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package com.lingnan.supermarket.dao.impl;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.Vector;
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import com.lingnan.supermarket.dao.productionService;
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import com.lingnan.supermarket.dto.Production;
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import com.lingnan.supermarket.utils.JDBCUtil;
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public class productionImpl implements productionService {
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@Override
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/**
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* 查找全部商品信息
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*/
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public Vector<Production> findAllproduction() {
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Vector<Production> productions = new Vector<Production>();
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Connection conn = JDBCUtil.getConn();
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String SQL = "select * from production where delmark = 1";
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PreparedStatement preparedStatement = null;
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ResultSet resultSet = null;
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try {
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preparedStatement = conn.prepareStatement(SQL);
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resultSet = preparedStatement.executeQuery();
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while (resultSet.next()) {
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Production production = new Production();
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production.setId(resultSet.getString("id"));
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production.setName(resultSet.getString("name"));
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production.setInPrice(resultSet.getFloat("inPrice"));
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production.setOutPrice(resultSet.getFloat("OutPrice"));
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production.setLife(resultSet.getInt("life"));
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production.setSum(resultSet.getInt("sum"));
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production.setSupplyId(resultSet.getInt("supplyId"));
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production.setId2(resultSet.getString("id2"));
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production.setName2(resultSet.getString("name2"));
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production.setDelmark(resultSet.getInt("delmark"));
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productions.add(production);
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}
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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JDBCUtil.close(resultSet, preparedStatement, conn);
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}
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return productions;
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}
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/* 用于收银系统，通过商品id返回所有信息 */
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public Production findByIdProduction(String id) {
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Production production = new Production();
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Connection conn = JDBCUtil.getConn();
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PreparedStatement preparedStatement = null;
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ResultSet resultSet = null;
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try {
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preparedStatement = conn
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.prepareStatement("select * from production where id=? and delmark = 1");
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preparedStatement.setString(1, id);
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resultSet = preparedStatement.executeQuery();
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if (resultSet.next()) {
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production.setId(resultSet.getString("id"));
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production.setName(resultSet.getString("name"));
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production.setInPrice(resultSet.getFloat("inPrice"));
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production.setOutPrice(resultSet.getFloat("OutPrice"));
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production.setLife(resultSet.getInt("life"));
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production.setSum(resultSet.getInt("sum"));
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production.setSupplyId(resultSet.getInt("supplyId"));
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production.setId2(resultSet.getString("id2"));
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production.setName2(resultSet.getString("name2"));
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production.setDelmark(resultSet.getInt("delmark"));
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} else {
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System.out.println("未找到");
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return null;
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}
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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JDBCUtil.close(resultSet, preparedStatement, conn);
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}
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return production;
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}
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@Override
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public Vector<Production> findproduction(String name) {
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/**
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* 由一个商品名查找并输出全部商品信息
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*/
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Vector<Production> productions = new Vector<Production>();
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Connection conn = JDBCUtil.getConn();
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PreparedStatement preparedStatement = null;
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ResultSet resultSet = null;
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try {
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preparedStatement = conn.prepareStatement("select * from production where name like ? and delmark = 1");
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String s='%'+name+'%';
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preparedStatement.setString(1, s);
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resultSet = preparedStatement.executeQuery();
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while (resultSet.next()) {
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Production production = new Production();
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production.setId(resultSet.getString("id"));
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production.setName(resultSet.getString("name"));
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production.setInPrice(resultSet.getFloat("inPrice"));
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production.setOutPrice(resultSet.getFloat("OutPrice"));
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production.setLife(resultSet.getInt("life"));
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production.setSum(resultSet.getInt("sum"));
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production.setSupplyId(resultSet.getInt("supplyId"));
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production.setId2(resultSet.getString("id2"));
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production.setName2(resultSet.getString("name2"));
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production.setDelmark(resultSet.getInt("delmark"));
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productions.add(production);
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}
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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JDBCUtil.close(resultSet, preparedStatement, conn);
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}
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return productions;
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}
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@Override
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/**
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* 通过商品名字来查找输出单个商品信息
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*/
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public Production findByNameProduction(String name) {
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Production production = new Production();
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Connection conn = JDBCUtil.getConn();
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PreparedStatement preparedStatement = null;
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ResultSet resultSet = null;
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try {
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preparedStatement = conn
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.prepareStatement("select * from production where name=?");
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preparedStatement.setString(1, name);
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resultSet = preparedStatement.executeQuery();
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if (resultSet.next()) {
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production.setId(resultSet.getString("id"));
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production.setName(resultSet.getString("name"));
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production.setInPrice(resultSet.getFloat("inPrice"));
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production.setOutPrice(resultSet.getFloat("OutPrice"));
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production.setLife(resultSet.getInt("life"));
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production.setSum(resultSet.getInt("sum"));
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production.setSupplyId(resultSet.getInt("supplyId"));
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production.setDelmark(resultSet.getInt("delmark"));
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} else {
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return null;
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}
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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JDBCUtil.close(resultSet, preparedStatement, conn);
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}
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return production;
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}
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@Override
