{"id":3546,"date":"2009-12-31T05:14:49","date_gmt":"2009-12-30T21:14:49","guid":{"rendered":"http:\/\/ihower.tw\/blog\/?p=3546"},"modified":"2011-04-09T01:56:26","modified_gmt":"2011-04-08T17:56:26","slug":"rake-with-parameters","status":"publish","type":"post","link":"https:\/\/ihower.tw\/blog\/3546-rake-with-parameters","title":{"rendered":"\u50b3\u53c3\u6578\u5230 Rake \u4e2d"},"content":{"rendered":"<p>\u50b3\u7d71\u4f5c\u6cd5\u662f\u7528 rake blah foo=1 \u9019\u6a23\u7684\u6307\u4ee4\uff0c\u65bc\u662f\u5c31\u53ef\u4ee5\u900f\u904e\u74b0\u5883\u8b8a\u6578\u62ff\u5230\uff1a<\/p>\n<pre>\r\n<code>\r\n  task :blah do\r\n    puts ENV['foo']\r\n  end\r\n<\/pre>\n<p><\/code><\/p>\n<p>\u4f46\u662f\uff0c\u6700\u8fd1\u770b\u5230\u65b0\u7684 API \u4f7f\u7528\u4e2d\u62ec\u865f\u7684\u7528\u6cd5 (\u4e5f\u4e0d\u65b0\u4e86\uff0c\u5f9e <a href=\"http:\/\/github.com\/jimweirich\/rake\/commit\/f0df74a0b7368cddf6718164bc7ce3d0ccd91e33\">0.8.2<\/a> \u958b\u59cb\u652f\u63f4)\uff0c\u89ba\u5f97\u633a\u6709\u8da3\u7684\uff1a<\/p>\n<pre>\r\n<code>\r\n  desc \"passing 1 parameter to rake task\"\r\n  task :blah1, [:a] do |t,args|\r\n    puts args.inspect\r\n  end\r\n   <\/code>\r\n<\/pre>\n<p> \u57f7\u884c rake blah1[9] \u6703\u8f38\u51fa {:a=>\"9\"}\uff0c\u6ce8\u610f\u5230\u50b3\u9032\u4f86\u7684\u8b8a\u6578\u503c\u662f\u5b57\u4e32\u3002<\/p>\n<pre>\r\n<code>\r\n\r\n  desc \"passing 2 parameters to rake task\"\r\n  task :blah2, [:a, :b] do |t,args|\r\n    puts args.inspect\r\n  end\r\n\r\n <\/code>\r\n<\/pre>\n<p> \u57f7\u884c rake blah2[foo,bar] \u6703\u8f38\u51fa {:a=>\"foo\", :b=>\"bar\"}<\/p>\n<p>\u5982\u679c\u8981\u6709\u9810\u8a2d\u503c\uff0c\u53ef\u4ee5\u9019\u6a23\u505a\uff1a<\/p>\n<pre>\r\n<code> \r\n  desc \"passing parameters with default values to rake task\"\r\n  task :blah3, [:a, :b] do |t,args|\r\n    args.with_defaults(:a => 'foobar', :b => 1)\r\n    puts args.inspect\r\n  end    \r\n  \r\n<\/code>\r\n<\/pre>\n<p>\u6b64\u6642\u57f7\u884c rake blah3 \u5247\u662f\u8f38\u51fa {:a=>\"foobar\", :b=>1}<\/p>\n<p>\u5c0d\u4e86\uff0c\u597d\u5947 t \u662f\u4ec0\u9ebc? \u90a3\u662f <a href=\"http:\/\/rake.rubyforge.org\/classes\/Rake\/Task.html\">Rake::Task<\/a> \u7269\u4ef6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u50b3\u7d71\u4f5c\u6cd5\u662f\u7528 rake blah foo=1 \u9019\u6a23\u7684\u6307\u4ee4\uff0c\u65bc\u662f\u5c31\u53ef\u4ee5\u900f\u904e\u74b0\u5883\u8b8a\u6578\u62ff\u5230\uff1a task :blah  &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/ihower.tw\/blog\/3546-rake-with-parameters\" class=\"more-link\">\u95b1\u8b80\u5168\u6587<span class=\"screen-reader-text\">\u3008\u50b3\u53c3\u6578\u5230 Rake \u4e2d\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[31],"tags":[],"class_list":["post-3546","post","type-post","status-publish","format-standard","hentry","category-ruby","entry"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1q6tG-Vc","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/3546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/comments?post=3546"}],"version-history":[{"count":14,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/3546\/revisions"}],"predecessor-version":[{"id":5535,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/3546\/revisions\/5535"}],"wp:attachment":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/media?parent=3546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/categories?post=3546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/tags?post=3546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}