classp.java

针对当前网络化教学的发展趋势和成教学生分布广、面授时间短的情况,开发的基于JAVA平台的远程教学管理系统

 package stu;
 
import java.sql.*;

public class classp  {

  private String id;
  private String cour_id;
  private String tea_id;
  private String room_id;
  private String cour_time;
  public String getId() {
    return id;
  }
  public void setId(String id) {
    this.id = id;
  }
  public String getCour_id() {
    return cour_id;
  }
  public void setCour_id(String cour_id) {
    this.cour_id = cour_id;
  }
  public String getTea_id() {
    return tea_id;
  }
  public void setTea_id(String tea_id) {
    this.tea_id = tea_id;
  }
  public String getRoom_id() {
    return room_id;
  }
  public void setRoom_id(String room_id) {
    this.room_id = room_id;
  }
  public String getCour_time() {
    return cour_time;
  }
  public void setCour_time(String time) {
    this.cour_time = time;
  }
  
  public ResultSet getTeachers(){
  	String sql="select id,name from teacher  ";
  	sqlBean db = new sqlBean();
  	ResultSet rs = db.executeQuery(sql);
  	return rs;
  	                          }
  	                          
  public ResultSet getCourses(){
  	  	String sql="select id,name from course  ";
  	sqlBean db = new sqlBean();
  	ResultSet rs = db.executeQuery(sql);
  	return rs;  	          
                              }
                              
   	public boolean hasLogin(){   
  	boolean f=true;
    String sql="select id from classes where id ='"+id+"'";
  	sqlBean db =new sqlBean();
  	try{
  	ResultSet rs=db.executeQuery(sql);
  	if(rs.next()){ f=false;}
  	else{ f=true;}
  	}catch(Exception e){ e.getMessage();}
  	return f;
  	                       }
  	                                                                              
    public boolean hasMoreclass(){   //检查教师是否同一时间上两门课程
    
    boolean f=true;
    String sql="select id from classes  "+
               "where tea_id='"+tea_id+"' and cour_time='"+cour_time+"'   "; 
      sqlBean db =new sqlBean();         	
    	try{
  	ResultSet rs=db.executeQuery(sql);
  	if(rs.next()){ f=false;}
  	else{ f=true;}
  	}catch(Exception e){ e.getMessage();}
  	return f;        
  	                  }
  	                  
  	public void addClass(){
  		
  	String sql="insert into classes(id,tea_id,cour_id,room_id,cour_time)  "+
  	           "values('"+id+"','"+tea_id+"','"+cour_id+"','"+room_id+"','"+cour_time+"') ";
  	           
  		sqlBean db =new sqlBean(); 
  		db.executeInsert(sql);
  		}                  
  
}