在Backbone中访问父类

Question

我需要initialize从继承的MyModel类中调用父类的方法,而不是像我今天那样完全覆盖它.

我怎么能这样做？

这是我的代码现在看起来的样子:

BaseModel = Backbone.Model.extend({
    initialize: function(attributes, options) {
        // Do parent stuff stuff
    }
});

MyModel = BaseModel.extend({
    initialize: function() {
        // Invoke BaseModel.initialize();
        // Continue doing specific stuff for this child-class.
    },
});

Answer 1

尝试

MyModel = BaseModel.extend({
    initialize: function() {
        BaseModel.prototype.initialize.apply(this, arguments);
        // Continue doing specific stuff for this child-class.
    },
});

Answer 2

MyModel = BaseModel.extend({
    initialize: function() {
        MyModel.__super__.initialize.apply(this, arguments);
        // Continue doing specific stuff for this child-class.
    },
});

Answer 3

当我试图在我的模型中继承时,这对我有用:

MyModel.prototype.initialize.call(this, options);

参考http://documentcloud.github.com/backbone/#Model-extend

谢谢.

Answer 4

我想是的

MyModel = BaseModel.extend({
    initialize: function() {
        this.constructor.__super__.initialize.call(this);
        // Continue doing specific stuff for this child-class.
    },
});