Java---设计模式---书店管理系统（单机版）④
书店管理系统正确入口
进货模块
界面：
主界面：
进货明细界面：
填写进货单界面：
添加进货明细界面：
修改明细界面：
查询订单界面：
查询结果界面：
包（体现架构）：
关键性代码：
值对象1（InMainModel）：
package cn.hncu.booksManagementSystem.in.vo;
import java.io.Serializable;
import cn.hncu.booksManagementSystem.utils.DateUtil;
/**
* CreateTime: 2018年4月19日 下午7:20:31
* @author 宋进宇 Email:[email protected]
* Description:
* 进货值对象
*/
public class InMainModel implements Serializable {
private static final long serialVersionUID = 1L;
//注入userEbi 违反设计原则了，值对象不该调用别的模块的方法，除了工具类的方法
//private static UserEbi userEbi = UserEbiFactory.getInstanceOfUserEbi();
private String id; //进货单编号 --- 主键
private long inDate; //进货时间
private String inUserId; //进货人员编号 --- 外键
private String inUserName; //进货人姓名---为外键补的有个属性,提高用户体验
public InMainModel() {
}
public String getInUserName() {
return inUserName;
}
public void setInUserName(String inUserName) {
this.inUserName = inUserName;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public long getInDate() {
return inDate;
}
public void setInDate(long inDate) {
this.inDate = inDate;
}
public String getInUserId() {
return inUserId;
}
public void setInUserId(String inUserId) {
this.inUserId = inUserId;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((id == null) ? 0 : id.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
InMainModel other = (InMainModel) obj;
if (id == null) {
if (other.id != null)
return false;
} else if (!id.equals(other.id))
return false;
return true;
}
@Override
public String toString() {
return "订单编号："+id + " ,日期：" + DateUtil.long2String(inDate) + " ,进货人编号："+inUserId+" , " + inUserName;
//违反设计原则---userEbi.getUserById(inUserId).getName();
}
}
值对象2（InDetailModel）：
package cn.hncu.booksManagementSystem.in.vo;
import java.io.Serializable;
/**
* CreateTime: 2018年4月19日 下午7:16:08
* @author 宋进宇 Email:[email protected]
* @Description:
* 进货明细值对象
*/
public class InDetailModel implements Serializable{
private static final long serialVersionUID = 1L;
private String id; //进货明细编号 --- 主键
private String inId; //进货单编号 --- 外键
private String bookId; //图书编号 --- 外键
private String bookName; //图书名称---为外键添加一个属性，提高用户体验
public String getBookName() {
return bookName;
}
public void setBookName(String bookName) {
this.bookName = bookName;
}
private int sumNum; //进货数量
private double sumMoney; //进货总金额
//注入bookEbi
//这样是违反设计原则的//private static BookEbi bookEbi = BookEbiFactory.getInstanceOfBookEbi();
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((id == null) ? 0 : id.hashCode());
return result;
}
public InDetailModel() {
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getInId() {
return inId;
}
public void setInId(String inId) {
this.inId = inId;
}
public String getBookId() {
return bookId;
}
public void setBookId(String bookId) {
this.bookId = bookId;
}
public int getSumNum() {
return sumNum;
}
public void setSumNum(int sumNum) {
this.sumNum = sumNum;
}
public double getSumMoney() {
return sumMoney;
}
public void setSumMoney(double sumMoney) {
this.sumMoney = sumMoney;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
InDetailModel other = (InDetailModel) obj;
