{"id":2091,"date":"2026-07-28T06:23:17","date_gmt":"2026-07-28T06:23:17","guid":{"rendered":"https:\/\/www.vpascode.com\/tw\/docs\/uncategorized\/ruby-visualizer-guide\/"},"modified":"2026-07-28T06:23:17","modified_gmt":"2026-07-28T06:23:17","slug":"ruby-visualizer-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/tw\/docs\/vpascode-docs\/ruby-visualizer-guide\/","title":{"rendered":"Ruby"},"content":{"rendered":"

\u5728\u8a2d\u8a08 Ruby on Rails \u7db2\u9801\u61c9\u7528\u7a0b\u5f0f\u3001\u80cc\u666f\u5de5\u4f5c\u7ba1\u9053\u6216 Ruby \u4e2d\u7684\u9818\u57df\u6a21\u578b\u6642\uff0c\u95b1\u8b80\u52d5\u614b\u7684\u985e\u5225\u5b9a\u7fa9\u548c\u6a21\u7d44\u6df7\u5165\u53ef\u80fd\u6703\u8b93\u7269\u4ef6\u95dc\u4fc2\u7684\u53ef\u8996\u5316\u8b8a\u5f97\u56f0\u96e3\u3002\u9019\u6b3eRuby \u7e6a\u5716\u5de5\u5177<\/strong>\u5c07 Ruby \u985e\u5225\u3001\u6a21\u7d44\u3001\u6df7\u5165\u5305\u542b\u4ee5\u53ca\u985e\u5225\u5c64\u6b21\u7d50\u69cb\u8f49\u63db\u70ba\u6e05\u6670\u4e14\u53ef\u4e92\u52d5\u7684\u985e\u5225\u5716\u8868\u3002\u900f\u904e\u89e3\u6790\u5c6c\u6027\u5b58\u53d6\u5668\uff08attr_accessor<\/code>, attr_reader<\/code>\uff09\uff0c\u6a21\u7d44\u7d44\u5408\uff08include<\/code>, extend<\/code>\uff09\uff0c\u4ee5\u53ca\u7e7c\u627f\u93c8\uff08<<\/code>\uff09\uff0cRuby \u958b\u767c\u8005\u8207\u5f8c\u7aef\u67b6\u69cb\u5e2b\u53ef\u4ee5\u4e00\u76ee\u4e86\u7136\u5730\u8996\u89ba\u5316\u6aa2\u8996\u7269\u4ef6\u5c0e\u5411\u7684\u9818\u57df\u7d50\u69cb\u3002<\/p>\n

Ruby \u8996\u89ba\u5316\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

\u5728 VPasCode \u4e2d\uff0cRuby \u6e32\u67d3\u6703\u81ea\u52d5\u89e3\u6790class<\/code>\u5ba3\u544a\u3001module<\/code>\u6a21\u7d44\u6df7\u5165\u3001\u5c6c\u6027\u5b9a\u7fa9\u8207\u65b9\u6cd5\u7c3d\u540d\uff0c\u8f49\u63db\u70ba\u7d50\u69cb\u5316\u7684 UML \u98a8\u683c\u985e\u5225\u5361\u7247\u3002\u985e\u5225\u8207\u6a21\u7d44\u4f5c\u70ba\u4e3b\u8981\u7684\u8996\u89ba\u7bc0\u9ede\uff0c\u5c6c\u6027\u8b80\u53d6\u5668\u986f\u793a\u70ba\u6b04\u4f4d\uff0c\u800c\u7e7c\u627f\u6216\u6df7\u5165\u5305\u542b\u7684\u95dc\u9375\u5b57\u6703\u81ea\u52d5\u5728\u8996\u89ba\u5be6\u9ad4\u4e4b\u9593\u751f\u6210\u95dc\u4fc2\u9023\u63a5\u5668\u3002<\/p>\n

1. \u57fa\u672c\u8a2d\u5b9a<\/h3>\n

\u70ba\u4e86\u53ef\u8996\u5316\u6a19\u6e96\u7684 Ruby \u985e\u5225\u5c64\u6b21\u7d50\u69cb\uff0c\u8acb\u5b9a\u7fa9\u6a21\u7d44\u4ee5\u5171\u4eab\u884c\u70ba\uff0c\u4e26\u642d\u914d\u57fa\u5e95\u985e\u5225\u8207\u5b50\u985e\u5225\u7684\u5be6\u4f5c\u3002\u652f\u4ed8\u8655\u7406\u4ecb\u9762\u5c55\u793a\u4e86 Ruby \u4e2d\u57fa\u672c\u7684\u985e\u5225\u7e7c\u627f\u8207\u6a21\u7d44\u7d44\u5408\uff1a<\/p>\n

