Name: 使用JavaScript和Node.js編寫一個魔術卡把戲 - 教程 (Code a magic card trick using JavaScript & Node.js - Tutorial)
Uploaded: 2021-01-14T10:30:39.000Z
Duration: 31 min 46 s
Description: 【看影片學英語】數萬部 YouTube 影片，搭配英漢字典即點即查，輕鬆掌握單字發音與用法，長久累積看電影不必再看字幕。

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And I am going to show you how to program a magic trick using know Js and mongo d be We're gonna be using these freak Oh, camp playing cards.

Oh, camp has a some playing cards that you can actually buy.

So the link is in the description if you want to get your own copy, but check out these playing cards.

A different important programmer from history.

And there's all sorts of different programmers from history.

So I'm about to perform the magic trick on my friend, and then we'll show you how it works.

And then this is gonna be a coating tutorial.

I'll show you how to code this trick using know Js and Mama D B and will deploy it to Hiroki.

Okay, I have these freak Oh, camp playing cards, all right.

And what I'm gonna do is have you pick any card that you want.

I made a program that's going to be able to figure out what your card is.

So, yeah, I have ever ipad here as a fun kid case, and I'm gonna have you go to a website.

Are you with that type in that the u R L It's gonna be, you see?

There s So you're gonna type in the word any car, tow A N Y c a r d.

And then a type of heroic UAP you spelled h e r a u a t r o t h e r o Okay, you a p p dot com Now you do a slash slapped on the keyboard.

My wife was in the background and she was typing something into her phone.

So this trick, actually, you do need to have an accomplice that could help out with this trick.

You could actually have someone far away if as long as they can hear recording of what's happening.

But my wife was actually putting in some information into the website that gets stored on the Mondo DI B database.

So then when my friend went to the certain website with his name, it would not have worked with any other name, just his name.

Specifically, it gets the data from the Mongo D B database so we could display the card that he chose.

First, I'll show you how this any card app works, and then we'll start coating it from scratch.

L flee this the route you are l and then slash secret.

This is where your person that's helping you, the website that they go to So we're gonna enter a name.

And then If they say whatever the card that the spectator picks, your helpers gonna go to four.

Let's say it's four of spades and then just do submit.

Now, if we go to slash bo, we should see four of spades.

But if we go to another name like Quincy, it'll just show not found, because that hasn't been entered into the database.

And then also, if you ever want to delete everything, we can just go to delete all and the debt database reset.

So now if I go to Bo, it will not show anything.

So it's a pretty simple app, but it can make a pretty impressive magic trick when you go to perform it on somebody.

So let's start building this from scratch.

I've already created a folder and then inside the folder that's called any card I created server dot Js.

Another thing I have already done is copied in this card's directory, and this just has an image of each card that can be chosen by the spectator so you can get a link to all these files right in the description of the video here.

So let me go back into our server file server dot Js and we're going to start cutting.

But actually, before we start quoting, let's set up some things.

Um, since we're going to be using node and we're going to be using some packages, I'm going to have Thio set up a pack.

So I have this terminal open down at the bottom here.

And that's going to just create my package that Jason file.

And it just says yes to all the questions.

So now that we've done that, we can install some things.

Install will be using, Let's see, express body part, sir, and mongo D B.

So we just installed at and now we can start working on our server.

So the first thing we're just going to require a lot of things at the beginning.

We've required express Now, this is a Web server for know Js.

So it makes it easier to set up a Web server pretty quickly and then we're going to be using the Web server and app here.

This is going to allow us to get the the route path that a file is stored in, um, on our inner directory.

You'll see that in a second when we have body parts, sir, this extracts the entire body portion of an incoming request stream and exposes it on the wrecked up body.

As some has easier to interface with what it basically means it.

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使用JavaScript和Node.js編寫一個魔術卡把戲 - 教程 (Code a magic card trick using JavaScript & Node.js - Tutorial)

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