Wechat group QR code blockchain
1. First of all, find wechat app on your mobile phone, click to open
{rrrrrrr}
extended information:
in the research of two-dimensional code standardization, the International Association of automatic identification manufacturers (AIM) and American Standardization Association (ANSI) have completed the symbol standards of PDF417, QR code, code 49, code 16K, code one and other coding systems
the International Technical Committee for standards and the International Electrotechnical Committee have also set up the Technical Committee for automatic bar code identification (ISO / IEC / JTC1 / SC31), formulated the international standard for QR code (ISO / IEC 18004:2000 "automatic identification and data acquisition technology - technical specifications for bar code symbols - QR code"), drafted PDF417, code 16K, data matrix ISO / IEC standard draft of two-dimensional code such as Maxi code
in the development and proction of two-dimensional code equipment, the reading equipment and symbol generation equipment proced by equipment manufacturers in the United States, Japan and other countries have been widely used in all kinds of two-dimensional code application systems. As a new information storage, transmission and identification technology, two-dimensional code has been concerned by many countries in the world since its birth
update wechat to the latest version. Now the latest group has a function that can invite friends in only after the group owner confirms it
you can open that
after the establishment, enter the upper right corner of the group chat interface and enter the management interface,
there are group QR codes under the members
It cannot be set to always be valid
the validity period of wechat group QR code is only seven days, and users cannot set the validity period of wechat group QR code by themselves. Wechat official set the validity period of wechat group QR code to 7 days in order to improve user experience and avoid the phenomenon of randomly adding friends
when the number of people in each wechat group reaches 100, users can not join the group chat through wechat group QR code, they can only join the group through wechat friends. Wechat group's QR code will be invalid after seven days, and it needs to be shared again by group owners and other personnel
extension: WeChat
's functions:
1, WeChat public platform: through this platform, indivials and enterprises can build a public official account of WeChat, which can send three categories of text, picture and voice. There are currently two million public accounts
2. Circle of friends: users can publish text and pictures through the circle of friends, and share articles or music to the circle of friends through other software. Users can "comment" or "like" the new photos of their friends. Users can only see the comments or likes of the same friends
3. Wechat shake: it is a random dating application launched by wechat. By shaking the mobile phone or clicking the button to simulate shaking, it can match the wechat users who trigger the function at the same time, so as to increase the interaction between users and the viscosity of wechat
It can't be set to be valid all the time. The validity period of wechat group's QR code is 7 days. It will be automatically updated after 7 days. You can view it through the following methods:
1. Open the chat page of a wechat group in wechat, and then click the three icons in the upper right corner:
first, how to find the added wechat group on wechat
open your own wechat
click the address book to find group chat
Click group chat
after clicking group chat, we find that there is no group and no interface. At this time, we need to find a plus sign on the top right corner and click in
click [select a group]
now the group will appear, and you will see as many groups as you add<
2.
1. How to find a wechat group? You can go to Douban, wechat group post bar, wechat group website, etc. there are many wechat group QR codes in them. You can directly scan and add a wechat group.
2. You can also set up a wechat group by yourself, click the button in the upper right corner of wechat, select initiate chat in the drop-down list, and then check the friends who need to join the group, A group can be established by determining the point If you need to add friends, you can send wechat group QR code, QQ, microblog, circle of friends, Douban, post bar, wechat group sharing and other websites)
3. If you have joined a wechat group, then you can let members of the wechat group invite you to join the group. Of course, if you have two groups, you can shout to change the group and let others pull you into the group, You pull people in.