mysql2 ruby​​ gem 输入时出错 - 需要'mysql2'

编程问答 2022-05-27

问题描述

当我尝试做 require 'MysqL2' 时，它给了我本书中所有错误的信息......

错误返回信息：

irb(main):015:0> require 'MysqL2'
C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/MysqL2-0.4.10-x64-mingw32/lib/MysqL2.rb:23: warning: already initialized constant LoadLibrary
C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/MysqL2-0.4.10-x64-mingw32/lib/MysqL2.rb:23: warning: prevIoUs deFinition of LoadLibrary was here
C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/MysqL2-0.4.10-x64-mingw32/lib/MysqL2.rb:23: warning: already initialized constant LoadLibrary
C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/MysqL2-0.4.10-x64-mingw32/lib/MysqL2.rb:23: warning: prevIoUs deFinition of LoadLibrary was here
Traceback (most recent call last):
       14: from C:/Ruby26-x64/bin/irb.cmd:31:in `<main>'
       13: from C:/Ruby26-x64/bin/irb.cmd:31:in `load'
       12: from C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/irb-1.0.0/exe/irb:11:in `<top (required)>'
       11: from (irb):15
       10: from (irb):15:in `rescue in irb_binding'
        9: from C:/Ruby26-x64/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:34:in `require'
        8: from C:/Ruby26-x64/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:130:in `rescue in require'
        7: from C:/Ruby26-x64/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:130:in `require'
        6: from C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/MysqL2-0.4.10-x64-mingw32/lib/MysqL2.rb:31:in `<top (required)>'
        5: from C:/Ruby26-x64/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        4: from C:/Ruby26-x64/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        3: from C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/MysqL2-0.4.10-x64-mingw32/lib/MysqL2/MysqL2.rb:2:in `<top (required)>'
        2: from C:/Ruby26-x64/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        1: from C:/Ruby26-x64/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
LoadError (cannot load such file -- MysqL2/2.6/MysqL2)

请帮忙。我需要解决这个问题，我花了 20 多个小时试图找到解决方案。谢谢

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