二维码无处不在：您可以在最新产品的包装上、名片上、会议演示文稿中找到它们，甚至可以在建筑物上看到它们。人们和公司使用它们以任何拥有智能手机的人都可以快速访问的方式存储和分发各种信息。二维码是什么样的？你(Did)扫描了一个吗？您知道二维码的作用以及二维码的用途是什么吗？如果您不这样做，请阅读本指南以了解有关它们的更多信息：
什么是二维码？二维码有什么作用？
“二维码”代表什么？该术语代表快速响应代码(Quick Response Code)。二维码是最早在日本(Japan)开发和使用的方形条码（二维条码）。与任何其他条形码一样，QR 码只不过是一种将信息存储在机器可读光学标签中的方式。QR 码包含的数据可以是任何内容，从简单的文本到电子邮件地址、电话号码等。
二维码是什么样的？
QR 码使用排列成方形网格的黑点和空白模式存储数据。在成像设备（如相机或扫描仪）的帮助下，这些图案可以被扫描并转化为人类可读的信息。然而，如今扫描二维码最常见的方法是使用智能手机的相机和专门的应用程序来读取二维码。
为什么二维码有用？
二维码易于生成和使用。它们是在小空间中存储各种数据的便捷方式。如果要存储在 QR 码中的数据仅由字母数字字符组成，则单个 QR 码最多可容纳 4000 个字符。
二维码有什么用途？
由于它们可以存储不同类型的信息，因此二维码可用于多种用途。二维码通常用于保存数据，例如：
- 简单(Simple)的文字 - 会议上的欢迎信息
- 地址 - 个人家庭住址、公司地址
- 电话号码 - 个人电话号码，您公司的电话号码
- 电子邮件地址 - 个人或企业帐户
- URL(URLs) - 网站或特定网页的地址
- 应用链接 - 可在Google Play或 Apple 的App Store等应用商店中找到(App Store)
- 付款 - 二维码可以存储有关您的银行帐户或信用卡的信息
- 在线账户认证——网站可以显示一个二维码，注册用户可以用他或她的智能手机扫描并自动登录
- WiFi验证 - 二维码可用于存储WiFi网络验证详细信息，例如SSID、密码和加密类型：当您使用智能手机扫描此类二维码时，它可以自动加入该网络
- 两步验证密钥 - 在各种网站和应用程序配置两步验证安全性期间使用(two-step authentication)
- 其他各种用途 - 例如葬礼（根据维基百科(according to Wikipedia)，在日本(Japan)，有带有二维码的墓碑，指向保存死者信息的网页），或用于成绩单和学位（主要用于印度(India)、中国(China)、墨西哥(Mexico)）
二维码有什么用？答：存储信息
事实上，您可以在二维码中存储多种类型的信息，这完全取决于您的想象力。例如，您还可以使用 QR 码将某人指向您的Facebook页面，或者您可以使用它来显示您写的一首诗。所有决定权都在你手里。
二维码显示在哪里？
您可以在各种位置找到 QR 码，但您可以看到它们的一些最常见的地方是：
- 在名片上，包含各种联系方式
- 在智能手机和其他小工具的包装上，包含指向应用程序的链接、您购买的设备的支持服务、包含该小工具信息的产品页面等等
- 在电视广告、广告牌、在线广告和其他类型的广告上
- 在企业的库存标签上，包含序列号、部件号、硬件规格、库存日期等信息
简而言之，您可以在任何可以用智能手机看到和扫描的东西上放置二维码：从一张纸到一块布，再到电视屏幕或建筑立面。可能性是无止境。
你如何扫描二维码？什么是二维码扫描仪？
扫描二维码最简单、最常用的方法是使用智能手机和二维码扫描应用程序。Google 的Play Store(Play Store)中不仅有几个 QR 扫描应用程序，Apple 的App Store中也有很多这样的工具。通常(Usually)，您只需将智能手机的摄像头对准二维码，二维码扫描应用程序就会对其进行翻译。
此二维码的目的是链接到我们的网站
如果您碰巧使用Android智能手机或平板电脑，这里是最适合您的 QR 扫描仪(the best QR scanners for you)。此外，如果您是 iOS 用户，您可能需要查看此 iPhone QR 扫描仪列表(this list of QR scanners for iPhone)。试用它们并扫描上面的 QR 码以查看我们存储在其中的信息。
如何创建二维码？
在创建 QR 码之前，请确保您知道要存储什么样的信息以及您打算在哪里分发 QR 码。弄清楚后，请按照我们整理的本指南中的说明进行操作：如何使用免费的 QR 码生成器创建 QR 码(How to create QR codes using a free QR code generator)。它涵盖了创建 QR 码所需遵循的步骤，无论您使用的是什么平台：Windows、macOS、Android或 iOS。
您是否经常阅读或生成二维码？
现在您对 QR 码的重要性有了更多了解，它提供了一种在狭小空间内存储数据的简洁方式。正如您在本指南中所见，您可以存储许多不同类型的数据并使用各种媒体将其分发给其他人。您是否使用智能手机读取二维码？您是否也在为自己或您的企业创建二维码？在下面的评论部分中询问(Ask)您对此主题可能有的任何问题。
What is a QR code? What are QR codes used for? -
QR codes are everywhere: you can find them printed on the packaging of your latest gadgets, on bυsiness cards, included on presentations at conferences, and you can even see them painted on buildings. People and companies uѕe them to store and distribute all kinds of information in a manner that is quiсkly аccessible tо anyone with a smartphone. What does a QR code look like? Did you scаn one? Do you know what a QR code does and what’s the рurpose of a QR code? If you dоn’t, read this guide to learn more about them:
What is a QR code? What does a QR code do?
