A
action
Action is a callable, class, or class method that handles a matched route and returns a response. Read more in "Actions".
alias
别名是 Yii 用于引用类或目录的字符串，例如 @app/vendor。详见“别名”。
application
Application is an object that starts up, handles a request through configured middleware, and shuts down. Read more in "Application".
asset
资源是指资源文件。通常包含 JavaScript 或 CSS 代码，但也可以是任何通过 HTTP 访问的静态内容。详见“资源”。
asset bundle
Asset bundle is a PHP class that declares a group of CSS, JavaScript, image, or font files that should be published and registered together. Read more in "Asset Bundles".
authentication
Authentication is the process of determining the identity of the current user. Read more in "Authentication".
authorization
Authorization is the process of checking whether an authenticated or anonymous user is allowed to perform an action. Read more in "Authorization".
autoloading
Autoloading is the process of loading PHP classes automatically when they are first used. Read more in "Class autoloading".
B
bootstrap
Bootstrap is application startup code that prepares services, configuration, and runtime state before request handling. Read more in "Configuration".
C
configuration
Configuration may refer either to the process of setting properties of an object or to a configuration file that stores settings for an object, or a class of objects. Read more in "Configuration".
container
Container is an object that creates services, resolves their dependencies, and returns configured instances. Read more in "DI container".
controller
Controller is a class that groups action methods for related routes. Read more in "Actions".
cookie
Cookie is a small piece of data stored by a browser and sent with later requests to the same site. Read more in "Cookies".
CSRF
CSRF means cross-site request forgery, an attack where another site tries to make a user's browser submit an unwanted request to your application. Read more in "Avoiding CSRF".
D
DI
Dependency injection is a programming technique where an object receives its dependencies from the outside. Read more in "Dependency injection and container".
E
entry script
Entry script is the first PHP script executed for a web or console application. Read more in "Entry scripts".
event
Event is an object that represents something that happened and can be passed to listeners. Read more in "Events".
H
handler
Handler is callable code selected by routing or middleware to process a request and produce a response. Read more in "Routing and URL generation".
I
installation
安装是按照 readme 文件或执行专门准备的脚本来使软件正常运行的过程。对于 Yii 而言，主要是设置权限和满足软件依赖要求。
L
layout
Layout is a view template that wraps page-specific content with shared page structure. Read more in "Working with layouts".
M
migration
Migration is a versioned PHP class that applies or reverts a database schema or data change. Read more in "Migrations".
middleware
中间件是请求处理栈中的一个处理器。对于给定的请求，它既可以直接生成响应，也可以执行某些操作后将处理传递给下一个中间件。详见“中间件”。
model
Model is an object that represents application data and usually contains validation or business rules for that data. Read more in "Working with forms".
module
模块是根据使用场景对代码进行分组的命名空间。它通常在主应用程序中使用，可以包含任意源代码、定义额外的 URL 处理器或控制台命令。
N
namespace
命名空间是指一种 PHP 语言特性，用于将多个类归组到某个特定名称下。
P
package
A package usually refers to Composer package. It's code ready for reuse and redistribution installable automatically via a package manager.
parameter
Parameter is a configuration value that can be used by application or package config files. Read more in "Parameters".
Q
queue
A queue is a data structure that processes items in first-in, first-out order. Yii has a yiisoft/queue package.
R
request
Request is a PSR-7 object that represents an incoming HTTP message, including method, URI, headers, body, uploaded files, and attributes. Read more in "Request".
response
Response is a PSR-7 object that represents an outgoing HTTP message, including status code, headers, and body. Read more in "Response".
route
Route describes which request method and URL pattern should be handled by which action or middleware. Read more in "Routing and URL generation".
rule
规则通常指 yiisoft/validator 包的验证规则。它持有一组用于检查数据集是否有效的参数。“规则处理器”负责实际执行处理。
S
service
Service is a focused object that performs application work or provides infrastructure behavior and is usually stored in the DI container. Read more in "Service components".
service provider
Service provider is a class that registers related service definitions for the DI container. Read more in "Service providers".
session
Session is server-side storage associated with a browser across multiple requests. Read more in "Sessions".
T
template
Template is a file used by a view or template engine to produce presentation output such as HTML. Read more in "Views".
V
vendor
A vendor is an organization or individual developer providing code in the form of packages. It also may refer to Composer's vendor directory.
view
View is responsible for presenting data to end users, usually by executing a template with provided data. Read more in "Views".
W
widget
Widget is a reusable view component that renders a piece of user interface. Read more in "Widgets".