commit b9df03f93b4eb6e0ab296bb34c262a9ee7562b17 Author: zyx <1029606625@qq.com> Date: Fri May 20 17:56:40 2022 +0800 v1.0.0 项目完成 diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..35410ca --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# 默认忽略的文件 +/shelf/ +/workspace.xml +# 基于编辑器的 HTTP 客户端请求 +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/libraries/lib.xml b/.idea/libraries/lib.xml new file mode 100644 index 0000000..fa8838a --- /dev/null +++ b/.idea/libraries/lib.xml @@ -0,0 +1,10 @@ + + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..3104a9c --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,11 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..c9c447f --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml new file mode 100644 index 0000000..e96534f --- /dev/null +++ b/.idea/uiDesigner.xml @@ -0,0 +1,124 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..94a25f7 --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/lib/jxl.jar b/lib/jxl.jar new file mode 100644 index 0000000..4a1fc64 Binary files /dev/null and b/lib/jxl.jar differ diff --git a/lib/mysql-connector-java-8.0.26.jar b/lib/mysql-connector-java-8.0.26.jar new file mode 100644 index 0000000..c5c07f6 Binary files /dev/null and b/lib/mysql-connector-java-8.0.26.jar differ diff --git a/src/cn/czyx007/Main.java b/src/cn/czyx007/Main.java new file mode 100644 index 0000000..55fdb79 --- /dev/null +++ b/src/cn/czyx007/Main.java @@ -0,0 +1,29 @@ +package cn.czyx007; + +import cn.czyx007.bean.User; +import cn.czyx007.service.transaction.Login; +import cn.czyx007.service.transaction.Menu; +import cn.czyx007.util.JDBCUtils; + +import java.sql.Connection; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 22:29 + */ +public class Main { + public static void main(String[] args) { + Connection connection = null; + try { + connection = JDBCUtils.getConnection(); + User login = Login.login(connection); + if(login != null){ + Menu.mainMenu(connection,login); + } + } catch (Exception e) { + e.printStackTrace(); + } finally { + JDBCUtils.closeResource(connection); + } + } +} diff --git a/src/cn/czyx007/bean/Product.java b/src/cn/czyx007/bean/Product.java new file mode 100644 index 0000000..820c47d --- /dev/null +++ b/src/cn/czyx007/bean/Product.java @@ -0,0 +1,68 @@ +package cn.czyx007.bean; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 23:24 + */ +public class Product { + //商品条形码 + private String barCode; + //商品名称 + private String productName; + //单价 + private Double price; + //供应商 + private String supply; + + public Product() { + } + + public Product(String barCode, String productName, Double price, String supply) { + this.barCode = barCode; + this.productName = productName; + this.price = price; + this.supply = supply; + } + + public String getBarCode() { + return barCode; + } + + public void setBarCode(String barCode) { + this.barCode = barCode; + } + + public String getProductName() { + return productName; + } + + public void setProductName(String productName) { + this.productName = productName; + } + + public Double getPrice() { + return price; + } + + public void setPrice(Double price) { + this.price = price; + } + + public String getSupply() { + return supply; + } + + public void setSupply(String supply) { + this.supply = supply; + } + + @Override + public String toString() { + return "Product{" + + "barCode='" + barCode + '\'' + + ", productName='" + productName + '\'' + + ", price=" + price + + ", supply='" + supply + '\'' + + '}'; + } +} diff --git a/src/cn/czyx007/bean/SaleDetail.java b/src/cn/czyx007/bean/SaleDetail.java new file mode 100644 index 0000000..69e894c --- /dev/null +++ b/src/cn/czyx007/bean/SaleDetail.java @@ -0,0 +1,112 @@ +package cn.czyx007.bean; + +import java.util.Date; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 23:24 + */ +public class SaleDetail { + //流水号 + private String lsh; + //商品条形码 + private String barCode; + //商品名称 + private String productName; + //商品单价 + private Double price; + //数量 + private Integer count; + //收银员 + private String operator; + //销售时间 + private Date saleTime; + + public SaleDetail() { + } + + public SaleDetail(String lsh, String barCode, String productName, Double price, Integer count, String operator, Date saleTime) { + this.lsh = lsh; + this.barCode = barCode; + this.productName = productName; + this.price = price; + this.count = count; + this.operator = operator; + this.saleTime = saleTime; + } + + public String getLsh() { + return lsh; + } + + public void setLsh(String lsh) { + this.lsh = lsh; + } + + public String getBarCode() { + return barCode; + } + + public void setBarCode(String barCode) { + this.barCode = barCode; + } + + public String getProductName() { + return productName; + } + + public void setProductName(String productName) { + this.productName = productName; + } + + public Double getPrice() { + return price; + } + + public void setPrice(Double price) { + this.price = price; + } + + public Integer getCount() { + return count; + } + + public void setCount(Integer count) { + this.count = count; + } + + public String getOperator() { + return operator; + } + + public void setOperator(String operator) { + this.operator = operator; + } + + public Date getSaleTime() { + return saleTime; + } + + public void setSaleTime(Date saleTime) { + this.saleTime = saleTime; + } + + @Override + public String toString() { + return "SaleDetail{" + + "lsh='" + lsh + '\'' + + ", barCode='" + barCode + '\'' + + ", productName='" + productName + '\'' + + ", price=" + price + + ", count=" + count + + ", operator='" + operator + '\'' + + ", saleTime=" + saleTime + + '}'; + } + + public