backbone.js - Backbone - 模型上的部分获取

Question

我相信现在可以只将客户端模型的一部分保存到服务器，但是是否可以只获取其中的一部分？

有什么比：

var sectionName = "overview";
model.fetch({ data: $.param({ section: sectionName}) });

理想情况下，我宁愿声明要更新的模型的特定属性。

Answer 1

As far as I know, there is no backbone specific way to do exactly what you want exactly as you describe it, but if your model has group-able properties like:

bobTheUser = {
    posts: [
        {
            id:1,
            content: "This is Bob's first post!"
        }, {
            id:2,
            content: "Wow! Another stunner!"
        }
    ],
    friendIds: [1729, 3301],
    salesforce: {oh: "no! SOAP!!!"}
}

You can pass fetch optional parameters to let your api know that you just want Bob's posts and friendIds, but not his salesforce information.

I think this type of solution is about as close as you'll get to what you asked for, but I've been wrong before!