/// <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>());
}
}
