yii2 Chinese garbled code
The way to solve the Chinese garbled problem in yii2 is to configure the database, for example ['class' => 'yii\db\Connection','dsn' => 'mysql:host=127.0.0.1; dbname=ohmycto; charset=utf 】.
Feb 17, 2020 am 11:52 AM
How to generate hyperlinks in yii
The method for yii to generate hyperlinks is to use yii's built-in URL generation tool urlManager, such as [\Yii::$app->urlManager->createAbsoluteUrl($params, $schema = null)].
Feb 17, 2020 am 11:42 AM
How to update data in yii
Methods for updating data in yii: 1. Use the update(true, updated field) method to update data; 2. Use the updateAll() method to update multiple pieces of data; 3. Use find() to find data, and after changes, call the save() method Just save it.
Feb 17, 2020 am 11:41 AM
Yii uses rules to get error information
Yii uses rules to obtain error information: first use the rules function in the model to return array type data; then use new myModel() in the controller to instantiate the relevant table model class; finally use the getErrors() method to obtain error information.
Feb 17, 2020 am 11:26 AM
yii encrypted string garbled characters
The solution to garbled characters in yii encrypted strings: first use base64_decode($uid) to decode the encrypted data; then use \yii::$app->security->decryptByPassword() to decrypt the data to ensure that it is not garbled.
Feb 17, 2020 am 11:15 AM
The difference between yii2 and ci
The differences between yii2 and ci are: 1. yii2 code is elegant and concise, and ci has a very large space for customization; 2. yii2 is very easy to expand, and ci needs to write extensions yourself; 3. yii2 has a relatively high learning curve, and ci has the characteristics of being easy to get started, etc. wait.
Feb 17, 2020 am 10:33 AM
Use php in yii2 to determine whether the image exists
How to use PHP to determine the existence of an image in Yii2: 1. Use the file_exists() function, pass in the path of the image, and return true if it exists; 2. Use the file_get_contents() function, pass in the path of the image, and return the image content if it exists, etc. .
Feb 17, 2020 am 10:00 AM
How to get the new data id in yii
The method for yii to obtain the newly added data ID: first use Yii::$app->request->post() to obtain the submitted data; then use new User() to instantiate the object; finally use the setAttributes() method and $model ->id can get the id value.
Feb 17, 2020 am 09:40 AM
How to adaptively switch templates in yii2
The method for adaptively switching templates in yii2 is: 1. First create a behavior; 2. Then create a base class BaseController.php; 3. Create H5Views under frontend and place the H5 template file there.
Feb 10, 2020 am 11:14 AM
yii framework routing configuration
Yii framework routing configuration method: 1. First, enable the rewrite module in the server configuration (httpd.conf); 2. Add the server configuration file [.htaccess] in the directory; 3. Then add the urlManager configuration item; 4. Finally restart Just the server.
Feb 06, 2020 pm 06:19 PM
How to reference adminlte to yii2
The method for adminlte to reference yii2: first download and install the yii2 framework; then create the user table in the database; then execute the command "composer require mdmsoft/yii2-admin "~2.0"" in the windows environment.
Feb 04, 2020 am 09:01 AM
How to catch yii2 exceptions
The method of catching exceptions in yii2: first throw an exception in method a; then use the use keyword to import Exception; finally use the try{}catch(\Exception $e) statement to catch the exception.
Feb 03, 2020 pm 05:00 PM
What should I do if nginx does not support yii?
The solution to the problem that nginx does not support yii: first open the "nginx.config" configuration file; then add "server" to the file and change "root" to the directory where the "index.php" file is located; finally open the "web.php" file And set the access permission to "777".
Feb 03, 2020 am 10:25 AM
How to use mutex yii
"mutex" in Yii refers to the "Mutex component", which allows concurrent processes to execute each other to prevent "race conditions"; the syntax for using "mutex" is "if ($mutex->acquire($mutexName)) { } else {}".
Feb 03, 2020 am 10:19 AM
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