
	public String getCondition(){
		return condition;
	}
	
	public void setPrice(int price) {
		this.price = price;
	}
	
	public int getPrice(){
		return price;
	}	
	
	public void setCourseTypeId(int courseTypeId) {
		this.courseTypeId = courseTypeId;
	}
	
	public int getCourseTypeId(){
		return courseTypeId;
	}	
	
/*	public boolean Insert(DB db) throws Exception{
        String strSql;
		ResultSet rs;
		int iMaxId;
        strSql = "Select max(id) From news";
		rs = db.OpenSql(strSql);  
		if ( rs.next()) {
			iMaxId=rs.getInt(1)+1;
		}
		else{
			iMaxId=1;
		}
        
        strSql = "insert into news values(" 
        		+ iMaxId 	+",'"
				+ title 	+"','"
				+ content 	+"','"
				+ author 	+"',sysdate,'"
				+ keyword	+"')";
		if ( db.ExecSql(strSql)==0) {
			return false;
		}
		else{
			return true;
		}
	
	}
	
	public  boolean Edit(DB db) throws Exception{
        String strSql;
        strSql = "update news set title='"+title+"',"
        		+ " content='"+ content +"',"
        		+ " author='"+ author +"',"
        		+ " keyword='"+ keyword +"'"
        		+ " where id="+id;
		if ( db.ExecSql(strSql)==0) {
			return false;
		}
		else{
				return true;
		}
	}	
*/	
	public static Vector SearchCourse(DB db,int courseType,String field,String keyword) throws Exception{
		Vector courseList = new Vector();
		ResultSet rs,rsNest;
        String strSql=null;
        String sField=null;
		
        if (courseType==0 ) {
        	strSql = "select * from course where 1=1 ";
        }
        else{
        	strSql = "select * from course where coursetypeid=" + courseType;
        }
        
        if (keyword==null||keyword==""){
        	strSql = strSql + " order by classno";
        }
        else{
        	if (field.equals("1")) sField="classno";
        	else if(field.equals("2")) sField="coursename";
        	else if(field.equals("3")) sField="place";
        	
        	strSql = strSql	+ " and " + sField +" like '%" + keyword +"%' order by classno";
        }
        
		rs = db.OpenSql(strSql);
		
		while  (rs.next()){
			Course course = new Course();
			
			course.setId(rs.getInt("id")) ;
			course.setClassNo(rs.getString("classno")) ;
			course.setCourseName(rs.getString("coursename")) ;
			course.setPrice(rs.getInt("price")) ;
			course.setPlace(rs.getString("place")) ;
			course.setTime(rs.getString("time")) ;
			
			courseList.add(course);
		}
		System.out.println("courseList:        "+courseList.size());
					
		return courseList;
	}
	
/*	public static Vector SearchRelativeNews(DB db,int newsId,String keyword) throws Exception{
		Vector newsList = new Vector();
		ResultSet rs,rsNest;
        String strSql=null;
		
        strSql = "select * from news where id<>" + newsId +" and title like '%" 
        		+ keyword + "%' order by time desc";
		rs = db.OpenSql(strSql);
		
		while  (rs.next()){
			News news = new News();
			
			news.setId(rs.getInt("id")) ;
			news.setTitle(rs.getString("title")) ;
			news.setTime(rs.getString("time")) ;
			
			newsList.add(news);
		}
		System.out.println("newsList:        "+newsList.size());
					
		return newsList;
	}
*/	
	public static Course GetDetail(DB db,int courseId) throws Exception{
		ResultSet rs,rsNest;
        String strSql=null;
        String rplContent=null;
		
        strSql = "select * from course where id=" + courseId;
		rs = db.OpenSql(strSql);
		Course course = new Course();
		if (rs.next()){
			
			course.setId(rs.getInt("id")) ;
			course.setClassNo(rs.getString("classno")) ;
			course.setCourseName(rs.getString("coursename")) ;
			course.setPrice(rs.getInt("price")) ;
			course.setPlace(rs.getString("place")) ;
			
			rplContent = rs.getString("detail");
			rplContent = rplContent.replaceAll("\n","<br>");
			
			course.setDetail(rplContent) ;
			course.setTime(rs.getString("time")) ;
			course.setCondition(rs.getString("condition")) ;
		}
		return course;
	}
	
/*	public static boolean Delete(DB db,int newsId) throws Exception{
        String strSql;
        strSql = "delete from news where id='"+newsId+"'";
		if ( db.ExecSql(strSql)==0) {
			return false;
		}
		else{
			return true;
		}
	}	
*/	
}