void showInfoBySaleTime(){ + System.out.print(lsh + "\t" + productName + "\t"); + System.out.printf("% 4.2f\t% 4d\t% 4.2f\t",price,count,price*count); + System.out.print(saleTime + "\t"); + } +} diff --git a/src/cn/czyx007/bean/User.java b/src/cn/czyx007/bean/User.java new file mode 100644 index 0000000..ac5d580 --- /dev/null +++ b/src/cn/czyx007/bean/User.java @@ -0,0 +1,68 @@ +package cn.czyx007.bean; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 23:24 + */ +public class User { + //用户登录名 + private String userName; + //密码 sha1加密存储 + private String password; + //中文名 + private String chrName; + //用户角色 管理员/收银员 + private String role; + + public User() { + } + + public User(String userName, String password, String chrName, String role) { + this.userName = userName; + this.password = password; + this.chrName = chrName; + this.role = role; + } + + public String getUserName() { + return userName; + } + + public void setUserName(String userName) { + this.userName = userName; + } + + public String getPassword() { + return password; + } + + public void setPassword(String password) { + this.password = password; + } + + public String getChrName() { + return chrName; + } + + public void setChrName(String chrName) { + this.chrName = chrName; + } + + public String getRole() { + return role; + } + + public void setRole(String role) { + this.role = role; + } + + @Override + public String toString() { + return "User{" + + "userName='" + userName + '\'' + + ", password='" + password + '\'' + + ", chrName='" + chrName + '\'' + + ", role='" + role + '\'' + + '}'; + } +} diff --git a/src/cn/czyx007/exception/BarCodeException.java b/src/cn/czyx007/exception/BarCodeException.java new file mode 100644 index 0000000..4919e0d --- /dev/null +++ b/src/cn/czyx007/exception/BarCodeException.java @@ -0,0 +1,14 @@ +package cn.czyx007.exception; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/15 - 12:46 + */ +public class BarCodeException extends Exception{ + public BarCodeException() { + } + + public BarCodeException(String message) { + super(message); + } +} diff --git a/src/cn/czyx007/exception/PasswordException.java b/src/cn/czyx007/exception/PasswordException.java new file mode 100644 index 0000000..cae887c --- /dev/null +++ b/src/cn/czyx007/exception/PasswordException.java @@ -0,0 +1,14 @@ +package cn.czyx007.exception; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/15 - 14:45 + */ +public class PasswordException extends Exception{ + public PasswordException() { + } + + public PasswordException(String message) { + super(message); + } +} diff --git a/src/cn/czyx007/exception/ProductException.java b/src/cn/czyx007/exception/ProductException.java new file mode 100644 index 0000000..54a3a0b --- /dev/null +++ b/src/cn/czyx007/exception/ProductException.java @@ -0,0 +1,14 @@ +package cn.czyx007.exception; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/15 - 13:07 + */ +public class ProductException extends Exception{ + public ProductException() { + } + + public ProductException(String message) { + super(message); + } +} diff --git a/src/cn/czyx007/service/dao/ProductDAO.java b/src/cn/czyx007/service/dao/ProductDAO.java new file mode 100644 index 0000000..f8c6c58 --- /dev/null +++ b/src/cn/czyx007/service/dao/ProductDAO.java @@ -0,0 +1,44 @@ +package cn.czyx007.service.dao; + +import cn.czyx007.bean.Product; + +import java.sql.Connection; +import java.util.List; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 23:38 + */ +public interface ProductDAO { + /** + * 添加一个新商品 + * @param connection + * @param product + * @return + */ + int insertProduct(Connection connection, Product product); + + /** + * 根据商品条形码删除一个商品 + * @param connection + * @param barCode + * @return + */ + int deleteProduct(Connection connection,String barCode); + + /** + * 根据商品名称模糊查询商品数据 + * @param connection + * @param productName + * @return + */ + List queryProductByName(Connection connection, String productName); + + /** + * 根据商品条形码查询商品表，若可选参数为0则返回所有商品 + * @param connection + * @param barCodes + * @return + */ + List queryProductByCode(Connection connection, String ...barCodes); +} diff --git a/src/cn/czyx007/service/dao/SaleDetailDAO.java b/src/cn/czyx007/service/dao/SaleDetailDAO.java new file mode 100644 index 0000000..64d567a --- /dev/null +++ b/src/cn/czyx007/service/dao/SaleDetailDAO.java @@ -0,0 +1,44 @@ +package cn.czyx007.service.dao; + +import cn.czyx007.bean.SaleDetail; + +import java.sql.Connection; +import java.util.List; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 23:38 + */ +public interface SaleDetailDAO { + /** + * 添加一个销售明细 + * @param connection + * @param saleDetail + * @return + */ + int insertSaleDetail(Connection connection, SaleDetail saleDetail); + + /** + * 根据流水号删除一个销售明细 + * @param connection + * @param lsh + * @return + */ + int deleteSaleDetail(Connection connection,String lsh); + + /** + * 根据流水号查询销售明细表，若可选参数为0则返回所有销售明细 + * @param connection + * @param lshs + * @return + */ + List querySaleDetailByLsh(Connection connection, String ...lshs); + + /** + * 根据销售时间查询销售明细表 + * @param connection + * @param date + * @return + */ + List querySaleDetailBySaleTime(Connection connection, String date); +} diff --git a/src/cn/czyx007/service/dao/UserDAO.java b/src/cn/czyx007/service/dao/UserDAO.java new file mode 100644 index 0000000..2f27c3a --- /dev/null +++ b/src/cn/czyx007/service/dao/UserDAO.java @@ -0,0 +1,54 @@ +package cn.czyx007.service.dao; + +import cn.czyx007.bean.User; + +import java.sql.Connection; +import java.util.List; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 23:37 + */ +public interface UserDAO { + /** + * 