Module: ModelToExcel

Defined in:
lib/model_to_excel.rb,
lib/model_to_excel/version.rb

Constant Summary collapse

VERSION =
"0.1.0"

Class Method Summary collapse

Class Method Details

.to_excel(file_name) ⇒ Object

Your code goes here…



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# File 'lib/model_to_excel.rb', line 5

def self.to_excel(file_name)
  Spreadsheet.client_encoding = "UTF-8"
  book = Spreadsheet::Workbook.new
  first_row = ["编号","字段","类型","注释"]

  sheet = book.create_worksheet :name => "表注释"
  sheet.row(0).concat ["编号","表名","中文名","注释"]
  num = 1
	ActiveRecord::Base.connection.tables.each do |table|
     next if table.match(/\Aschema_migrations\z/)
     begin
     	  class_name = table.singularize.classify
      columns = class_name.constantize.columns
      sheet[num, 0] = num
         sheet[num, 1] = table.to_s
         sheet[num, 2] = ""
         sheet[num, 3] = ""
         num += 1
        rescue Exception => e
       puts "table"
       puts table

       next
     end
	end

  ActiveRecord::Base.connection.tables.each do |table|
    next if table.match(/\Aschema_migrations\z/)
    begin
    	  class_name = table.singularize.classify
     columns = class_name.constantize.columns

     sheet = book.create_worksheet :name => table
     #第一横行
     sheet.row(0).concat first_row
     num = 1
     columns.each do |column|
         puts column 
         puts column.type
         sheet[num, 0] = num
         sheet[num, 1] = column.name
         sheet[num, 2] = column.type.to_s
         sheet[num, 3] = ""
         num += 1
         
       end
    rescue Exception => e
      puts "table"
      puts table

      next
    end
  end

  book.write "#{Rails.root}/public/#{file_name}.xls"
end