Add exportable class

Gemfile.lock

@@ -2,16 +2,22 @@ PATH
   remote: .
   specs:
     tallty_import_export (0.1.0)
+      caxlsx
+      roo
+      roo-xls
+      zip-zip
 
 GEM
   remote: https://gems.ruby-china.com/
   specs:
-    axlsx (1.3.6)
-      htmlentities (~> 4.3.1)
-      nokogiri (>= 1.4.1)
-      rubyzip (>= 0.9.5)
+    caxlsx (3.0.2)
+      htmlentities (~> 4.3, >= 4.3.4)
+      mimemagic (~> 0.3)
+      nokogiri (~> 1.10, >= 1.10.4)
+      rubyzip (>= 1.3.0, < 3)
     diff-lcs (1.4.4)
     htmlentities (4.3.4)
+    mimemagic (0.3.5)
     mini_portile2 (2.4.0)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
@@ -47,13 +53,9 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  axlsx
   rake (~> 12.0)
-  roo
-  roo-xls
   rspec (~> 3.0)
   tallty_import_export!
-  zip-zip
 
 BUNDLED WITH
    2.1.4

lib/tallty_import_export.rb

 require "tallty_import_export/version"
+require 'axlsx'
 
 module TalltyImportExport
   class Error < StandardError; end
-  # Your code goes here...
+
+  autoload :Exportable,     'tallty_import_export/exportable'
+  autoload :Importable,     'tallty_import_export/importable'
 end

lib/tallty_import_export/exportable.rb

@@ -8,6 +8,7 @@ module TalltyImportExport
     # attr_type: 属性的类型
     # format: excel是否需要特定的格式，目前主要是类似于身份证号，可以用string
     # method: 本地调用的方法
+    # chain: 对象属性通过链式调用
     included do
     end
 
@@ -31,39 +32,47 @@ module TalltyImportExport
               sheet.add_row [first_header], style: title1, height: 40
             end
 
-            sheet.add_row _titles, style: title2, height: 39
-            records.each do |record|
+            sheet.add_row @headers.map{|header| header[:name]}, style: title2, height: 39
+
+            records.find_each do |record|
               row = []
               @headers.each{ |header| row.push(handle_data(record, header)) }
               sheet.add_row row, style: title3, height: @row_height, types: @headers.map{|header| header[:format]}
             end
             sheet.column_widths *@headers.map{|header| header[:width] || @width}
           end
-        end
-
           file_path = File.join(Rails.root, 'public', 'export')
           FileUtils.mkdir_p(file_path) unless Dir.exist?(file_path)
-        file_name = "#{Time.now.strftime('%Y%m%d%H%M%S')}#{filename}.xlsx"
+          file_name = "#{Time.now.strftime('%Y%m%d%H%M%S')}#{@filename}.xlsx"
           pack.serialize(File.join(file_path, file_name))
           url = ActionController::Base.helpers.asset_url("/export/#{file_name}")
           return url
         end
+      end
 
       def exportable_defaults(options = {})
         options = options.with_indifferent_access
 
         @row_height ||= options.delete(:row_height) || 35
         @width ||= options.delete(:width) || 30
-        @headers = self.respond_to?(:export_headers) ? export_headers.with_indifferent_access : headers.with_indifferent_access
+        @filename ||= options.delete(:filename)
+        @headers = self.respond_to?(:export_headers) ? export_headers : headers
+        @headers.map! {|header| header.with_indifferent_access}
       end
 
       # 处理一个记录的数据
       def handle_data record, header
+        data =
           if header[:method].present?
             send(header[:method], record, header[:key])
+          elsif header[:chain].present?
+            header[:chain].reduce(record) do |obj, method|
+              obj.send(method)
+            end
           else
             record.send(header[:key])
           end
+          handle_format(data, header)
       rescue
         ''
       end
@@ -75,6 +84,8 @@ module TalltyImportExport
           data ? data.strftime('%F %H:%M') : nil
         when 'date'
           data ? data.strftime('%F') : nil
+        else
+          data
         end
       end
     end

tallty_import_export.gemspec

@@ -27,8 +27,8 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency('zip-zip')
-  spec.add_development_dependency('axlsx')
-  spec.add_development_dependency('roo')
-  spec.add_development_dependency('roo-xls')
+  spec.add_dependency('zip-zip')
+  spec.add_dependency('caxlsx')
+  spec.add_dependency('roo')
+  spec.add_dependency('roo-xls')
 end