检查用户名与密码是否匹配，用于登录校验 + * @param connection + * @param userName + * @param password + * @return + */ + long checkUserPassword(Connection connection,String userName,String password); + + /** + * 插入一个新用户 + * @param connection + * @param user + * @return + */ + int insertUser(Connection connection, User user); + + /** + * 根据用户登录名删除一个用户 + * @param connection + * @param userName + * @return + */ + int deleteUser(Connection connection,String userName); + + /** + * 根据用户登录名修改用户密码 + * @param connection + * @param userName + * @param newPassword + * @return + */ + int updateUser(Connection connection,String userName,String newPassword); + + /** + * 根据用户登录名查询用户表，若可选参数为0则返回所有用户 + * @param connection + * @param userNames + * @return + */ + List queryUser(Connection connection,String ...userNames); +} diff --git a/src/cn/czyx007/service/dao/base/BaseDAO.java b/src/cn/czyx007/service/dao/base/BaseDAO.java new file mode 100644 index 0000000..8db1fe4 --- /dev/null +++ b/src/cn/czyx007/service/dao/base/BaseDAO.java @@ -0,0 +1,128 @@ +package cn.czyx007.service.dao.base; + +import cn.czyx007.util.JDBCUtils; + +import java.lang.reflect.Field; +import java.lang.reflect.ParameterizedType; +import java.lang.reflect.Type; +import java.math.BigDecimal; +import java.sql.*; +import java.time.LocalDateTime; +import java.time.ZoneId; +import java.util.ArrayList; +import java.util.List; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 22:22 + */ +public class BaseDAO { + private Class clazz = null; + + //获取当前BaseDAO的子类继承的父类中的泛型 + {//只能用非静态，静态代码块内不能调用非静态 + //获取当前对象的父类的泛型 + //此处this对象是子类的对象 + Type genericSuperclass = this.getClass().getGenericSuperclass(); + ParameterizedType paramType = (ParameterizedType) genericSuperclass; + //获取了父类的泛型参数 + Type[] typeArguments = paramType.getActualTypeArguments(); + //泛型的第一个参数 + clazz = (Class) typeArguments[0]; + } + + public static int update(Connection connection, String sql, Object... args) { + PreparedStatement ps = null; + try { + ps = connection.prepareStatement(sql); + for (int i = 0; i < args.length; i++) { + ps.setObject(i + 1, args[i]); + } + //返回增删改操作影响的行数 + return ps.executeUpdate(); + } catch (Exception e) { + e.printStackTrace(); + } finally { + JDBCUtils.closeResource(null, ps); + } + return 0; + } + + /** + * 针对不同的表的通用的查询操作，返回所有记录 + * ver2.0 考虑到数据库事务 + * + * @param sql 要执行的sql语句 + * @param args 填充占位符 + * @return List返回查询结果记录 + */ + public List search(Connection connection, String sql, Object... args) { + PreparedStatement ps = null; + ResultSet resultSet = null; + try { + ps = connection.prepareStatement(sql); + for (int i = 0; i < args.length; i++) { + ps.setObject(i + 1, args[i]); + } + + resultSet = ps.executeQuery(); + + ResultSetMetaData metaData = resultSet.getMetaData(); + int columnCount = metaData.getColumnCount(); + + ArrayList results = new ArrayList<>(); + + while (resultSet.next()) { + T t = clazz.newInstance(); + for (int i = 0; i < columnCount; i++) { + Object columnValue = resultSet.getObject(i + 1); + if (columnValue instanceof BigDecimal){ + columnValue = Double.parseDouble(columnValue.toString()); + } + if (columnValue instanceof LocalDateTime){ + columnValue = Date.from(((LocalDateTime) columnValue).atZone(ZoneId.systemDefault()).toInstant()); + } + + //获取列的别名（没有起别名时默认就是列名） + String columnLabel = metaData.getColumnLabel(i + 1); + + Field field = t.getClass().getDeclaredField(columnLabel); + field.setAccessible(true); +// System.out.print(columnLabel + ", " + columnValue + " "); +// System.out.println(columnValue.getClass()); + field.set(t, columnValue); + } + results.add(t); + } + + return results; + + } catch (Exception e) { + e.printStackTrace(); + } finally { + JDBCUtils.closeResource(null, ps, resultSet); + } + return null; + } + + //用于查询特殊值的通用方法 + public E getValue(Connection connection,String sql,Object ...args) { + PreparedStatement ps = null; + ResultSet rs = null; + try { + ps = connection.prepareStatement(sql); + for (int i = 0; i < args.length; i++) { + ps.setObject(i+1,args[i]); + } + rs = ps.executeQuery(); + if (rs.next()){ + return (E) rs.getObject(1); + } + } catch (SQLException e) { + e.printStackTrace(); + } finally { + JDBCUtils.closeResource(null,ps,rs); + } + return null; + } +} diff --git a/src/cn/czyx007/service/dao/impl/ProductDAOImpl.java b/src/cn/czyx007/service/dao/impl/ProductDAOImpl.java new file mode 100644 index 0000000..54f3096 --- /dev/null +++ b/src/cn/czyx007/service/dao/impl/ProductDAOImpl.java @@ -0,0 +1,52 @@ +package cn.czyx007.service.dao.impl; + +import cn.czyx007.bean.Product; +import cn.czyx007.service.dao.ProductDAO; +import cn.czyx007.service.dao.base.BaseDAO; + +import java.sql.Connection; +import java.util.List; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 23:39 + */ +public class ProductDAOImpl extends BaseDAO implements ProductDAO { + @Override + public int insertProduct(Connection connection, Product product) { + //language=MySQL + String sql = "insert into sale.tproduct values (?,?,?,?)"; + return update(connection,sql,product.getBarCode(),product.getProductName(),product.getPrice(),product.getSupply()); + } + + @Override + public int deleteProduct(Connection connection, String barCode) { + //language=MySQL + String sql = "delete from sale.tproduct where bar_code = ?"; + return update(connection,sql,barCode); + } + + @Override + public List queryProductByName(Connection connection, String productName) { + //language=MySQL + String sql = "select bar_code barCode, product_name productName, price, supply from sale.tproduct where product_name like ?"; + return search(connection,sql,"%" + productName + "%"); + } + + @Override + public