首页 文章

Sails.js - 控制器问题

提问于
浏览
0

我正在开发一个控制器,使用以下代码(SoundCloudController.js)从SoundCloud的API解析JSON,以便检索一些数据 . 当我抬起应用程序,然后转到我创建的视图; “result.ejs”,它崩溃了 .

module.exports = {

    // Search for something
    // SoundCloud API reference:
    // https://developers.soundcloud.com/docs/api/reference#tracks
    result: function (req, res, next) {
        SoundCloud.find(function foundSounds(err, sounds) {
            if (err) return next(err);

            var http = require('http');

            function process_response(webservice_response, sound, callback) {
                var webservice_data = "";
                webservice_response.on('error', function (e) {
                    console.log(e.message);
                    callback("Error: " + e.message);
                });
                webservice_response.on('data', function (chunk) {
                    webservice_data += chunk;
                });

                // Response from query
                webservice_response.on('end', function () {
                    // Parse everything from the response (JSON)
                    sound_data = JSON.parse(webservice_data);
                    // Find the title of the first match
                    sound.title = sound_data.title;
                    // The duration provided by SoundCloud is in milliseconds
                    // convert to MM:SS format for readability
                    sound.duration = millis_to_min_sec(sound_data.duration);
                    // Logo for SoundCloud
                    sound.logo = 'http://icons.iconarchive.com/icons/sicons/basic-round-social/512/soundcloud-icon.png';
                    console.log(sound.title + ' ' + sound.duration);
                    callback();
                });
            };

            // Define host, path etc. for the search (JSON returned)
            function get_sound_data(sound, callback) {
                //http://api.soundcloud.com/tracks.json?client_id=CLIENT_ID_HERE&q=smile%20like%20you%20mean%20it
                console.log(sound.title);
                console.log(sound.duration);
                options = {
                    host: 'http://api.soundcloud.com',
                    port: 80,
                    path: '/tracks.json?client_id=O3UkayfZTJjNeahVhqTiHcZ5iowrMRpk&q=smile like you mean it&limit=2',   // client_id is given above, q='something to search for', limit to 2 results
                    method: 'GET'
                };

                var webservice_request = http.request(options, function (response) {
                    process_response(response, sound, callback)
                });
                webservice_request.end();

            };

            // Convert milliseconds to MM:SS format (minutes:seconds)
            function millis_to_min_sec(millis) {
                var minutes = Math.floor(millis / 60000);
                var seconds = ((millis % 60000) / 1000).toFixed(0);
                return minutes + ':' + (seconds < 10 ? '0' : '') + seconds;
            };

            async.each(sound.sounds, get_sound_data, function(err) {
                if(err) console.log(err);
                console.log('done');

                res.view({
                    sound: sound
                });
            });
        });
    },

};

访问localhost时出现的错误消息:1337 / music / result:

错误:发送500(“服务器错误”)响应:错误(E_UNKNOWN)::遇到意外错误:ER_BAD_FIELD_ERROR:Query.Sequence._packetToError(C:\ Users \ InWhi \)中'where子句'中的未知列'NaN'在Query.ErrorPacket上的Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ protocol \ sequences \ Sequence.js:48:14)(C:\ Users \ InWhi \ Desktop \ ISQA4380 \在Protocol._parsePacket(C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-)中的Group-6-Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ protocol \ sequences \ Query.js:83:18) Parser.write上的Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ protocol \ Protocol.js:280:23)(C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-在Protocol.write的mysql \ node_modules \ mysql \ lib \ protocol \ Parser.js:73:12)(C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ protocol \ Protocol.js:39:16)在Socket . (C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ Connection.js:96:28)在emitOne(events.js:96:13)at at在socket.adread(net.js:548:20)的Socket.Readable.push(_stream_readable.js:134:10)处的readableAddChunk(_stream_readable.js:176:18)处的Socket.emit(events.js:188:7) )--------------------在Protocol._enqueue(C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ node_modules) PoolConnection.query上的\ mysql \ lib \ protocol \ Protocol.js:141:48)(C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ Connection .js:201:25)之后在FIND(C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ lib \ adapter.js:838:20)之后(C:\ Users) \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ lib \ connections \ spawn.js:84:5)在C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ lib \ connections \ spawn.js:40:7在Ping.onOperationComplete [as _callback](C:\用户\ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ Pool.js:99:5)在Ping.Sequence.end(C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ protocol \ sequences \ Sequence.js:96:24)在Ping.Sequence.OkPacket(C:\ Users \ InWhi \ Desktop \ ISQA4380 \在Protocol._parsePacket(C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-)中的Group-6-Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ protocol \ sequences \ Sequence.js:105:8) Parser.write上的Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ protocol \ Protocol.js:280:23)(C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-在Protocol.write的mysql \ node_modules \ mysql \ lib \ protocol \ Parser.js:73:12)(C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ protocol \ Protocol.js:39:16)在Socket . (C:\ Users \ InWhi \ Desktop \ ISQA4380 \ Group-6-Project \ node_modules \ sails-mysql \ node_modules \ mysql \ lib \ Connection.js:96:28)在emitOne(events.js:96:13)at at在socket.adread(net.js:548:20)的Socket.Readable.push(_stream_readable.js:134:10)处的readableAddChunk(_stream_readable.js:176:18)处的Socket.emit(events.js:188:7) )详细信息:错误:ER_BAD_FIELD_ERROR:'where子句'中的未知列'NaN'

任何改进的建议和/或解决我的问题的解决方案,非常感谢!

1 回答

  • 1

    当你去 localhost:1337/music/result 时,似乎你无意中为一个名为 music 的模型打了蓝图路线 . 它将 result 作为 /:model/:id 的URL格式的ID . 确保您的路由配置设置为覆盖该格式并指向 SoundCloudController.result .

相关问题