How to upload pictures in yii2
First, build the upload class and create a product table with fields id, name, and picurl. Then use GII to generate PRODUCT models, classes, and views. Place main.css in \css, main.js in \asses, and then register these two files in AppAsset.php.
Dec 07, 2019 pm 04:20 PM
How to get the current url in yii framework
How to get the current url in Yii framework: You can directly use the command "\Yii::$app->request->hostInfo;" to get the current domain name, you can use the command "\Yii::$app->request->getUrl(); "Get the url except the domain name.
Dec 07, 2019 pm 04:08 PM
What should I do if the yii2 entry file cannot be found?
First, double-click the init.bat file in the root directory, or cmd to the Yii directory to execute the php init command. Then enter the scene you want to select: 0 or 1, and press Enter. Determine whether to execute generation: y/n, press Enter. The entry file of the framework will be generated in the frontend/web directory and can be accessed through the address.
Dec 07, 2019 pm 04:01 PM
What should I do if a 403 error occurs on the yii2 website?
gii tool configuration: 'gii'=>['class'=>'yii\gii\Module','allowedIPs'=>['127.0.0.1','::1','192.168.0.*',' 192.168.178.20'] will do.
Dec 07, 2019 pm 03:52 PM
How to conditionally query in yii framework
Conditional query: "$customers = Customer::find()->where($cond)->all();". $cond is what we call a condition, and the way the condition is written varies depending on the query data.
Dec 07, 2019 pm 03:33 PM
Check whether yii is installed successfully
How to check whether yii is installed successfully: After installing the yii framework, open the browser and enter http://localhost/../index.php in the browser to check whether the yii framework is installed successfully.
Dec 07, 2019 pm 02:44 PM
How to re-url in yii
The method to re-"url" in "yii" is: 1. Change the project address to static mode (pseudo-static===Url routing management). This process requires the support of the "apache" function module (url rewriting module) ; 2. Edit the project configuration file; 3. Use the "createUrl" method of the framework.
Dec 07, 2019 am 11:48 AM
After yii2 adds a field to the database table, the corresponding model cannot recognize the attribute.
The reason why the corresponding model cannot recognize the attribute after "yii2" adds a field to the database table is: the structure of the database table should be cached. The solution is: delete the "runtime" folder or clear the cached data of the specified database table structure.
Dec 07, 2019 am 11:17 AM
Comparison of yii2 and laravel framework
Comparison between the "yii2" framework and the "laravel" framework: Comparing in terms of development speed, the "yii" framework can use the "gii" scaffolding to quickly generate code without the need to write special effects and styles, while "laravel" can also Quickly create controllers, models, routes, etc. with the help of "artisan" tools.
Dec 07, 2019 am 11:04 AM
Solution to garbled yii2 page
Solution to the garbled code on the yii2 page: Configuring the encoding format in the database configuration can solve the problem. The setting statement is: "'dsn'=>'mysql:host=127.0.0.1;dbname=ohmycto;charset=utf8',".
Dec 07, 2019 am 11:02 AM
How to set the default access home page in yii
How to set the default homepage for yii: Add: "'defaultRoute'=>'login/index' (controller/method)" in config->main.php to change the default homepage.
Dec 07, 2019 am 10:52 AM
yii2 determines whether it is submitted in post mode
How yii2 determines whether it is submitted in post mode: You can use the if(Yii::$app->request->isPost) statement to determine. If the condition in the if statement is true, it means that it is a post submission, and if it is not true, it means that it is not a post submission.
Dec 07, 2019 am 10:35 AM
How to define yii controller
In Web applications, the yii controller should inherit yii\web\Controller or its subclasses. Similarly, in console applications, the controller inherits yii\console\Controller or its subclasses.
Dec 04, 2019 pm 01:33 PM
There are several ways to connect to the database in yii
Yii connects to the database through PDO, Active Record, Criteria and Query Builder methods. There is already Query in Yii2, which is better in performance than ActiveRecord and can be used as a replacement.
Dec 04, 2019 pm 01:18 PM
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