List queryProductByCode(Connection connection, String... barCodes) { + //language=MySQL + StringBuilder sql = new StringBuilder("select bar_code barCode, product_name productName, price, supply from sale.tproduct"); + if (barCodes.length > 0){ + sql.append(" where bar_code in ("); + for (int i = 0; i < barCodes.length; i++) { + sql.append("?"); + if (i < barCodes.length-1) + sql.append(","); + } + sql.append(")"); + return search(connection,sql.toString(), (Object[]) barCodes); + } + return search(connection,sql.toString()); + } +} diff --git a/src/cn/czyx007/service/dao/impl/SaleDetailDAOImpl.java b/src/cn/czyx007/service/dao/impl/SaleDetailDAOImpl.java new file mode 100644 index 0000000..83d3686 --- /dev/null +++ b/src/cn/czyx007/service/dao/impl/SaleDetailDAOImpl.java @@ -0,0 +1,53 @@ +package cn.czyx007.service.dao.impl; + +import cn.czyx007.bean.SaleDetail; +import cn.czyx007.service.dao.SaleDetailDAO; +import cn.czyx007.service.dao.base.BaseDAO; + +import java.sql.Connection; +import java.util.List; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 23:39 + */ +public class SaleDetailDAOImpl extends BaseDAO implements SaleDetailDAO { + @Override + public int insertSaleDetail(Connection connection, SaleDetail saleDetail) { + //language=MySQL + String sql = "insert into sale.tsaledetail values (?,?,?,?,?,?,?)"; + return update(connection,sql,saleDetail.getLsh(),saleDetail.getBarCode(), saleDetail.getProductName(), + saleDetail.getPrice(),saleDetail.getCount(), saleDetail.getOperator(), saleDetail.getSaleTime()); + } + + @Override + public int deleteSaleDetail(Connection connection, String lsh) { + //language=MySQL + String sql = "delete from sale.tsaledetail where lsh = ?"; + return update(connection,sql,lsh); + } + + @Override + public List querySaleDetailByLsh(Connection connection, String... lshs) { + //language=MySQL + StringBuilder sql = new StringBuilder("select lsh, bar_code barCode, product_name productName, price, count, operator, sale_time saleTime from sale.tsaledetail"); + if (lshs.length > 0){ + sql.append(" where lsh in ("); + for (int i = 0; i < lshs.length; i++) { + sql.append("?"); + if (i < lshs.length-1) + sql.append(","); + } + sql.append(")"); + return search(connection,sql.toString(), (Object[]) lshs); + } + return search(connection,sql.toString()); + } + + @Override + public List querySaleDetailBySaleTime(Connection connection, String date) { + //language=MySQL + String sql = "SELECT lsh, bar_code barCode, product_name productName, price, count, operator, sale_time saleTime FROM sale.tsaledetail WHERE STR_TO_DATE(sale_time,'%Y-%m-%d') = ?"; + return search(connection,sql,date); + } +} diff --git a/src/cn/czyx007/service/dao/impl/UserDAOImpl.java b/src/cn/czyx007/service/dao/impl/UserDAOImpl.java new file mode 100644 index 0000000..62d6f73 --- /dev/null +++ b/src/cn/czyx007/service/dao/impl/UserDAOImpl.java @@ -0,0 +1,61 @@ +package cn.czyx007.service.dao.impl; + +import cn.czyx007.bean.User; +import cn.czyx007.service.dao.UserDAO; +import cn.czyx007.service.dao.base.BaseDAO; + +import java.sql.Connection; +import java.util.List; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 23:39 + */ +public class UserDAOImpl extends BaseDAO implements UserDAO { + @Override + public long checkUserPassword(Connection connection, String userName, String password) { + //language=MySQL + String sql = "select password = sha1(?) from sale.tuser where user_name = ?"; + Object value = getValue(connection, sql, password, userName); + if (value == null) + return 0; + return (long) value; + } + + @Override + public int insertUser(Connection connection, User user) { + //language=MySQL + String sql = "insert into sale.tuser values (?,sha1(?),?,?)"; + return update(connection,sql,user.getUserName(),user.getPassword(),user.getChrName(),user.getRole()); + } + + @Override + public int deleteUser(Connection connection, String userName) { + //language=MySQL + String sql = "delete from sale.tuser where user_name = ?"; + return update(connection,sql,userName); + } + + @Override + public int updateUser(Connection connection, String userName, String newPassword) { + //language=MySQL + String sql = "update sale.tuser set password = sha1(?) where user_name = ?"; + return update(connection,sql,newPassword,userName); + } + + @Override + public List queryUser(Connection connection, String... userNames) { + //language=MySQL + StringBuilder sql = new StringBuilder("select user_name userName, password, chr_name chrName, role from sale.tuser"); + if (userNames.length > 0){ + sql.append(" where user_name in ("); + for (int i = 0; i < userNames.length; i++) { + sql.append("?"); + if (i < userNames.length-1) + sql.append(","); + } + sql.append(")"); + } + return search(connection,sql.toString(), (Object[]) userNames); + } +} diff --git a/src/cn/czyx007/service/transaction/DataExportMenu.java b/src/cn/czyx007/service/transaction/DataExportMenu.java new file mode 100644 index 0000000..96cca50 --- /dev/null +++ b/src/cn/czyx007/service/transaction/DataExportMenu.java @@ -0,0 +1,80 @@ +package cn.czyx007.service.transaction; + +import cn.czyx007.bean.Product; +import cn.czyx007.service.dao.impl.ProductDAOImpl; +import jxl.Workbook; +import jxl.write.Label; +import jxl.write.Number; +import jxl.write.WritableSheet; +import jxl.write.WritableWorkbook; + +import java.io.BufferedWriter; +import java.io.File; +import java.io.FileWriter; +import java.sql.Connection; +import java.time.LocalDate; +import java.util.List; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/15 - 14:59 + */ +public class DataExportMenu { + public static void exportDataToExcel(Connection