What is yii2.0?
Yii is a high-performance PHP5 web application development framework, and yii2.0 is the 2.0 version of the Yii framework. Because the Yii2.0 version framework is completely rewritten, there are quite a few differences between the 1.1 and 2.0 versions.
Dec 23, 2019 pm 05:49 PM
What are the differences between yii1 and yii2?
Difference: Yii2 application instances directly use global named variables to access: $app without calling app(). A significant change in the view layer of Yii2 is the introduction of view classes. Yii2 introduces the concept of resource packages, and the way of resource reference changes greatly.
Dec 23, 2019 pm 05:43 PM
What is the folder assets in Yii?
In Yii, assets are generally folders that store some style files (css), script files (js), picture files (images) and other content in the front and backend, so they can be used with Yii::app()->request-> Use baseUrl in conjunction with (get the project name).
Dec 23, 2019 pm 05:36 PM
How to use widgets of yii framework
The widgets of the yii framework are basically used in views. In the views, the yii\base\Widget::widget() method can be called to use the widgets. This method initializes the widget using the configuration array and returns the result of the widget being rendered.
Dec 23, 2019 pm 04:19 PM
How to solve Chinese garbled characters in yii framework
?Solution to Chinese garbled characters in the yii framework: 1. It may be caused by the incorrect encoding format when saving the yii file. This can be solved by changing the default encoding format of the editing tool to utf-8. 2. Specify the encoding format as utf-8 when connecting to the database in Yii.
Dec 23, 2019 pm 04:02 PM
Cookie settings are invalid in yii2
The reason why the cookie setting in yii2 is invalid is that the [die] or [exit] statement is artificially added, resulting in the set [cookies] not being sent to the client. The solution is: when using the [add] method to insert the [cookie] item, the following code cannot have exit or end statements.
Dec 18, 2019 pm 04:46 PM
How to introduce CSS and JS files in Yii2 framework
Use use at the top of the front view to call the code segment use yii\helpers\Html;; then in the following Html you can call <?=Html::jsFile('@web/js file path')?> like this.
Dec 18, 2019 pm 02:59 PM
How to determine whether the data table exists in the database in Yii
The method to determine whether the data table exists in the database in Yii is: 1. First, you need to find out all the table names in the database and save the table names into a two-dimensional array; 2. Then further determine whether the table name exists in the database. in a dimensional array.
Dec 17, 2019 pm 05:10 PM
How to set yii2 not to use layout
The method to set up yii2 not to use layout is: 1. Set the layout attribute member variable in the controller file to [false]; 2. Set the layout attribute member method in the controller file to [false]; 3. Close it in the view file. Just choose a layout.
Dec 17, 2019 pm 05:01 PM
The verification code image is not displayed in yii2
The reasons and solutions for the verification code image not being displayed in yii2 are: 1. The BOM problem cannot be displayed, just delete the BOM in the PHP code involving the BOM in the file; 2. The output buffer is not cleared, before outputting the image, add [ob_clean] method can clear the output buffer.
Dec 17, 2019 pm 04:45 PM
How to import css and js files into yii2
The methods for importing css and js files in yii2 are: 1. You can directly import the files on the view page; 2. You can directly write native code to import the files; 3. There is no need to define methods in the resource package manager, you only need to add them to the view page Just import the file directly.
Dec 17, 2019 pm 04:19 PM
What are the sorting methods in yii
Yii uses the yii\data\Sort object to represent information about the sorting scheme. Sorting methods are: attributeOrders: gives the sorting direction currently set for each attribute. orders: Gives the sorting direction in terms of low-level columns.
Dec 17, 2019 pm 04:18 PM
How to transfer value when yii page jumps
Methods for passing values ??in yii page jump: 1. Page jump in the same Controller: $this->render('view page',array('parameter'=>'value'));. 2. Use the $this->redirect method to pass values ??when jumping to pages in different Controllers.
Dec 17, 2019 pm 03:40 PM
How to reference external files in Yii
Methods to reference external files in Yii: 1. Introduce the external file path in Yii's ../config/main.php. 2. Use the "Yii::app()->basePath" method in the Yii code to reference external files.
Dec 17, 2019 pm 03:32 PM
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