To generate excel by query content, and download through any controller. You also can bind cssClass to header/odd/even rows. As for header, you even can set cssClass for each column.
$this->export2excel($excel_content,$excel_file);
in your controller.
This tutorial need extension mdmsoft/yii2-upload-file. Follow the intruction to install.
After installation done, create controller and action
You would find having such a need in most Yii Projects. Your database needs a specific format to store date fields, while you may want to display it in different formats to the users on forms and other views.
You have different collections in MongoDb with de-normalized attributes. As you may know, due to its not-join nature, MongoDb tends to encourage repetition of the same value in different collections (de-normalization). In this MongoDb is opposed to a more SQL-like approach where you usually reference only the ID of the value with a foreign key.
This page explains how to implement an event and catch that event in a behavior.
Changing the way a CGridView is rendered from the configuration file, or through behaviors specified at the moment it is used, is handy to extend a CGridView without creating tons of different classes for it. I am surprised that this is not in the default implementation, so I made my default CGridView implementation.
If you're working a lot with extensions you often stumble upon problems, when you want to include them into your custom web application, like hardcoded or absolute path aliases or classes extended from core application components, which implement addiditonal features.
In case of a multilingual application, one might consider it a reasonable approach to store the preferred language of the user in a session variable, and after that, every time a page is requested, to check this session variable and render the page in the indicated language.
This tutorial shows a Yii-way of doing this.
We implement an event handler for the onBeginRequest event; as the nam...
When someone want to send formatted HTML mails from a console application she/he will probably come across the problem of rendering view files.
In this tutorial will be explained a method to manage some configuration runtime. This excellent tutorial follows a similar approach, but requires to write a masterclass which all controllers are supposed to extend, following this wiki you can achieve the same by only editing the configuration.