connection){ + String[] dateStr = LocalDate.now().toString().split("-"); + String exportExcelName = "saleDetail" + dateStr[0].concat(dateStr[1]).concat(dateStr[2]) + ".xls"; + WritableWorkbook wwb = null; + try { + wwb = Workbook.createWorkbook(new File("src/" + exportExcelName)); + WritableSheet ws = wwb.createSheet("商品表", 0); + + ws.addCell(new Label(0,0,"barCode")); + ws.addCell(new Label(1,0,"productName")); + ws.addCell(new Label(2,0,"price")); + ws.addCell(new Label(3,0,"supply")); + + List products = new ProductDAOImpl().queryProductByCode(connection); + for (int i = 0; i < products.size(); i++) { + ws.addCell(new Label(0,i+1,products.get(i).getBarCode())); + ws.addCell(new Label(1,i+1,products.get(i).getProductName())); + ws.addCell(new Number(2,i+1,products.get(i).getPrice())); + ws.addCell(new Label(3,i+1,products.get(i).getSupply())); + } + wwb.write(); + System.out.println("成功导出 " + products.size() + " 条销售数据到 excel 文件中"); + System.out.print("按任意键返回主菜单"); + System.in.read(); + } catch (Exception e) { + System.out.println("数据导入失败！"); + e.printStackTrace(); + }finally { + if (wwb != null){ + try { + wwb.close(); + }catch (Exception e){ + e.printStackTrace(); + } + } + } + } + public static void exportDataToText(Connection connection){ + String[] dateStr = LocalDate.now().toString().split("-"); + String exportTextName = "saleDetail" + dateStr[0].concat(dateStr[1]).concat(dateStr[2]) + ".txt"; + try (BufferedWriter bw = new BufferedWriter(new FileWriter("src/" + exportTextName))){ + bw.write("barCode productName price supply\n"); + List products = new ProductDAOImpl().queryProductByCode(connection); + for (int i = 0; i < products.size(); i++) { + bw.write(products.get(i).getBarCode() + " "); + bw.write(products.get(i).getProductName() + " "); + bw.write(products.get(i).getPrice() + " "); + bw.write(products.get(i).getSupply() + "\n"); + } + bw.flush(); + System.out.println("成功导出 " + products.size() + " 条销售数据到文本文件中"); + System.out.print("按任意键返回主菜单"); + System.in.read(); + }catch (Exception e){ + e.printStackTrace(); + } + } +} diff --git a/src/cn/czyx007/service/transaction/GoodsMaintenanceMenu.java b/src/cn/czyx007/service/transaction/GoodsMaintenanceMenu.java new file mode 100644 index 0000000..6ba146c --- /dev/null +++ b/src/cn/czyx007/service/transaction/GoodsMaintenanceMenu.java @@ -0,0 +1,200 @@ +package cn.czyx007.service.transaction; + +import cn.czyx007.bean.Product; +import cn.czyx007.exception.ProductException; +import cn.czyx007.service.dao.impl.ProductDAOImpl; +import cn.czyx007.util.BarCodeCheck; +import jxl.Sheet; +import jxl.Workbook; + +import java.io.*; +import java.lang.reflect.Field; +import java.sql.Connection; +import java.util.ArrayList; +import java.util.List; +import java.util.Scanner; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/15 - 10:57 + */ +public class GoodsMaintenanceMenu { + /** + * 从excel导入数据 + * + * @param connection + */ + public static void loadDataFromExcel(Connection connection) { + Workbook workbook = null; + try { + workbook = Workbook.getWorkbook(new File("src/product.xls")); + Sheet sheet = workbook.getSheet(0); + + ArrayList products = new ArrayList<>(); + Product product; + int rows = sheet.getRows(); + int columns = sheet.getColumns(); + for (int i = 1; i < rows; i++) { + product = new Product(); + for (int j = 0; j < columns; j++) { + String columnLabel = sheet.getCell(j, 0).getContents(); + Object columnValue = sheet.getCell(j, i).getContents(); + if ("price".equals(columnLabel)) + columnValue = Double.parseDouble((String) columnValue); + + Field field = product.getClass().getDeclaredField(columnLabel); + field.setAccessible(true); + field.set(product, columnValue); + } + products.add(product); + } + + int cnt = 0; + ProductDAOImpl productDAO = new ProductDAOImpl(); + for (int i = 0; i < products.size(); i++) { + List queryProduct = productDAO.queryProductByCode(connection, products.get(i).getBarCode()); + if (queryProduct.size() == 0) { + productDAO.insertProduct(connection, products.get(i)); + cnt++; + } + } + System.out.println("成功从 excel 文件导入 " + cnt + " 条商品数据"); + System.out.print("按任意键返回主菜单"); + System.in.read(); + } catch (Exception e) { + System.out.println("数据导入失败！"); + e.printStackTrace(); + }finally { + if (workbook != null){ + try { + workbook.close(); + }catch (Exception e){ + e.printStackTrace(); + } + } + } + } + + /** + * 从txt文件导入数据 + * + * @param connection + */ + public static void loadDataFromText(Connection connection) { + try (BufferedReader br = new BufferedReader(new FileReader("src/product.txt"))) { + int cnt = 0; + String line; + String[] titles = null; + ArrayList datas = new ArrayList<>(); + while ((line = br.readLine()) != null) { + cnt++; + if (cnt == 1) { + titles = line.split(" "); + } else { + datas.add(line); + } + } + + ArrayList products = new ArrayList<>(); + Product product; + for (int i = 0; i < datas.size(); i++) { + product = new Product(); + String[] rowData = datas.get(i).split(" "); + for (int j = 0; j < titles.length; j++) { + String columnLabel = titles[j]; + Object columnValue = rowData[j]; + if ("price".equals(columnLabel)) + columnValue = Double.parseDouble((String) columnValue); + + Field field = product.getClass().getDeclaredField(columnLabel); + field.setAccessible(true); + field.set(product, columnValue); + } + products.add(product); + } + + cnt = 0; + ProductDAOImpl productDAO = new ProductDAOImpl(); + for (int i = 0; i < products.size(); i++) { + List queryProduct = productDAO.queryProductByCode(connection, products.get(i).getBarCode()); + if (queryProduct.size() == 