/// <summary>
/// Make sure the EF context is unique in a thread.
/// </summary>
/// <returns></returns>
public static DbContext CreateDbContext()
{
DbContext dbContext = (DbContext)CallContext.GetData("dbContext");
if (dbContext == null)
{
dbContext = new DataModelContainer1();
CallContext.SetData("dbContext", dbContext);
}
return(dbContext);
}
/// <summary>
/// 帮我们返回当前线程内的数据库上下文，如果当前线程内没有上下文，那么创建一个上下文，并保证
/// 上线问实例在线程内部是唯一的
/// </summary>
/// <returns></returns>
public static DbContext GetCurrentDbContext()
{
var dbContext = CallContext.GetData("DbContext") as DbContext;
if (dbContext == null) //线程在数据槽里面没有此上下文
{
dbContext = new DataModelContainer1(); //创建一个EF上下文
CallContext.SetData("DbContext", dbContext);
}
return(dbContext);
}