What does “QR code” stand for? The term stands for Quick Response Code. QR codes are square barcodes (two-dimensional barcodes) that were first developed and used in Japan. Like any other barcode, a QR code is nothing more than a way to store information in a machine-readable optical label. The data contained by a QR code can be anything from simple text to email addresses, phone numbers, and so on.
What does a QR code look like?
QR codes store data using patterns of black dots and white spaces arranged in a square grid. These patterns can be scanned and translated into human-readable information, with the help of an imaging device, like a camera or a scanner. However, the most common way to scan QR codes nowadays is to use your smartphone’s camera and a specialized app for reading QR codes.
Why are QR codes useful?
QR codes are easy to generate and use. They are a convenient way to store all kinds of data in a small space. If the data you want to store in a QR code is made of only alphanumeric characters, a single QR code can hold up to 4000 characters.
What are QR codes used for?
As they can store different types of information, QR codes are used for many purposes. QR codes are commonly used for holding data such as:
- Simple text - welcome messages at conferences
- Addresses - personal home address, business address
- Phone numbers - personal telephone number, your company’s phone number
- E-mail addresses - personal or business accounts
- URLs - addresses of websites or specific web pages
- Links to apps - found in app stores such as Google Play or Apple’s App Store
- Payments - QR codes can store information about your bank account or credit card
- Online accounts authentication - websites can display a QR code which a registered user can scan with his or her smartphone and automatically log in
- WiFi authentication - QR codes can be used to store WiFi networks authentication details such as SSID, password, and encryption type: when you scan such a QR code using your smartphone, it can automatically join that network
- 2-step verification passkeys - used during the configuration of two-step authentication security by various websites and applications
- Other various uses - such as funerary (according to Wikipedia, in Japan, there are tombstones with QR codes that point to web pages that hold information about the deceased), or for transcripts and degrees (used mainly in India, China, Mexico)
What is a QR code used for? Answer: to store information
The truth is that you can store lots of types of information in a QR code and it all depends only on your imagination. For example, you could also use a QR code to point someone to your Facebook page, or you could use it to display a poem you wrote. It is all up to you.
Where are QR codes displayed?
You can find QR codes in all kinds of locations, but some of the most common places where you can see them are:
- On business cards, containing contact details of all kinds
- On the packaging of smartphones and other gadgets, containing links to apps, the support service for the device you purchased, the product page with information about that gadget, and so on
- On TV advertisements, billboards, online ads, and other types of advertisements
- On inventory tags in enterprises, containing information like serial numbers, part numbers, hardware specs, inventory dates, and so on
In short, you can place a QR code on anything that can be seen and scanned with a smartphone: from a piece of paper to a piece of cloth, to a TV screen or a building facade. The possibilities are endless.
How do you scan QR codes? What is a QR code scanner?
The easiest and the most common method to scan QR codes is to use your smartphone and a QR scanning app. There are more than just a few QR scanning apps in Google’s Play Store, and there are also plenty of such tools in Apple’s App Store. Usually, all you have to do is point your smartphone’s camera to a QR code, and the QR scanning app translates it.
The purpose of this QR code is to link to our website
If you happen to use an Android smartphone or tablet, here are the best QR scanners for you. Furthermore, if you’re an iOS user, you might want to check this list of QR scanners for iPhone. Try them out and scan the QR code above to see the information that we stored in it.
How do you create a QR code?
Before creating your QR codes, make sure that you know what kind of information you want to store and where you intend to distribute the QR codes. Once you have that figured out, follow the instructions from this guide we put together: How to create QR codes using a free QR code generator. It covers the steps you need to follow for creating a QR code regardless of the platform you’re on: Windows, macOS, Android, or iOS.
Do you read or generate QR codes often?
Now you know more about the importance of QR codes, which offer a neat way of storing data in a small space. As you have seen in this guide, you can store lots of different types of data and distribute it to others using all kinds of media. Do you use your smartphone to read QR codes? Are you also creating QR codes for yourself or your business? Ask any questions you might have on this subject in the comments section below.