0) { + productDAO.insertProduct(connection, products.get(i)); + cnt++; + } + } + System.out.println("成功从文本文件导入 " + cnt + " 条商品数据"); + System.out.print("按任意键返回主菜单"); + System.in.read(); + } catch (Exception e) { + System.out.println("数据导入失败！"); + } + } + + /** + * 从键盘依次录入商品信息 + * @param connection + */ + public static void loadDataFromKeyboard(Connection connection) { + ProductDAOImpl productDAO = new ProductDAOImpl(); + Scanner scanner = new Scanner(System.in); + while (true) { + try { + System.out.print("请输入待录入的商品信息(格式为："); + System.out.println("商品条形码，商品名称，单价，供应商)："); + String input = scanner.next(); + String[] product = input.split("，"); + if (product.length != 4) + throw new ProductException("你输入的数据格式不正确，请重新输入"); + + if (BarCodeCheck.checkFormat(product[0])) { + List queryProduct = productDAO.queryProductByCode(connection, product[0]); + if (queryProduct.size() != 0) + throw new ProductException("条形码不能重复，请重新输入"); + + try { + Double price = Double.parseDouble(product[2]); + int res = productDAO.insertProduct(connection, new Product(product[0], product[1], price, product[3])); + if (res == 1) System.out.println("添加成功"); + else System.out.println("添加失败"); + }catch (NumberFormatException e){ + System.out.println("输入的价格格式不正确"); + } + System.out.println("是否继续录入？(y/n)："); + String opt = scanner.next(); + if ("n".equalsIgnoreCase(opt)) + return; + } + } catch (Exception e) { + System.out.println(e.getMessage()); + } + } + } + + /** + * 商品查询 + * 根据输入的商品名称进行模糊查询 + * @param connection + */ + public static void productQuery(Connection connection){ + Scanner scanner = new Scanner(System.in); + System.out.println("请输入查询的商品名称："); + String productName = scanner.next(); + + List products = new ProductDAOImpl().queryProductByName(connection, productName); + System.out.printf("满足条件的记录总共%d条，信息如下：\n",products.size()); + System.out.println("序号 条形码 商品名称 单价\t供应商"); + System.out.println("=== ===== ======= \t ====\t====="); + if (products.size() > 0) + for (int i = 0; i < products.size(); i++) { + System.out.print((i+1) + "\t" + products.get(i).getBarCode() + "\t" + products.get(i).getProductName() + "\t"); + System.out.printf("%- 7.2f\t",products.get(i).getPrice()); + System.out.println(products.get(i).getSupply()); + } + System.out.print("按任意键返回主菜单"); + try { + System.in.read(); + } catch (IOException e) { + e.printStackTrace(); + } + } +} diff --git a/src/cn/czyx007/service/transaction/Login.java b/src/cn/czyx007/service/transaction/Login.java new file mode 100644 index 0000000..0f819d3 --- /dev/null +++ b/src/cn/czyx007/service/transaction/Login.java @@ -0,0 +1,52 @@ +package cn.czyx007.service.transaction; + +import cn.czyx007.bean.User; +import cn.czyx007.service.dao.impl.UserDAOImpl; + +import java.sql.Connection; +import java.util.Scanner; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/14 - 12:15 + */ +public class Login { + private static String userName; + private static String password; + + public static void getUserNameAndPassword(Scanner scanner){ + System.out.print("请输入用户名："); + userName = scanner.next(); + System.out.print("请输入密码："); + password = scanner.next(); + } + + public static User login(Connection connection){ + Scanner scanner = new Scanner(System.in); + System.out.println("欢迎使用超市收银系统，请登陆："); + getUserNameAndPassword(scanner); + + int loginCnt = 0; + while (true) { + if (loginSystem(connection) == 1) { + System.out.println("登录成功"); + return new UserDAOImpl().queryUser(connection,userName).get(0); + }else { + loginCnt++; + if (loginCnt < 3) { + System.out.println("用户名或密码不正确，请重新输入"); + getUserNameAndPassword(scanner); + } + else { + System.out.println("最多只能尝试 3 次"); + return null; + } + } + } + } + + public static long loginSystem(Connection connection){ + UserDAOImpl userDAO = new UserDAOImpl(); + return userDAO.checkUserPassword(connection,userName,password); + } +} diff --git a/src/cn/czyx007/service/transaction/Menu.java b/src/cn/czyx007/service/transaction/Menu.java new file mode 100644 index 0000000..562040e --- /dev/null +++ b/src/cn/czyx007/service/transaction/Menu.java @@ -0,0 +1,52 @@ +package cn.czyx007.service.transaction; + +import cn.czyx007.bean.User; +import cn.czyx007.util.MenuUtils; + +import java.sql.Connection; +import java.util.Scanner; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/14 - 12:15 + */ +public class Menu { + public static void mainMenu(Connection connection, User user) { + Scanner scanner = new Scanner(System.in); + int opt; + while (true) { + while (true) { + System.out.printf("\n===超市收银系统=== \n" + + "1、收银\n" + + "2、查询统计\n" + + "3、商品维护\n" + + "4、修改密码\n" + + "5、数据导出\n" + + "6、退出\n" + + "当前收银员：" + user.getChrName() + "\n请选择（1-6）："); + opt = MenuUtils.checkInputNumber(scanner,1,6); + if (opt != -1) break; + } + switch (opt) { + case 1: + SystemFunction.cashier(connection, user); + break; + case 2: + SystemFunction.query(connection,user); + break; + case 3: + SystemFunction.goodsMaintenance(connection,user); + break; + case 4: + SystemFunction.changePassword(connection,user); + break; + case 5: + SystemFunction.dataExport(connection); + break; + case 6: + SystemFunction.exit(); + break; + } + } + } +} diff --git a/src/cn/czyx007/service/transaction/SystemFunction.java b/src/cn/czyx007/service/transaction/SystemFunction.java new file mode 100644 index 0000000..1ab9a8b --- /dev/null +++ b/src/cn/czyx007/service/transaction/SystemFunction.java @@ -0,0 +1,241 @@ +package cn.czyx007.service.transaction; + +import cn.czyx007.bean.Product; +import cn.czyx007.bean.SaleDetail; +import cn.czyx007.bean.User; +import cn.czyx007.exception.BarCodeException; +import cn.czyx007.exception.PasswordException; +import