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- How to perform multi-table link query in thinkphp
- First, we need to understand the basic syntax of multi-table link query statements in ThinkPHP. In ThinkPHP, you can perform multi-table link queries in the following way: Db::table('table1')->alias('t1')->join('table2t2','t1.id=t2.table1_id')- >join('table3t3','t1.
- ThinkPHP 1567 2023-06-02 21:43:34
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- How to install the ThinkPHP verification code plug-in
- First, we need to open the official website of ThinkPHP and search for content related to the verification code. From the search results, we can see some verification code documents and already developed verification code plug-ins. In this article, we will use the officially provided verification code plug-in and integrate the verification code by manually writing code. 1. Use the official verification code plug-in. In the official documentation, we can find how to use the ThinkPHP verification code plug-in. To use the official plug-in, you need to perform the following steps: 1.1 Create a new Verify folder in the extend directory of the ThinkPHP framework and put the downloaded verification code plug-in into it. 1.2 View ThinkPHP configuration
- ThinkPHP 1228 2023-06-02 21:08:37
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- What are the installation steps for ThinkPHP templates?
- 1. First, download the ThinkPHP framework. The ThinkPHP official website provides a complete framework download package. We need to go to the official website (http://www.thinkyisu.com/download.html) to download the latest version of the framework, and then unzip it to the specified directory. . 2. Download the template file. Download the template file from the official website (https://github.com/krissss/thinkphp-template). 3. Unzip the template file to the specified directory. Unzip the downloaded template file and place the decompressed template directory in the root directory of the ThinkPHP framework. 4. Configuration
- ThinkPHP 720 2023-06-02 21:01:36
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- How to implement the select all and delete functions in thinkphp
- 1. Implementation of the select all function 1. In the view file, we need to add a select all button, similar to the following code: Among them, the check_all() function is used to select or cancel all selections: functioncheck_all(obj){ $(':checkbox').prop('checked',$(obj).prop('checked'));} Here, jQuery's selector is used to select all checkboxes and use the prop() method to set their checked Attributes.
- ThinkPHP 703 2023-06-02 19:48:39
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- How to pass parameters in thinkphp D function
- 1. Introduction to D function D function is a commonly used method in ThinkPHP to instantiate model objects. Its syntax format is as follows: D ('model name', 'application name'); among them, the model name is a required parameter. The application name is an optional parameter. If not specified, it defaults to the current application. For example, if we want to instantiate the Blog model, we can use the following code: $Blog=D('Blog'); 2. How the D function passes parameters. In actual development, we may need to pass parameters to a method of the model, to better handle business logic. For example, we need to query if the age is greater than 2
- ThinkPHP 1047 2023-06-02 19:32:09
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- What content has been updated in ThinkPHP version 6.1.2?
- The V6.1.2 version mainly adds PHP8.2 compatibility and ThinkORM3.0 version support. Main updates are compatible with PHP8.2. Remove the Filesystem declaration attribute in the base class. Fix: variable parameter processing when the container binds parameters. Add the setExtension method to the File class to set the actual suffix name of the saved file. ValidateRule annotation adjustment. Fix: caused by multiple parameter types. Error report updated think-orm version dependency support 3.0 ThinkORM 3.0 major update based on PHP8.0 reconstruction fully compatible with version 2.0 updated code specification strict parameter type later versions 6.0 and 6.1
- ThinkPHP 809 2023-06-02 18:31:15
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- How to implement Thinkphp event mechanism
- There are two ways to implement the event mechanism: through listening, through subscription 1. Through listening 1. Create a listening class: Enter the framework root directory in command line mode and execute phpthinkmake:listener. For example: phpthinkmake:listenerUserListener will be in \app\listener after execution. \Generate the UserListener class under. 2. Configure listening: Configure the UserListener class in the listen array of the file \app\event.php, as follows: 'listen'=>['testEv
- ThinkPHP 974 2023-06-02 17:37:22
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- How to uninstall ThinkPHP5
- 1. Back up data Before uninstalling the framework, we first need to back up the data used by the framework. If you don't know how to back up data, you can back it up through MySQL database management tools, such as Navicat. After the backup is complete, we can now start the official ThinkPHP5 uninstallation. 2. Delete files. Delete the application folder. All files related to the ThinkPHP5 application are stored in the application folder. If you need to uninstall the framework, you need to delete this folder. In a production environment, this file will basically be in the /var/www/html or /www directory. You can use the ssh tool to log in to your server and then enter
- ThinkPHP 1339 2023-06-02 16:52:23
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- thinkphp how to clear logs
- 1. Understand ThinkPHP logs. During the use of ThinkPHP, the following two types of logs will be generated: 1. System logs: stored in the log folder under the runtime directory, including request logs, exception logs, etc. 2.SQL log: stored in the sql folder in the runtime directory, recording detailed information about SQL execution. 2. Clear ThinkPHP logs. Clearing ThinkPHP logs can be done in the following two ways: 1. Manually clearing logs. Manually clearing logs is relatively simple and easy to understand. You only need to find the log and sql folders in the runtime directory and directly delete all the files in the folders. Just delete it. 2. Set up a regular schedule
- ThinkPHP 1354 2023-06-02 14:46:33
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- Does thinkphp5 have paging class?
