Example Of A Yii Framework Application – What You Need to Know Setting Up Functional Yii Applications Welcome to Working with Forms Working with Databases Creating Code with Gii Looking to the Future
Creating forms Validating input Loading files Saving table input Retrieving data for multiple models Extending the client side of ActiveForms
Example Of A Yii Framework Application
Advanced project template Building an app from scratch console commands Key features Docker internationalization Email deployment Efficiency Tuning shared hosting Template engines Working with third-party code using Yai as a micro-framework
What To Expect From Yii 2.0 — Sitepoint
You can install Yii in two ways, by using Composer’s package manager or by downloading the archive file. The first is the preferred method because it allows you to install new extensions or update Yii using a single command.
A standard Yii installation causes the framework and project template to be downloaded and installed. The project template is a Yii project that uses some basic features like login, contact form, etc. Its code is organized in a recommended way. Therefore, it serves as a good starting point for your projects.
And how to use the new features on top of this template. Yii also provides another template called the Advanced Project Template, which is best used in a team development environment for multi-stage application development.
Info: The basic project template is suitable for developing 90 percent of web applications. It differs from the developed project template mainly in the way their codes are organized. If you are new to Yii, we highly recommend that you stick to the basic project template for its simplicity but more functionality. Installing with Composer ¶ Installing Composer ¶
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If you haven’t installed Composer, you can do so by following the instructions at getcomposer.org. On Linux and Mac OS X, you use the following commands:
If you encounter problems, see the troubleshooting section of the compiler documentation. If you are new to Composer, we recommend that you at least read the Basic Usage section of the Composer documentation.
In this guide, all the Composer commands assume that you have Composer installed globally so that they are available
If you already have Composer installed, make sure you’re using the latest version. You can update Composer by running it
Composer 更新yii 2 至最新版本，将yii Framework 从2.0.35 版本升级到2.0.41.1
Note: During Yii installation, the developer needs to request additional information from the Github API. The number of requests depends on the number of dependencies of your application and may exceed the Github API limit. If you reach this limit, the coordinator may request your Github login credentials to obtain a Github API access token. On fast connections, you may reach this limit before Composer can handle it, so we recommend that you configure an access token before installing Yii. See the developer documentation on Github API Tokens for instructions on how to do this. Install Yii ¶
After installing Composer, you can install the Yii application template by running the following command under the web accessible folder:
Note: If the command to create a Composer project fails, you can also refer to the troubleshooting section of the Composer documentation for common errors. Once you’ve fixed the error, you can resume the aborted installation by running a compiler update from the root directory. Tip: If you want to install the latest development version of Yii, you can use the following command instead of adding the stability option: compiler create-project –prefer-dist –stability=dev yiisoft/yii2-app-source Note The development version of Yii should not be used production because That would break your running code. Installation from an archive file ¶
The installation instructions above show how to install Yii, which also creates a basic web application that works out of the box. This method is a great starting point for many projects, small or large. This is especially useful if you are just starting to learn Yii.
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Yii depends on Bower and/or NPM packages to install legacy libraries (CSS and JavaScript). It uses Composer to find these libraries, allowing the PHP and CSS/JavaScript versions of the package to be resolved at the same time. This can be achieved using asset-packagist.org or the Asset Aggregator plugin. Please see the local documentation for more details.
You may want to manage your assets with a native Bower/npm client, use a CDN, or avoid inheritance altogether. To prevent properties from being included by composer, add the following lines to your ‘composer.json’:
Note: In case you skip the installation of assets with Composer, you are responsible for installing assets and resolving version conflicts. Be prepared for possible conflicts between legacy files from different extensions. Installation Testing ¶
After the installation is complete, configure your web server (see the next section) or use the built-in PHP web server by running the following console command while in the root directory of the project:
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Note: By default the HTTP server listens on port 8080. However, if that port is already in use, or if you want to serve multiple applications this way, you may want to specify which port to use. Add the –port argument:
You will see the above “Congratulations!” page in your browser. If not, check if your PHP installation meets Yii’s requirements. You can check if the minimum requirements are met using one of the following methods:
You should configure your PHP installation to meet Yii’s minimum requirements. Most importantly, you must have PHP 5.4 or higher. The ideal is the latest PHP 7. You must also install the PDO PHP extension and the appropriate database driver (eg
Configuring the Web Server ¶ Info: You can skip this section for now if you are testing Yii with no intention of deploying it to a production server.
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The application installed according to the instructions above should run out of the box with Apache HTTP Server or Nginx HTTP Server with PHP 5.4 or higher on Windows, Mac OS X or Linux. Yii 2.0 is also compatible with Facebook’s HHVM. However, there are some cases where HHVM behaves differently than native PHP, so you should be very careful when using HHVM.
On a production server, you may want to configure your web server so that the application is accessible via a URL
From the URL as described in the Routing and URL Creation section. In this subsection, you will learn how to configure your Apache or Nginx server to achieve these goals.
Info: By setting source/web as the document root, you prevent end users from accessing your private application code and sensitive data files stored in the directory associated with the source/web. Denying access to these other folders is a security enhancement. Note: If your application is running on a shared hosting environment where you are not allowed to change the web server configuration, you can still modify the architecture of your application for better security. See Shared hosting for more details. Note: If you are running your Yii application behind a reverse proxy, you may need to configure trusted proxies and headers on the request side. Recommended Apache configuration ¶
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To use Nginx, you need to install PHP as FPM SAPI. You can use the following Nginx configuration, instead
You can run Yii-based applications using the NGINX component with a PHP language module. Here is an example configuration.
The following list of official Microsoft resources for setting up PHP on IIS may also be helpful: Setting Up Yii Applications You Need to Be Able to Interact with Forms Working with Databases Creating Code with Hello Gii Look.
Creating forms Validating input Loading files Saving table input Retrieving data for multiple models Extending the client side of ActiveForms
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Advanced Project Template Building Application From Scratch Console Commands Key Validators Docker Internationalization Performance Mailing Tuning Collaboration Hosting Environment Template Engines Run Third Party Code Using Yii as Micro-Framework
This section describes how to use Gii to automatically generate code that implements some common website features. Using Gii to automatically generate code is a matter of entering the correct information according to the instructions presented on the Gii web pages.
Gii is available as a module in Yii. You can enable Gii by configuring it in the application module structure. Depending on how you built your application, you may find the following code already listed
Because of that line, your app is in development mode and Gii is already enabled as an overhead configuration. Now you can access Gii using the following URL:
Aki/yii2 App Vue
Note: If you access Gii from a non-local machine, access will be automatically denied for security reasons. You can configure Gii to add allowed IP addresses like this,
To use Gii to generate a working recording class, select “Sample Generation” (by clicking the link on the Gii reference page). Then fill out the form like this:
This is specified in the class file to be created. You can click on a category file name to view its contents.
If you are using Gii, if you have already created the same file and want to overwrite it, click
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Next to the file name to see the difference between the code
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