URL：/cgi-bin/test.cgi?FirstName=Zara&LastName=Ali
获取参数
#!/usr/bin/ruby require 'cgi' cgi = CGI.new cgi['FirstName'] # => ["Zara"] cgi['LastName'] # => ["Ali"]
另一种写法
#!/usr/bin/ruby
require 'cgi'
cgi = CGI.new
h = cgi.params # => {"FirstName"=>["Zara"],"LastName"=>["Ali"]}
h['FirstName'] # => ["Zara"]
h['LastName'] # => ["Ali"]获取全部参数
#!/usr/bin/ruby require 'cgi' cgi = CGI.new cgi.keys # => ["FirstName", "LastName"]
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