node.js - ExpressJS 路由将参数保存到 Store.js

Question

所以我得到了具有以下两个功能的 Store.js:

select: function(type, id) {
        var list = memory[type];
        id = parseInt(id);
        list =  (list == undefined || list.length === 0)? undefined: list; // prevent []
        if (list != undefined && list.length > 0 && !isNaN(id)) {
            list = list.filter(function(element) {
                return element.id === id;
            });
            list =  (list.length === 0)? undefined: list[0]; // only return the 1 found element; prevent empty []
        }
        return getDeepObjectCopy(list); // may contain undefined, object or array;
    },


insert: function(type, element) {
    checkElement(element);
    if (element.id !== undefined) {
        throw new Error("element already has an .id value, but should not on insert!",e);
    }
    element.id = globalCounter();
    memory[type] = memory[type] || [];
    memory[type].push(getDeepObjectCopy(element));
    return element.id;
},

在我的 Videos.js 中我得到了这条路线。我如何将数据发布到此商店以及如何取回数据？

videos.route('/')
    .get(function(req, res, next) {
        store.select(req)
        next();
    })
    .post(function(req,res,next) {
        store.insert(/json/ , {
            "title": req.param.name,
        })
        next();
    });

Answer 1

编辑

我的回答有点不对劲。

验证请求和发送响应的方式有点奇怪。

您的代码应该看起来更像这样:

videos.route('/')
    .get(function(req, res, next) {
        if(!req.accepts('json')) {
            res.status(406).send('response of application/json only supported, please accept this');
        }
        res.send(getVideos());
    })
    .post(function(req,res,next) {
        if(!( /application\/json/.test(req.get('Content-Type')))) {
            res.status(415).send('wrong Content-Type');  // user has SEND the wrong type
            return;
        }

        const item = store.insert(/json/ , {
            "title": req.body.name,
        })
        res.send(item);
    });



insert: function(type, element) {
    checkElement(element);
    if (element.id !== undefined) {
        throw new Error("element already has an .id value, but should not on insert!",e);
    }
    element.id = globalCounter();
    memory[type] = memory[type] || [];
    return memory[type];
}

内容的验证可以进入中间件函数，而不是直接进入路由器 Controller 回调。但这段代码可以帮助您了解如何处理请求。

希望这有帮助