classp.java
上传用户:ht0805
上传日期:2013-10-20
资源大小:384k
文件大小:4k
- 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(String id){
- boolean f=false;
- String sql="select id from classes where id ='"+id+"'";
- sqlBean db =new sqlBean();
- try{
- ResultSet rs=db.executeQuery(sql);
- if(rs.next()){ f=true;}
- else{ f=false;}
- }catch(Exception e){ e.getMessage();}
- return f;
- }
-
- public String hasMoreclass(String tea_id,String cour_time){ //检查教师是否同一时间上两门课程
-
- String temp="";
- 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()){ temp=rs.getString("id");}
- else{ temp="no";}
- }catch(Exception e){ System.out.print(e.getMessage());}
- return temp;
- }
-
-
- 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+"') ";
- try{
- sqlBean db =new sqlBean();
- db.executeInsert(sql);} catch(Exception e){System.out.print(e.toString());}
- }
-
-
- public void updateClass(String id,String tea_id,String cour_id,
- String room_id,String cour_time){
- String sql="update classes "+
- " set tea_id='"+tea_id+"',cour_id='"+cour_id+"',"+
- "room_id='"+room_id+"',cour_time='"+cour_time+"' "+
- " where id='"+id+"' ";
- sqlBean db= new sqlBean();
- db.executeInsert(sql);
- }
-
- public void updateClass(String id,String cour_id,
- String room_id){
- String sql="update classes "+
- " set cour_id='"+cour_id+"',"+
- "room_id='"+room_id+"' "+
- " where id='"+id+"' ";
- sqlBean db= new sqlBean();
- db.executeInsert(sql);
- }
-
- public int deleteClass(String id){
- int num=0;
- String sql="delete from classes where id ='"+id+"' ";
- sqlBean db= new sqlBean();
- num=db.executeDelete(sql);
- return num;
- }
-
- public ResultSet getClasses(){
-
- String sql="select classes.id,tea_id,cour_id,room_id,cour_time, "+
- "course.name as cour_name,teacher.name as tea_name "+
- "from classes ,course,teacher "+
- "where classes.cour_id=course.id "+
- "and classes.tea_id=teacher.id ";
- sqlBean db= new sqlBean();
- ResultSet rs = db.executeQuery(sql);
- return rs;
- }
-
-
- }