Node.js 相近实战(三) 之图书管理系统(图书信息录入)
Node.js 切近实战(三) 之图书管理系统(图书信息录入)
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var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var bookSchema = new Schema({
_id: Schema.Types.ObjectId,
Title: { type: String, index: true, required: true },
ISBN: { type: String, required: true , unique: true },
Author: { type: String },
Price: { type: Number, min: 0.1, max: 99999 },
Press: { type: String, required: true },
PressDate: { type: Date, default: Date.now },
Description: { type: String, required: true },
Image: { type: Schema.ObjectId }
}, { strict: true,
toObject: {
virtuals: true
},
toJSON: {
virtuals: true
}
});bookSchema.virtual('bookFullName').get(function () {
return this.title + '(' + (this.author? this.author:'') + ')';
});bookSchema.methods.saveBookInfo = function (callback) {
this._id = new mongoose.Types.ObjectId;
this.save(callback);
}bookSchema.set('collection', 'books');
var bookModel = mongoose.model("books", bookSchema);
exports.bookModel = bookModel; |
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#!/usr/bin/env nodevar debug = require('debug')('ChinaBook');
var mongoose = require('mongoose');
initMongoose();var app = require('../app');
app.set('port', process.env.PORT || 3000);
var server = app.listen(app.get('port'), function() {
debug('Express server listening on port ' + server.address().port);
});function initMongoose(){
mongoose.connect('localhost:27017/ChinaBook',function(err, db){
if (err) {
console.log('Unable to connect to the mongoDB server. Error:', err);
} else {
console.log('Connection established to', 'localhost:27017/ChinaBook');
}
});
} |
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var bookSchemas = require('../model/bookinfo.js');
var bookMsgRes = require('../framework/message/book_msg.js');
var validator = require('validator');
var mongoose = require('mongoose');
var bookModel = bookSchemas.bookModel;
exports.bookSave = function (req, res) {
if (validator.isNull(req.body.Title)) {
res.json(bookMsgRes.buildJsonErrorRes('BookTitleEmpty'));
return;
}
if (!validator.isISBN(req.body.ISBN)) {
res.json(bookMsgRes.buildJsonErrorRes('ISBNInCorrect'));
return;
}
if (!validator.isFloat(req.body.Price, { min: 0.01, max: 999999 })) {
res.json(bookMsgRes.buildJsonErrorRes('PriceInCorrect'));
return;
}
if (validator.isNull(req.body.Press)) {
res.json(bookMsgRes.buildJsonErrorRes('PressEmpty'));
return;
}
if (validator.isNull(req.body.Description)) {
res.json(bookMsgRes.buildJsonErrorRes('DescriptionEmpty'));
return;
}
var bookEntity = new bookModel(req.body);
bookEntity.saveBookInfo(function (error, doc) {
if (error) {
res.json({ isSuc: false, msg: error.message });
} else {
res.json({ isSuc: true });
}
});
} |
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var msg = {
TitleEmpty: 'Book Title Can\'t be empty!',
ISBNInCorrect: 'ISBN is incorrect!',
PriceInCorrect: 'The price is incorrect,it must bwtween 0.1 and 99999!',
PressEmpty: 'Press can\'t be empty!',
DescriptionEmpty: 'Description can\'t be empty!'
}exports.buildJsonErrorRes = function (key) { return { isSuc: false, msg: msg[key] };
}exports.buildJsonSucRes = function (key) { return { isSuc: false, msg: msg[key] };
} |
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var router = express.Router();
router.post('/book', bookRoutes.bookSave);
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#book_typeIn(ng-controller='bookTypeInCtrl') label(style='font-size:17px') Book Info:
hr.panel-line
form(name='bookForm')
.row.row-middle-height
.col-md-12
.col-md-1
label Title:
.col-md-5
input.form-control(name='title' type='text' maxlength='50' placeholder='Book name' ng-model='Book.Title' required)
.col-md-6
p.error-message(ng-show='submitted && bookForm.title.$error.required') Title can't be empty.
.row.row-margin.row-middle-height
.col-md-12
.col-md-1
label ISBN:
.col-md-5
input.form-control(name='ISBN' type='text' ng-model='Book.ISBN' maxlength ='30' required)
.col-md-6
p.error-message(ng-show='submitted && bookForm.ISBN.$error.required') ISBN can't be empty.
.row.row-margin.row-middle-height
.col-md-12
.col-md-1
label Author:
.col-md-5
input.form-control(type='text' maxlength ='30' ng-model='Book.Author')
.row.row-margin.row-middle-height
.col-md-12
.col-md-1
label Price:
.col-md-5
input.form-control.tooltip-show(name='price' type='text' maxlength='10' ng-model='Book.Price' data-toggle='tooltip' data-placement='top' ng-pattern='/^[0-9]+(.[0-9]{2})?$/' title='Two decimal places')
.col-md-6
p.error-message(ng-show='submitted && bookForm.price.$error.pattern') Price is incorrect.
.row.row-margin.row-middle-height
.col-md-12
.col-md-1
label Press:
.col-md-5
input.form-control(name='press' type='text' maxlength='50' ng-model='Book.Press' required)
.col-md-6
p.error-message(ng-show='submitted && bookForm.press.$error.required') Press can't be empty.
.row.row-margin.row-middle-height
.col-md-12
.col-md-1
label PressDate:
.col-md-5
kendo-date-picker(name='pressDate' ng-model='Book.PressDate' k-format='yyyy-MM-dd' onkeydown='return false;' required)
.col-md-6
p.error-message(ng-show='submitted && bookForm.pressDate.$error.required') PressDate can't be empty.
.row.row-margin.row-middle-height
.col-md-12
.col-md-1
label Description:
.col-md-5
input.form-control(name='description' type='text' maxlength='200' ng-model='Book.Description' required)
.col-md-6
p.error-message(ng-show='submitted && bookForm.description.$error.required') Description can't be empty.
.row-margin
button.k-button.k-primary.btn-width-70(type='button' ng-click='bookInfoSave()') Save
button.k-button.k-primary.btn-width-70(type='button' ng-click='bookInfoReset()' style='margin-left:10px') Reset
block scripts
script(type='text/javascript' src='/javascripts/local/book/bookTypeIn.js')
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var appModule = angular.module('bookTypeInModule', ["kendo.directives"]);
appModule.config(function ($locationProvider) {
$locationProvider.html5Mode(true);
});appModule.controller('bookTypeInCtrl', function ($scope, $http, $location) {
angular.element('.tooltip-show').tooltip('show');
Messenger.options = {
extraClasses: 'messenger-fixed messenger-on-top messenger-on-center',
theme: 'flat'
}
var now = new Date();
$scope.Book = {};
$scope.bookInfoSave = function () {
$scope.submitted = true;
if (!$scope.bookForm.$valid) {
return;
}
$http({
method: "post",
url: "/book",
headers: { 'Content-Type': 'application/json' },
data: $scope.Book
}).success(function (data) {
if (data.isSuc) {
$scope.bookInfoReset();
$scope.showMsg('success', 'Saved successfully!');
}
else {
$scope.showMsg('error', data.msg);
}
});
}
$scope.bookInfoReset = function () {
$scope.Book = {};
$scope.submitted = false;
}
$scope.showMsg = function (type, msg) {
Messenger().post({
message: msg,
type: type,
hideAfter: 2,
showCloseButton: true
});
}
$scope.onError = function (error) {
$scope.UploadError = error;
}
});angular.element('#book_typeIn').data('$injector', '');
angular.bootstrap(angular.element('#book_typeIn'), ['bookTypeInModule']);
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