if (id == null) {
if (other.id != null)
return false;
} else if (!id.equals(other.id))
return false;
return true;
}
@Override
public String toString() {
//return "订单明细编号："+id + " ,订单编号："+inId+ " ,图书编号："+bookId +" ,《"+bookEbi.getBookModelById(bookId).getName()+"》,共"+ sumNum + "本, " + sumMoney+"元" ;
//上面这样做是违反设计原则，应该通过增加一个外键相对应的属性，来提高用户体验
return "订单明细编号："+id +" ,图书编号："+bookId +" ,《"+bookName+"》, "+ sumNum + "本 , 共：" + sumMoney+"元" ;
}
}
数据层：InMainDAO实现类（InMainDAO_FileImpl）：
package cn.hncu.booksManagementSystem.in.dao.impl;
import java.util.ArrayList;
import java.util.Collection;
import cn.hncu.booksManagementSystem.common.enums.XxxIdEnum;
import cn.hncu.booksManagementSystem.in.dao.dao.InMainDAO;
import cn.hncu.booksManagementSystem.in.vo.InMainModel;
import cn.hncu.booksManagementSystem.in.vo.InMainQueryModel;
import cn.hncu.booksManagementSystem.utils.FileIoUtil;
import cn.hncu.booksManagementSystem.utils.GeneratorXxxID_Util;
/**
* CreateTime: 2018年4月20日 下午11:09:52
* @author 宋进宇 Email:[email protected]
* Description:
* InMainDAO实现类
*/
public class InMainDAO_FileImpl implements InMainDAO {
private final String FILE_NAME = "./data/inMain.info";
@Override
public boolean add(InMainModel inMain) {
if (inMain==null) {
return false;
}
Collection col = FileIoUtil.readFromFile(FILE_NAME);
for (InMainModel model : col) {
if (model.equals(inMain)) {
return false;
}
}
boolean boo = col.add(inMain);
boolean boo2 = FileIoUtil.write2File(col, FILE_NAME);
if (boo&&boo2) {
GeneratorXxxID_Util.updateXxxId(XxxIdEnum.IN_MAIN);
return true;
}
return false;
}
@Override
public boolean detelte(String id) {
if (id==null) {
return false;
}
Collection col = FileIoUtil.readFromFile(FILE_NAME);
for (InMainModel model : col) {
if (model.getId().equals(id)) {
return col.remove(model)&&FileIoUtil.write2File(col, FILE_NAME);
}
}
return false;
}
@Override
public boolean update(InMainModel inMain) {
if (inMain==null) {
return false;
}
Collection col = FileIoUtil.readFromFile(FILE_NAME);
ArrayList list = (ArrayList) col;
for (int i = 0; i < list.size(); i++) {
if(list.get(i).equals(inMain)) {
return list.set(i, inMain)!=null&&FileIoUtil.write2File(list, FILE_NAME);
}
}
return false;
}
@Override
public InMainModel getInMainInfoById(String id) {
if (id==null) {
return null;
}
Collection col = FileIoUtil.readFromFile(FILE_NAME);
for (InMainModel model : col) {
if (model.getId().equals(id)) {
return model;
}
}
return null;
}
@Override
public Collection getAll() {
return FileIoUtil.readFromFile(FILE_NAME);
}
@Override
public Collection getInMainsByCondition(InMainQueryModel imqm) {
Collection col = getAll();
//如果查询条件为null，直接返回所有记录
if (imqm==null) {
return col;
}
Collection resCol = new ArrayList();
for (InMainModel main : col) {
//卫条件1 查id
//判断查询条件是否有效
if(imqm.getId()!=null &&!"".equals(imqm.getId())) {
//不相等跳过
if (!main.getId().equals(imqm.getId())) {
continue;
}
}
//卫条件2 查时间-范围查询：小于小的，大于大的
//判断查询条件是否有效
if (imqm.getInDate()>0) {
//小于最小时间跳过
if (main.getInDate()0) {
//大于最大时间跳过
if (main.getInDate()>imqm.getInDate2()) {
continue;
}
}
