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- How to use thinkphp5 to print error SQL statements to the log
- 1. Causes of erroneous SQL statements Errors in SQL statements are difficult to avoid in applications. These errors are sometimes difficult to identify. Use thinkphp5 to capture and handle these errors in a more elegant way. During development, incorrect SQL statements may be caused by the following reasons: SQL syntax errors SQL syntax errors are usually caused by incorrect or incomplete written SQL statements. This is one of the most common mistakes as even the most experienced developers make syntax mistakes. Database connection problems Database connection problems may cause the application to be unable to connect to the database, resulting in SQL statement errors. Such problems are usually caused by incorrect database settings and the database server not being started.
- ThinkPHP 2026 2023-06-01 19:08:24
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- What are the differences between thinkphp and vuejs
- 1. Framework type ThinkPHP is a back-end framework, which is developed based on PHP language and provides a series of shortcut methods and functions, allowing developers to develop Web applications more conveniently and efficiently. Vue.js is a front-end framework that is developed based on JavaScript language and provides a series of components and functions, allowing developers to develop interactive and high-performance web applications more conveniently and quickly. 2. Framework Purpose The main purpose of ThinkPHP is to provide API interfaces, logic for processing data, and operations on the database. It has a good MVC architecture and RESTful style, which facilitates modular and scalable development for developers. Vue.js is mainly used
- ThinkPHP 826 2023-06-01 16:05:44
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- How to turn off the cache in thinkphp5.1
- How to turn off the cache in thinkphp5.1: 1. Find the "\ThinkPHP\Common\convention.php" and "\ThinkPHP\Common\debug.php" files; 2. Modify the content in debug.php to "'TMPL_CACHE_ON' => false,"; 3. Modify the content in convention.php to "'ACTION_CACHE_ON'=>false,". Turn off the cache when developing Thinkphp: Because it needs to be modified frequently during development, from
- ThinkPHP 1663 2023-06-01 14:55:06
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- How to query certain fields in ThinkPHP
- In ThinkPHP, querying certain fields is very simple. First, we need to use the field() method in the Model class. This method allows us to specify the fields to query. For example, we have a table called users, which contains fields such as id, name, and email. We can use the following code to query the user's name and email: $users=M('users')->field('name,email')->select(); In the above code, the M() method is used to obtain A model object. We can use this model object to perform
- ThinkPHP 1755 2023-06-01 14:28:37
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- How to change the password of email in thinkphp
- 1. Basic preparation Before using the mailbox password change function under the thinkphp framework, we need to complete the following preparations: Install the PHPMailer plug-in PHPMailer is a classic email sending plug-in that can send and receive emails, send attachments, etc. We need to install it Used in thinkphp framework. To configure email information in the config.php file, we need to configure the corresponding email information in the config.php file, including SMTP server, email username, password, etc. To write the email password change page, we need to display the email password change related pages and implement the email password change through the call of the controller. 2. Writing
- ThinkPHP 1202 2023-06-01 11:43:06
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- How to do paging in thinkphp
- 1. Code implementation in the controller In the controller method, we can implement the data paging function through the built-in paging class \think\paginator\driver\Bootstrap of the TP framework. We can first query the data to be paging, then pass the query results to the paging class, and then call the render() method of the paging class. The following is an example of controller code: use\think\paginator\driver\Bootstrap;publicfunctionindex(){//Query article list data $articles=Db::nam
- ThinkPHP 1096 2023-06-01 09:13:22
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- How to use the modification function of ThinkPHP automatic verification
- 1. Introduction to ThinkPHP automatic verification ThinkPHP automatic verification is a set of verification mechanisms built into the framework. It can perform data verification by setting verification rules and error prompts in the model and combining it with actual scenarios in the controller. Using automatic verification can avoid the tedious manual verification process and improve development efficiency. At the same time, when the data is illegal, automatic verification will directly return error information, thus reducing our error handling code. The basic usage of ThinkPHP automatic verification is as follows: Define validation rules and error messages in the model: protected$_validate=array(//Verify whether the user name is legal
- ThinkPHP 1148 2023-06-01 08:22:30
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- How to solve thinkphp cannot access the controller
- 1. Check the file path First, you need to check whether your controller file path is set correctly. In the ThinkPHP framework, the controller file is located in the "Application" folder under the project directory. If you customize the file path, then you need to ensure that your custom path can also be accessed correctly. 2. Check whether the routing is correct. If there is no problem with the file path, then you need to check whether there is a routing setting problem. In the ThinkPHP framework, the routing file is located in the "Application/Conf" folder under the project directory, usually the "route.php" file. Routing issues may prevent you from accessing the controller. For example, if your route
- ThinkPHP 1578 2023-06-01 08:10:21
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- How to solve the problem that ThinkPHP6.0 logs are not output to files
- Problem description: A log is output in TP6 usethink\facade\Log;Log.debug ("This is a log"). Obviously the default output configured in config/log.php is file, and other codes are also used normally in the exception handling file app/ExceptionHandle. Used in .php, if you want to output error information to a file to facilitate debugging, find bugLog::error($e); it is directly output to the output stream and returned to the front end {code:-1,msg:'error',data:null }{} causes json parsing to fail. The solution will be different.
