How to configure the database connection pool in thinkphp
1. What is a database connection pool? Traditional database connections are a way of monopolizing resources. Each connection consumes system resources. If there are many concurrent users, it will lead to problems such as waste of system resources and response delays. The database connection pool is a method of connection sharing that caches connections into the connection pool. Multiple threads can share connections in the same connection pool, thereby reducing the consumption of system resources. 2. How to configure the database connection pool in thinkphp 1. Add the following content in the application configuration file return[//Database configuration information 'database'=>[//Database type 'type'=>
May 28, 2023 pm 06:43 PM
How to configure ThinkPHP files
1. The common configuration method is to add the following configuration parameters to database.php under the application directory or module directory: return[ //Database type 'type'=>'mysql', //Database connection DSN configuration 'dsn'= >'', //Server address 'hostname'=>'127.0.0.1', /
May 28, 2023 pm 06:40 PM
How to check the version of thinkphp framework in the system
Method 1: View the framework Readme file In the root directory of the ThinkPHP framework, you can find a file named "README.md". This file contains some basic information about the current version. You can open this file to view the ThinkPHP framework version on your system. Method 2: View ThinkPHP core files ModernPHP applications often use Composer to manage dependencies, which includes the ThinkPHP framework. In your project, you can use Composer to view the versions of dependencies. You can also use a file browser to view the ThinkPHP framework version on your system. In the framework's directory,
May 28, 2023 pm 06:31 PM
How to perform sum calculation in ThinkPHP
First, we need to understand the two core concepts in ThinkPHP: model and controller. The model represents the data model of the application, and the controller represents the control logic of the application. In order to perform summation calculation, we need to introduce the corresponding model in the controller method and perform the summation operation. Specifically, we can follow the following steps. Create a new controller method to implement the sum calculation. We can define a new method in the corresponding controller, such as the sum() method. In the sum() method, the data model that needs to be calculated is introduced. Typically, we need to query the model for the data that needs to be summed and then pass it to the controller for calculation. Process the data passed in
May 28, 2023 pm 05:40 PM
How to install ThinkPHP plug-in in Weiqing
1. Download the ThinkPHP plug-in. First, we need to download the compressed package of the ThinkPHP plug-in from the official website and extract it to a local directory. After decompression, we can see the following file structure: thinkphp/├─library/│└─think/│├─cache/│├─console/│├─controller/│├─core/│├─crypt/│├─ db/│├─debug/│├─di/│├─event/│
May 28, 2023 pm 05:22 PM
How to use the m method in thinkphp
The m method in thinkphp is the abbreviation of Model method. Model is the implementation of data in an application. It is usually used to operate the database and persist data into the database. In the thinkphp framework, the Model class provides methods for operating the database, which can quickly and easily complete operations such as additions, deletions, modifications, and searches. Using the m method of thinkphp, you can easily operate the Model class and read and write the database. The basic syntax of the m method is: $model=M('table'); where 'table' is the name of the table in the database, which can be a string or a variable. The M method has multiple parameters, the first parameter is a number
May 28, 2023 pm 05:13 PM
What are the reasons for upgrading thinkphp3 to thinkphp5?
1. New functions and advantages ThinkPHP5 has significantly improved new functions and performance advantages compared to ThinkPHP3. The most obvious one is that the core of the framework adopts a more advanced namespace management mechanism, which can greatly improve the readability and maintainability of the code. In terms of performance advantages, ThinkPHP5 supports more efficient file caching and static caching, which greatly improves the system's response speed. In addition, ThinkPHP5 also introduces modular development based on Composer, which supports more flexible module definition and module calling, which can well meet the needs of large projects. 2. Blog System Case Below we take the blog system as an example to compare ThinkPHP3
May 28, 2023 pm 03:47 PM
How to refresh the page in thinkphp
1. The basic meaning of page refresh In the process of website development, page refresh refers to reloading the page based on the current page. After refreshing, re-obtain the data and update the page display. Page refresh is generally divided into two categories: front-end refresh and back-end refresh. Front-end refresh generally implements automatic or manual page refresh, which can be achieved using front-end technologies such as JavaScript, HTML, and CSS. The back-end refresh is generally completed on the server side, which requires writing back-end scripts or using ajax and other technologies. 2. Implementation method of front-end refresh in thinkphp It is quite simple to implement front-end refresh in thinkphp. Partial refresh can be achieved using jQuery's load() method. $(do
May 28, 2023 pm 02:22 PM
How to implement distributed application system in ThinkPHP
1. What is a distributed application system? A distributed application system refers to an application system composed of multiple machines. Each machine in the system has its own resources and availability level. Different machines can expand the resource capacity of the system, and can also improve the system's availability and ability to cope with high traffic, thereby ensuring the scalability and stability of the system. 2. How to implement database sub-database and sub-table in a distributed application system. Database sub-database and sub-table are an important method to implement a distributed application system. Usually a database is divided into multiple independent databases, each database has its own data table structure, data index, storage allocation, etc. In this way, system data can be stored through databases distributed on multiple machines to improve system concurrency.
May 28, 2023 pm 01:17 PM
How to use query method in ThinkPHP5
1. How to use the query sum In ThinkPHP5, the query sum can be achieved by using the query and sum methods. Among them, the query method is used to construct a SQL statement, and the sum method is used to execute the SQL statement and retrieve the sum in the query result. Specifically, the query sum is used as follows: //Import the namespace usethink\Db;//Construct the SQL statement $result=Db::query('SELECTSUM(column_name)AStotalFROMtable_name');//Get out the query results and $sum=$result[0][&
May 28, 2023 pm 12:46 PM
How to add layui to thinkphp5 to implement image upload function
Many forms on the website will be used to upload pictures, logos, photos, and users will also upload pictures. At this time, the website needs a function to upload pictures, and after uploading, it is hoped that you can preview it to see if it is uploaded correctly. thinkphp5 adds layui to implement the image upload function (with image preview), asynchronously transmits the image and previews it, returns the asynchronously uploaded value to the hidden field of the form and then submits it. 1. Import the file. First, you need to import the jQuery file. This is necessary. 2. HTML part: Upload images.
May 28, 2023 am 11:13 AM
What is the reason why thinkphp Apache routing cannot be accessed and how to solve it
1. Cause Analysis In the process of using ThinkPHP to develop websites, we often use the routing function. Routing is divided into two methods: static routing and dynamic routing, and Apache routing is a type of dynamic routing. When we use Apache routing, sometimes we encounter inaccessibility. There are many reasons for this situation. Here are some of the main reasons: Rule definition errors When using the routing function, we need to define routing rules. If the rules are incorrectly defined, the route will become inaccessible. For example, if a parameter is omitted when defining a rule, or if the parameter is written incorrectly, Apache routing cannot be accessed normally. .htaccess file configuration problem.htaccess file is
May 28, 2023 am 09:37 AM
How to use thinkphp framework to implement login function
Step 1: Create a login page First, you need to create a login page, which should contain username and password fields and a "Login" button. The page should be built using HTML and Bootstrap and defined in the view path. Here is an example: LoginLoginUsername:
May 27, 2023 pm 10:51 PM
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