zoukankan      html  css  js  c++  java
  • [MEAN Stack] First API -- 3. Select by ID with Mongoose and Express

    Mongoose allows you to easily select resources by ID from your MongoDB. This is an important aspect to creating an API.

    Server.js

    'use strict';
    
    var expres = require('express');
    var mongoose = require('mongoose');
    mongoose.connect('mongodb://localhost/simple');
    var cors = require("cors");
    
    var personSchema = {
        firstName:String,
        lastName:String,
        email:String
    };
    
    //create a person model, and rename db as people
    var Person = mongoose.model('Person', personSchema);
    var app = expres();
    app.use(cors());
    
    app.get('/people', function(request, response){
        Person.find().select("firstName").exec(function(err, data) {
            response.json(200, data);
        })
    });
    
    app.get('/people/:id', function(request, response){
        Person.findById(request.params.id, function(err, data) {
           response.send(data);
        });
    });
    
    app.listen(3000);

    app.js:

    /**
     * Created by Answer1215 on 12/9/2014.
     */
    'use strict';
    
    function MainCtrl(PeopleService) {
        var vm = this;
        vm.people = [];
        vm.selectedPerson = {};
        
        vm.getPeople = PeopleService.getPeople().then(function(response) {
            vm.people = response.data;
        });
    
        vm.selectPerson = function(person) {
            PeopleService.getSelectedPerson(person).then(function(response) {
                vm.selectedPerson = response.data;
                vm.selectedPerson.fullName = response.data.firstName + " " + response.data.lastName;
            });
    
        }
    }
    
    function PeopleService($http) {
    
        var PeopleService = {};
        PeopleService.getPeople = function() {
             return $http.get('http://localhost:3000/people');
        }
    
        PeopleService.getSelectedPerson = function(person) {
            return $http.get('http://localhost:3000/people/'+person._id);
        }
    
        return PeopleService;
    }
    
    angular.module('app',[])
        .controller('MainCtrl', MainCtrl)
        .service('PeopleService', PeopleService);

    index.html

    <!DOCTYPE html>
    <html>
    <head lang="en">
        <meta charset="UTF-8">
        <title></title>
        <link rel="stylesheet" href="bower_components/bootstrap/dist/css/bootstrap.min.css"/>
    </head>
    <body ng-app="app">
    
    <div class="row" ng-controller="MainCtrl as vm">
        <div class="col-xs-4">
            <ul>
                <li ng-repeat="person in vm.people" ng-click="vm.selectPerson(person)">{{person.firstName}}</li>
            </ul>
        </div>
        <div class="col-xs-6">
            <h2>{{vm.selectedPerson.fullName}}</h2>
            <span>{{vm.selectedPerson.email}}</span>
        </div>
    </div>
        <script src="bower_components/angular/angular.min.js"></script>
        <script src="app.js"></script>
    </body>
    </html>
  • 相关阅读:
    Class 、NSObject、id
    xcode8.2 打包问题
    JS WEB 交互问题
    C语言 关于内存动态分配问题
    Objective-C( Category 分类,非正式协议,分类延展)
    NSComparisonResul、NSNotFound、NSEnumerationOptions......的用处
    Objective-C( Foundation框架 一 常见的结构体)
    Objective-C( Foundation框架 一 数组(NSMutableArray))
    Objective-C( Foundation框架 一 数组(NSArray))
    Objective-C( Foundation框架 一 字符串)
  • 原文地址:https://www.cnblogs.com/Answer1215/p/4154582.html
Copyright © 2011-2022 走看看