我继续跑进同一堵墙。
C：\ Users \ red19_000 \ Sites \ simple_cms＆gt; rails服务器 C：/Ruby22-x64/lib/ruby/gems/2.2.0/gems/mysql2-0.3.18-x64-mingw32/lib/mysql2/mysql2.rb:2：在'require'中：无法加载此类文件 - mysql2 / 2.2 / mysql2（LoadError）
from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/mysql2-0.3.18-x64-mingw32/lib/mysql2/mysql2.rb:2:in '<top (required)>' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/mysql2-0.3.18-x64-mingw32/lib/mysql2.rb:31:in 'require' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/mysql2-0.3.18-x64-mingw32/lib/mysql2.rb:31:in '<top (required)>' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.9.9/lib/bundler/runtime.rb:76:in 'require' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.9.9/lib/bundler/runtime.rb:76:in 'block (2 levels) in require' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.9.9/lib/bundler/runtime.rb:72:in 'each' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.9.9/lib/bundler/runtime.rb:72:in 'block in require' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.9.9/lib/bundler/runtime.rb:61:in 'each' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.9.9/lib/bundler/runtime.rb:61:in 'require' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.9.9/lib/bundler.rb:134:in 'require' from C:/Users/red19_000/Sites/simple_cms/config/application.rb:7:in '<top (required)>' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:78:in 'require' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:78:in 'block in server' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:75:in 'tap' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:75:in 'server' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:39:in 'run_command!' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands.rb:17:in '<top (required)>' from bin/rails:4:in 'require' from bin/rails:4:in '<main>'C：\用户\ red19_000 \网站\ simple_cms＆GT;