简介
Yii 是一个高性能，基于组件的 PHP 框架，用于快速开发现代 Web 应用程序。 名字 Yii （读作 易）在中文里有“极致简单与不断演变”两重含义， 也可看作 Yes It Is! 的缩写。
安装
推荐使用 composer 安装，如果还没有安装 composer 请 移步。
先安装 Composer Asset Plugin 插件：
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| composer global require fxp/composer-asset-plugin
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选择所需的 Yii2 应用模板进行安装：
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composer create-project yiisoft/yii2-app-basic yii-basic
composer create-project yiisoft/yii2-app-advanced yii-advanced
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进入项目目录并初始化：
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| $ ./init
Yii Application Initialization Tool v1.0
Which environment do you want the application to be initialized in?
[0] Development
[1] Production
Your choice [0-1, or "q" to quit] 0
Initialize the application under 'Development' environment? [yes|no] yes
Start initialization ...
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上面初始化项目为开发状态。
配置数据库信息，迁移数据：
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'components' => [
'db' => [
'class' => 'yii\db\Connection',
'dsn' => 'mysql:host=localhost;dbname=yii2advanced',
'username' => 'root',
'password' => 'root',
'charset' => 'utf8',
'tablePrefix' => 'yii_'
],
]
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$ ./yii migrate
Yii Migration Tool (based on Yii v2.0.12)
Creating migration history table "yii_migration"...Done.
Total 1 new migration to be applied:
m130524_201442_init
Apply the above migration? (yes|no) [no]:yes
*** applying m130524_201442_init
> create table {{%user}} ... done (time: 0.020s)
*** applied m130524_201442_init (time: 0.035s)
1 migration was applied.
Migrated up successfully.
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配置服务器
使用 Apache 服务器：
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| # 将 path/to/basic/web 修改为项目的实际目录
DocumentRoot "path/to/basic/web"
<Directory "path/to/basic/web">
# 开启 mod_rewrite 用于美化 URL 功能的支持
RewriteEngine on
# 如果请求的是真实存在的文件或目录，直接访问
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
# 如果请求的不是真实文件或目录，分发请求至 index.php
RewriteRule . index.php
</Directory>
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或使用 Nginx 服务器：
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| # 将 path/to/basic/web 修改为项目的实际目录
server {
charset utf-8;
client_max_body_size 128M;
listen 80; ## listen for ipv4
#listen [::]:80 default_server ipv6only=on; ## listen for ipv6
server_name mysite.local;
root /path/to/basic/web;
index index.php;
access_log /path/to/basic/log/access.log;
error_log /path/to/basic/log/error.log;
location / {
try_files $uri $uri/ /index.php$is_args$args;
}
location ~ \.php$ {
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_pass 127.0.0.1:9000;
#fastcgi_pass unix:/var/run/php5-fpm.sock;
try_files $uri =404;
}
location ~* /\. {
deny all;
}
}
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验证测试
浏览器中 打开，如下图。
