/// <summary> /// Oracle Help 封装使用 /// </summary> /// <typeparam name="T"></typeparam> public class OracleSQLDapperHelper<T> where T : class { /// <summary> /// 数据库连接字符串 /// </summary> /* private static readonly string connectionString = ConfigurationManager.ConnectionStrings["OracleConn"].ConnectionString;*/ private static readonly string connectionString = @"Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP) (HOST=192.168.0.139)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=m4mestdb))) ;User ID=yms;Password=yms;"; /// <summary> /// 查询列表 /// </summary> /// <param name="sql">查询的sql</param> /// <param name="param">替换参数</param> /// <returns></returns> public static List<T> Query(string sql, object param) { using (IDbConnection con = new OracleConnection(connectionString)) { return con.Query<T>(sql, param).ToList(); } } /// <summary> /// 查询第一个数据 /// </summary> /// <param name="sql"></param> /// <param name="param"></param> /// <returns></returns> public static T QueryFirst(string sql, object param) { using (IDbConnection con = new OracleConnection(connectionString)) { return con.QueryFirst<T>(sql, param); } } /// <summary> /// 查询第一个数据没有返回默认值 /// </summary> /// <param name="sql"></param> /// <param name="param"></param> /// <returns></returns> public static T QueryFirstOrDefault(string sql, object param) { using (IDbConnection con = new OracleConnection(connectionString)) { return con.QueryFirstOrDefault<T>(sql, param); } } /// <summary> /// 查询单条数据 /// </summary> /// <param name="sql"></param> /// <param name="param"></param> /// <returns></returns> public static T QuerySingle(string sql, object param) { using (IDbConnection con = new OracleConnection(connectionString)) { return con.QuerySingle<T>(sql, param); } } /// <summary> /// 查询单条数据没有返回默认值 /// </summary> /// <param name="sql"></param> /// <param name="param"></param> /// <returns></returns> public static T QuerySingleOrDefault(string sql, object param) { using (IDbConnection con = new OracleConnection(connectionString)) { return con.QuerySingleOrDefault<T>(sql, param); } } /// <summary> /// 增删改 /// </summary> /// <param name="sql"></param> /// <param name="param"></param> /// <returns></returns> public static int Execute(string sql, object param) { using (IDbConnection con = new OracleConnection(connectionString)) { return con.Execute(sql, param); } } /// <summary> /// Reader获取数据 /// </summary> /// <param name="sql"></param> /// <param name="param"></param> /// <returns></returns> public static IDataReader ExecuteReader(string sql, object param) { using (IDbConnection con = new OracleConnection(connectionString)) { return con.ExecuteReader(sql, param); } } /// <summary> /// Scalar获取数据 /// </summary> /// <param name="sql"></param> /// <param name="param"></param> /// <returns></returns> public static object ExecuteScalar(string sql, object param) { using (IDbConnection con = new OracleConnection(connectionString)) { return con.ExecuteScalar(sql, param); } } /// <summary> /// Scalar获取数据 /// </summary> /// <param name="sql"></param> /// <param name="param"></param> /// <returns></returns> public static T ExecuteScalarForT(string sql, object param) { using (IDbConnection con = new OracleConnection(connectionString)) { return con.ExecuteScalar<T>(sql, param); } } /// <summary> /// 带参数的存储过程 /// </summary> /// <param name="sql"></param> /// <param name="param"></param> /// <returns></returns> public static List<T> ExecutePro(string proc, object param) { using (IDbConnection con = new OracleConnection(connectionString)) { List<T> list = con.Query<T>(proc, param, null, true, null, CommandType.StoredProcedure).ToList(); return list; } } /// <summary> /// 事务1 - 全SQL /// </summary> /// <param name="sqlarr">多条SQL</param> /// <param name="param">param</param> /// <returns></returns> public static int ExecuteTransaction(string[] sqlarr) { using (IDbConnection con = new OracleConnection(connectionString)) { using (var transaction = con.BeginTransaction()) { try { int result = 0; foreach (var sql in sqlarr) { result += con.Execute(sql, null, transaction); } transaction.Commit(); return result; } catch (Exception ex) { transaction.Rollback(); return 0; } } } } /// <summary> /// 事务2 - 声明参数 ///demo: ///dic.Add("Insert into Users values (@UserName, @Email, @Address)", /// new { UserName = "jack", Email = "[email protected]", Address = "上海" }); /// </summary> /// <param name="Key">多条SQL</param> /// <param name="Value">param</param> /// <returns></returns> public static int ExecuteTransaction(Dictionary<string, object> dic) { using (IDbConnection con = new OracleConnection(connectionString)) { using (var transaction = con.BeginTransaction()) { try { int result = 0; foreach (var sql in dic) { result += con.Execute(sql.Key, sql.Value, transaction); } transaction.Commit(); return result; } catch (Exception ex) { transaction.Rollback(); return 0; } } } } }
标签:封装,using,param,return,static,sql,OracleSQLHelper,Dapper,con From: https://www.cnblogs.com/LowKeyCXY/p/17431910.html