//卫条件3 查进货人id
//判断查询条件是否有效
if (imqm.getInUserId()!=null && imqm.getInUserId().trim().length()>0) {
//如果不相等跳过
if (!main.getInUserId().trim().equals(imqm.getInUserId().trim())) {
continue;
}
}
//能到这了说明该记录符合条件
resCol.add(main);
}
return resCol;
}
}
数据层：InDetailDAO实现类（InDetailDAO_FileImpl）：
package cn.hncu.booksManagementSystem.in.dao.impl;
import java.util.ArrayList;
import java.util.Collection;
import cn.hncu.booksManagementSystem.common.enums.XxxIdEnum;
import cn.hncu.booksManagementSystem.in.dao.dao.InDetailDAO;
import cn.hncu.booksManagementSystem.in.vo.InDetailModel;
import cn.hncu.booksManagementSystem.in.vo.InDetailQueryModel;
import cn.hncu.booksManagementSystem.utils.FileIoUtil;
import cn.hncu.booksManagementSystem.utils.GeneratorXxxID_Util;
/**
* CreateTime: 2018年4月20日 下午11:10:23
* @author 宋进宇 Email:[email protected]
* Description:
* InDetailDAO实现类
*/
public class InDetailDAO_FileImpl implements InDetailDAO{
private final String FILE_NAME = "./data/inDetail.info";
@Override
public boolean add(InDetailModel inDetail) {
if (inDetail==null) {
return false;
}
Collection col = FileIoUtil.readFromFile(FILE_NAME);
for (InDetailModel model : col) {
if (model.equals(inDetail)) {
return false;
}
}
boolean boo = col.add(inDetail);
boolean boo2 = FileIoUtil.write2File(col, FILE_NAME);
if (boo&&boo2) {
GeneratorXxxID_Util.updateXxxId(XxxIdEnum.IN_DETAIL);
return true;
}
return false;
}
@Override
public boolean delete(String id) {
if (id==null) {
return false;
}
Collection col = FileIoUtil.readFromFile(FILE_NAME);
for (InDetailModel model : col) {
if (model.getId().equals(id)) {
return col.remove(model)&&FileIoUtil.write2File(col, FILE_NAME);
}
}
return false;
}
@Override
public boolean update(InDetailModel inDetail) {
if (inDetail==null) {
return false;
}
Collection col = FileIoUtil.readFromFile(FILE_NAME);
ArrayList list = (ArrayList) col;
for (int i = 0; i < list.size(); i++) {
if(list.get(i).equals(inDetail)) {
return list.set(i, inDetail)!=null&&FileIoUtil.write2File(list, FILE_NAME);
}
}
return false;
}
@Override
public InDetailModel getInDetailInfoById(String id) {
if (id==null) {
return null;
}
Collection col = FileIoUtil.readFromFile(FILE_NAME);
for (InDetailModel model : col) {
if (model.getId().equals(id)) {
return model;
}
}
return null;
}
@Override
public Collection getAll() {
return FileIoUtil.readFromFile(FILE_NAME);
}
@Override
public Collection getInDetailsByCondition(InDetailQueryModel idqm) {
Collection col = getAll();
//如果查询条件为null，直接返回所有记录
if (idqm==null) {
return col;
}
Collection resCol = new ArrayList();
for (InDetailModel model : col) {
//卫条件1 查id
//判断查询条件是否有效
if(idqm.getId()!=null &&!"".equals(idqm.getId())) {
//不相等跳过
if (!model.getId().equals(idqm.getId())) {
continue;
}
}
//卫条件2 查进货单id
//判断查询条件是否有效
if(idqm.getInId()!=null &&!"".equals(idqm.getInId())) {
//不相等跳过
if (!model.getInId().equals(idqm.getInId())) {
continue;
}
}
//卫条件3 查进图书id
//判断查询条件是否有效
if(idqm.getBookId()!=null &&!"".equals(idqm.getBookId())) {
//不相等跳过
if (!model.getBookId().equals(idqm.getBookId())) {
continue;
}
}
//卫条件4 查数量 范围查询
