How to implement multi-table query in thinkPHP framework
This article mainly introduces the method of thinkPHP framework to implement multi-table query, and briefly analyzes the usage and precautions of thinkPHP where in multi-table query in the form of examples. Friends in need can refer to it
The example in this article describes how the thinkPHP framework implements multi-table query. Share it with everyone for your reference, the details are as follows:
We can connect the two tables to query the data together. I now have two tables, one is the feedback table and the member table, as shown in the figure:
General directory:
$where = array(); $where['meiyepin_feedback.member_id'] = "1"; $Model = M('feedback'); $a = $Model ->join('meiyepin_member ON meiyepin_feedback.member_id = meiyepin_member.member_id') ->where($where) ->select(); var_dump($a);exit;
Usage of where:
If the field you want to query only exists in one table, then it is the same as the usual where The usage is the same, but if your query field exists in two tables at the same time, then you need to add the table name , as shown in the above code
. The above is the entire content of this article. I hope it will be helpful to everyone's learning. For help, please pay attention to the PHP Chinese website for more related content! Related recommendations:About the usage analysis of dynamic configuration of thinkPHP framework
The implementation methods of three PHP recursive functions and Realize the accumulation of numbers
The above is the detailed content of How to implement multi-table query in thinkPHP framework. For more information, please follow other related articles on the PHP Chinese website!
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
How to run thinkphp project
Apr 09, 2024 pm 05:33 PM
To run the ThinkPHP project, you need to: install Composer; use Composer to create the project; enter the project directory and execute php bin/console serve; visit http://localhost:8000 to view the welcome page.
There are several versions of thinkphp
Apr 09, 2024 pm 06:09 PM
ThinkPHP has multiple versions designed for different PHP versions. Major versions include 3.2, 5.0, 5.1, and 6.0, while minor versions are used to fix bugs and provide new features. The latest stable version is ThinkPHP 6.0.16. When choosing a version, consider the PHP version, feature requirements, and community support. It is recommended to use the latest stable version for best performance and support.
How to run thinkphp
Apr 09, 2024 pm 05:39 PM
Steps to run ThinkPHP Framework locally: Download and unzip ThinkPHP Framework to a local directory. Create a virtual host (optional) pointing to the ThinkPHP root directory. Configure database connection parameters. Start the web server. Initialize the ThinkPHP application. Access the ThinkPHP application URL and run it.
Which one is better, laravel or thinkphp?
Apr 09, 2024 pm 03:18 PM
Performance comparison of Laravel and ThinkPHP frameworks: ThinkPHP generally performs better than Laravel, focusing on optimization and caching. Laravel performs well, but for complex applications, ThinkPHP may be a better fit.
Development suggestions: How to use the ThinkPHP framework to implement asynchronous tasks
Nov 22, 2023 pm 12:01 PM
"Development Suggestions: How to Use the ThinkPHP Framework to Implement Asynchronous Tasks" With the rapid development of Internet technology, Web applications have increasingly higher requirements for handling a large number of concurrent requests and complex business logic. In order to improve system performance and user experience, developers often consider using asynchronous tasks to perform some time-consuming operations, such as sending emails, processing file uploads, generating reports, etc. In the field of PHP, the ThinkPHP framework, as a popular development framework, provides some convenient ways to implement asynchronous tasks.
How to install thinkphp
Apr 09, 2024 pm 05:42 PM
ThinkPHP installation steps: Prepare PHP, Composer, and MySQL environments. Create projects using Composer. Install the ThinkPHP framework and dependencies. Configure database connection. Generate application code. Launch the application and visit http://localhost:8000.
How is the performance of thinkphp?
Apr 09, 2024 pm 05:24 PM
ThinkPHP is a high-performance PHP framework with advantages such as caching mechanism, code optimization, parallel processing and database optimization. Official performance tests show that it can handle more than 10,000 requests per second and is widely used in large-scale websites and enterprise systems such as JD.com and Ctrip in actual applications.
Development suggestions: How to use the ThinkPHP framework for API development
Nov 22, 2023 pm 05:18 PM
Development suggestions: How to use the ThinkPHP framework for API development. With the continuous development of the Internet, the importance of API (Application Programming Interface) has become increasingly prominent. API is a bridge for communication between different applications. It can realize data sharing, function calling and other operations, and provides developers with a relatively simple and fast development method. As an excellent PHP development framework, the ThinkPHP framework is efficient, scalable and easy to use.
