JAVA JSP教师工作量系统 源代码 论文

package com.bean; /** * * 管理员登陆 修改密码 登陆记录查询 通用类文件 * */ import java.sql.ResultSet; import java.sql.SQLException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.List; import com.util.Constant; import com.util.DBO; public class AdminBean { private List list; private ResultSet rs = null; private int EVERYPAGENUM = 2; private int count = -1; private int qq = 0; private String sql="select count(*) from adminlog"; private String sql2="select * from adminlog order by id desc "; //声明时间变量 String date=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Calendar.getInstance().getTime()); //分页查询登陆日志 public void setEVERYPAGENUM(int EVERYPAGENUM){ this.EVERYPAGENUM=EVERYPAGENUM; } public int getMessageCount() { //得到信息总数 DBO dbo=new DBO(); dbo.open(); try { rs = dbo.executeQuery(sql); rs.next(); count = rs.getInt(1); return count; } catch (SQLException ex) { ex.printStackTrace(); return -1; } finally { dbo.close(); } } public int getPageCount() { //得到共多少页（根据每页要显示几条信息） if (count % EVERYPAGENUM == 0) { return count / EVERYPAGENUM; } else { return count / EVERYPAGENUM + 1; } } public List getMessage(int page) { //得到每页要显示的信息 DBO dbo=new DBO(); dbo.open(); List list = new ArrayList(); try { rs = dbo.executeQuery(sql2); for (int i = 0; i < (page - 1) * EVERYPAGENUM; i++) { rs.next(); } for (int t = 0; t < EVERYPAGENUM; t++) { if (rs.next()) { qq++; List list2=new ArrayList(); list2.add(rs.getInt("id")); list2.add(rs.getString("username")); list2.add(rs.getString("password")); list2.add(rs.getString("logintime")); list2.add(rs.getString("loginip")); list2.add(rs.getString("useros")); list2.add(rs.getString("ok")); list.add(list2); } else { break; //减少空循环的时间 } } return list; } catch (SQLException ex) { ex.printStackTrace(); return null; } finally { dbo.close(); } } //管理员登录 更新登录次数 写登录日志 public int adminLogin(String username,String md5password,String password,String loginip,String useros){ String sql = "select * from admin where username = '"+username+"' and isuse='1'"; String sql2 = "insert into adminlog(username,password,logintime,loginip,useros,ok) values('"+username+"','"+md5password+"','"+date+"','"+loginip+"','"+useros+"','true')"; String sql3 = "insert into adminlog(username,password,logintime,loginip,useros,ok) values('"+username+"','"+password+"','"+date+"','"+loginip+"','"+useros+"','false')"; String sql4 = "update admin set logintimes = logintimes+1 where username = '"+username+"' "; DBO dbo = new DBO(); String pwd; dbo.open(); try{ rs = dbo.executeQuery(sql); if(rs.next()){ pwd = rs.getString("password"); if(pwd.trim().equals(md5password)){ dbo.executeUpdate(sql2); dbo.executeUpdate(sql4); return Constant.SUCCESS; } else{ dbo.executeUpdate(sql3); return Constant.PASSWORD_ERROR; } } else{ dbo.executeUpdate(sql3); return Constant.NAME_ERROR; } }catch(Exception e){ e.printStackTrace(); return Constant.SYSTEM_ERROR; }finally{ dbo.close(); } } //查询管理员信息 public List getAdminInfo(String username){ String sql = "select * from admin where username='"+username+"' "; DBO dbo = new DBO(); dbo.open(); list = new ArrayList(); try{ rs = dbo.executeQuery(sql); rs.next(); list.add(rs.getString("username")); list.add(rs.getInt("flag")); list.add(rs.getInt("logintimes")); list.add(date); list.add(rs.getString("quanxian")); return list; }catch(Exception e){ e.printStackTrace(); return list; }finally{ dbo.close(); } } //admin edit password public int editPassword(String username,String oldpwd,String newpwd){ String sql="select * from admin where username = '"+username+"' and password = '"+oldpwd+"'"; String sql2="update admin set password = '"+newpwd+"' where username = '"+username+"'"; DBO dbo = new DBO(); dbo.open(); try{ rs = dbo.executeQuery(sql); if(rs.next()){ int i = dbo.executeUpdate(sql2); if(i == 1){ return Constant.SUCCESS; } else{ return Constant.SYSTEM_ERROR; } } else{ return Constant.PASSWORD_ERROR; } }catch(Exception e){ e.printStackTrace(); return Constant.SYSTEM_ERROR; }finally{ dbo.close(); } } //add manager public int addManager(String username,String password,String type,String isuse){ String sql = "insert into admin(username,password,creattime,flag,isuse,logintimes,quanxian) values('"+username+"','"+password+"','"+date+"','"+type+"','"+isuse+"','0','111')"; String sql2 = "select * from admin where username = '"+username+"'"; DBO dbo = new DBO(); dbo.open(); try{ rs = dbo.executeQuery(sql2); if(rs.next()){ return Constant.SAME_NAME; } else{ int i = dbo.executeUpdate(sql); if(i == 1)return Constant.SUCCESS; else return Constant.SYSTEM_ERROR; } }catch(Exception e){ e.printStackTrace(); return Constant.SYSTEM_ERROR; }finally{ dbo.close(); } } //update manager public int updateManager(String username,String password,String type,String isuse){ String sql; if(password.equals("")){ sql = "update admin set flag = '"+type+"' ,isuse = '"+isuse+"' where username = '"+username+"'"; } else{ sql = "update admin set password = '"+password+"' ,flag = '"+type+"' ,isuse = '"+isuse+"' where username = '"+username+"'"; } DBO dbo = new DBO(); dbo.open(); try{ int i = dbo.executeUpdate(sql); if(i == 1)return Constant.SUCCESS; else return Constant.SYSTEM_ERROR; }catch(Exception e){ e.printStackTrace(); return Constant.SYSTEM_ERROR; }finally{ dbo.close(); } } //get all manager public List getAllManager(){ String sql = "select * from admin where flag !='1' order by id asc"; DBO dbo = new DBO(); list = new ArrayList(); dbo.open(); try{ rs = dbo.executeQuery(sql); while(rs.next()){ List list2 = new ArrayList(); list2.add(rs.getInt(1)); list2.add(rs.getString(2)); list2.add(rs.getString(4)); list2.add(rs.getInt(5)); list2.add(rs.getInt(6)); list2.add(rs.getInt(7)); list.add(list2); } return list; }catch(Exception e){ e.printStackTrace(); return list; }finally{ dbo.close(); } } //delete manager public int delManager(int id){ String sql = "delete from admin where id = '"+id+"'"; DBO dbo = new DBO(); dbo.open(); try{ int i = dbo.executeUpdate(sql); if(i == 1)return Constant.SUCCESS; else return Constant.SYSTEM_ERROR; }catch(Exception e){ e.printStackTrace(); return Constant.SYSTEM_ERROR; }finally{ dbo.close(); } } //delete login note public int delLog(int id[]){ DBO dbo=new DBO(); dbo.open(); try{ for(int i = 0;i<id.length;i++){ dbo.executeUpdate("delete from adminlog where id = '"+id[i]+"'"); } return Constant.SUCCESS; }catch(Exception e){ e.printStackTrace(); return Constant.SYSTEM_ERROR; }finally{ dbo.close(); } } }