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#	src/DML.java
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Your Name 2 months ago
parent 0b1e73aa52 714217ef89
commit 197eed0a57
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//import java.sql.*; import java.sql.*;
//
//import org.junit.Test; import org.junit.Test;
//
//import java.sql.*; import java.sql.*;
// import java.time.LocalDateTime;
//import org.junit.Test;
// import org.junit.Test;
//public class DML {
// import java.util.Random;
// // 使用相对路径
// private static final String URL = "jdbc:sqlite:db/dbuml.db3"; public class DML {
//
// // 使用相对路径
// private static final String URL = "jdbc:sqlite:db/dbuml.db3";
// @Test
// public void createInboundTable() {
// try (Connection conn = DriverManager.getConnection(URL);
// Statement stmt = conn.createStatement()) { @Test
// public void createInboundTable() {
// try (Connection conn = DriverManager.getConnection(URL);
// String sql = "CREATE TABLE IF NOT EXISTS warehouse (" + Statement stmt = conn.createStatement()) {
// "id TEXT PRIMARY KEY NOT NULL," +
// "goods_id TEXT NOT NULL," +
// "quantity INTEGER NOT NULL," + String sql = "CREATE TABLE IF NOT EXISTS warehouse (" +
// "supplier TEXT," + "id TEXT PRIMARY KEY NOT NULL," +
// "inbound_time TIMESTAMP," + "goods_id TEXT NOT NULL," +
// "operator TEXT," + "quantity INTEGER NOT NULL," +
// "remark TEXT" + "supplier TEXT," +
// ");"; "inbound_time TIMESTAMP," +
// "operator TEXT," +
// stmt.execute(sql); "remark TEXT" +
// System.out.println("仓库数据表创建成功"); ");";
//
// } catch (Exception e) { stmt.execute(sql);
// e.printStackTrace(); System.out.println("仓库数据表创建成功");
// }
// } } catch (Exception e) {
// e.printStackTrace();
// }
// }
// @Test
// public void createLogTable() {
// try (Connection conn = DriverManager.getConnection(URL);
// Statement stmt = conn.createStatement()) { @Test
// public void createLogTable() {
// // 创建操作日志数据表 try (Connection conn = DriverManager.getConnection(URL);
// String sql = "CREATE TABLE IF NOT EXISTS operation_logs (" + Statement stmt = conn.createStatement()) {
// "id TEXT PRIMARY KEY NOT NULL," + //日志id
// "operation_type TEXT NOT NULL," + // 操作类型（入库、出库、修改等） // 创建操作日志数据表
// "operation_target TEXT NOT NULL," + // 操作对象（货物ID或名称） String sql = "CREATE TABLE IF NOT EXISTS operation_logs (" +
// "operator TEXT," + // 操作人 "id TEXT PRIMARY KEY NOT NULL," + //日志id
// "operation_time TIMESTAMP," + // 操作时间 "operation_type TEXT NOT NULL," + // 操作类型（入库、出库、修改等）
// "details TEXT" + // 操作详情 "operation_target TEXT NOT NULL," + // 操作对象（货物ID或名称）
// ");"; "operator TEXT," + // 操作人
// "operation_time TIMESTAMP," + // 操作时间
// stmt.execute(sql); "details TEXT" + // 操作详情
// System.out.println("日志数据表创建成功"); ");";
//
// } catch (Exception e) { stmt.execute(sql);
// e.printStackTrace(); System.out.println("日志数据表创建成功");
// }
// } } catch (Exception e) {
// e.printStackTrace();
// }
// }
// @Test
// public void clearTable() {
// try (Connection conn = DriverManager.getConnection(URL);
// Statement stmt = conn.createStatement()) { @Test
// public void clearTable() {
// String sql = "DELETE FROM warehouse"; try (Connection conn = DriverManager.getConnection(URL);
// int result = stmt.executeUpdate(sql); Statement stmt = conn.createStatement()) {
// System.out.println("已清空数据表，删除了 " + result + " 条记录");
// String sql = "DELETE FROM warehouse";
// } catch (SQLException e) { int result = stmt.executeUpdate(sql);
