teacher.java
上传用户:ht0805
上传日期:2013-10-20
资源大小:384k
文件大小:2k
- import java.sql.*;
- public class teacher {
-
- String id;
- String name;
- String password;
- String title;
-
- public void setPassword(String s){password = s;}
- public String getPassword(){return password;}
- public void setName(String s){name=s;}
- public String getName(){return name;}
- public void setTitle(String s){title=s;}
- public String getTitle(){return title;}
- public String getId(){return id;}
- public void setId(String id){this.id=id;}
- public ResultSet getCourse( ){
- String sql="select course.name "+
- "from classes,course "+
- "where classes.tea_id='"+id+"' "+
- "and course.id=classes.cour_id";
- sqlBean sqlbean = new sqlBean();
- ResultSet rs = sqlbean.executeQuery(sql);
- return rs;
- }
-
-
- public boolean hasLogin(String id){ //检查该教师是否已经注册
- boolean f=true;
- String sql="select id from teacher 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 void addTeacher(){
-
- String sql="insert into teacher(id,name,title,password) "+
- "values('"+id+"','"+name+"','"+title+"','"+password+"') ";
- sqlBean db =new sqlBean();
- db.executeInsert(sql);
- }
-
- public ResultSet getAll(){
-
- String sql="select * from teacher";
- sqlBean db =new sqlBean();
- ResultSet rs = db.executeQuery(sql);
- return rs;
- }
-
- public void update() {
-
- String sql= "update teacher set name='"+name+"', "+
- "title='"+title+"' ,password='"+password+"' "+
- "where id='"+id+"' ";
-
- sqlBean db =new sqlBean();
- db.executeInsert(sql);
-
- }
-
-
- public int delete(String id){
- int num=0;
- String sql="delete from teacher where id ='"+id+"' ";
- sqlBean db= new sqlBean();
- num=db.executeDelete(sql);
- return num;
- }
-
- }