基于java超市进销存管理系统源码

package com.lzw.dao; import internalFrame.guanli.Item; import java.sql.Connection; import java.sql.Date; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Set; import model.TbGysinfo; import model.TbKhinfo; import model.TbKucun; import model.TbRkthDetail; import model.TbRkthMain; import model.TbRukuDetail; import model.TbRukuMain; import model.TbSellDetail; import model.TbSellMain; import model.TbSpinfo; import model.TbUserlist; import model.TbXsthDetail; import model.TbXsthMain; public class Dao { protected static String dbClassName = "com.microsoft.jdbc.sqlserver.SQLServerDriver"; protected static String dbUrl = "jdbc:microsoft:sqlserver://localhost:1433;" + "DatabaseName=db_JXC;SelectMethod=Cursor"; protected static String dbUser = "sa"; protected static String dbPwd = ""; protected static String second = null; public static Connection conn = null; static { try { if (conn == null) { Class.forName(dbClassName).newInstance(); conn = DriverManager.getConnection(dbUrl, dbUser, dbPwd); } } catch (Exception ee) { ee.printStackTrace(); } } private Dao() { } // 读取所有客户信息 public static List getKhInfos() { List list = findForList("select id,khname from tb_khinfo"); return list; } // 读取所有供应商信息 public static List getGysInfos() { List list = findForList("select id,name from tb_gysinfo"); return list; } // 读取客户信息 public static TbKhinfo getKhInfo(Item item) { String where = "khname='" + item.getName() + "'"; if (item.getId() != null) where = "id='" + item.getId() + "'"; TbKhinfo info = new TbKhinfo(); ResultSet set = findForResultSet("select * from tb_khinfo where " + where); try { if (set.next()) { info.setId(set.getString("id").trim()); info.setKhname(set.getString("khname").trim()); info.setJian(set.getString("jian").trim()); info.setAddress(set.getString("address").trim()); info.setBianma(set.getString("bianma").trim()); info.setFax(set.getString("fax").trim()); info.setHao(set.getString("hao").trim()); info.setLian(set.getString("lian").trim()); info.setLtel(set.getString("ltel").trim()); info.setMail(set.getString("mail").trim()); info.setTel(set.getString("tel").trim()); info.setXinhang(set.getString("xinhang").trim()); } } catch (SQLException e) { e.printStackTrace(); } return info; } // 读取指定供应商信息 public static TbGysinfo getGysInfo(Item item) { String where = "name='" + item.getName() + "'"; if (item.getId() != null) where = "id='" + item.getId() + "'"; TbGysinfo info = new TbGysinfo(); ResultSet set = findForResultSet("select * from tb_gysinfo where " + where); try { if (set.next()) { info.setId(set.getString("id").trim()); info.setAddress(set.getString("address").trim()); info.setBianma(set.getString("bianma").trim()); info.setFax(set.getString("fax").trim()); info.setJc(set.getString("jc").trim()); info.setLian(set.getString("lian").trim()); info.setLtel(set.getString("ltel").trim()); info.setMail(set.getString("mail").trim()); info.setName(set.getString("name").trim()); info.setTel(set.getString("tel").trim()); info.setYh(set.getString("yh").trim()); } } catch (SQLException e) { e.printStackTrace(); } return info; } // 读取用户 public static TbUserlist getUser(String name, String password) { TbUserlist user = new TbUserlist(); ResultSet rs = findForResultSet("select * from tb_userlist where username='" + name + "'"); try { if (rs.next()) { user.setUsername(name); user.setPass(rs.getString("pass")); if (user.getPass().equals(password)) { user.setName(rs.getString("name")); user.setQuan(rs.getString("quan")); } } } catch (SQLException e) { e.printStackTrace(); } return user; } // 执行指定查询 public static ResultSet query(String QueryStr) { ResultSet set = findForResultSet(QueryStr); return set; } // 执行删除 public static int delete(String sql) { return update(sql); } // 添加客户信息的方法 public static boolean addKeHu(TbKhinfo khinfo) { if (khinfo == null) return false; return insert("insert tb_khinfo values('" + khinfo.getId() + "','" + khinfo.getKhname() + "','" + khinfo.getJian() + "','" + khinfo.getAddress() + "','" + khinfo.getBianma() + "','" + khinfo.getTel() + "','" + khinfo.getFax() + "','" + khinfo.getLian() + "','" + khinfo.getLtel() + "','" + khinfo.getMail() + "','" + khinfo.getXinhang() + "','" + khinfo.getHao() + "')"); } // 修改客户信息的方法 public static int updateKeHu(TbKhinfo khinfo) { return update("update tb_khinfo set jian='" + khinfo.getJian() + "',address='" + khinfo.getAddress() + "',bianma='" + khinfo.getBianma() + "',tel='" + khinfo.getTel() + "',fax='" + khinfo.getFax() + "',lian='" + khinfo.getLian() + "',ltel='" + khinfo.getLtel() + "',mail='" + khinfo.getMail() + "',xinhang='" + khinfo.getXinhang() + "',hao='" + khinfo.getHao() + "' where id='" + khinfo.getId() + "'"); } // 修改库存的方法 public static int updateKucunDj(TbKucun kcInfo) { return update("update tb_kucun set dj=" + kcInfo.getDj() + " where id='" + kcInfo.getId() + "'"); } // 修改供应商信息的方法 public static int updateGys(TbGysinfo gysInfo) { return update("update tb_gysinfo set jc='" + gysInfo.getJc() + "',address='" + gysInfo.getAddress() + "',bianma='" + gysInfo.getBianma() + "',tel='" + gysInfo.getTel() + "',fax='" + gysInfo.getFax() + "',lian='" + gysInfo.getLian() + "',ltel='" + gysInfo.getLtel() + "',mail='" + gysInfo.getMail() + "',yh='" + gysInfo.getYh() + "' where id='" + gysInfo.getId() + "'"); } // 添加供应商信息的方法 public static boolean addGys(TbGysinfo gysInfo) { if (gysInfo == null) return false; return insert("insert tb_gysinfo values('" + gysInfo.getId() + "','" + gysInfo.getName() + "','" + gysInfo.getJc() + "','" + gysInfo.getAddress() + "','" + gysInfo.getBianma() + "','" + gysInfo.getTel() + "','" + gysInfo.getFax() + "','" + gysInfo.getLian() + "','" + gysInfo.getLtel() + "','" + gysInfo.getMail() + "','" + gysInfo.getYh() + "')"); } // 添加商品 public static boolean addSp(TbSpinfo spInfo) { if (spInfo == null) return false; return insert("insert tb_spinfo values('" + spInfo.getId() + "','" + spInfo.getSpname() + "','" + spInfo.getJc() + "','" + spInfo.getCd() + "','" + spInfo.getDw() + "','" + spInfo.getGg() + "','" + spInfo.getBz() + "','" + spInfo.getPh() + "','" + spInfo.getPzwh() + "','" + spInfo.getMemo() + "','" + spInfo.getGysname() + "')"); } // 更新商品 public static int updateSp(TbSpinfo spInfo) { return update("update tb_spinfo set jc='" + spInfo.getJc() + "',cd='" + spInfo.getCd() + "',dw='" + spInfo.getDw() + "',gg='" + spInfo.getGg() + "',bz='" + spInfo.getBz() + "',ph='" + spInfo.getPh() + "',pzwh='" + spInfo.getPzwh() + "',memo='" + spInfo.getMemo() + "',gysname='" + spInfo.getGysname() + "' where id='" + spInfo.getId() + "'"); } // 读取商品信息 public static TbSpinfo getSpInfo(Item item) { String where = "spname='" + item.getName() + "'"; if (item.getId() != null) where = "id='" + item.getId() + "'"; ResultSet rs = findForResultSet("select * from tb_spinfo where " + where); TbSpinfo spInfo = new TbSpinfo(); try { if (rs.next()) { spInfo.setId(rs.getString("id").trim()); spInfo.setBz(rs.getString("bz").trim()); spInfo.setCd(rs.getString("cd").trim()); spInfo.setDw(rs.getString("