{"id":2022,"date":"2026-07-28T06:23:17","date_gmt":"2026-07-28T06:23:17","guid":{"rendered":"https:\/\/www.vpascode.com\/cn\/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\/cn\/docs\/vpascode-docs\/ruby-visualizer-guide\/","title":{"rendered":"Ruby"},"content":{"rendered":"

\u5728\u8bbe\u8ba1 Ruby on Rails Web \u5e94\u7528\u7a0b\u5e8f\u3001\u540e\u53f0\u5de5\u4f5c\u7ba1\u9053\u6216 Ruby \u4e2d\u7684\u9886\u57df\u6a21\u578b\u65f6\uff0c\u9605\u8bfb\u52a8\u6001\u7684\u7c7b\u5b9a\u4e49\u548c\u6a21\u5757\u6df7\u5165\u53ef\u80fd\u4f1a\u4f7f\u53ef\u89c6\u5316\u5bf9\u8c61\u5173\u7cfb\u53d8\u5f97\u56f0\u96be\u3002Ruby \u53ef\u89c6\u5316\u5de5\u5177<\/strong>\u5c06 Ruby \u7c7b\u3001\u6a21\u5757\u3001\u6df7\u5165\u5305\u542b\u548c\u7c7b\u5c42\u6b21\u7ed3\u6784\u8f6c\u6362\u4e3a\u6e05\u6670\u3001\u4ea4\u4e92\u5f0f\u7684\u7c7b\u56fe\u3002\u901a\u8fc7\u89e3\u6790\u5c5e\u6027\u8bbf\u95ee\u5668\uff08attr_accessor<\/code>, attr_reader<\/code>\uff09\uff0c\u6a21\u5757\u7ec4\u5408\uff08include<\/code>, extend<\/code>\uff09\uff0c\u4ee5\u53ca\u7ee7\u627f\u94fe\uff08<<\/code>\uff09\uff0cRuby \u5f00\u53d1\u4eba\u5458\u548c\u540e\u7aef\u67b6\u6784\u5e08\u53ef\u4ee5\u4e00\u76ee\u4e86\u7136\u5730\u76f4\u89c2\u68c0\u67e5\u9762\u5411\u5bf9\u8c61\u7684\u9886\u57df\u7ed3\u6784\u3002<\/p>\n

Ruby \u53ef\u89c6\u5316\u7684\u539f\u7406<\/h2>\n

\u5728 VPasCode \u4e2d\uff0cRuby \u6e32\u67d3\u4f1a\u81ea\u52a8\u89e3\u6790 class<\/code> \u58f0\u660e\u3001module<\/code> \u6a21\u5757\u6df7\u5165\u3001\u5c5e\u6027\u5b9a\u4e49\u548c\u65b9\u6cd5\u7b7e\u540d\uff0c\u8f6c\u6362\u4e3a\u7ed3\u6784\u5316\u7684 UML \u98ce\u683c\u7c7b\u5361\u7247\u3002\u7c7b\u548c\u6a21\u5757\u4f5c\u4e3a\u4e3b\u8981\u7684\u89c6\u89c9\u8282\u70b9\uff0c\u5c5e\u6027\u8bfb\u53d6\u5668\u663e\u793a\u4e3a\u5b57\u6bb5\uff0c\u800c\u7ee7\u627f\u6216\u6df7\u5165\u5305\u542b\u5173\u952e\u5b57\u4f1a\u81ea\u52a8\u5728\u89c6\u89c9\u5b9e\u4f53\u4e4b\u95f4\u751f\u6210\u5173\u7cfb\u8fde\u63a5\u5668\u3002<\/p>\n

1. \u57fa\u7840\u8bbe\u7f6e<\/h3>\n

\u4e3a\u4e86\u53ef\u89c6\u5316\u6807\u51c6\u7684 Ruby \u7c7b\u5c42\u6b21\u7ed3\u6784\uff0c\u9700\u5b9a\u4e49\u7528\u4e8e\u5171\u4eab\u884c\u4e3a\u7684\u6a21\u5757\uff0c\u540c\u65f6\u5b9a\u4e49\u57fa\u7c7b\u548c\u5b50\u7c7b\u5b9e\u73b0\u3002\u652f\u4ed8\u5904\u7406\u63a5\u53e3\u5c55\u793a\u4e86 Ruby \u4e2d\u57fa\u672c\u7684\u7c7b\u7ee7\u627f\u548c\u6a21\u5757\u7ec4\u5408\uff1a<\/p>\n

