{"id":161,"date":"2022-06-29T10:21:26","date_gmt":"2022-06-29T02:21:26","guid":{"rendered":"http:\/\/yanzhenhua.top\/?p=161"},"modified":"2022-06-29T10:21:26","modified_gmt":"2022-06-29T02:21:26","slug":"ruby-%e9%87%8c%e7%9a%84-q-q-w-w-x-r-s-i-q","status":"publish","type":"post","link":"http:\/\/yanzhenhua.top\/?p=161","title":{"rendered":"Ruby \u91cc\u7684 %Q, %q, %W, %w, %x, %r, %s, %i %Q"},"content":{"rendered":"

\u7528\u4e8e\u66ff\u4ee3\u53cc\u5f15\u53f7\u7684\u5b57\u7b26\u4e32. \u5f53\u4f60\u9700\u8981\u5728\u5b57\u7b26\u4e32\u91cc\u653e\u5165\u5f88\u591a\u5f15\u53f7\u65f6\u5019, \u53ef\u4ee5\u76f4\u63a5\u7528\u4e0b\u9762\u65b9\u6cd5\u800c\u4e0d\u9700\u8981\u5728\u5f15\u53f7\u524d\u9010\u4e2a\u6dfb\u52a0\u53cd\u659c\u6760 (<\/span>“)<\/span><\/p>\n

>> %Q(Joe said: \"Frank said: \"#{what_frank_said}\"\")\r\n=> \"Joe said: \"Frank said: \"Hello!\"\"\"<\/pre>\n
(<\/code><\/span>…<\/span>)<\/code><\/span>\u4e5f\u53ef\u7528\u5176\u4ed6\u975e\u6570\u5b57\u5b57\u6bcd\u7684\u7b26\u53f7\u6216\u6210\u5bf9\u7684\u7b26\u53f7\u4ee3\u66ff, \u8bf8\u5982<\/span>[<\/code><\/span>…<\/span>]<\/code><\/span>,\u00a0<\/span>!<\/code><\/span>…<\/span>!<\/code><\/span>,\u00a0<\/span>+<\/code><\/span>…<\/span>+<\/code><\/span>,<\/span>{<\/code><\/span>…<\/span>}<\/code><\/span>,\u00a0<\/span><<\/code><\/span>…<\/span>><\/code><\/span>\u7b49.<\/span>\u00a0<\/span>\u4ee5\u4e0b\u5199\u6cd5\u5168\u90e8\u4e0e\u4e0a\u9762\u7b49\u6548:<\/span><\/p>\n
>> %Q!Joe said: \"Frank said: \"#{what_frank_said}\"\"!\r\n>> %Q[Joe said: \"Frank said: \"#{what_frank_said}\"\"]\r\n>> %Q+Joe said: \"Frank said: \"#{what_frank_said}\"\"+<\/pre>\n
\u9664\u6b64\u4e4b\u5916\u8fd8\u53ef\u7701\u7565<\/span>Q<\/code><\/span>\u5199\u4f5c:<\/span><\/p>\n
>> %\/Joe said: \"Frank said: \"#{what_frank_said}\"\"\/\r\n=> \"Joe said: \"Frank said: \"Hello!\"\"\"<\/pre>\n
%q<\/span><\/h2>\n
\u4e0e<\/span>%Q<\/code><\/span>\u7c7b\u4f3c, \u4f46\u662f\u8868\u793a\u7684\u662f\u5355\u5f15\u53f7\u5b57\u7b26\u4e32<\/span><\/p>\n
>> %q(Joe said: 'Frank said: '#{what_frank_said} ' ')\r\n=> \"Joe said: 'Frank said: '\\#{what_frank_said} ' '\"<\/pre>\n
%W<\/span><\/h2>\n
\u8bed\u6cd5\u8fd1\u4f3c\u4e8e<\/span>%Q<\/code><\/span>, \u7528\u4e8e\u8868\u793a\u5176\u4e2d\u5143\u7d20\u88ab\u53cc\u5f15\u53f7\u62ec\u8d77\u7684\u6570\u7ec4.<\/span><\/p>\n
>> %W(#{foo} Bar Bar\\ with\\ space)\r\n=> [\"Foo\", \"Bar\", \"Bar with space\"]<\/pre>\n
