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Technical Articles

PHP Framework

ThinkPHP

Example analysis of how to modify data in thinkphp3.2

In thinkphp3.2, modifying data is a common operation. This article will introduce how to modify data in thinkphp3.2. First, we need to prepare a sample data table. Suppose we have a data table named `book` with the following structure: ```id int(11) NOT NULL AUTO_INCREMENT,name varchar(255) COLLATE utf8_unicode_ci NOT NULL,auth

Apr 07, 2023 am 09:25 AM

How to set path variable in ThinkPHP framework

ThinkPHP is an open source PHP framework based on MVC architecture, which provides developers with rich development tools and rapid development efficiency. When developing using the ThinkPHP framework, you often need to set variables such as files and paths. This article will introduce how to set path variables in the ThinkPHP framework. 1. Set the application directory. In the ThinkPHP framework, the application directory is a very important variable, which represents the root directory of the application. By setting the application directory, you can make it easier for the framework to access various configurations of the application.

Apr 07, 2023 am 09:25 AM

How to make controller jump in ThinkPHP framework

ThinkPHP is an excellent PHP development framework. Based on the MVC development model, it provides complete routing management functions, allowing us to map different URL requests to different controllers and operation methods by configuring routing rules, thereby achieving flexible front-end and back-end Separate design. This article will introduce how to perform controller jumps in the ThinkPHP framework to implement page jumps and parameter passing functions. 1. Use the redirect method of the Contorller object to implement jump. In ThinkPHP, you can use Cont

Apr 07, 2023 am 09:25 AM

How to set current page pagination in ThinkPHP 3.2

ThinkPHP 3.2 is a powerful open source PHP framework. During the development process, the paging function is often used. This article will focus on how to set current page pagination in ThinkPHP 3.2. First, you need to define the amount of data displayed on each page in the controller (the default is 20), and get the current page number. You can get the current page number through `I('p',1)`. If no parameters are passed, it defaults to page 1. ```phppublic function getLi

Apr 07, 2023 am 09:25 AM

How to solve the problem that thinkphp cannot delete data

Recently, a friend encountered a strange problem when using the ThinkPHP framework: data could not be deleted. This made him very confused, because he clearly used the deletion method provided by the framework, but could not delete the data. After trying a variety of methods, he finally found a solution and would like to share it with everyone. First, let us understand how ThinkPHP deletes data. In ThinkPHP, there are two ways to delete data: delete() and where()->delete(). wheredel

Apr 07, 2023 am 09:25 AM

Summarize thinkphp's method of implementing big data analysis

With the advent of the big data era, more and more companies are beginning to realize that more business value can be obtained through data analysis. Among them is a very important data analysis technology - big data analysis. When implementing big data analysis, thinkphp is a very suitable tool. 1. What is thinkphp? Thinkphp is an open source framework based on the PHP language. Its main function is to provide developers with an efficient, safe, and simple development model so that developers can build high-quality Web applications faster. thin

Apr 07, 2023 am 09:25 AM

Let's talk about how to ensure the uniqueness of data in thinkphp

In applications developed based on thinkphp, data duplication is one of the key points we need to pay attention to. During the process of adding, deleting, modifying and checking data, we need to ensure that there will be no duplicate data. In order to solve this problem, we can use various methods to achieve non-duplication of data. 1. Database constraints Database constraints are rules defined when designing a database to ensure the validity and consistency of data. Common database constraints include primary keys, unique keys, foreign keys, etc. Among them, unique keys can be used to ensure that data is not duplicated. In thinkphp, you can

Apr 07, 2023 am 09:25 AM

How to encapsulate Layui in ThinkPHP

ThinkPHP is a very excellent PHP development framework, and layui is a very popular front-end framework that is used in many projects. Therefore, this article will introduce how to encapsulate Layui in ThinkPHP. 1. Why encapsulate Layui in ThinkPHP? In actual development, we often use the Layui framework to achieve front-end effects. However, there are many problems when using Layui directly in projects, such as the front-end code and the back-end code are mixed together, making it difficult to Maintenance and not fitting in with the team

Apr 07, 2023 am 09:25 AM

How to install ThinkPHP plug-in in WeQing

WeQing is a very excellent PHP open source WeChat public account management system. It provides rich functions and user-friendly interface, and is deeply loved and used by the majority of developers. In WeQing, we can expand the functions of the system by installing plug-ins. Among them, the ThinkPHP plug-in is one of the most commonly used plug-ins. This article will briefly introduce how to install the 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

Apr 07, 2023 am 09:25 AM

How to query duplicate data in thinkphp database

Database operations are a very important part when developing web applications. One of the key skills is querying duplicate data. In this article, we will introduce how to use the ThinkPHP framework to query duplicate data in the database. First, let's assume you already have a database table. Suppose we have a table called students with the following fields: id, name, and age. Now, we want to find out which students' names are duplicated in the database. Using ThinkPHP, you can easily query heavy items from a table

Apr 07, 2023 am 09:25 AM

A brief analysis of the relevant knowledge of path replacement in thinkphp

When using thinkphp, we often need to replace the path in order to better organize the code and implement functions. This article will introduce the relevant knowledge of path replacement in thinkphp and how to perform path replacement. What is path substitution? Path substitution refers to using some specific variables to replace the path in thinkphp, which is more convenient and flexible during development and debugging. Path replacement in thinkphp is mainly implemented through three variables, namely __APP__, __PUBLIC__ and __ROOT

Apr 07, 2023 am 09:25 AM

Let's talk about how to use the JSON method in thinkphp5

JSON method in ThinkPHP5 With the popularity of Web applications, the use of AJAX technology is becoming more and more widespread. JSON (JavaScript Object Notation) is a popular data format when dealing with front-end and back-end data interaction. In the ThinkPHP5 framework, JSON operations are very simple. This article will introduce how to use the JSON method in ThinkPHP5. 1. Introduction to Json operations In PHP, to convert an array into data in JSON format, you only need to use json_encode

Apr 07, 2023 am 09:24 AM

How to solve the problem that the verification code is not displayed in thinkphp3.2

Recently, when using ThinkPHP3.2, I sometimes encounter the problem that the verification code does not display. How should we solve this situation? This article will share some solutions with you. First, we need to understand how the verification code is generated. In ThinkPHP, verification codes are generated by instantiating a Verify class, which generates a random verification code image based on specified parameters and saves the verification code value to the session. We can call the verification code generation method through code similar to the following

Apr 07, 2023 am 09:24 AM

How to customize the homepage of thinkphp

ThinkPHP is a very excellent PHP open source framework. It is efficient, flexible and concise and is widely used in PHP projects. When using ThinkPHP for project development, changing the homepage is a common requirement. This article will introduce how to change the homepage of ThinkPHP. ## 1. Default homepage First, let us take a look at ThinkPHP’s default homepage. We usually enter the project domain name or IP address in the browser address bar to access the project's default homepage. this

Apr 07, 2023 am 09:13 AM