php uses phpspreadsheet to generate execl, how to insert pictures ...
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We have encountered the following problems in the distribution system! For example, A user shares his URL. B users come according to the URL shared by A users, so judge whether A users follow the official account! If there is no attention, the follow but...
I found it like this update-alternatives --set php usr bin php7.2 the original version is 7. 0 installed. I want to cut the past , but I found that etc php 7.2 is also available here. which is the right way? what else should we pay attention to?! ...
have the following two sample tables order amount is equal to orderinfo price*count in the table, and each order has more than one item. how can I get the top 10 users with the total amount of orders through the SQL statement? add: each user m...
I think belongsTo or hasMany is usually written in model. What s the use of writing this? The following is the code in someone else s Car model. I think when he used it in the controller, he wrote $car = Car::find ($id) . It doesn t seem to be conve...
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php calls the stored procedure, and there is other execution code before and after the stored procedure, in the same transaction, but the code before and after the stored procedure is executed, but the code in the stored procedure is not executed. What i...
the company uses a mall framework to access the environment on IWebShop online. The route is: http: 10.1.4.41 coupons binding id 4 is in the above format, but locally built can only be accessed through the following routes http: 10.1.4.41 ?controll...
how to jump to a page to display the user s information page immediately after following Wechat s public platform? At the same time, it also displays the information of the user UnionID! I would like to ask all the masters! ...
popularize the QR code what to do when 1 out of 1 million people cannot generate a QR code? ...
use the thinkphp3.2.3 framework, call the date style on the front page as shown below, how to write it in html? Can fall out, but the style can not show the effect of the following figure, do not want to add separate date parameters in the database. ...
The basic logic of the program is as follows: execute "LOCK TABLES auto_table WRITE "; then "select ID from auto_table; then update ID+1 " UPDATE auto_table set ID=ID+1 "; finally execute " UNLOCK TABLES " but this logic occurs when two users r...
use tp5 combined with Mini Program s wx.request to obtain background data, and always return status code 500, the background code is sure to be fine. All the methods of searching on the Internet have been tried, but none of them have been solved. does ...
my docker for windows, runs on gitbash: docker D what should be done ...
follow the ThinkPHP5.0 official manual prompt: User::event( before_insert , function ($user) { if ($user->status != 1) { return false; } }); :https: www.kancloud.cn manua... TP beforeInsert ,,,,. the direct insertion is s...
has not quite understood the concepts of controller, service layer, dao layer and logic layer, and how to use them and why to use them in this way ...
php;.net: I don t know what s going on? ...
I have a vegetable chicken at the front end. Recently, there is a new demand for the company s project, which has been maintained by others before. the front end uses a framework built by pHp and uses the memcached plug-in. After the project runs, ,...
recently I was learning jwt, but encountered a problem. the user enters the user name and password and sends it to the server, which encrypts it and returns it to token, with this token for every front-end request. so I have a problem: if the user ent...
https: blog.csdn.net baidu_3. I can configure domain according to his settings, but I want him to change it into a subdomain name such as xxx.ccc.com . How can I set it? do you want to transfer the domain name to the same IP? ServerName...
to traverse all files in a folder with scandir and glob, only folders can be scanned, but no files can be scanned. 1> $path = . upfiles upload 3223 ; 2> $list = scandir($path); 3> $list = glob($path. * ); to scan out files under 32...
the problem of going to float has been checked on the Internet for a long time. I feel so confused. Why the following code clearfix can t float? do you have a boss to explain <!DOCTYPE html> <html lang="en"> <head> <...
found a problem: Mobile phone: millet max. browser: mobile phone comes with browser and chrome browser on mobile phone problem: the built-in browser supports positioning through geolocation in h5; chrome browsers do not support it. Q: how to sol...
dict is a subclass of the abstract class MutableMapping >>> from collections.abc import MutableMapping >>> isinstance(dict(),MutableMapping) True but you can see in builtin.py that dict inherits from the object object. so I wonder ...