%w<\/span><\/h2>\n
\u7528\u4e8e\u8868\u793a\u5176\u4e2d\u5143\u7d20\u88ab\u5355\u5f15\u53f7\u62ec\u8d77\u7684\u6570\u7ec4. \u6bd4\u8f83\u5947\u602a\u7684\u662f<\/span>\\<\/code><\/span>(\u659c\u6760\u7a7a\u683c) \u4f1a\u88ab\u8f6c\u5316\u6210“(\u7a7a\u683c), \u4f46\u662f\u5176\u4ed6\u7684\u5185\u5bb9\u4e0d\u4f1a.<\/span><\/p>\n
>> %w(a b c\\ d \\#e #{1}f)\r\n=> [\"a\", \"b\", \"c d\", \"\\\\#e\", \"\\#{1}f\"]<\/pre>\n
%x<\/span><\/h2>\n
\u4f7f\u7528`\u65b9\u6cd5\u6267\u884c\u4e00\u6bb5 shell \u811a\u672c\u5e76\u8fd4\u56de\u6807\u51c6\u8f93\u51fa\u5185\u5bb9.<\/span><\/p>\n
>> %x(echo foo:#{foo})\r\n=> \"foo:Foo\\n\"<\/pre>\n
%r<\/span><\/h2>\n
\u8bed\u6cd5\u8fd1\u4f3c\u4e8e<\/span>%Q<\/code><\/span>, \u7528\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f.<\/span><\/p>\n
>> %r(\/home\/#{foo})\r\n => \"\/\\\\\/home\\\\\/Foo\/\"<\/pre>\n
%s<\/span><\/h2>\n
\u7528\u4e8e\u8868\u793a symbol, \u4f46\u662f\u4e0d\u4f1a\u5bf9\u5176\u4e2d\u8868\u8fbe\u5f0f\u7b49\u5185\u5bb9\u8fdb\u884c\u8f6c\u5316<\/span><\/p>\n
>> %s(foo)\r\n=> :foo\r\n>> %s(foo bar)\r\n=> :\"foo bar\"\r\n>> %s(#{foo} bar)\r\n=> :\"\\#{foo} bar\"<\/pre>\n
%i<\/span><\/h2>\n
Ruby 2.0 \u4e4b\u540e\u5f15\u5165\u7684\u8bed\u6cd5, \u7528\u4e8e\u751f\u6210\u4e00\u4e2a symbol \u6570\u7ec4<\/span><\/p>\n
2.0.0p247 :014 > %i(a b c)\r\n=> [:a, :b, :c]<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u7528\u4e8e\u66ff\u4ee3\u53cc\u5f15\u53f7\u7684\u5b57\u7b26\u4e32. \u5f53\u4f60\u9700\u8981\u5728\u5b57\u7b26\u4e32\u91cc\u653e\u5165\u5f88\u591a\u5f15\u53f7\u65f6\u5019, \u53ef\u4ee5\u76f4\u63a5\u7528\u4e0b\u9762\u65b9\u6cd5\u800c\u4e0d\u9700\u8981\u5728\u5f15\u53f7\u524d\u9010… \u7ee7\u7eed\u9605\u8bfb Ruby \u91cc\u7684 %Q, %q, %W, %w, %x, %r, %s, %i %Q<\/span><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":{"0":"post-161","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-ruby","7":"h-entry","9":"h-as-article"},"_links":{"self":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts\/161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=161"}],"version-history":[{"count":1,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts\/161\/revisions"}],"predecessor-version":[{"id":162,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts\/161\/revisions\/162"}],"wp:attachment":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=161"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}