PHP实现上一篇、下一篇的代码
欢迎进入Linux社区论坛，与200万技术人员互动交流 >>进入 主页是index.php;传递的值是id（数据库的主键）；文章的数据库是article,其中文章标题的列是title 代码： ?php $queryset_former = mysql_query（$sql_former）； //执行sql语句 if（mysql_num_rows
欢迎进入Linux社区论坛，与200万技术人员互动交流 >>进入
主页是index.php;传递的值是id（数据库的主键）；文章的数据库是article,其中文章标题的列是title
代码：
$queryset_former = mysql_query（$sql_former）； //执行sql语句
if（mysql_num_rows（$queryset_former））{ //返回记录数，并判断是否为真，以此为依据显示结果
$result = mysql_fetch_array（$queryset_former）；
//
$queryset_later = mysql_query（$sql_later）；
if（mysql_num_rows（$queryset_later））{
$result = mysql_fetch_array（$queryset_later）；
?>
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
AI Hentai Generator
Generate AI Hentai for free.
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
1377
52
Unable to log in to mysql as root
Apr 08, 2025 pm 04:54 PM
The main reasons why you cannot log in to MySQL as root are permission problems, configuration file errors, password inconsistent, socket file problems, or firewall interception. The solution includes: check whether the bind-address parameter in the configuration file is configured correctly. Check whether the root user permissions have been modified or deleted and reset. Verify that the password is accurate, including case and special characters. Check socket file permission settings and paths. Check that the firewall blocks connections to the MySQL server.
How to solve mysql cannot be started
Apr 08, 2025 pm 02:21 PM
There are many reasons why MySQL startup fails, and it can be diagnosed by checking the error log. Common causes include port conflicts (check port occupancy and modify configuration), permission issues (check service running user permissions), configuration file errors (check parameter settings), data directory corruption (restore data or rebuild table space), InnoDB table space issues (check ibdata1 files), plug-in loading failure (check error log). When solving problems, you should analyze them based on the error log, find the root cause of the problem, and develop the habit of backing up data regularly to prevent and solve problems.
Can mysql run on android
Apr 08, 2025 pm 05:03 PM
MySQL cannot run directly on Android, but it can be implemented indirectly by using the following methods: using the lightweight database SQLite, which is built on the Android system, does not require a separate server, and has a small resource usage, which is very suitable for mobile device applications. Remotely connect to the MySQL server and connect to the MySQL database on the remote server through the network for data reading and writing, but there are disadvantages such as strong network dependencies, security issues and server costs.
Unable to access mysql from terminal
Apr 08, 2025 pm 04:57 PM
Unable to access MySQL from the terminal may be due to: MySQL service not running; connection command error; insufficient permissions; firewall blocks connection; MySQL configuration file error.
The Future of PHP: Adaptations and Innovations
Apr 11, 2025 am 12:01 AM
The future of PHP will be achieved by adapting to new technology trends and introducing innovative features: 1) Adapting to cloud computing, containerization and microservice architectures, supporting Docker and Kubernetes; 2) introducing JIT compilers and enumeration types to improve performance and data processing efficiency; 3) Continuously optimize performance and promote best practices.
PHP vs. Python: Understanding the Differences
Apr 11, 2025 am 12:15 AM
PHP and Python each have their own advantages, and the choice should be based on project requirements. 1.PHP is suitable for web development, with simple syntax and high execution efficiency. 2. Python is suitable for data science and machine learning, with concise syntax and rich libraries.
Monitor MySQL and MariaDB Droplets with Prometheus MySQL Exporter
Apr 08, 2025 pm 02:42 PM
Effective monitoring of MySQL and MariaDB databases is critical to maintaining optimal performance, identifying potential bottlenecks, and ensuring overall system reliability. Prometheus MySQL Exporter is a powerful tool that provides detailed insights into database metrics that are critical for proactive management and troubleshooting.
What is the most use of Linux?
Apr 09, 2025 am 12:02 AM
Linux is widely used in servers, embedded systems and desktop environments. 1) In the server field, Linux has become an ideal choice for hosting websites, databases and applications due to its stability and security. 2) In embedded systems, Linux is popular for its high customization and efficiency. 3) In the desktop environment, Linux provides a variety of desktop environments to meet the needs of different users.
