How to use yii2 hasone
hasOne and hasMany are Yii2's unique functions for multi-table related queries. It is recommended to use them when using multi-table related queries. Return results: The return results of these two methods are yii\db\ActiveQuery objects.
Nov 07, 2019 am 09:57 AM
How to enable debugging in yii2
How to enable debugging in yii2: First define YII_DEBUG as true and YII_ENV as true in the web/index.php file; then open the config/web.php file and add your own IP address to allowedIPS.
Nov 06, 2019 pm 05:45 PM
Steps to write api interface in yii2
1. Create a separate application; 2. Beautify the route for the new api application; 3. Use gii to generate test modules; 4. Reconfigure the controller; 5. Configure Url rules for Goods; 6. Simulate request operations; 7. Do authorization authentication; 8. Do rate limiting.
Nov 06, 2019 pm 05:32 PM
The difference between yii2 advanced version and normal version
The difference between the advanced version and the ordinary version of yii2: The advanced version and the basic version are just different in name, and their frameworks are exactly the same; the ordinary version is suitable for developing applications that are independent of front and backends; the advanced version is suitable for developing applications that are divided into front and backends.
Nov 06, 2019 pm 05:02 PM
yii2 close error prompt
How to turn off the error prompt in yii2: Add the following code "defined('YII_ENABLE_ERROR_HANDLER') or define('YII_ENABLE_ERROR_HANDLER', true);" at the beginning of the php program to turn off the error prompt.
Nov 06, 2019 pm 04:45 PM
How to solve the problem of unsuccessful scheduled tasks in yii2
Solution to the unsuccessful yii2 scheduled task: The execution fails because the path is wrong. First open the yii script file, and then modify the first line to the path on your server.
Nov 06, 2019 pm 04:18 PM
yii2 How to solve the problem that the data you submitted cannot be verified
yii2 The data you submitted cannot be verified because of yii's csrf verification. This can be solved by adding "public $enableCsrfValidation = false;" to the controller.
Nov 06, 2019 pm 04:01 PM
yii2 determines whether it is a post submission form
How yii2 determines whether the form is submitted by post: Use "if(Yii::$app->request->isPost)" to determine. If the condition is true, it was submitted by post.
Nov 06, 2019 pm 03:49 PM
yii2 determines whether the user is logged in
The method for yii2 to determine whether the user is logged in: use "if(Yii::$app->user->isGuest)". If the condition is true, the user is not logged in. If the condition is not true, the user is logged in.
Nov 06, 2019 pm 03:44 PM
How to reference css in yii framework
How to reference css in the yii framework: 1. Create a default directory in the assets directory; 2. Create a css file directory in the default directory; 3. Create a php file and create system variables in the shop/protected/config directory; 4. At the entrance The file introduces the system environment file.
Nov 06, 2019 pm 03:35 PM
How to install yii2 tutorial
Yii2 installation tutorial: 1. Download the Yii framework and open the advanced folder; 2. Copy the advanced project file to the environment root directory and configure the access directory; 3. Add php.exe to the system environment variable.
Nov 06, 2019 pm 03:15 PM
How to check the version of yii
Methods to check the version of yii: The first way is to echo \Yii::getVersion() directly on the page; the second way is to use the command window. There is a yii file in the project directory and directly execute the file: ./yii.
Nov 06, 2019 am 09:47 AM
How to bind events in yii
Yii uses trigger() and on() methods to bind events. Events are triggered by calling the yii\base\Component::trigger() method. This method must pass the event name and an event object to pass parameters to the event handler.
Nov 06, 2019 am 09:32 AM
What does yii application component mean?
Yii application components are any objects and can be configured with the yii\base\Application::$components attribute in the application body configuration. Please be careful to register too many application components. Application components are like global variables. Using too many may make testing and maintenance more difficult.
Nov 06, 2019 am 09:17 AM
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