\n
\nRuby<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 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\u5fd7\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\u7840\u62bd\u8c61\u98ce\u683c\u7684\u652f\u4ed8\u7f51\u5173\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\u7c7b\u5fc5\u987b\u5b9e\u73b0 process_payment\"\r\n  end\r\nend\r\n\r\n# Stripe \u5b9e\u73b0\u5b50\u7c7b\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(\"\u901a\u8fc7 Stripe \u5904\u7406 $#{amount} \u91d1\u989d\")\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\u7f16\u8f91 Ruby<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u00a0<\/p>\n
\u9ad8\u7ea7\u7ed3\u6784\u6280\u672f<\/h2>\n
Ruby \u53ef\u89c6\u5316\u5728\u7ed8\u5236\u7535\u5b50\u5546\u52a1\u5c65\u7ea6\u6d41\u7a0b\u3001\u9886\u57df\u9a71\u52a8\u7684\u4ef7\u503c\u5bf9\u8c61\u4ee5\u53ca Active Record \u98ce\u683c\u5b9e\u4f53\u65b9\u9762\u8868\u73b0\u51fa\u8272\u3002<\/p>\n
1. \u7535\u5b50\u5546\u52a1\u8ba2\u5355\u5904\u7406\u7cfb\u7edf<\/h3>\n
\u901a\u8fc7\u7ed3\u5408\u72b6\u6001\u679a\u4e3e\u7b26\u53f7\u3001\u8ba2\u5355\u660e\u7ec6\u5bf9\u8c61\u548c\u805a\u5408\u8ba2\u5355\u5b9e\u4f53\uff0cVPasCode \u5c06 Ruby \u9886\u57df\u6a21\u578b\u8f6c\u6362\u4e3a\u6e05\u6670\u3001\u7ed3\u6784\u5316\u7684\u56fe\u793a\u7f51\u7edc\uff1a<\/p>\n
\n
\nRuby<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 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\u7f16\u8f91 Ruby<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u00a0<\/p>\n
\u6784\u5efa\u7528\u6237\u8ba4\u8bc1\u4e0e\u5b89\u5168\u6a21\u5757<\/h2>\n
\u53ef\u89c6\u5316\u8ba4\u8bc1\u7b56\u7565\u3001\u4ee4\u724c\u751f\u6210\u6a21\u5757\u548c\u89d2\u8272\u6743\u9650\u5904\u7406\u5668\uff0c\u6709\u52a9\u4e8e\u540e\u7aef\u5de5\u7a0b\u5e08\u5728 Ruby \u5e94\u7528\u4e2d\u4fdd\u6301\u6e05\u6670\u7684\u5b89\u5168\u8fb9\u754c\u3002<\/p>\n
1. \u7528\u6237\u8ba4\u8bc1\u4e0e\u6743\u9650\u6a21\u5757<\/h3>\n
\u5c06\u51ed\u8bc1\u68c0\u67e5\u5668\u3001\u4ee4\u724c\u751f\u6210\u5668\u548c\u7528\u6237\u8eab\u4efd\u7c7b\u5206\u7ec4\uff0c\u4ee5\u660e\u786e\u6388\u6743\u8fb9\u754c\uff1a<\/p>\n
\n
\nRuby<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 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\u7f16\u8f91 Ruby<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u00a0<\/p>\n
\u6218\u7565\u6700\u4f73\u5b9e\u8df5<\/h2>\n
    \n
  • \u663e\u5f0f\u58f0\u660e\u5c5e\u6027\u8bfb\u53d6\u5668\/\u8bbf\u95ee\u5668\uff1a<\/strong> \u4f7f\u7528 attr_reader<\/code>, attr_writer<\/code>\uff0c\u6216 attr_accessor<\/code>\u5728\u7c7b\u5b9a\u4e49\u7684\u9876\u90e8\u4f7f\u7528\uff0c\u4ee5\u4fbf\u5c5e\u6027\u88ab\u8bc6\u522b\u5e76\u4f5c\u4e3a\u663e\u5f0f\u5b57\u6bb5\u5448\u73b0\u3002<\/li>\n
  • \u5229\u7528\u6a21\u5757\u5b9e\u73b0\u5171\u4eab\u884c\u4e3a\uff1a<\/strong> \u5c06\u53ef\u91cd\u7528\u7684\u529f\u80fd\u5206\u79bb\u5230 module<\/code> \u6df7\u5165\u6a21\u5757\u4e2d\uff0c\u5e76\u4f7f\u7528 include<\/code>\u6765\u4fdd\u6301\u89c6\u89c9\u5173\u7cfb\u7684\u89e3\u8026\u3002<\/li>\n
  • \u4fdd\u6301\u7ee7\u627f\u94fe\u6e05\u6670\uff1a<\/strong> \u503e\u5411\u4e8e\u4f7f\u7528\u6d45\u5c42\u7c7b\u5c42\u6b21\u7ed3\u6784\uff08class Child < Parent<\/code>) \u4e0e\u6a21\u5757\u6df7\u5165\u7ed3\u5408\uff0c\u5b9e\u73b0\u66f4\u7b80\u6d01\u7684\u89c6\u89c9\u5e03\u5c40\u8282\u70b9\u6811\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
    \u5728\u8bbe\u8ba1 Ruby on Rails Web \u5e94\u7528\u7a0b\u5e8f\u3001\u540e\u53f0\u5de5\u4f5c\u7ba1\u9053\u6216 Ruby …<\/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-2022","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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