- 精简版的Dapper封装操作类：SqlDapperEasyUtil:
```csharp
///
/// 基于Dapper的数据操作类封装的工具类(简易版)
/// Author：左文俊
/// Date：2019/6/28
///
public class SqlDapperEasyUtil : IDbAccesser
{
private readonly string dbConnectionString = null;
private const string dbProviderName = "System.Data.SqlClient";
private IDbConnection dbConnection = null;
private bool useDbTransaction = false;
private IDbTransaction dbTransaction = null;
static SqlDapperEasyUtil()
{
DbProviderFactories.RegisterFactory(dbProviderName, SqlClientFactory.Instance);//.NET CORE需先提前注册
}