cn.czyx007.service.dao.impl.ProductDAOImpl; +import cn.czyx007.service.dao.impl.SaleDetailDAOImpl; +import cn.czyx007.service.dao.impl.UserDAOImpl; +import cn.czyx007.util.BarCodeCheck; +import cn.czyx007.util.MenuUtils; +import cn.czyx007.util.PasswordCheck; + +import java.sql.Connection; +import java.text.SimpleDateFormat; +import java.util.Date; +import java.util.List; +import java.util.Scanner; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/14 - 15:30 + */ +public class SystemFunction { + /** + * 收银功能 + * + * @param connection + * @param user + */ + public static void cashier(Connection connection, User user) { + Scanner scanner = new Scanner(System.in); + String code; + while (true) { + System.out.println("请输入商品条形码（6 位数字字符）："); + code = scanner.next(); + try { + if (BarCodeCheck.checkFormat(code)) { + List products = new ProductDAOImpl().queryProductByCode(connection, code); + if (products.size() == 1) { + Product product = products.get(0); + while (true) { + try { + System.out.println("输入商品数量："); + int cnt = Integer.parseInt(scanner.next()); + if (cnt <= 0) throw new NumberFormatException("输入的不是正整数"); + + SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); + + int insertSaleDetail = new SaleDetailDAOImpl().insertSaleDetail(connection, + new SaleDetail(String.valueOf(System.currentTimeMillis()), + code, product.getProductName(), product.getPrice(), + cnt, user.getUserName(), sdf.parse(sdf.format(System.currentTimeMillis())))); + if (insertSaleDetail == 1) { + System.out.println("成功增加一笔销售数据"); + System.out.print("按任意键返回主菜单"); + System.in.read(); + return; + } + } catch (Exception e) { + System.out.println(e.getMessage()); + } + } + }else System.out.println("您输入的商品条形码不存在，请确认后重新输入"); + } + } catch (BarCodeException e) { + System.out.println(e.getMessage()); + } + } + } + + /** + * 查询统计功能 + * + * @param connection + * @param user + */ + public static void query(Connection connection, User user) { + Scanner scanner = new Scanner(System.in); + System.out.println("请输入销售日期（yyyy-MM-dd）:"); + String dateStr = scanner.next(); + try { + Date date = new SimpleDateFormat("yyyy-MM-dd").parse(dateStr); + String[] dateDetail = dateStr.split("-"); + + List saleDetails = new SaleDetailDAOImpl().querySaleDetailBySaleTime(connection, dateStr); + + System.out.println(dateDetail[0] + " 年 " + dateDetail[1] + " 月 " + dateDetail[2] + " 日销售如下"); + System.out.println("\t流水号\t\t商品名称\t 单价\t 数量\t 金额\t\t\t时间\t\t\t\t\t收银员\n" + + "=============\t======\t ====\t ====\t ====\t==============================\t======"); + int productNum = 0; + double saleMoney = 0; + if (saleDetails != null) { + for (int i = 0; i < saleDetails.size(); i++) { + saleDetails.get(i).showInfoBySaleTime(); + System.out.println(user.getUserName()); + productNum += saleDetails.get(i).getCount(); + saleMoney += saleDetails.get(i).getCount() * saleDetails.get(i).getPrice(); + } + } + System.out.println("销售总数：" + saleDetails.size() + " 商品总件：" + productNum + " 销售总金额：" + saleMoney); + System.out.println("日期：" + dateDetail[0] + " 年 " + dateDetail[1] + " 月 " + dateDetail[2] + " 日"); + System.out.print("按任意键返回主菜单"); + System.in.read(); + } catch (Exception e) { + System.out.println("你输入的日期格式不正确，请重新输入"); + } + } + + /** + * 商品维护功能 + * + * @param connection + * @param user + */ + public static void goodsMaintenance(Connection connection, User user) { + if (!("管理员".equals(user.getRole()))) { + System.out.println("当前用户没有执行该项功能的权限"); + return; + } + + int opt; + Scanner scanner = new Scanner(System.in); + while (true) { + while (true) { + System.out.print("===超市商品管理维护====\n" + + "1、从 excel 中导入数据\n" + + "2、从文本文件导入数据\n" + + "3、键盘输入\n" + + "4、商品查询\n" + + "5、返回主菜单\n" + + "请选择（1-5）："); + opt = MenuUtils.checkInputNumber(scanner, 1, 5); + if (opt != -1) break; + } + switch (opt) { + case 1://从excel中导入数据 + GoodsMaintenanceMenu.loadDataFromExcel(connection); + break; + case 2://从文本文件导入数据 + GoodsMaintenanceMenu.loadDataFromText(connection); + break; + case 3://键盘输入数据 + GoodsMaintenanceMenu.loadDataFromKeyboard(connection); + break; + case 4://商品查询 + GoodsMaintenanceMenu.productQuery(connection); + break; + case 5://返回主菜单 + return; + } + } + } + + /** + * 修改密码功能 + * + * @param connection + * @param user + */ + public static void changePassword(Connection connection, User user) { + Scanner scanner = new Scanner(System.in); + UserDAOImpl userDAO = new UserDAOImpl(); + String pwd; + while (true) { + System.out.println("请输入当前用户的原密码："); + pwd = scanner.next(); + if(userDAO.checkUserPassword(connection, user.getUserName(), pwd) == 0){ + System.out.println("原密码输入不正确，请重新输入"); + }else break; + } + System.out.println("请设置新的密码："); + while (true){ + try { + pwd = scanner.next(); + if(PasswordCheck.checkFormat(pwd)){ + System.out.println("请输入确认密码："); + String ensurePwd = scanner.next(); + if (pwd.equals(ensurePwd)){ + userDAO.updateUser(connection,user.getUserName(),ensurePwd); + System.out.println("您已成功修改密码，请谨记"); + System.out.print("按任意键返回主菜单"); + System.in.read(); + return; + }else throw new PasswordException("两次输入的密码必须一致，请重新输入密码"); + } + }catch (Exception e){ + System.out.println(e.getMessage()); + } + } + + } + + /** + * 数据导出功能 + * + * @param connection + */ + public static void dataExport(Connection connection) { + int opt; + Scanner scanner = new Scanner(System.in); + while (true) { + while (true) { + System.out.print("===超市销售信息导出====\n" + + "1、导出到 excel 文件\n" + + "2、导出到文本文件\n" + + "3、返回主菜单\n" + + "请选择（1-3）："); + opt = MenuUtils.checkInputNumber(scanner, 1, 3); + if (opt != -1) break; + } + switch (opt) { + case 1://导出到 excel 文件 + DataExportMenu.exportDataToExcel(connection); + break; + case 2://导出到文本文件 + DataExportMenu.exportDataToText(connection); + break; + case 3://返回主菜单 + return; + } + } + } + + /** + * 退出功能 + */ + public static void exit() { + Scanner scanner = new Scanner(System.in); + while (true) { + System.out.println("您确认退出系统吗（y/n）"); + String opt = scanner.next(); + if ("y".equalsIgnoreCase(opt)) { + System.out.println("欢迎下次继续使用"); + System.exit(0); + } else if ("n".equalsIgnoreCase(opt)) + return; + } + } +} \ No newline at end of file diff --git a/src/cn/czyx007/util/BarCodeCheck.java b/src/cn/czyx007/util/BarCodeCheck.java new file mode 100644 index 0000000..0432779 --- /dev/null +++ b/src/cn/czyx007/util/BarCodeCheck.java @@ -0,0 +1,18 @@ +package cn.czyx007.util; + +import cn.czyx007.exception.BarCodeException; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/15 - 12:44 + */ +public class BarCodeCheck { + public static boolean checkFormat(String code) throws BarCodeException{ + if (code.length() == 6) { + for (int i = 0; i < 6; i++) + if (!(code.charAt(i) >= '0' && code.charAt(i) <= '9')) + throw new BarCodeException("输入的条形码不是纯数字"); + return true; + }else throw new BarCodeException("输入的条形码长度不正确"); + } +} diff --git a/src/cn/czyx007/util/JDBCUtils.java b/src/cn/czyx007/util/JDBCUtils.java new file mode 100644 index 0000000..2a83e0b --- /dev/null +++ b/src/cn/czyx007/util/JDBCUtils.java @@ -0,0 +1,101 @@ +package cn.czyx007.util; + +import java.io.InputStream; +import java.sql.*; +import java.util.Properties; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/13 - 22:23 + */ +public class JDBCUtils { + /** + * 获取数据库的连接 + * @return + * @throws Exception + */ + public static Connection getConnection() throws Exception{ + //读取配置文件中的4个基本信息 + Properties pros = new Properties(); + InputStream is = JDBCUtils.class.getClassLoader().getResourceAsStream("jdbc.properties"); + pros.load(is); + + String user = pros.getProperty("user"); + String password = pros.getProperty("password"); + String url = pros.getProperty("url"); + String driverClass = pros.getProperty("driverClass"); + + //加载驱动 + Class.forName(driverClass); + + //获取连接 + Connection connection = DriverManager.getConnection(url, user, password); + + return connection; + } + + /** + * 关闭数据库连接 + * @param connection + */ + public static void closeResource(Connection connection){ + if (connection != null){ + try { + connection.close(); + }catch (SQLException e){ + e.printStackTrace(); + } + } + } + + /** + * 关闭数据库连接和Statement的操作 + * @param connection + * @param ps + */ + public static void closeResource(Connection connection, Statement ps){ + if (ps != null) { + try { + ps.close(); + } catch (SQLException e) { + e.printStackTrace(); + } + } + if (connection != null) { + try { + connection.close(); + } catch (SQLException e) { + e.printStackTrace(); + } + } + } + + /** + * 关闭数据库连接和Statement的操作以及结果集 + * @param connection + * @param ps + */ + public static void closeResource(Connection connection, Statement ps, ResultSet rs){ + if (ps != null) { + try { + ps.close(); + } catch (SQLException e) { + e.printStackTrace(); + } + } + if (connection != null) { + try { + connection.close(); + } catch (SQLException e) { + e.printStackTrace(); + } + } + if (rs != null){ + try { + rs.close(); + } catch (SQLException e) { + e.printStackTrace(); + } + } + } +} diff --git a/src/cn/czyx007/util/MenuUtils.java b/src/cn/czyx007/util/MenuUtils.java new file mode 100644 index 0000000..4476308 --- /dev/null +++ b/src/cn/czyx007/util/MenuUtils.java @@ -0,0 +1,24 @@ +package cn.czyx007.util; + +import java.util.Scanner; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/15 - 15:30 + */ +public class MenuUtils { + public static int checkInputNumber(Scanner scanner, int low, int high) { + String input = scanner.next(); + try { + int opt = Integer.parseInt(input); + if (opt >= low && opt <= high) + return opt; + else { + System.out.println("输入无效，只能输入" + low + "-" + high); + } + } catch (NumberFormatException e) { + System.out.println("输入无效，只能输入" + low + "-" + high); + } + return -1; + } +} diff --git a/src/cn/czyx007/util/PasswordCheck.java b/src/cn/czyx007/util/PasswordCheck.java new file mode 100644 index 0000000..34f4104 --- /dev/null +++ b/src/cn/czyx007/util/PasswordCheck.java @@ -0,0 +1,28 @@ +package cn.czyx007.util; + +import cn.czyx007.exception.PasswordException; + +/** + * @author : 张宇轩 + * @createTime : 2022/5/15 - 14:44 + */ +public class PasswordCheck { + private static final String PASSWORD_SECURITY_ERROR = "您的密码不符合复杂性要求（密码长度不少于 6 个字符，至少有一个小写字母，至少有一个大写字母，至少一个数字），请重新输入："; + + public static boolean checkFormat(String pwd) throws PasswordException { + if (pwd.length() >= 6) { + int numCnt = 0, lowCnt = 0, upCnt = 0; + for (int i = 0; i < pwd.length(); i++) { + if (pwd.charAt(i) >= '0' && pwd.charAt(i) <= '9') + numCnt++; + else if (pwd.charAt(i) >= 'a' && pwd.charAt(i) <= 'z') + lowCnt++; + else if (pwd.charAt(i) >= 'A' && pwd.charAt(i) <= 'Z') + upCnt++; + } + if (numCnt >= 1 && lowCnt >= 1 && upCnt >= 1) + return true; + else throw new PasswordException(PASSWORD_SECURITY_ERROR); + } else throw new PasswordException(PASSWORD_SECURITY_ERROR); + } +} diff --git a/src/jdbc.properties b/src/jdbc.properties new file mode 100644 index 0000000..b333f79 --- /dev/null +++ b/src/jdbc.properties @@ -0,0 +1,4 @@ +user=root +password=zyx007 +url=jdbc:mysql://localhost:3306/test?characterEncoding=utf8&useSSL=false&serverTimezone=GMT%2B8&rewriteBatchedStatements=true +driverClass=com.mysql.cj.jdbc.Driver \ No newline at end of file diff --git a/work2.iml b/work2.iml new file mode 100644 index 0000000..4ec8d60 --- /dev/null +++ b/work2.iml @@ -0,0 +1,23 @@ + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file