Ruby Ruportʵ¼ù—Ruport::FormatterÓ¦ÓÃÀ©Õ¹
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class ReportXml < Ruport::Formatter
renders :xml, :for => ReportOutputController
build :data_sheet do
eval(options[:outputContent])
end
end
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output<<"<products>"
data.each do |d|
output<<"<product>"
output<<"<title>#{d.title}</title><type>#{d.description}</type><price>#{d.price}</price>"
output<<"</product>"
end
output<<"</products>"
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http://www.robertsosinski.com/2008/12/21/understanding-ruby-blocks-procs-and-lambdas/
Understanding Ruby Blocks, Procs and Lambdas
Blocks, Procs and lambdas (referred to as closures
in Computer Science) are one of the most powerful aspects of Ruby, and
also one of the most misunderstood. This ......
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metrics = load_font_metrics(font)
metrics = PDF::Writer: ......
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Ò»¡¢´´½¨Êý¾Ý±íreport_parameters
create table report_parameters
(report_parameter_id integer not null auto_increment,
report_execute_id integer not null, ......