在LoopBack中扩展CRUD方法 [英] extend the CRUD method in LoopBack

问题描述

我想知道如何扩展LoopBack创建的CRUD方法.

I would like to know how to extend CRUD methods created by LoopBack.

我有一个属性为public_key的模型.我想为此模型的POST api端点构建两个自定义行为.

I have a model with an attribute public_key. I would like to build two custom behaviors for the POST api endpoint for this model.

1. 生成公共密钥并设置值
2. 生成私钥并将其作为结果发送回(使用SSL)

如何扩展默认方法来实现这些行为?

How can I extend the default method to implement these behaviors?

推荐答案

我能够通过在server/boot下创建一个javascript文件来覆盖默认方法.

I was able to override the default method by creating a javascript file under server/boot.

module.exports = function(app) {
  var MyModel = app.models.MyModel;
  var create = MyModel.create;

  // Overrides POST '/api/MyModel' endpoint
  MyModel.create = function(data, done) {
    // Do custom things

    create.call(MyModel, data, done);
  };
};

但是我无法修改返回值.

However I was not able to modify the return value.

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