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‎doc/day1_express.md‎

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@@ -525,10 +525,19 @@ query处理get请求参数，整理成json各式:
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试着说明package.json的众多方面
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package.json是描述项目文件，描述项目所依赖的模块，当我们把一个项目发布到npm时，其实不用把我们所依赖的模块一起发不上去，只需要把依赖的模块名称填写到package.json里面，当别人npm install的时候，npm会去识别package.json中所依赖的模块名称，然后下载下来:
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- `npm install --save` vs `npm install --save-dev`
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- `npm start` vs `npm test` (scripts自定义)
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- 如何写一个npm，以及发布
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当我们通过npm安装某一模块时，运用`npm install --save`或者`npm install --save-dev`，npm则会把我们的项目依赖信息写入package.json中。
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`npm install --save` 和 `npm install --save-dev`的区别:
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devDependencies下列出的模块，是我们开发时用的，比如grunt-contrib-uglify，我们用它混淆js文件，它们不会被部署到生产环境。dependencies下的模块，则是我们生产环境中需要的依赖。
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## 阅读文档
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‎doc/demo/day1/getting start/app/absolute/.DS_Store‎

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‎doc/demo/day1/getting start/app/absolute/path/.DS_Store‎

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‎doc/demo/day1/getting start/app/absolute/path/to/IMG_0523.PNG‎

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‎doc/demo/day1/getting start/app/app.js‎

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@@ -2,9 +2,27 @@ var express = require('express');
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var app = express();
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function findArr(arr,attr){
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for(var i=0; i<arr.length; i++){
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if(arr[i] == attr){
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return true;
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};
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};
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return false;
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};
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app.get('/',function(req,res){
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console.log(req.is('json'));
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res.send('soso');
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//console.log(req.is('json'));
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var arr = [];
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for(var attr in req){
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arr.push(attr);
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};
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console.log(arr);
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console.log(findArr(arr,'url'));
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res.json({});
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//res.sendFile('/absolute/path/to/IMG_0523.PNG');
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//console.log(req.ip);
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});
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‎doc/demo/day1/shoppingCar/app.js‎

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var express = require('express');
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var path = require('path');
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var favicon = require('serve-favicon');
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var logger = require('morgan');
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var cookieParser = require('cookie-parser');
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var bodyParser = require('body-parser');
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var routes = require('./routes/index');
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var users = require('./routes/users');
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var register = require('./routes/register');
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var login = require('./routes/login');
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var app = express();
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// view engine setup
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app.set('views', path.join(__dirname, 'views'));
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app.set('view engine', 'jade');
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// uncomment after placing your favicon in /public
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//app.use(favicon(__dirname + '/public/favicon.ico'));
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app.use(logger('dev'));
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app.use(bodyParser.json());
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app.use(bodyParser.urlencoded({ extended: false }));
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app.use(cookieParser());
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app.use(express.static(path.join(__dirname, 'public')));
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//app.use('/', routes);
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app.use('/users', users);
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app.use('/register', register);
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app.use('/login', login);
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// catch 404 and forward to error handler
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app.use(function(req, res, next) {
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var err = new Error('Not Found');
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err.status = 404;
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next(err);
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});
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// error handlers
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// development error handler
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// will print stacktrace
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if (app.get('env') === 'development') {
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app.use(function(err, req, res, next) {
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res.status(err.status || 500);
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res.render('error', {
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message: err.message,
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error: err
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});
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});
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}
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// production error handler
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// no stacktraces leaked to user
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app.use(function(err, req, res, next) {
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res.status(err.status || 500);
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res.render('error', {
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message: err.message,
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error: {}
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});
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});
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module.exports = app;

‎doc/demo/day1/shoppingCar/bin/www‎

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#!/usr/bin/env node
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var debug = require('debug')('shoppingCar');
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var app = require('../app');
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app.set('port', process.env.PORT || 3000);
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var server = app.listen(app.get('port'), function() {
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debug('Express server listening on port ' + server.address().port);
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});

‎doc/demo/day1/shoppingCar/node_modules/.bin/jade‎

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‎doc/demo/day1/shoppingCar/node_modules/body-parser/HISTORY.md‎

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‎doc/demo/day1/shoppingCar/node_modules/body-parser/LICENSE‎

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