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Show div based on selected element value using JavaScript and CSS

I'm trying to show one div and hide other divs when the selected element holds the corresponding value. I created a select element with 4 options, the default value is empty, and the other three options are: down, up, and up. I've placed three hidden div elements below that contain the content for e...

P粉286046715 2023-09-06 13:23:48 0  2  619

How does tp5 implement a template request function based on ID and return the name of the requested ID?

How does tp5 implement a template request function based on the ID and return the name of the requested ID [product table]: product-----------------------id | name1 | PC website 2 | Mobile website 3 | Mini program-----------------------[Customer table]: client------------- -----------------------id ...

“橙”-景安服務器** 2018-06-05 14:24:37 0  2  1402

How does the online book management system allow users to find and operate their own data tables based on usernames?

For example, in an online book management system, if users perform addition, deletion, modification, and search operations, how can the user generate a data table of his own for each addition, deletion, modification, and search operation after successfully registering? How can the user find the corr...

phpcn_u30422 2018-08-23 22:16:49 1  1  1697

PHP's latest plug-in backend management system is really easy to use. I recommend it~

OneKeyAdmin is a background management system written based on Thinkphp6+Element. The installation package is 7MB in size and has the function of one-click code generation, quick addition, deletion and modification without writing pages, resource management, permission management, universal membersh...

MUKE 2022-06-13 14:18:25 0  2  1782

Why doesn't displaying the grid using a grid template area work?

I'm trying to achieve element arrangement via grid template area but it doesn't work. I'm trying to use a grid system to arrange blocks vertically and horizontally. Use the picture on the left and the text on the other side. Why doesn't this code work? .news__wrapper{display:grid;grid-template-areas...

P粉541796322 2023-09-09 16:28:13 0  1  849

javascript - vue+vue-router+vuex+axios+elementUI uses the background management interface to report an error when clicking the menu after refreshing it

The requirement is to build a backend management interface with related functions of permission management. The relevant idea is based on the article addRoutes to implement the backend management function. The specific method is to return the permissions owned by the role in the backend when logging...

天蓬老師 2017-06-12 09:30:35 0  3  2675

Add count (.length) of each item in options of v-select

I want to add course.length from api to each item option on v-select and display the data to activity based filter. For example: items in v-select contain options all(count), passed(count), notcomplete(count) filtered from online.passed, etc. filtered from online.complete. vue.js template:<templa...

P粉197639753 2024-03-31 21:05:16 0  1  660

sql - thinkphp data (set) filtering problem

The scenario is roughly like this. The database has fields A and B, and then C = A - B, and D is judged and displayed based on the value of C. Neither C nor D are database fields. The problem is that my template uses Ajax. It could have been The value of C is directly determined in the template, but...

大家講道理 2017-05-16 13:13:47 0  3  413

javascript - Is there a plug-in for multi-select drop-down grouping based on vue?

Then the UI framework I used was element-ui1.2.9 and found that it did not provide such a component. Let's see if there is such a multi-select drop-down grouping plug-in based on vue!

PHP中文網(wǎng) 2017-05-19 10:20:09 0  2  701

node.js - Express build project 404

1. Created a project with express4, and its default "/" and "/users" paths can be accessed, so add the path and path file based on its entry file, and create the corresponding ejs template. As a result, the homepage can be accessed. And can connect to the style file normally, and...

大家講道理 2017-05-24 11:38:45 0  2  888

Ask the experts for advice: How to set PHPStudy parameters to practice using PHP website template documents and view the results in the browser?

I downloaded a simple php website template from the Internet and want to practice based on this template. After configuring with PHPStudy, I want to see the website effect through the browser. The configuration seems to be unsuccessful. Do you have any experience in this area? What parameters need t...

Ocean Blue 007 2020-03-22 12:09:49 0  0  1061

javascript - vue's element-ui (are you hungry UI) externals cannot be separated when webpack is packaged?

The project is a multi-page website based on vue-cli. Because element-ui is packaged into vendor, vendor becomes very large, so I want to reference it to html in the form of script tags and exclude element-ui when packaging in webpack. My webpack is configured with externals { Code...} Other moment ...

漂亮男人 2017-07-05 11:03:44 0  1  1480

No need to subscribe to Observable, an imperative way to edit reactive form data in Angular

Here's the process I've been using to subscribe and update a reactive form based on observable data. Maybe there is a way to solve the problem without subscribing to the observable and changing the value. @Component({selector:'app-my-component',template:`<form[formGroup]="myForm"><...

P粉587970021 2024-03-29 18:37:15 0  1  466

How to apply the correct element plus message box style?

This is what the element plus message box looks like on a minimal page I built: I want it to look like the one in the element-plus document. I use Vue with vite and ElementPlus. I copied the settings from vite and elementplus documentation. I played with a lot of other elements and they all rendered...

P粉052724364 2023-11-23 11:06:50 0  2  838

laravel - Design issues about enterprise internal system architecture design

The company currently has about 500 employees and is considering implementing some management systems. Already online is HRMS (which stores basic employee information and also involves some basic personnel processes), which is developed based on Laravel 5.2. I didn’t expect so much when it was origi...

曾經(jīng)蠟筆沒有小新 2017-05-16 16:49:45 0  1  851

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 0  0  923

Prisma room management system

I'm trying to create a database for a room management system but I'm confused about the relationships and can't find helpful resources on the internet, can you tell me if there's something wrong with this prisma script? Because I want to control it in expressJs and make an application based on it ge...

P粉819937486 2024-03-30 18:46:05 0  1  867

Why does transitioning from width: 100% cause the transition to jump?

I made a JSFiddle to reproduce this issue. I'm trying to make a grid element grow on hover, but it causes this weird issue where it goes underneath another grid element and then jumps the way I expect it to. Why does this happen? Is there a way to solve? .container{height:100vh;width:100vw;display:g...

P粉769045426 2023-09-13 14:24:30 0  2  600

Rewrite the title to: VueJS responsive element with one item set to true and all others set to false

I'm developing an application using VueJS's composition API. I have set up a responsive element as shown below constsections=reactive({section1:true,section2:false,section3:false,section4:false,section5:false,section6:false}) when every button on the page is When clicked, I want to show and hide ind...

P粉786800174 2023-08-28 20:55:03 0  1  663

In SQL templates, Airflow's XCom returns values ??as double quoted strings while Snowflake uses single quoted strings in SQL queries

I'm new to ETL and working on airflow and snowflakes. I use a python operator to get the maximum created value from a mysql table and based on the xcom of that operator I create a csv file of snowflake data to dump only the latest created data from mysql to snowflake. The problem is when I extract t...

P粉043470158 2024-02-25 15:36:12 0  1  623