完善框架，新增两个close方法；

alielie

2025-03-17 c401a2f2fd1a509cdeb33e850bb5c2827074af48

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using System.Collections.ObjectModel;
using System.Data;
using System.IO;
using HMI.Core.Entity;
using HMI.Core.Util;
using HMI.ParameterManage.Entity;
 
namespace HMI.ParameterManage.Model
{
 
    public class SqlModel : NotifyBase
    {
        public SqlModel(string baseFolder)
        {
            string dbpath = Path.Combine(baseFolder, "ParameterManage.db");
            if (!File.Exists(dbpath))
            {
                SqliteHelper.CreateDatabase(dbpath);
            }
            SqliteHelper = new SqliteHelper(dbpath);
            SqliteHelper.ExecuteSql(@"CREATE TABLE IF NOT EXISTS product (
                    id INTEGER PRIMARY KEY AUTOINCREMENT,
                    name TEXT NOT NULL,
                    isMaster INTEGER,
                    parentId INTEGER,
                    UNIQUE(name)
                    );
CREATE TABLE IF NOT EXISTS parameter (
                    id INTEGER PRIMARY KEY AUTOINCREMENT,
                    name TEXT NOT NULL,
                    value TEXT,
                    unit TEXT,
                    description TEXT,
                    pGroup TEXT,
                    productName TEXT,
                    UNIQUE(productName,name)
                    );");
        }
 
        public SqliteHelper SqliteHelper { get; private set; }
 
        private ObservableCollection<ProductData> products;
 
        public ObservableCollection<ProductData> Products
        {
            get { return products; }
            set { Set(ref products, value); }
        }
 
        private ObservableCollection<ParameterData> parameters;
 
        public ObservableCollection<ParameterData> Parameters
        {
            get { return parameters; }
            set { Set(ref parameters, value); }
        }
 
        private ProductData selectedProduct;
 
        public ProductData SelectedProduct
        {
            get { return selectedProduct; }
            set
            {
                Set(ref selectedProduct, value);
                LoadParameters();
            }
        }
 
        public void LoadProducts()
        {
            DataTable dt = SqliteHelper.GetDataTable("SELECT * FROM product ORDER BY id;");
            ObservableCollection<ProductData> products = new ObservableCollection<ProductData>();
 
            if (dt != null)
            {
                foreach (DataRow dr in dt.Rows)
                {
                    var p = new ProductData
                    {
                        Id = dr["id"].ToString(),
                        Name = dr["name"].ToString(),
                        IsMaster = dr["isMaster"].ToString() == "1",
                        ParentId = dr["parentId"].ToString(),
                    };
                    products.Add(p);
                }
            }
            Products = products;
        }
 
        public void LoadParameters()
        {
 
            ObservableCollection<ParameterData> parameters = new ObservableCollection<ParameterData>();
            if (SelectedProduct != null)
            {
 
                DataTable dt = SqliteHelper.GetDataTable($"SELECT * FROM parameter WHERE productName='{SelectedProduct.Name}' ORDER BY id;");
                if (dt != null)
                {
                    foreach (DataRow dr in dt.Rows)
                    {
                        var p = new ParameterData
                        {
                            Id = dr["id"].ToString(),
                            Name = dr["name"].ToString(),
                            Value = dr["value"].ToString(),
                            Unit = dr["unit"].ToString(),
                            Description = dr["description"].ToString(),
                            PGroup = dr["pGroup"].ToString(),
                            ProductName = dr["productName"].ToString(),
                        };
                        parameters.Add(p);
                    }
                }
 
            }
            Parameters = parameters;
        }
    }
}