基于JSP的校友信息管理系统(添加数据文件版)

package com.means; import com.tools.ConnectServer; import com.entityBean.AlumniBean; import com.entityBean.ClassBean; import com.entityBean.GradeBean; import com.entityBean.SchoolBean; import com.entityBean.SpecialityBean; import com.entityBean.SystemBean; import java.sql.*; import java.sql.ResultSet; import java.util.*; public class handleAlumni{ private ConnectServer cons=null; private int j=0; public handleAlumni(){ cons=new ConnectServer(); this.cons.buildConnection(); } //根据校友学号查询校友信息 public AlumniBean fetchAlByNum(String number){ AlumniBean alb=null; String sql="select * from alumnis_Info where a_number='"+number+"'"; ResultSet rs=cons.queryDB(sql); try{ while(rs.next()){ alb=new AlumniBean(); alb.setA_id(Integer.valueOf(rs.getString(1)));//取得数据库流水号信息 alb.setA_number(rs.getString(2));//取得校友在校学号信息 alb.setA_name(rs.getString(3));//取得校友姓名 alb.setA_sex(rs.getString(4));//取得校友性别信息 alb.setA_nowwork(rs.getString(5));//取得校友现工作单位信息 alb.setA_level(rs.getString(6));//职务职称信息 alb.setA_phone(rs.getString(7));//联系电话 alb.setA_post(rs.getString(8));//邮编 alb.setA_sy_number(rs.getString(9));//所在院系 alb.setA_sp_number(rs.getString(10));//所在专业 alb.setA_g_name(rs.getString(11));//所在年级 alb.setA_c_number(rs.getString(12));//所在班级 } }catch(SQLException ex){} cons.closeConnect(); return alb; } //根据所在院系查询校友信息 public List fetchAluBySy(SystemBean syb){ List list=new ArrayList(); AlumniBean alb=null; String sql="select * from alumnis_Info where a_sy_number='"+syb.getSy_number()+"'"; ResultSet rs=cons.queryDB(sql); try{ while(rs.next()){ alb=new AlumniBean(); alb.setA_id(Integer.valueOf(rs.getString(1)));//取得数据库流水号信息 alb.setA_number(rs.getString(2));//取得校友在校学号信息 alb.setA_name(rs.getString(3));//取得校友姓名 alb.setA_sex(rs.getString(4));//取得校友性别信息 alb.setA_nowwork(rs.getString(5));//取得校友现工作单位信息 alb.setA_level(rs.getString(6));//职务职称信息 alb.setA_phone(rs.getString(7));//联系电话 alb.setA_post(rs.getString(8));//邮编 alb.setA_sy_number(rs.getString(9));//所在院系 alb.setA_sp_number(rs.getString(10));//所在专业 alb.setA_g_name(rs.getString(11));//所在年级 alb.setA_c_number(rs.getString(12));//所在班级 list.add(alb); } }catch(SQLException ex){} cons.closeConnect(); return list; } //根据所在专业查询校友信息 public List fetchAluBySp(SpecialityBean spb){ List list=new ArrayList(); AlumniBean alb=null; String sql="select * from alumnis_Info where a_sp_number='"+spb.getSp_number()+"'"; ResultSet rs=cons.queryDB(sql); try{ while(rs.next()){ alb=new AlumniBean(); alb.setA_id(Integer.valueOf(rs.getString(1)));//取得数据库流水号信息 alb.setA_number(rs.getString(2));//取得校友在校学号信息 alb.setA_name(rs.getString(3));//取得校友姓名 alb.setA_sex(rs.getString(4));//取得校友性别信息 alb.setA_nowwork(rs.getString(5));//取得校友现工作单位信息 alb.setA_level(rs.getString(6));//职务职称信息 alb.setA_phone(rs.getString(7));//联系电话 alb.setA_post(rs.getString(8));//邮编 alb.setA_sy_number(rs.getString(9));//所在院系 alb.setA_sp_number(rs.getString(10));//所在专业 