- thinkphp5 is an excellent PHP framework that supports its own paging class to facilitate us to paginate data. The specific implementation method is as follows: 1. Obtain the total number of records. Before querying the data, we need to obtain the total number of records in order to determine the number of pages for data paging. The method to obtain the total number of records is as follows: $count=Db::name('table')->count(); where table represents the name of the data table you want to query, and the count() method can obtain the total number of records in the data table. . 2. Paging implementation After obtaining the total number of records, you can use the paging method to perform paging. thinkphp5 provides by default
- ThinkPHP 1167 2023-06-02 11:22:13
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- thinkphp5 how to update unchanged data to 0
- ThinkPHP5 is an open source PHP framework that can greatly improve the efficiency of web application development. Among them, operations involving data query, insertion, update, deletion and other operations are one of the most frequently used parts. This article will discuss how to update unchanged data to 0 when data is updated using the ThinkPHP5 framework. In ThinkPHP5, it is very convenient to use ORM object relational mapping for data operations. When updating data, we usually use the save() method of the model object to complete the data update operation. However, using the save() method, if a field is not modified in the form, the value of the field will not be updated. Give an example
- ThinkPHP 982 2023-06-02 10:47:08
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- What is the organizational structure of the thinkphp folder?
- In the process of developing using the ThinkPHP framework, the folder organization structure is very important. Because a good organizational structure can make your code clearer and easier to read and improve development efficiency. The folder organization structure of the ThinkPHP framework is as follows: ├─application//Application directory │├─command//Console command (new after version 3.2) │├─common//Public module directory │├─config//Configuration file directory │├─control
- ThinkPHP 1478 2023-06-02 09:47:06
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- How to set up thinkphp model
- Models in thinkphp are created by inheriting the think\Model class. After inheriting this class, we can use the many functions and properties it provides to interact with the database. Below, we will introduce the settings of the thinkphp model from the following aspects. The database connection setting is in thinkphp. We can set the connection information with the database through the database.php file in the application directory. This file contains all database-related configurations, such as host name, user name, password, database name, etc. For details, please refer to the following code: return[//Default database
- ThinkPHP 1264 2023-06-02 08:37:44
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- How to hide entry files in thinkPHP5
- 1. Environment preparation Before URL hiding, we need to first check whether the local environment supports the pseudo-static function and URL rewriting function, so that the URL hiding operation can be carried out smoothly. First, we must ensure that a web server such as Apache or Nginx is installed, and then enable pseudo-static and URL rewriting functions in the configuration file, so that the framework can recognize and generate beautified URLs. 2. Enable URL hiding and open the configuration file. In the configuration file of thinkPHP5, find the app.php file, find the url_html_suffix configuration item, and set it to an empty string, that is: 'url_html_suffix'
- ThinkPHP 1398 2023-06-02 08:13:25
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- How to use ThinkPHP to build a website
- 1. Install ThinkPHP. Download the latest version of ThinkPHP framework file from the official website. Extract the downloaded compressed package to the web directory and rename it to "thinkphp". Create a new site in the web directory (such as "myproject"). Copy the unzipped files to the "myproject" directory. Modify the index.php file in the "myproject" directory. Access "myproject/index.php" and "Hello, ThinkPHP!" is displayed, indicating that the framework code is running normally. 2. Build an MVC framework. Build a suitable MVC framework based on specific business needs.
- ThinkPHP 2461 2023-06-01 19:08:30
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