public void update(purchaseList list) { try { Connection con = initDB(); // 创建SQL命令对象 Statement stmt = con.createStatement(); // 创建SQL命令字符串 String query = "update purchaseList set purch_date='" + list.getPurch_date() + "',purch_totalPrice='" + list.getPurch_totalPrice() + "',unitId='" + list.getUnit_id() + "',acc_id='" + list.getAcc_id() + "' where purch_id ='" + list.getPurch_id() + "'"; // 执行SQL语句 stmt.execute(query); // 关闭命令对象连接 stmt.close(); // 关闭数据库连接 con.close(); } catch (Exception e) { System.out.println("更新数据失败!"); e.printStackTrace(); } }
// 增加进货单 public void add(purchaseList list) { try { Connection con = initDB(); Statement stmt = con.createStatement(); String query = "insert into purchaseList(purch_id,purch_date,purch_totalPrice,unitId,acc_id) values ('" + list.getPurch_id() + "','" + list.getPurch_date() + "','" + list.getPurch_totalPrice() + "','" + list.getUnit_id() + "','" + list.getAcc_id() + "')"; stmt.execute(query); // 关闭命令对象连接 stmt.close(); // 关闭数据库连接 con.close(); } catch (SQLException e) { System.out.println("添加数据失败!"); e.printStackTrace(); } }