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Under the background framework module, the value of the file field cannot be obtained when uploading a file. However, if a separate page is used to open and submit the upload, the value can be obtained. I don't know why?

Under the background framework module, the value of the file field cannot be obtained when uploading a file. However, if a separate page is used to open and submit the upload, the value can be obtained. I don't know why? Please give some advice! ! Thanks

竹枝梧叶 2018-05-12 23:15:21

How to generate HTML output in PHP

I want to conditionally output HTML to generate a page, so what's the easiest way in PHP4+? Do I need to use a template framework like Smarty? echo'<html>',"\n";//I believe there is a better way! echo'<head>',"\n";echo'</head>',"\n&q...

P粉176203781 2023-08-22 14:41:53

Ex-Admin uses graphical drag and drop to generate CURD without paying attention to JS. You can quickly build a backend system using only PHP code.

Ex-AdminEx-Admin is a backend system construction tool developed based on Ant Design of Vue. There is no need to pay attention to the page template JavaScript, and you can quickly build a fully functional backend system using only PHP code. . [Chinese Document][Demo / Online Demonstration][github] [...

Rocky 2022-07-21 12:27:18

angular.js - What are the methods to optimize the homepage loading of AngularJS single-page applications?

In traditional web page requests, data is loaded into the template on the server side, which can be completed in one step. Download HTML Download CSS / javascript Rendering Single page applications need to download the framework before they can start loading data. Download HTML Download CSS / javasc...

PHP中文网 2017-05-15 16:50:28

javascript - How should I optimize the code I wrote to convert object data into DOM nodes?

Let’s briefly introduce the idea: ajax to the object, then create the object in sequence from child to parent, set the style, and add levels. Then the code looks like this: {code...} That's it. . . How to optimize? The front-end's support for ES6 is not ideal, so string templates cannot be used, and...

三叔 2017-06-12 09:28:43

javascript - Discussion on the design plan of a project

Recently, I have been working on a configurable project for the company's event page. Let's call it cms. The function is to configure the corresponding module in the management backend every time a promotional event is held, such as Double 11. The final generated page interface has a structure simil...

迷茫 2017-05-19 10:41:26

PHP automatically performs the login operation after discovering that the login has expired, and then continues the previous step.

Conditions: There is a third-party website, and every step of the operation needs to be logged in. Now I have built a simple front-end page and used PHP to make a springboard in the middle. Process: Every request on the page I built is transmitted to the PHP springboard through ajax, and then the PH...

暖暖橙 2022-06-13 15:06:16

"Nuxt - Page does not load properly after executing "yarn generate""

I have a simple nuxt application with one page located under the following directory structure: pagescallbackindex.vue The application is generated using "universal" mode. My problem is that when I run the application locally (i.e. yarndev) the callback page displays perfectly and works fi...

P粉670107661 2023-08-26 11:45:49

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21

Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

P粉151466081 2023-09-05 11:58:38

Spades, Diamonds, Hearts, Clubs => styles do not change font color in Chrome for Android

In Google Chrome on Windows, the card suit symbols (spades, hearts, diamonds, clubs) are colored correctly using the "style" attribute. Unfortunately, the same page displayed in Google Chrome on Android does not display the colors I defined but uses the default black and red. (See the atta...

P粉896751037 2023-09-05 15:25:13

How to hide mui TextField label?

I'm developing a Nextjs app and I have a dashboard navigation bar built with mui that contains a notification that opens the notification box, which is built with regular HTML and CSS. dashboard-navbar.js: importNotificationBoxfrom"./notification-box/notification-box";//...exportconstDashb...

P粉239164234 2023-09-05 15:41:00

Custom Bootstrap 5 carousel on mobile (multiple items, but not in one row)

I'm having trouble trying to customize the carousel layout on mobile devices. I want it to show every item of the carousel on mobile instead of just one, but after trying with some CSS and JS, especially using displayfloat or max-witdh I'm just starting to think this isn't possible, Or I don't know ...

P粉763662390 2023-09-05 11:53:56