ruby连接数据库出错

# simple.rb - simple MySQL script using php?name=Ruby" onclick="tagshow(event)" class="t_tag">Ruby DBI module

 require "dbi"

 begin
   # connect to the MySQL server
   dbh = DBI.connect("dbi:Mysql:test:localhost", "root", "123")
   # get server version string and display it
   row = dbh.select_one("SELECT VERSION()")
   puts "Server version: " + row[0]
 rescue DBI:atabaseError => e
   puts "An error occurred"
   puts "Error code: #{e.err}"
   puts "Error message: #{e.errstr}"
 ensure
   # disconnect from server
   dbh.disconnect if dbh
 end

出错报.


.. ...in `load_driver': is not a cl
ass/module (TypeError)
   from c:/bin/ruby/lib/ruby/site_ruby/1.8/dbi/dbi.rb:401:in `_get_full_dri
ver'
   from c:/bin/ruby/lib/ruby/site_ruby/1.8/dbi/dbi.rb:381:in `connect'


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