Wpf_AiSportsMicrospace/Wpf_AiSportsMicrospace/App.xaml.cs

using AiSportsMicrospaceDB.DBContext;
using Microsoft.Data.Sqlite;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.ML.Runtime;
using System.Configuration;
using System.Data;
using System.IO;
using System.Windows;
using Wpf_AiSportsMicrospace.Views;
using Yztob.AiSports.Common;
using Yztob.AiSports.Common.Implement;


namespace Wpf_AiSportsMicrospace;

/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App : Application
{
    public static Microsoft.Extensions.Hosting.IHost AppHost { get; private set; }

    protected override void OnStartup(StartupEventArgs e)
    {
        base.OnStartup(e);

#if DEBUG
        DebugTracker.Enabled = true;
        DebugTracker.Channels.Add(new DiagnosisDebugTrackChannel());
#endif

        AppHost = Host.CreateDefaultBuilder()
            .ConfigureAppConfiguration((context, config) =>
            {
                config.SetBasePath(Directory.GetCurrentDirectory());
                config.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true);
            })
            .ConfigureServices((context, services) =>
            {
                var connectionString = context.Configuration.GetConnectionString("DefaultConnection");
                services.AddDbContext<AppDbContext>(options =>
                    options.UseSqlite(connectionString));

                //services.AddSingleton<MainWindow>();
                services.AddSingleton<Main>();
            })
            .Build();

        AppHost.Start();

        using (var scope = AppHost.Services.CreateScope())
        {
            var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
            //db.Database.EnsureDeleted();  // 删除数据库和表
            db.Database.EnsureCreated();
            //db.Database.ExecuteSqlRaw("DROP TABLE [JumpLongPoints]");
            if (!db.SixGroupPoints.Any())
            {
                db.SixGroupPoints.Add(new AiSportsMicrospaceDB.Entities.SixGroupPoints
                {
                    Id = 1,
                    point1 = new AiSportsMicrospaceDB.Entities.Point { X = 0.21, Y = 0.88 },
                    point2 = new AiSportsMicrospaceDB.Entities.Point { X = 0.36, Y = 0.58 },
                    point3 = new AiSportsMicrospaceDB.Entities.Point { X = 0.50, Y = 0.88 },
                    point4 = new AiSportsMicrospaceDB.Entities.Point { X = 0.64, Y = 0.58 },
                    point5 = new AiSportsMicrospaceDB.Entities.Point { X = 0.78, Y = 0.88 },
                    point6 = new AiSportsMicrospaceDB.Entities.Point { X = 0.92, Y = 0.58 }
                });
                db.SaveChanges();
            }

            if (!CheckTableExists(db , "JumpLongPoints"))
            {
                var createTableSql = @"
                    CREATE TABLE IF NOT EXISTS JumpLongPoints (
                        Id INTEGER PRIMARY KEY,
                        TopPoint1_X TEXT NOT NULL,
                        TopPoint2_X TEXT NOT NULL,
                        TopPoint3_X TEXT NOT NULL,
                        BottomPoint1_X TEXT NOT NULL,
                        BottomPoint2_X TEXT NOT NULL,
                        BottomPoint3_X TEXT NOT NULL,
                        TopPoint1_Y TEXT NOT NULL,
                        TopPoint2_Y TEXT NOT NULL,
                        TopPoint3_Y TEXT NOT NULL,
                        BottomPoint1_Y TEXT NOT NULL,
                        BottomPoint2_Y TEXT NOT NULL,
                        BottomPoint3_Y TEXT NOT NULL
                    )";

                db.Database.ExecuteSqlRaw(createTableSql);
            }

            if (!db.JumpLongPoints.Any())
            {
                db.JumpLongPoints.Add(new AiSportsMicrospaceDB.Entities.JumpLongPoints
                {
                    Id = 1,
                    TopPoint1 = new AiSportsMicrospaceDB.Entities.Point { X = 245, Y = 741 },
                    TopPoint2 = new AiSportsMicrospaceDB.Entities.Point { X = 1498, Y = 730 },
                    TopPoint3 = new AiSportsMicrospaceDB.Entities.Point { X = 1689, Y = 724 },
                    BottomPoint1 = new AiSportsMicrospaceDB.Entities.Point { X = 191, Y = 918 },
                    BottomPoint3 = new AiSportsMicrospaceDB.Entities.Point { X = 1722, Y = 909 },
                });
                db.SaveChanges();
            }
            //var mainWindow = new MainWindow(db);
            //mainWindow.Show();
        }

        // 用 DI 创建窗口



        var mainWin = AppHost.Services.GetRequiredService<Main>();
        Current.MainWindow = mainWin;
        mainWin.Show();

        var newPage = new Home();
        mainWin.SwitchPage(newPage, true);
    }


    private bool CheckTableExists(AppDbContext dbContext ,  String name)
    {
        try
        {
            // 使用原始SQL检查表是否存在
            var sql = "SELECT count(*) FROM sqlite_master WHERE type='table' AND name=@name";
            var result = dbContext.Database.ExecuteSqlRaw(sql, new SqliteParameter("@name", name));
            return result > 0;
        }
        catch
        {
            return false;
        }
    }
}