//判断查询条件是否有效
if (idqm.getSumNum()>0) {
//小于小的跳过
if (model.getSumNum() < idqm.getSumNum()) {
continue;
}
}
//判断查询条件是否有效
if (idqm.getSumNum2()>0) {
//大于大的跳过
if (model.getSumNum() > idqm.getSumNum2()) {
continue;
}
}
//卫条件4 查金额范围查询
//判断查询条件是否有效
if (idqm.getSumMoney()>0) {
//小于小的跳过
if (model.getSumMoney() < idqm.getSumMoney()) {
continue;
}
}
//判断查询条件是否有效
if (idqm.getSumMoney2()>0) {
//大于大的跳过
if (model.getSumMoney() > idqm.getSumMoney2()) {
continue;
}
}
//能到这了说明该记录符合条件
resCol.add(model);
}
return resCol;
}
}
逻辑层：InEbi接口实现类（InEbo）：
package cn.hncu.booksManagementSystem.in.business.ebo;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import cn.hncu.booksManagementSystem.book.business.ebi.BookEbi;
import cn.hncu.booksManagementSystem.book.business.factory.BookEbiFactory;
import cn.hncu.booksManagementSystem.common.enums.XxxIdEnum;
import cn.hncu.booksManagementSystem.in.business.ebi.InEbi;
import cn.hncu.booksManagementSystem.in.dao.dao.InDetailDAO;
import cn.hncu.booksManagementSystem.in.dao.dao.InMainDAO;
import cn.hncu.booksManagementSystem.in.dao.factory.InDetailDaoFactory;
import cn.hncu.booksManagementSystem.in.dao.factory.InMainDaoFactory;
import cn.hncu.booksManagementSystem.in.vo.InDetailModel;
import cn.hncu.booksManagementSystem.in.vo.InDetailQueryModel;
import cn.hncu.booksManagementSystem.in.vo.InMainModel;
import cn.hncu.booksManagementSystem.in.vo.InMainQueryModel;
import cn.hncu.booksManagementSystem.stock.business.ebi.StockEbi;
import cn.hncu.booksManagementSystem.stock.business.factory.StockEbiFactory;
import cn.hncu.booksManagementSystem.stock.dao.dao.StockDAO;
import cn.hncu.booksManagementSystem.stock.dao.factory.StockDaoFactory;
import cn.hncu.booksManagementSystem.stock.vo.StockModel;
import cn.hncu.booksManagementSystem.utils.GeneratorXxxID_Util;
/**
* CreateTime: 2018年4月23日 上午10:33:22
* @author 宋进宇 Email:[email protected]
*/
public class InEbo implements InEbi {
//注入dao
InMainDAO inMainDao = InMainDaoFactory.getInstanceOfInMainDAO();
InDetailDAO inDetailDao = InDetailDaoFactory.getInstanceOfInDetail();
StockDAO stockDao = StockDaoFactory.getStockDAO();
//注入ebi
BookEbi bookEbi = BookEbiFactory.getInstanceOfBookEbi();
StockEbi stockEbi = StockEbiFactory.getStockEbi();
@Override
public boolean add(InMainModel inMain, List details) {
//inMain补(id,inDate)
inMain.setId(GeneratorXxxID_Util.getXxxId(XxxIdEnum.IN_MAIN ));
inMain.setInDate(System.currentTimeMillis());
boolean boo = inMainDao.add(inMain);
if (!boo) {
return false;
}
//details补(in,inId,sumMoney)
for (InDetailModel detail : details) {
detail.setId(GeneratorXxxID_Util.getXxxId(XxxIdEnum.IN_DETAIL));
detail.setInId(inMain.getId());
double inPrice = bookEbi.getBookModelById(detail.getBookId()).getInPrice();
double sumMoney = detail.getSumNum()*inPrice;
detail.setSumMoney(sumMoney);
boo = inDetailDao.add(detail);
if (!boo) {
return false;
}
//能到这里说明本次进货有效，应该更新库存
//先查询，再判断是添加还是更新
StockModel stock = stockEbi.getByBookId(detail.getBookId());
if (stock!=null) {
stock.setSumNum(stock.getSumNum()+detail.getSumNum());
boo = stockDao.updade(stock);
