Dynamically generate charts based on user input php

<?php// Get the data entered by the user $data = $_POST['data'];// Process the data entered by the user and generate the parameters required for drawing $chartData = processData($data);$chartTitle = generateTitle( $data);//Draw a chart drawChart($chartData, $chartTitle);/** * Process user input

P粉899265467 2024-01-21 12:52:08 0  0  296

How to get openid after scanning the QR code image generated with PHP?

I used the PHP QR code generation class library to generate a QR code picture (not generated by the WeChat interface). I want to get the openid of a WeChat user after scanning the QR code. How can I implement this function? (I previously thought of using web page authorization to achieve this, but t...

LRTRL 2017-06-28 16:57:44 0  1  2000

permission-denied - nginx open() "..." failed (13: Permission denied)

Use PHP to upload a file, and then generate a thumbnail. The thumbnail access is normal, and the uploaded file access nginx prompts 403 error: {code...} View file permissions: {code...} Above gmail-theme-tree- _x22.png access is normal, gmail-theme-tree.png access prompt...

某草草 2017-05-16 17:25:46 0  1  811

javascript - Display problems encountered when using Element UI table in Vue

Requirements: A table with n rows and 3 columns, the first column is the serial number, the second column is the type, and the third column is the thumbnail. The data transmitted from the background is as follows: Front-end code: The page becomes like this: How can I get the address of the url? I wa...

PHP中文网 2017-06-28 09:28:08 0  1  916

javascript - When the H5 page embedded in the native APP is shared to WeChat Moments, there is a problem with secondary sharing.

The H5 page embedded in the native APP is a link obtained through the API; the page is the content edited by the rich text editor, not a complete web page; through the sharing function of the APP system; shared to Moments for the first time, there is access title and thumbnail; when you click on thi...

三叔 2017-06-19 09:07:48 0  1  1835

Add overlay on v-img and center button on hover

I'm trying to use a Vuetify component to achieve the effect of some v-img thumbnails, but without success. My image settings are as follows:<v-rowclass="fill-heightpa-5"align-content="center"justify="center"><v-colclass="text-subtitle-1text-center&

P粉754473468 2023-08-28 17:13:34 0  1  497

JavaScript implements smooth transition from thumbnail to full-width image page

http://manifesto.clapat.com/ If you click on any item on the home page, you will transition from a thumbnail to a full-screen image that will become the title of that item's page. How are these transition effects created and what would be the best way to implement them using internal routing instead...

P粉536532781 2023-09-15 22:09:37 0  1  955

How to automatically add comments to the first line of HTML

Similar to the picture, you cannot see the first line of comments when opening it with an editor. How is this generated?

P粉342138710 2023-02-26 05:30:58 0  2  548

javascript - How to deal with the disconnection of PHP packaged images?

Now there is a need to package pictures into zip compressed packages. Click the 'Package' button to execute ajax. I am using the ZipArchive class that comes with PHP. The problem now is that if there are 10 pictures, when I am halfway through packaging, the computer shuts down. The Internet is offli...

巴扎黑 2017-06-21 10:11:10 0  1  713

PHP: Regular expression to match and replace multiple instances of multiple duplicate matches

I'm looking to write a shortcode system for a gaming community/database where users can add something like ((MagicalSword)) to their content and it will be parsed into a nice link to the related item with inline Thumbnail. This is the code I'm using so far: functioninlineItems($text){$re="/\(\(...

P粉738248522 2024-04-04 15:41:01 0  1  588

In PHP, how to encode the generated verification code image into base64?

PHP server Android client I need to encode the verification code image generated by the server into base64. Note: Instead of generating a display image, the generated image resource is directly encoded into base64 so how to do? ? ? ? ? ? ?

阿神 2017-05-27 17:42:38 0  2  1649

PHP remove orientation exif from image only (without using imagick)

I wrote a script that batch resizes uploaded images locally and creates thumbnails. The problem is if some images are oriented vertically but after resizing they rotate horizontally. This is due to the exif orientation of the image. Is there an easy way to remove orientation exif from an image via P...

P粉141925181 2024-03-27 09:27:01 0  1  456

How to solve the bug of Baidu Sitemap Generator wordpress website map plugin?

Baidu Sitemap Generator wordpress website map plug-in BUG fixed link is: /%category%/%post_id%.html However, the generated map webpage link is incorrect and the column category name is missing. Website map address: http://www.seoshipin.cn/ How should I make sitemap.xml? ?

大海潮涌 2017-10-05 19:53:11 0  0  1095

Why do images and animations disappear when adding a class to the last column?

I'm trying to animate 6 images in an infinite loop. When I add the 6th image and add the "poster" class, no image displays, but if I omit adding the "poster" class to the 6th column (or image), the first 5 images display and animate correctly. I don't understand why this happens....

P粉792026467 2023-08-15 11:29:09 0  1  417

javascript - pie chart position offset in echarts

According to the official example code {code...}, the position of the pie image is always not on the second layer in the center of the parent container (the one generated by echarts itself has begun to be distorted). This is a very distorted result. The subject found that only the type of pie will b...

ringa_lee 2017-06-29 10:09:58 0  1  1351

javascript - When there are too many characters in the legend of echarts, how to change it into an ellipsis?

I am now making an echarts pie chart, in which the legend is dynamically generated. Sometimes more than a dozen texts are sent to the background, and the style is ugly. Now I want to achieve: when the text in a single legend exceeds 8, it will automatically change into "..." ellipsis (as s...

过去多啦不再A梦 2017-05-19 10:19:29 0  3  724

Problem: Images load too slowly

I made a craiglist-like website using Html, Css, Js, and Php. When the user clicks to upload an image larger than 1mb, the page becomes very slow or fails (503 error). There is no problem with images smaller than 100kb. There is a form on a php page with type=file input tag and preview img tag. >...

P粉676821490 2023-08-17 22:40:08 0  1  647

Generate Brocken metadata classes on alpine Docker image via protobuf

A while ago I used an ubuntu image to generate PHP files via protoclib and it generated some metadata classes containing the normal hashes used by protobuf. It is generated as follows: namespaceMyApp\ProtobufMetadata\Schema\v1;classRequest{publicstatic$is_initialized=false;publicstaticfunctioninitOn...

P粉824889650 2024-02-17 15:33:51 0  1  394

symfony3 - Ask the master: How to ignore the table prefix when symfony generates entities from the database

Ask the master: How to ignore the table prefix when generating entities from the database? For example, t_test directly generates Test when generating entity. Is there any way to solve this problem? Thanks! "php bin/console doctrine:mapping:import --force AdminBundle anno...

PHPz 2017-05-16 16:43:49 0  1  716

Is it possible to use nuxt3 with quasar framework

I'm new to nuxt3 and wondering if I can use it with quasar. In particular, quasars have their own SSR systems. Has anyone successfully created a project using these two frameworks? I tried to see if there are any open source projects using these two frameworks but I couldn't find anything useful

P粉741223880 2023-08-25 19:45:05 0  2  607