在asp.net-core-2.1 ControllerBase中没有Json(Object)方法。但是Controller确实如此。
因此，要么将当前控制器重构为 Controller
public class GraficResourcesApiController : Controller {
//...
}
可以访问该Controller.Json方法，或者您可以JsonResult在操作中初始化一个新的自己
return new JsonResult(rows);
这基本上是该方法在内部执行的操作 Controller
/// <summary>
/// Creates a <see cref="JsonResult"/> object that serializes the specified <paramref name="data"/> object
/// to JSON.
/// </summary>
/// <param name="data">The object to serialize.</param>
/// <returns>The created <see cref="JsonResult"/> that serializes the specified <paramref name="data"/>
/// to JSON format for the response.</returns>
[NonAction]
public virtual JsonResult Json(object data)
{
return new JsonResult(data);
}
/// <summary>
/// Creates a <see cref="JsonResult"/> object that serializes the specified <paramref name="data"/> object
/// to JSON.
/// </summary>
/// <param name="data">The object to serialize.</param>
/// <param name="serializerSettings">The <see cref="JsonSerializerSettings"/> to be used by
/// the formatter.</param>
/// <returns>The created <see cref="JsonResult"/> that serializes the specified <paramref name="data"/>
/// as JSON format for the response.</returns>
/// <remarks>Callers should cache an instance of <see cref="JsonSerializerSettings"/> to avoid
/// recreating cached data with each call.</remarks>
[NonAction]
public virtual JsonResult Json(object data, JsonSerializerSettings serializerSettings)
{
if (serializerSettings == null)
{
throw new ArgumentNullException(nameof(serializerSettings));
}
return new JsonResult(data, serializerSettings);
}
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