如何在Sails.js控制器中实现类似ASP.NET GetEvents接口的JSON返回功能

Got it, let's translate that ASP.NET MVC controller action into a working Sails.js controller method. Here's how you'd replicate the functionality step by step:

First, make sure you have your Event model set up in api/models/Event.js (this is the Sails equivalent of your EF Event entity, mapped to your database table). Then, open your controller file (e.g., api/controllers/EventController.js) and add this method:

module.exports = {
  getEvents: async function(req, res) {
    try {
      // Query events and sort by StartAt (adjust field name if your model uses camelCase)
      const events = await Event.find()
        .sort('startAt ASC'); // Use 'StartAt ASC' if your model keeps the C#-style camelCase field name

      // Return the sorted events as JSON
      return res.json(events);
    } catch (err) {
      // Handle database errors gracefully
      return res.serverError(err);
    }
  }
};

How this matches your original C# code: #

• Event.find() replaces dc.Events: Sails automatically registers your models globally once defined, so you don't need to manually create a database context like with EF's MyDatabaseEntities.
• .sort('startAt ASC') is the equivalent of OrderBy(a => a.StartAt): Just make sure the field name matches whatever you've defined in your Sails model (most Sails apps use snake_case like start_at, but adjust to match your setup).
• await gives you the sorted list directly, just like .ToList() does in EF.
• res.json(events) sends the JSON response: Unlike ASP.NET MVC, Sails allows GET requests for JSON by default, so you don't need an equivalent to JsonRequestBehavior.AllowGet.
• The try/catch block adds error handling, which is a helpful addition to make your app more resilient (your original C# code didn't include this, but it's good practice in Node.js/Sails).

内容的提问来源于stack exchange，提问作者Neeraj Bansal