\n
\nRuby<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f Ruby<\/span>
\n<\/a>\n<\/div>\n
\n
\r\n
\r\n Ruby<\/span>\r\n \r\n <\/path><\/path><\/svg>\r\n Edit Ruby in VPasCode<\/span>\r\n <\/a>\r\n <\/div>\r\n
\r\n 
# \u5171\u4eab\u65e5\u8a8c\u6df7\u5165\r\nmodule Loggable\r\n  def log_action(message)\r\n    puts \"[LOG] #{Time.now}: #{message}\"\r\n  end\r\nend\r\n\r\n# \u57fa\u5e95\u62bd\u8c61\u98a8\u683c\u7684\u652f\u4ed8\u7db2\u95dc\r\nclass BaseGateway\r\n  include Loggable\r\n\r\n  attr_reader :api_key, :environment\r\n\r\n  def initialize(api_key, environment = :sandbox)\r\n    @api_key = api_key\r\n    @environment = environment\r\n  end\r\n\r\n  def process_payment(amount)\r\n    raise NotImplementedError, \"\u5b50\u985e\u5225\u5fc5\u9808\u5be6\u4f5c process_payment\"\r\n  end\r\nend\r\n\r\n# Stripe \u5be6\u4f5c\u5b50\u985e\u5225\r\nclass StripeGateway < BaseGateway\r\n  attr_accessor :stripe_account_id\r\n\r\n  def initialize(api_key, stripe_account_id)\r\n    super(api_key, :production)\r\n    @stripe_account_id = stripe_account_id\r\n  end\r\n\r\n  def process_payment(amount)\r\n    log_action(\"\u900f\u904e Stripe \u8655\u7406 $#{amount} \u91d1\u984d\")\r\n    true\r\n  end\r\nend<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Ruby in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f Ruby<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u00a0<\/p>\n
\u9032\u968e\u7d50\u69cb\u6280\u8853<\/h2>\n
Ruby \u8996\u89ba\u5316\u5728\u7e6a\u88fd\u96fb\u5546\u5c65\u884c\u6d41\u7a0b\u3001\u9818\u57df\u9a45\u52d5\u7684\u503c\u7269\u4ef6\uff0c\u4ee5\u53ca Active Record \u98a8\u683c\u5be6\u9ad4\u65b9\u9762\u8868\u73fe\u51fa\u8272\u3002<\/p>\n
1. \u96fb\u5546\u8a02\u55ae\u8655\u7406\u7cfb\u7d71<\/h3>\n
\u900f\u904e\u7d50\u5408\u72c0\u614b\u679a\u8209\u7b26\u865f\u3001\u660e\u7d30\u9805\u76ee\u7269\u4ef6\u8207\u805a\u5408\u8a02\u55ae\u5be6\u9ad4\uff0cVPasCode \u5c07 Ruby \u9818\u57df\u6a21\u578b\u8f49\u63db\u70ba\u6e05\u6670\u4e14\u7d50\u69cb\u5316\u7684\u5716\u8868\u7db2\u7d61\uff1a<\/p>\n
\n
\nRuby<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f Ruby<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    Ruby<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Ruby in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
module Shippable\r\n  def calculate_shipping_weight\r\n    line_items.sum(&:weight)\r\n  end\r\nend\r\n\r\nclass LineItem\r\n  attr_reader :sku, :price, :quantity, :weight\r\n\r\n  def initialize(sku, price, quantity, weight = 1.0)\r\n    @sku = sku\r\n    @price = price\r\n    @quantity = quantity\r\n    @weight = weight\r\n  end\r\n\r\n  def total_price\r\n    @price * @quantity\r\n  end\r\nend\r\n\r\nclass Order\r\n  include Shippable\r\n\r\n  attr_reader :order_id, :status, :line_items\r\n\r\n  def initialize(order_id)\r\n    @order_id = order_id\r\n    @status = :pending\r\n    @line_items = []\r\n  end\r\n\r\n  def add_item(item)\r\n    @line_items << item\r\n  end\r\n\r\n  def grand_total\r\n    @line_items.sum(&:total_price)\r\n  end\r\nend<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Ruby in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f Ruby<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u00a0<\/p>\n
\u7d50\u69cb\u5316\u4f7f\u7528\u8005\u9a57\u8b49\u8207\u5b89\u5168\u6a21\u7d44<\/h2>\n