// e.printStackTrace(); System.out.println("已清空数据表，删除了 " + result + " 条记录");
// }
// } //清空指定数据表数据 } catch (SQLException e) {
// @Test e.printStackTrace();
// public void dropTable() { }
// try (Connection conn = DriverManager.getConnection(URL); } //清空指定数据表数
// Statement stmt = conn.createStatement()) { @Test
// public void dropTable() {
// // 删除表的SQL 语句 try (Connection conn = DriverManager.getConnection(URL);
// String sql = "DROP TABLE IF EXISTS inbound_records"; Statement stmt = conn.createStatement()) {
//
// // 执行 SQL 语句 // 删除表的SQL 语句
// stmt.execute(sql); String sql = "DROP TABLE IF EXISTS inbound_records";
// System.out.println(" 表删除成功");
// // 执行 SQL 语句
// } catch (SQLException e) { stmt.execute(sql);
// e.printStackTrace(); System.out.println(" 表删除成功");
// }
// } //删除指定数据表 } catch (SQLException e) {
// e.printStackTrace();
// @Test }
// public void showCurrentStock() { } //删除指定数据表
// try (Connection conn = DriverManager.getConnection(URL);
// Statement stmt = conn.createStatement()) { @Test
// public void showCurrentStock() {
// // 查询每个商品的当前库存（入库减去出库） try (Connection conn = DriverManager.getConnection(URL);
// String sql = "SELECT goods_id, SUM(quantity) as current_stock " + Statement stmt = conn.createStatement()) {
// "FROM warehouse " +
// "GROUP BY goods_id"; // 查询每个商品的当前库存（入库减去出库）
// ResultSet rs = stmt.executeQuery(sql); String sql = "SELECT goods_id, SUM(quantity) as current_stock " +
// "FROM warehouse " +
// // 打印表头 "GROUP BY goods_id";
// System.out.println("===================== 当前库存状态 ====================="); ResultSet rs = stmt.executeQuery(sql);
// System.out.printf("%-20s %-15s%n", "货物名称", "当前库存");
// System.out.println("==================================================="); // 打印表头
// System.out.println("===================== 当前库存状态 =====================");
// // 打印数据 System.out.printf("%-20s %-15s%n", "货物名称", "当前库存");
// while (rs.next()) { System.out.println("===================================================");
// System.out.printf("%-20s %-15d%n",
// rs.getString("goods_id"), // 打印数据
// rs.getInt("current_stock") while (rs.next()) {
// ); System.out.printf("%-20s %-15d%n",
// } rs.getString("goods_id"),
// System.out.println("==================================================="); rs.getInt("current_stock")
// );
// } catch (SQLException e) { }
// e.printStackTrace(); System.out.println("===================================================");
// }
// } } catch (SQLException e) {
// e.printStackTrace();
// @Test }
// public void showAllTransactions() { }
// try (Connection conn = DriverManager.getConnection(URL);
// Statement stmt = conn.createStatement()) { @Test
// public void showAllTransactions() {
// // 查询所有出入库记录 try (Connection conn = DriverManager.getConnection(URL);
// String sql = "SELECT *, " + Statement stmt = conn.createStatement()) {
// "CASE WHEN quantity > 0 THEN '入库' ELSE '出库' END as type " +
// "FROM warehouse " + // 查询所有出入库记录
// "ORDER BY inbound_time DESC"; String sql = "SELECT *, " +
// ResultSet rs = stmt.executeQuery(sql); "CASE WHEN quantity > 0 THEN '入库' ELSE '出库' END as type " +
// "FROM warehouse " +
// // 打印表头 "ORDER BY inbound_time DESC";
// System.out.println("===================== 出入库记录 ====================="); ResultSet rs = stmt.executeQuery(sql);
// System.out.printf("%-15s %-15s %-8s %-8s %-15s %-25s%n",
// "单号", "货物名称", "数量", "类型", "供应商", "时间"); // 打印表头
// System.out.println("==================================================="); System.out.println("===================== 出入库记录 =====================");
