


Looking for a master in cascading relationships and databases. . . Please help_html/css_WEB-ITnose
Cascade, database
A piece of our project team that I am responsible for is now encountering a problem, and I would like to ask for a good method
The problem is: there is a button, after clicking it it is The registration page registers a piece of data to the database, but we need to select a detailed area, including states, countries, and cities. Think about how many continents there are in the world! There are many countries under the continent, and the countries include many cities. How do we Make it easy for customers to locate quickly! Is it the way to choose the drop-down menu cascade? But the amount of data is also huge! If we use fuzzy query, how should we design our database?
Reply to the discussion (solution)
Oh, this thing is really big. I have written one before, and it was very poorly written, but I found a good one If you need a demo, I’ll send it to you
It’s quite troublesome! If you have a good one, you can send it to me. . . I'll try it first. .
Send it to my email: Web_blue@163.com

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

HTML is suitable for beginners because it is simple and easy to learn and can quickly see results. 1) The learning curve of HTML is smooth and easy to get started. 2) Just master the basic tags to start creating web pages. 3) High flexibility and can be used in combination with CSS and JavaScript. 4) Rich learning resources and modern tools support the learning process.

HTML defines the web structure, CSS is responsible for style and layout, and JavaScript gives dynamic interaction. The three perform their duties in web development and jointly build a colorful website.

WebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.

AnexampleofastartingtaginHTMLis,whichbeginsaparagraph.StartingtagsareessentialinHTMLastheyinitiateelements,definetheirtypes,andarecrucialforstructuringwebpagesandconstructingtheDOM.

GiteePages static website deployment failed: 404 error troubleshooting and resolution when using Gitee...

The Y-axis position adaptive algorithm for web annotation function This article will explore how to implement annotation functions similar to Word documents, especially how to deal with the interval between annotations...

HTML, CSS and JavaScript are the three pillars of web development. 1. HTML defines the web page structure and uses tags such as, etc. 2. CSS controls the web page style, using selectors and attributes such as color, font-size, etc. 3. JavaScript realizes dynamic effects and interaction, through event monitoring and DOM operations.

To achieve the effect of scattering and enlarging the surrounding images after clicking on the image, many web designs need to achieve an interactive effect: click on a certain image to make the surrounding...
