/// <summary>
/// 同一请求共用一个上下文
/// </summary>
/// <returns>DbContext</returns>
public static DbContext GetCurrentContext()
{
var db = CallContext.GetData("DbContent") as DbContext;
if (db == null)
{
db = new ModelDataContainer();
CallContext.SetData("DbContent", db);
}
return(db);
}