/// <summary> /// 批量添加 /// </summary> /// <param name="Model"></param> /// <returns></returns> public bool GDAddBatch <T>(List <T> ListModel) where T : new() { List <string> ListValue = new List <string>(); List <SqlParameter> ListObject = new List <SqlParameter>(); List <GDModel.SQLModel> ListParameter = null; int n = 0; int c = ListModel.Count; foreach (var item in ListModel) { SQLPropertyInfo PropertyInfos = new SQLPropertyInfo(); ListParameter = PropertyInfos.GDGetPropertys(item, BaseType, n); if (ListParameter == null || ListParameter.Count == 0) { return(false); } ListParameter = ListParameter.Where(w => !w.IsIncrease).ToList(); string[] valuestr = new string[ListParameter.Count]; for (int i = 0; i < valuestr.Length; i++) { valuestr[i] = ListParameter[i].ParameterName; ListObject.Add(ListParameter[i].Parameter as SqlParameter); } ListValue.Add($"({string.Join(",", valuestr)})"); n++; } return(BsExecute($"insert into {typeof(T).Name}({string.Join(",", ListParameter.Select(s => s.Field).ToList())}) values {string.Join(",", ListValue)}", c, ListObject.ToArray())); }
/// <summary> /// 根据Key删除 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="Model"></param> /// <returns></returns> public bool GDeleteByKey <T>(T Model) where T : new() { SQLPropertyInfo PropertyInfos = new SQLPropertyInfo(); List <GDModel.SQLModel> ListParameter = PropertyInfos.GDGetPropertys(Model, BaseType); var Keys = ListParameter.Where(w => w.IsKey).Select(s => new { Field = s.Field, Value = s.Value }).ToList().First(); return(BsExecute($"DELETE FROM {typeof(T).Name} WHERE {Keys.Field + "=" + Keys.Value.ToValStr()}")); }
/// <summary> /// 根据Key更新 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="Model"></param> /// <param name="Exp"></param> /// <returns></returns> public bool GDUpdateByKey <T>(T Model) where T : new() { SQLPropertyInfo PropertyInfos = new SQLPropertyInfo(); List <GDModel.SQLModel> ListParameter = PropertyInfos.GDGetPropertys(Model, BaseType); var Keys = ListParameter.Where(w => w.IsKey).Select(s => new { Field = s.Field, Value = s.Value }).ToList().First(); var GetColum = ListParameter.Where(w => !w.IsKey).Select(s => new { Field = (s.Field + "=" + s.ParameterName), Parameter = s.Parameter }).ToList(); return(BsExecute($"UPDATE {typeof(T).Name} SET {string.Join(",", GetColum.Select(s => s.Field).ToList())} where {Keys.Field + "=" + Keys.Value}", GetColum.Select(s => s.Parameter as SqlParameter).ToArray())); }
/// <summary> /// 更新操作 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="Model"></param> /// <param name="Exp"></param> /// <returns></returns> public bool GDUpdate <T>(T Model, Expression <Func <T, bool> > Exp = null) where T : new() { string Where = Exp.DealExpress(); Where = string.IsNullOrEmpty(Where) ? "" : (" and " + Where); SQLPropertyInfo PropertyInfos = new SQLPropertyInfo(); List <GDModel.SQLModel> ListParameter = PropertyInfos.GDGetPropertys(Model, BaseType); var GetColum = ListParameter.Where(w => !w.IsKey).Select(s => new { Field = (s.Field + "=" + s.ParameterName), Parameter = s.Parameter }).ToList(); return(BsExecute($"UPDATE {typeof(T).Name} SET {string.Join(",", GetColum.Select(s => s.Field).ToList())} where 1=1 {Where}", GetColum.Select(s => s.Parameter as SqlParameter).ToArray())); }
/// <summary> /// 新增 /// </summary> /// <typeparam name="T">实体</typeparam> /// <param name="Model">实体</param> /// <returns></returns> public bool GDAdd <T>(T Model) where T : new() { SQLPropertyInfo PropertyInfos = new SQLPropertyInfo(); List <GDModel.SQLModel> ListParameter = PropertyInfos.GDGetPropertys(Model, BaseType); if (ListParameter == null || ListParameter.Count == 0) { return(false); } var GetColum = ListParameter.Where(w => !w.IsIncrease).Select(s => new { s.Field, s.Parameter }).ToList(); return(BsExecute($"insert into {typeof(T).Name}({string.Join(",", GetColum.Select(s => s.Field).ToList())}) VALUES({string.Join(",", GetColum.Select(s => "@" + s.Field).ToList())})", GetColum.Select(s => s.Parameter as SqlParameter).ToArray())); }
/// <summary> /// 获取一条数据 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="Model"></param> /// <returns></returns> public T GDInfo <T>(T Model, Expression <Func <T, bool> > Exp = null) where T : new() { T t = new T(); string Where = Exp.DealExpress(); Where = string.IsNullOrEmpty(Where) ? "" : (" and " + Where); SQLPropertyInfo PropertyInfos = new SQLPropertyInfo(); List <GDModel.SQLModel> ListParameter = PropertyInfos.GDGetPropertys(Model, BaseType); DataRow dr = BsRows($"select * from {typeof(T).Name} where 1=1 {Where}"); if (dr == null) { return(t); } else { return(dr.ToModel <T>()); } }