- ThinkPHP 1854 2023-05-31 22:37:04
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- How to solve the problem of thinkphp add operation failure
- First, we need to understand the add operation in ThinkPHP. In ThinkPHP, we can use the M() function to instantiate a model class, and then use the add method to add a data record. Under normal circumstances, the add operation will return the primary key value of the successfully added record. If the return value is empty, it means that the add operation failed. So, why does the add operation fail? Usually, the main reasons for the failure of the add operation are as follows: Data verification failure. Before performing the add operation on the data, we usually perform data verification operations to ensure the integrity and validity of the data. If data validation fails, the add operation will be interrupted, causing failure. so I
- ThinkPHP 1587 2023-05-31 22:29:30
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- How to solve the problem that thinkphp query results cannot be saved
- 1. Database connection problem If the query results cannot be saved, the first thing to confirm is whether the database connection is normal. Here, we can check whether the database connection is normal in the following ways: Check whether the database connection information is correct. When using thinkphp to query, you must ensure the correctness of the database connection information, including database server address, database name, and user name. , password, etc. If any of these items are entered incorrectly, the database connection will fail and the query results cannot be saved. Check whether the database server is running normally. If the database server is down or restarted, the database cannot be connected normally and the query results cannot be saved. In this case, we need to check
- ThinkPHP 814 2023-05-31 22:13:45
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- How to solve the problem that cross-domain images are not displayed in thinkphp
- First, let’s understand what cross-domain is. Cross-domain occurs between two websites with different domain names. When the resources of one website, such as JS, CSS, Ajax, or images, request to access the resources of another website, they are blocked due to the restrictions of the same-origin policy. The same origin policy is a very important security feature. It restricts a website to only access resources with the same domain name, protocol and port as its own. In our project, we use a third-party library to load images, and this library uses addresses with different domain names to store images. Therefore, in the browser, the image cannot be displayed properly when it crosses domain. In order to solve this problem, we need to make some settings on the server side. The most common workaround is to set up COR on the server side
- ThinkPHP 1070 2023-05-31 22:01:37
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- How thinkphp implements front-end and back-end separation verification code
- 1. The role of verification codes In the Internet era, we often use verification codes to enhance security. Implementing the verification code function can help us: Prevent robot attacks: The verification code can detect whether it is a human operation to reduce attacks by malicious robots and hackers. Improve security: Verification codes can strengthen permission control, ensure the authenticity of user identities, and protect servers and websites from unnecessary attacks. Improve user experience: Verification codes can effectively prevent users from losing interest due to continuous illegible characters. 2. Front-end verification code implementation In the process of front-end implementation of verification code, we need the following main steps: Determine the type of verification code: Verification code is usually divided into character verification code and graphic verification code. Design with users in mind
- ThinkPHP 1593 2023-05-31 20:18:53
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- How to use ThinkPHP to implement a shopping cart function
- First, we need to create a database to store our products and order information. Copy and paste the following SQL code into phpMyAdmin or other MySQL client to create the database: CREATEDATABASEcartDEFAULTCHARACTERSETutf8COLLATEutf8_general_ci; Then, we need to create two tables to store items and order information. Create tables named "products" and "orders" using the following SQL code: CREATETABLEproducts(idint(11)NOT
- ThinkPHP 837 2023-05-31 19:04:37
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- What are the operating methods of Thinkphp5.0 on the database?
- Basic query operation Db::query('select*fromthink_userwhereid=?',[8]); write operation Db::execute('insertintothink_user(id,name)values(?,?)',[8,'thinkphp ']); The query constructor query data find returns a record. The returned result is a one-dimensional array. If the result does not exist, NULLDb::table('think_
- ThinkPHP 1062 2023-05-31 17:28:06
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