// System.out.printf("%-15s %-15s %-8s %-8s %-15s %-25s%n",
// // 打印数据 "单号", "货物名称", "数量", "类型", "供应商", "时间");
// while (rs.next()) { System.out.println("===================================================");
// System.out.printf("%-15s %-15s %-8d %-8s %-15s %-25s%n",
// rs.getString("id"), // 打印数据
// rs.getString("goods_id"), while (rs.next()) {
// Math.abs(rs.getInt("quantity")), System.out.printf("%-15s %-15s %-8d %-8s %-15s %-25s%n",
// rs.getString("type"), rs.getString("id"),
// rs.getString("supplier"), rs.getString("goods_id"),
// rs.getString("inbound_time") Math.abs(rs.getInt("quantity")),
// ); rs.getString("type"),
// } rs.getString("supplier"),
// System.out.println("==================================================="); rs.getString("inbound_time")
// );
// } catch (SQLException e) { }
// e.printStackTrace(); System.out.println("===================================================");
// }
// } } catch (SQLException e) {
// e.printStackTrace();
// @Test }
// public void deleteOutboundRecord() { }
// try (Connection conn = DriverManager.getConnection(URL);
// Statement stmt = conn.createStatement()) { @Test
// public void deleteOutboundRecord() {
// // 删除出库记录的SQL语句 try (Connection conn = DriverManager.getConnection(URL);
// String sql = "DELETE FROM warehouse WHERE id = ?"; Statement stmt = conn.createStatement()) {
//
// try (PreparedStatement pstmt = conn.prepareStatement(sql)) { // 删除出库记录的SQL语句
// // 这里可以设置要删除的记录ID String sql = "DELETE FROM warehouse WHERE id = ?";
// pstmt.setString(1, "要删除的记录ID");
// int result = pstmt.executeUpdate(); try (PreparedStatement pstmt = conn.prepareStatement(sql)) {
// // 这里可以设置要删除的记录ID
// if (result > 0) { pstmt.setString(1, "要删除的记录ID");
// System.out.println("出库记录删除成功"); int result = pstmt.executeUpdate();
// } else {
// System.out.println("未找到要删除的记录"); if (result > 0) {
// } System.out.println("出库记录删除成功");
// } } else {
// System.out.println("未找到要删除的记录");
// } catch (SQLException e) { }
// e.printStackTrace(); }
// System.out.println("删除出库记录失败：" + e.getMessage());
// } } catch (SQLException e) {
// } e.printStackTrace();
// System.out.println("删除出库记录失败：" + e.getMessage());
// @Test }
// public void createOperationLogsTable() { }
// try (Connection conn = DriverManager.getConnection(URL);
// Statement stmt = conn.createStatement()) { @Test
// public void createOperationLogsTable() {
// // 删除已存在的表 try (Connection conn = DriverManager.getConnection(URL);
// stmt.execute("DROP TABLE IF EXISTS operation_logs"); Statement stmt = conn.createStatement()) {
//
// // 创建新表 // 删除已存在的表
// String sql = "CREATE TABLE operation_logs (" + stmt.execute("DROP TABLE IF EXISTS operation_logs");
// "id TEXT PRIMARY KEY NOT NULL," +
// "operation_type TEXT NOT NULL," + // 创建新表
// "operation_target TEXT NOT NULL," + String sql = "CREATE TABLE operation_logs (" +
// "operator TEXT NOT NULL," + "id TEXT PRIMARY KEY NOT NULL," +
// "operation_time TEXT NOT NULL," + "operation_type TEXT NOT NULL," +
// "details TEXT" + "operation_target TEXT NOT NULL," +
// ")"; "operator TEXT NOT NULL," +
// "operation_time TEXT NOT NULL," +
// stmt.execute(sql); "details TEXT" +
// System.out.println("操作日志表创建成功"); ")";
//
// } catch (SQLException e) { stmt.execute(sql);
// e.printStackTrace(); System.out.println("操作日志表创建成功");
// }
// } } catch (SQLException e) {
//} e.printStackTrace();
}
}
}
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