nodejs 和 mongoose的查询和添加

var express = require('express');
var router = express.Router();

var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/todo_delelopment');
var taskSchema = mongoose.Schema({
    task: String
});
//schema 拥有一个方法
taskSchema.methods.speak = function () {
  var greeting = this.task ? "Meow name is " + this.task : "I don't have a name";
  console.log(greeting);
}

//保存
var task = mongoose.model('task', taskSchema);
var aTask = new task({ task: 'Silence' });
console.log(aTask.task) ;
aTask.save();



var taskNew = mongoose.model('task', taskSchema)
var task2 = new taskNew({ task: 'zhj22222l' });
task2.speak()

task2.save(function (err, task3) {
  if (err) return console.error(err);
  task3.speak();
});

taskNew.find(function (err, content) {
  if (err) return console.error(err);
  console.log(content)
})

 // var Schema = mongoose.Schema;
 // var ObjectId = Schema.ObjectId;
 // var Task = new Schema({
 //     task : String
 // });
 // var Task = mongoose.model('Task',Task);
// /* GET users listing. */
 // router.get('/tasks', function(req, res) {
 // 	Task.find({},function(err,docs){
 // 		res.render('tasks/index',{
 // 			title:'tasks of me',
 // 			docs:docs
 // 		});		
 // 		// res.send(docs);
 // 	});
 // });
router.get('/new',function(req,res){
	res.render('tasks/new',{
		title:'new'
	});
});

 // router.post('/saveTask',function(req,res){
 // 	var task = new Task(req.body.task);
 // 	//res.send(req.body.task+'------');
	//  task.save(function(err){
 // 	 	if (!err) {
 // 	 		res.redirect('/tasks/tasks');
 // 	 	}else{
 // 	 		res.redirect('/tasks/new');
 // 	 	}
 // 	 });
 // });








module.exports = router;

nodejs 和 mongoose的查询和添加