if (!boo) {
return false;
}
}else {
//能进入这里说明库存中没有该图书库存，应该添加一条
stock = new StockModel();
//组织参数
stock.setId(GeneratorXxxID_Util.getXxxId(XxxIdEnum.STOCK));
stock.setBookId(detail.getBookId());
stock.setSumNum(detail.getSumNum());
stock.setBookName(bookEbi.getBookModelById(detail.getBookId()).getName());
boo = stockDao.add(stock);
if (!boo) {
return false;
}
}
}
return true;
}
@Override
public Collection getInMainsByCondition(InMainQueryModel imqm, InDetailQueryModel idqm) {
//查询所有符合imqm的的进货单
Set set = new HashSet();
Collection col = inMainDao.getInMainsByCondition(imqm);
set.addAll(col);
//查询所有符合idqm的进货单
Set set2 = new HashSet();
Collection col2 = inDetailDao.getInDetailsByCondition(idqm);
for (InDetailModel detail : col2) {
set2.add(inMainDao.getInMainInfoById(detail.getInId()));
}
//两个set的交集就是两个查询条件都符合的查询结果
set.retainAll(set2);
//下面是为了给集合末尾加个null,以便ui层实现点击JList空白部分能出现弹框
//因为HashSet不能加null;
col= new ArrayList();
col.addAll(set);
col.add(null);
return col;
}
}
逻辑层：InMainEbi实现类（InMainEbo）
package cn.hncu.booksManagementSystem.in.business.ebo;
import java.util.Collection;
import cn.hncu.booksManagementSystem.in.business.ebi.InMainEbi;
import cn.hncu.booksManagementSystem.in.dao.dao.InMainDAO;
import cn.hncu.booksManagementSystem.in.dao.factory.InMainDaoFactory;
import cn.hncu.booksManagementSystem.in.vo.InMainModel;
import cn.hncu.booksManagementSystem.in.vo.InMainQueryModel;
/**
* CreateTime: 2018年4月22日 上午9:54:17
* @author 宋进宇 Email:[email protected]
* Description:
* InMainEbi实现类
*/
public class InMainEbo implements InMainEbi{
//注入inMainDAO
InMainDAO inMainDao = InMainDaoFactory.getInstanceOfInMainDAO();
@Override
public InMainModel[] getAll() {
Collection col = inMainDao.getAll();
col.add(null);
return col.toArray(new InMainModel[0]);
}
@Override
public InMainModel[] getInMainsByCondition(InMainQueryModel imqm) {
Collection col = inMainDao.getInMainsByCondition(imqm);
col.add(null);
return col.toArray(new InMainModel[0]);
}
}
逻辑层：InDetailEbi实现类（InDetailEbo）
package cn.hncu.booksManagementSystem.in.business.ebo;
import java.util.Collection;
import cn.hncu.booksManagementSystem.book.business.ebi.BookEbi;
import cn.hncu.booksManagementSystem.book.business.factory.BookEbiFactory;
import cn.hncu.booksManagementSystem.in.business.ebi.InDetailEbi;
import cn.hncu.booksManagementSystem.in.dao.dao.InDetailDAO;
import cn.hncu.booksManagementSystem.in.dao.factory.InDetailDaoFactory;
import cn.hncu.booksManagementSystem.in.vo.InDetailModel;
import cn.hncu.booksManagementSystem.in.vo.InDetailQueryModel;
/**
* CreateTime: 2018年4月22日 上午9:53:56
* @author 宋进宇 Email:[email protected]
* Description:
* InDetailEbi实现类
*/
public class InDetailEbo implements InDetailEbi {
//注入inDetailDao
InDetailDAO inDetailDao = InDetailDaoFactory.getInstanceOfInDetail();
//注入BookEbi
BookEbi bookEbi = BookEbiFactory.getInstanceOfBookEbi();
@Override
public Collection getAll() {
return inDetailDao.getAll();
}
@Override
public Collection getInDetailsByCondition(InDetailQueryModel idqm) {
return inDetailDao.getInDetailsByCondition(idqm);
}
}