alb.setA_g_name(rs.getString(11));//所在年级 alb.setA_c_number(rs.getString(12));//所在班级 list.add(alb); } }catch(SQLException ex){} cons.closeConnect(); return list; } //根据所在班级查询校友信息 public List fetchAluByCla(ClassBean cb){ List list=new ArrayList(); AlumniBean alb=null; String sql="select * from alumnis_Info where a_c_number='"+cb.getC_number()+"'"; ResultSet rs=cons.queryDB(sql); try{ while(rs.next()){ alb=new AlumniBean(); alb.setA_id(Integer.valueOf(rs.getString(1)));//取得数据库流水号信息 alb.setA_number(rs.getString(2));//取得校友在校学号信息 alb.setA_name(rs.getString(3));//取得校友姓名 alb.setA_sex(rs.getString(4));//取得校友性别信息 alb.setA_nowwork(rs.getString(5));//取得校友现工作单位信息 alb.setA_level(rs.getString(6));//职务职称信息 alb.setA_phone(rs.getString(7));//联系电话 alb.setA_post(rs.getString(8));//邮编 alb.setA_sy_number(rs.getString(9));//所在院系 alb.setA_sp_number(rs.getString(10));//所在专业 alb.setA_g_name(rs.getString(11));//所在年级 alb.setA_c_number(rs.getString(12));//所在班级 list.add(alb); } }catch(SQLException ex){} cons.closeConnect(); return list; } //根据所在年级和所在专业查询校友信息 public List fetchAluByGC(String gnumber,String spnumber){ List list=new ArrayList(); AlumniBean alb=null; String sql="select * from alumnis_Info where a_sp_number='"+spnumber+"' and a_g_name='"+gnumber+"'"; ResultSet rs=cons.queryDB(sql); try{ while(rs.next()){ alb=new AlumniBean(); alb.setA_id(Integer.valueOf(rs.getString(1)));//取得数据库流水号信息 alb.setA_number(rs.getString(2));//取得校友在校学号信息 alb.setA_name(rs.getString(3));//取得校友姓名 alb.setA_sex(rs.getString(4));//取得校友性别信息 alb.setA_nowwork(rs.getString(5));//取得校友现工作单位信息 alb.setA_level(rs.getString(6));//职务职称信息 alb.setA_phone(rs.getString(7));//联系电话 alb.setA_post(rs.getString(8));//邮编 alb.setA_sy_number(rs.getString(9));//所在院系 alb.setA_sp_number(rs.getString(10));//所在专业 alb.setA_g_name(rs.getString(11));//所在年级 alb.setA_c_number(rs.getString(12));//所在班级 list.add(alb); } }catch(SQLException ex){} cons.closeConnect(); return list; } //匹配校友姓名进行模糊查询 public List fetchAluByName(String name){ List list=new ArrayList(); AlumniBean alb=null; String sql="select * from alumnis_Info where a_name like '%"+name+"%'"; ResultSet rs=cons.queryDB(sql); try{ while(rs.next()){ alb=new AlumniBean(); alb.setA_id(Integer.valueOf(rs.getString(1)));//取得数据库流水号信息 alb.setA_number(rs.getString(2));//取得校友在校学号信息 alb.setA_name(rs.getString(3));//取得校友姓名 alb.setA_sex(rs.getString(4));//取得校友性别信息 alb.setA_nowwork(rs.getString(5));//取得校友现工作单位信息 alb.setA_level(rs.getString(6));//职务职称信息 alb.setA_phone(rs.getString(7));//联系电话 alb.setA_post(rs.getString(8));//邮编 alb.setA_sy_number(rs.getString(9));//所在院系 alb.setA_sp_number(rs.getString(10));//所在专业 alb.setA_g_name(rs.getString(11));//所在年级 alb.setA_c_number(rs.getString(12));//所在班级 list.add(alb); } }catch(SQLException ex){} cons.closeConnect(); return list; } //匹配校友工作单位进行模糊查询 public List fetchAluByWork(String work){ List list=new ArrayList();