我有几个包含辅助函数的实用程序库,我想加载它们,以便可以从控制器中使用它们,我想知道在节点中编写实用程序库的最佳实践是什么.
我有点困惑,因为有几种方法可以做到这一点,我不确定什么是最好/更合适/更可靠.这里有两个选项,但我想知道它们是否是最好的(例如我见过使用的片段module.exports = exports = function(){}等)
//option1.js
"use strict";
module.exports = function(){
exports.test1 = function(){ console.log('hi I'm test1')};
exports.test2 = function(){ console.log('hi I'm test2')};
return exports;
};
//option2.js
"use strict";
module.exports = {
test1 : function(){ console.log('soy test1')},
test2 : function(){ console.log('soy test2')}
};
//test_controller.js
/* Requiring helpers in different ways */
var option1 = require('./option1.js')();
var option2 = require('./option2.js');
我使用phonegap工具"create"(创建project_folder package_name project_name)创建了一个干净的cordova 2.7.0项目,并且我已将应用程序部署到我的Nexus 4(androind 4.2.2).没有编写代码.
该应用程序已执行,没有任何错误,因为它已显示phonegap徽标和"apache cordova设备准备就绪".问题是当我点击标准的android右键(显示最近运行的应用程序)时,我在日食LogCat中看到错误发生了:
05-07 18:29:54.957: D/webviewglue(24649): nativeDestroy view: 0x731f4738
05-07 18:30:10.163: D/DroidGap(24649): Paused the application!
05-07 18:30:10.163: D/CordovaWebView(24649): Handle the pause
05-07 18:30:10.453: W/IInputConnectionWrapper(24649): showStatusIcon on inactive InputConnection
05-07 18:30:10.743: D/DroidGap(24649): onDestroy()
05-07 18:30:10.743: D/CordovaWebView(24649): >>> loadUrl(javascript:try{cordova.require('cordova/channel').onDestroy.fire();}catch(e){console.log('exception firing destroy event from native');};)
05-07 18:30:10.743: D/PluginManager(24649): init()
05-07 18:30:10.753: D/CordovaWebView(24649): >>> loadUrlNow()
05-07 18:30:30.765: E/CordovaWebView(24649): CordovaWebView: TIMEOUT ERROR!
05-07 18:30:30.765: D/Cordova(24649): CordovaWebViewClient.onReceivedError: Error code=-6 Description=The connection to the server was unsuccessful. URL=javascript:try{cordova.require('cordova/channel').onDestroy.fire();}catch(e){console.log('exception firing destroy event from …如何填充嵌套引用的模型？
例如:
// 'Collection' model
var CollectionSchema = new Schema({
collection_name: String,
_groups: [{ type: Schema.Types.ObjectId, ref: 'Group' }],
});
// 'Group' model
var GroupSchema = new Schema({
group_name: String,
_item: { type: Schema.Types.ObjectId, ref: 'Item' } // To be populated
_meta: [ { type: Schema.Types.ObjectId, ref: 'Meta' } // To be populated
});
// 'Item' model
var ItemSchema = new Schema({
item_name: String,
item_description: String
});
// 'Meta' model
var MetaSchema = new Schema({
meta_name: String,
meta_value: String
}); …