php Yii2.0框架安装使用教程
1．下载YII2.0源码文件
2．解压Yii2.0，拷贝到网站根目录
3．导入到自己的IDE里面去
4．以上基本的构建好了
5．接下来就是构建自己的应用项目了，copy backend这个目录到同级目录，并且命名为blog
6．配置bootstrap.php
7．copy backend这个目录到同级目录，并且命名为blog
8．配置init.bat文件
9．在php.ini里面开启openssl的扩展
10．接下来运行init.bat，选择0回车，再选择yes回车
11.完成了项目的构建
12.访问应用，如果出现这个错误，解决如下：
解决方法：
再运行就OK了
13.如果出现这个界面就OK了
14.关于访问地址变更的方法
变化后： http://blog.xkhua.com
解决方法：在 apache 的 vhost.conf 配置文件里面添加如下，重启 apache
15.当我输入用户名和密码的时候，提示我这个错误
解决方法：
配置代码： http://www.yiichina.com/doc/guide/2.0/db-dao
15.配置命名空间，配置项目的id
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