admin 管理员组

文章数量: 1184232


2024年1月11日发(作者:广告联盟源码程序系统)

60 PreparedStatement preparedStatement = eStatement(sql); 61 ing(1, product_name); 62 ble(2, cutoff); 63 ble(3, cost_price); 64 (4, id); 65 eUpdate(); 66 (); 67 (); 68 } catch (ClassNotFoundException e) { 69 tackTrace(); 70 } catch (SQLException e) { 71 tackTrace(); 72 } 73 } 74

75 //查询产品: 76 public Product select(int id) { 77 Product product = new Product(); 78 try { 79 e(""); 80 Connection connection = nection("jdbc:mysql://localhost:3306/station_online", "root", "admin"); 81 String sql = "SELECT id,product_name,sale_price FROM product WHERE id=?"; 82 PreparedStatement preparedStatement = eStatement(sql); 83 (1,id); 84 ResultSet resultSet = eQuery(); 85 while (()){ 86 int id1 = ("id"); 87 String product_name = ing("product_name"); 88 double sale_price = ble("sale_price"); 89 (id1); 90 ductName(product_name); 91 ePrice(sale_price); 92 } 93 (); 94 (); 95 (); 96 } catch (Exception e) { 97 tackTrace(); 98

99 }100 return product;101 }102 }View Code


本文标签: 源码 广告 查询 产品 系统