class AAA {
            public int ID { get; set; }
            public string Name { get; set; }
        }
        class BBB {
            public int id;
            public string name;
        }
        void Test() {
            AAA aaa = new AAA() {
                ID = 1,
                Name = "张三",
            };
            var sql1 = "insert into AAA (ID,Name) values (?ID,?Name);";
            using (IDbConnection conn = new MySqlConnection(_connString)) {
                var rs1 = conn.Execute(sql1, aaa);
            }
            BBB bbb = new BBB() { //因为种种原因，数据只使用字段赋值
                id = 1,
                name = "张三",
            };
            var sql2 = "insert into BBB (id,name) values (?id,?name);";
            using (IDbConnection conn = new MySqlConnection(_connString)) {
                //这里会报错  Parameter '?id' must be defined，因为dapper时根据属性进行解析的，而BBB里面只有字段
                //var rs1 = conn.Execute(sql2, aaa);
                var rs1 = conn.Execute(sql2, new { bbb.id, bbb.name }); //要么改成属性，要么使用匿名类传递
            }
        }