\u53ef\u8996\u5316\u9a57\u8b49\u7b56\u7565\u3001\u6b0a\u6756\u7522\u751f\u6a21\u7d44\u8207\u89d2\u8272\u6b0a\u9650\u8655\u7406\u5668\uff0c\u6709\u52a9\u65bc\u5f8c\u7aef\u5de5\u7a0b\u5e2b\u5728 Ruby \u61c9\u7528\u4e2d\u7dad\u6301\u6e05\u6670\u7684\u5b89\u5168\u908a\u754c\u3002<\/p>\n
1. \u4f7f\u7528\u8005\u9a57\u8b49\u8207\u6b0a\u9650\u6a21\u7d44<\/h3>\n
\u5c07\u6191\u8b49\u6aa2\u67e5\u5668\u3001\u6b0a\u6756\u7522\u751f\u5668\u8207\u4f7f\u7528\u8005\u8eab\u5206\u985e\u5225\u5206\u7d44\uff0c\u4ee5\u5283\u5b9a\u6388\u6b0a\u908a\u754c\uff1a<\/p>\n
\n
\nRuby<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f Ruby<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    Ruby<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Ruby in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
module Authenticatable\r\n  def verify_password(input_password)\r\n    BCrypt::Password.new(password_digest) == input_password\r\n  end\r\nend\r\n\r\nclass User\r\n  include Authenticatable\r\n\r\n  attr_accessor :email, :role\r\n  attr_reader :user_id, :password_digest\r\n\r\n  def initialize(user_id, email, password_digest, role = :member)\r\n    @user_id = user_id\r\n    @email = email\r\n    @password_digest = password_digest\r\n    @role = role\r\n  end\r\n\r\n  def admin?\r\n    @role == :admin\r\n  end\r\nend\r\n\r\nclass SessionManager\r\n  attr_reader :current_user\r\n\r\n  def initialize(user)\r\n    @current_user = user\r\n  end\r\n\r\n  def authorize!(required_role)\r\n    return true if @current_user.admin?\r\n    @current_user.role == required_role\r\n  end\r\nend<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Ruby in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f Ruby<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u00a0<\/p>\n
\u6230\u7565\u6027\u6700\u4f73\u5be6\u52d9<\/h2>\n
    \n
  • \u660e\u78ba\u5ba3\u544a\u5c6c\u6027\u8b80\u53d6\u5668\/\u5b58\u53d6\u5668\uff1a<\/strong> \u4f7f\u7528 attr_reader<\/code>, attr_writer<\/code>\uff0c\u6216 attr_accessor<\/code>\u5728\u985e\u5225\u5b9a\u7fa9\u7684\u958b\u982d\u4f7f\u7528\uff0c\u4ee5\u78ba\u4fdd\u5c6c\u6027\u88ab\u8b58\u5225\u4e26\u986f\u793a\u70ba\u660e\u78ba\u6b04\u4f4d\u3002<\/li>\n
  • \u5584\u7528\u6a21\u7d44\u4ee5\u5be6\u73fe\u5171\u7528\u884c\u70ba\uff1a<\/strong> \u5c07\u53ef\u91cd\u8907\u4f7f\u7528\u7684\u529f\u80fd\u5206\u96e2\u81f3 module<\/code> \u6df7\u5165\u6a21\u7d44\uff0c\u4e26\u4f7f\u7528 include<\/code>\u4ee5\u4fdd\u6301\u8996\u89ba\u95dc\u4fc2\u7684\u89e3\u8026\u3002<\/li>\n
  • \u4fdd\u6301\u7e7c\u627f\u93c8\u6e05\u6670\uff1a<\/strong> \u512a\u5148\u4f7f\u7528\u6dfa\u5c64\u7684\u985e\u5225\u5c64\u6b21\u7d50\u69cb\uff08class Child < Parent<\/code>) \u8207\u6a21\u7d44\u6df7\u5165\u7d50\u5408\uff0c\u4ee5\u7372\u5f97\u66f4\u6e05\u6670\u7684\u8996\u89ba\u4f48\u5c40\u7bc0\u9ede\u6a39\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
    \u5728\u8a2d\u8a08 Ruby on Rails \u7db2\u9801\u61c9\u7528\u7a0b\u5f0f\u3001\u80cc\u666f\u5de5\u4f5c\u7ba1\u9053\u6216 Ruby \u4e2d\u7684…<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":9,"template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"ld_collection":[14],"class_list":["post-2091","ld_docs","type-ld_docs","status-publish","hentry","ld_collection-vpascode-docs"],"yoast_head":"\nRuby to Diagram Guide | Text to Diagram with VPasCode<\/title>\n<meta name=\"description\" content=\"Visualize Ruby classes and application structure instantly. 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