CSFramework.EF 数据库框架 | 支持达梦数据库|C/S开发框架

            DatabaseEngine.Register("CSFramework.EF.TestModels");//注册程序集dll，加载实体类
            DatabaseEngine.ModelBuilders.Clear();
            DatabaseEngine.ContextOptionsBuilders.Clear();

            //数据库引擎注册 ModelBuilder
            DatabaseEngine.RegisterModelBuilder((builder) =>
            {
                //for test
                //builder.Entity<tb_PO>().Property(p => p.Amount).HasPrecision(18, 4);//设置小数位                
            });

            //数据库引擎注册 ContextOptionsBuilder
            DatabaseEngine.RegisterContextOptionsBuilder((builder) =>
            {
                //for test
                var value = builder.Options.IsFrozen;
            });

            var connStr = "Server=localhost;Port=5236;User Id=SYSDBA;Password=12345654321;";
            var schema = "CSFramework_WebAPI_V3";
            var db = DatabaseFactory.GetDatabase(DatabaseType.DaMeng, connStr, schema);
            ShowResult("达梦服务器时间" + db.GetServerTime());

            //读取用户表数据
            var list = db.GetQueryable<Api_User>().ToList();
            ShowResult("Api_User记录：" + list.Count);

            var config = new DatabaseConfig
            {
                ConnectionString = connStr,
                EntityTypes = DatabaseEngine.GetEntityTypes(),
                Schema = DatabaseSchema.CSFRAMEWORK_WEBAPI_V3_LOG,//CSFramework_WebAPI_V3_Log
                DatabaseType = DatabaseType.DaMeng,
            };

            var db11 = DatabaseFactory.GetDatabase(config);
            ShowResult("达梦服务器时间" + db11.GetServerTime());

            //读取日志数据
            var listLog = db11.GetQueryable<sys_Log_ApiVistior>().ToList();
            ShowResult("sys_Log_ApiVistior记录：" + listLog.Count);

            var config = new DatabaseConfig
            {
                ConnectionString = connStr,
                EntityTypes = DatabaseEngine.GetEntityTypes(),
                Schema = DatabaseSchema.CSFRAMEWORK_WEBAPI_V3_LOG,//CSFramework_WebAPI_V3_Log
                DatabaseType = DatabaseType.DaMeng,
            };

            var dbContext = new DaMengDbContext(new DbContextOptions<DaMengDbContext>(), config);

            //测试查询用户表
            var q1 = dbContext.GetQueryable<Api_User>();
            var user = q1.FirstOrDefault();
            ShowResult(user.Account + user.UserName);