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/**
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* 假设商品不存在，增加商品的信息
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*/
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public int addProduction(Production p) {
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int flag = 0;
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Connection conn = JDBCUtil.getConn();
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PreparedStatement preparedStatement = null;
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PreparedStatement preparedStatement1 = null;
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ResultSet resultSet1=null;
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// 假设商品不存在
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try {
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preparedStatement1 = conn.prepareStatement("select * from production where id=?");
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preparedStatement1.setString(1, p.getId());
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resultSet1=preparedStatement1.executeQuery();
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if(resultSet1.next()){
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return flag=2;
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}
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preparedStatement = conn.prepareStatement("insert into production values(?,?,?,?,?,?,?,?,?,?,?)");
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preparedStatement.setString(1, p.getId());
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preparedStatement.setString(2, p.getName());
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preparedStatement.setFloat(3, p.getInPrice());
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preparedStatement.setFloat(4, p.getOutPrice());
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preparedStatement.setInt(5, p.getLife());
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preparedStatement.setInt(6, p.getSum());
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preparedStatement.setInt(7, p.getSupplyId());
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preparedStatement.setString(8, p.getId2());
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preparedStatement.setString(9, p.getName2());
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preparedStatement.setFloat(10, 0);
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preparedStatement.setInt(11, 1);
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preparedStatement.executeUpdate();
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flag=1;
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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JDBCUtil.close(null, preparedStatement, conn);
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}
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return flag;
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}
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@Override
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/**
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* 删除商品信息
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*/
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public int deleteProduction(String id) {
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int flag = 0;
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Connection conn = JDBCUtil.getConn();
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PreparedStatement preparedStatement = null;
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try {
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preparedStatement = conn
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.prepareStatement("delete from production where id = ?");
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preparedStatement.setString(1, id);
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preparedStatement.executeUpdate();
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flag = 1;
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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JDBCUtil.close(null, preparedStatement, conn);
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}
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return flag;
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}
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@Override
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/**
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* 更新商品信息
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*/
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public int updateProduction(Production p) {
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int flag = 0;
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Connection conn = JDBCUtil.getConn();
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PreparedStatement preparedStatement = null;
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try {
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preparedStatement = conn
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.prepareStatement("update production set name=?,inPrice=?,OutPrice=?,life=?,sum=?,delmark=? where id = ? and supplyId=?");
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preparedStatement.setString(1, p.getName());
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preparedStatement.setFloat(2, p.getInPrice());
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preparedStatement.setFloat(3, p.getOutPrice());
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preparedStatement.setInt(4, p.getLife());
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preparedStatement.setInt(5, p.getSum());
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preparedStatement.setInt(6, p.getDelmark());
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preparedStatement.setString(7, p.getId());
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preparedStatement.setInt(8, p.getSupplyId());
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preparedStatement.executeUpdate();
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flag = 1;
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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JDBCUtil.close(null, preparedStatement, conn);
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}
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return flag;
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}
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@Override
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public Vector<Production> findProductionById2(String id) {
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/**
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* 由一个商品类别id2查找并输出全部商品
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*/
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Vector<Production> productions = new Vector<Production>();
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Connection conn = JDBCUtil.getConn();
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PreparedStatement preparedStatement = null;
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ResultSet resultSet = null;
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try {
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if(id.equals("0"))
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preparedStatement = conn.prepareStatement("select * from production where delmark = 1");
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else
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{preparedStatement = conn.prepareStatement("select * from production where id2= ? and delmark = 1");
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preparedStatement.setString(1, id);}
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resultSet = preparedStatement.executeQuery();
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while (resultSet.next()) {
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Production production = new Production();
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production.setId(resultSet.getString("id"));
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production.setName(resultSet.getString("name"));
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production.setInPrice(resultSet.getFloat("inPrice"));
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production.setOutPrice(resultSet.getFloat("OutPrice"));
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production.setLife(resultSet.getInt("life"));
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production.setSum(resultSet.getInt("sum"));
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production.setSupplyId(resultSet.getInt("supplyId"));
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production.setId2(resultSet.getString("id2"));
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production.setName2(resultSet.getString("name2"));
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production.setDelmark(resultSet.getInt("delmark"));
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productions.add(production);
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}
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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JDBCUtil.close(resultSet, preparedStatement, conn);
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}
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return productions;
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}
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@Override
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/**
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* 更新商品数量和价格
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*/
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public boolean updateProductionSum(String prodId,int sum) {
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boolean flag = false;
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Connection conn = JDBCUtil.getConn();
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PreparedStatement preparedStatement = null;
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try {
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preparedStatement = conn
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.prepareStatement("update production set sum=?+(select sum from(select sum from production where id = ? and delmark=1 ) p) where id = ? and delmark=1;");
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preparedStatement.setInt(1, sum);
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preparedStatement.setString(2, prodId);
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preparedStatement.setString(3, prodId);
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if(preparedStatement.executeUpdate()==1);
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flag = true;
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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JDBCUtil.close(null, preparedStatement, conn);
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}
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return flag;
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}
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}
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