rails 链接mysql

 

1.  创建项目

     rails new myapp

2. 修改gemfile

     gem 'mysql2'

3. unbuntu 下安装mysql2驱动

    sudo apt-get install libmysql-ruby libmysqlclient-dev

4. 执行bundle install

5. 修改数据库配置文件：

development:  

  adapter: mysql2  

  encoding: utf8  

  database: price_trend  

  username: root  

  password: 123456 

  host: xxx.xxx.xxx.xxx  

  pool: 5

  timeout: 5000