MY-Blog

A demo project for learn koajs

Requirements

###1、node.js ###2、koa.js 1.XX ###3、es6、babel ###、mongodb、mongoose

Koa Middleware

1、koa-bodyParser

A body parser for koa,base on co-body.Support json、form、text type body.

git:https://github.com/koajs/bodyparser 

usage:
{
  import koa from 'koa';
  import koaBodyParser from 'koa-bodyParser';
  let app=koa();
  app.use(koaBodyParser()); //the parsed body will store in this.request.body
}

2、koa-static

Koa static file serving middleware,wrapper for koa-send.

git:https://github.com/koajs/static

usage: { import koa from 'koa'; import staticServer from 'koa-static'; let app=koa(); app.use(staticServer('static file root path',opts)); }

3、kao-ejs

koa ejs view render middleware.Support all feature of ejs.

git:https://github.com/koajs/ejs

usage: { import koa from 'koa'; import render from 'koa.ejs'; import path from 'path'; let app=koa();

  render(app,{
    root:path.join(__dirname,'view root path'),
    layout:'layout',//optional 
    viewExt:'file extension',
    cache:boolen,
  });

  app.use(function *(next){
    yield this.render(url，arguments);
    yeild next;
  });

}

4、koa-router

Router middle for koa

usage: { import koa from 'koa'; import koaRouter from 'koa-router';

  let app=koa();
  let router=koaRouter();
  
  app.use(router.routes())
  .use(router.allowMethods());

  router.get('path',function *(next){})

}

5、koa-logger

git:https://github.com/koajs/logger

6、koa-error

git:https://github.com/koajs/error

Mongodb

step1：download file and install ,from https://www.mongodb.com/download-center#community

step2: config mongodb, command: mongod.exe --logpath=path+'log\log.txt' --dbpath=path+'db'

      eg. mongod.exe --logpath=e:mongodb\data\log\log.txt  --dbpath=e:mongodb\data\db

step3:

     start:net start mongodb
     stop:net stop mongodb

Reference：http://www.cnblogs.com/aaronjs/p/4445543.html

Mongoose

step1: init schema

step2: =mongoose.model('model name',schema);

step3: operate model

Reference:http://mongoosejs.com/docs/api.html

Some Wiki

1、use ctx.redirect in node

2、use ctx.query get query params