{"id":49755,"date":"2023-03-18T06:42:11","date_gmt":"2023-02-02T21:39:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8%e4%ba%8e%e5%ad%a6%e4%b9%a0-ruby-%e8%af%ad%e6%b3%95%e7%9a%84%ef%bc%88%e5%93%88%e5%b8%8c%e9%83%a8%e5%88%86%ef%bc%89\/"},"modified":"2024-04-29T19:25:12","modified_gmt":"2024-04-29T11:25:12","slug":"%e7%94%a8%e4%ba%8e%e5%ad%a6%e4%b9%a0-ruby-%e8%af%ad%e6%b3%95%e7%9a%84%ef%bc%88%e5%93%88%e5%b8%8c%e9%83%a8%e5%88%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8%e4%ba%8e%e5%ad%a6%e4%b9%a0-ruby-%e8%af%ad%e6%b3%95%e7%9a%84%ef%bc%88%e5%93%88%e5%b8%8c%e9%83%a8%e5%88%86%ef%bc%89\/","title":{"rendered":"\u7528\u4e8e\u5b66\u4e60 Ruby \u8bed\u6cd5\u7684\uff08\u54c8\u5e0c\u90e8\u5206\uff09"},"content":{"rendered":"<p>\u4e3a\u4e86\u50cf\u547c\u5438\u4e00\u6837\u81ea\u7136\u5730\u4e66\u5199Ruby\u8bed\u6cd5\uff0c\u6211\u5199\u8fd9\u6bb5\u4ee3\u7801\u662f\u4e3a\u4e86\u53cd\u590d\u7ec3\u4e60\u90a3\u4e9b\u6211\u7406\u89e3\u6709\u70b9\u6a21\u7cca\u7684\u8bed\u6cd5\u3002<\/p>\n<h1>\u524d\u63d0\u77e5\u8b58 t\u00ed zh\u012b sh\u00ec)<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30cf\u30c3\u30b7\u30e5\u306f\u3001key\u3068value\u306e\u7d44\u307f\u5408\u308f\u305b\u304b\u3089\u306a\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">JavaScript\u3067\u3044\u3046\u9023\u60f3\u914d\u5217\u306e\u3088\u3046\u306a\u3082\u306e<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Ruby\u3067\u3044\u3046\u30cf\u30c3\u30b7\u30e5\u306e\u30af\u30e9\u30b9\u306fHash<\/ul>\n<pre class=\"post-pre\"><code><span class=\"n\">val<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{}<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">val<\/span><span class=\"p\">.<\/span><span class=\"nf\">class<\/span>\r\n\r\n<span class=\"o\">=&gt;<\/span> <span class=\"no\">Hash<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7279\u5fb4: key\u3068value\u304c\u5927\u91cf\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u6307\u5b9a\u3057\u305fkey\u306b\u5bfe\u3059\u308bvalue\u3092\u9ad8\u901f\u3067\u53d6\u5f97\u3067\u304d\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5b58\u5728\u3057\u306a\u3044key\u3092\u6307\u5b9a\u3059\u308b\u3068nil\u304c\u304b\u3048\u3063\u3066\u304d\u307e\u3059<\/ul>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span><span class=\"p\">[<\/span><span class=\"s1\">'java'<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"o\">=&gt;<\/span> <span class=\"kp\">nil<\/span>\r\n<\/code><\/pre>\n<h2>\u524d\u63d0\u77e5\u8b58 \/ \u6563\u5217\u5b57\u9762\u503c<\/h2>\n<p>\u4e66\u5199\u65b9\u5f0f\u5982\u4e0b\uff0c\u5373\u4f7f\u6700\u540e\u6709\u9017\u53f7\u4e5f\u4e0d\u4f1a\u51fa\u9519\u3002<br \/>\n\u5982\u679c\u540c\u4e00\u4e2a\u952e\u88ab\u591a\u6b21\u4f7f\u7528\uff0c\u5219\u4ee5\u6700\u540e\u4e00\u4e2a\u952e\u4e3a\u51c6\uff08\u5c31\u50cfCSS\u4e00\u6837\uff09\u3002<br \/>\n\u4f46\u662f\uff0c\u5728\u73b0\u573a\u4e2d\u6700\u597d\u4e0d\u8981\u4f7f\u7528\u8fd9\u79cd\u5199\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span>\r\n\r\n<span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span><span class=\"s2\">\"ruby\"<\/span><span class=\"o\">=&gt;<\/span><span class=\"s2\">\"rails\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"php\"<\/span><span class=\"o\">=&gt;<\/span><span class=\"s2\">\"laravel\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"python\"<\/span><span class=\"o\">=&gt;<\/span><span class=\"s2\">\"django\"<\/span><span class=\"p\">}<\/span>\r\n\r\n<span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span>\r\n\r\n<span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span><span class=\"s2\">\"ruby\"<\/span><span class=\"o\">=&gt;<\/span><span class=\"s2\">\"rails\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"php\"<\/span><span class=\"o\">=&gt;<\/span><span class=\"s2\">\"laravel\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"python\"<\/span><span class=\"o\">=&gt;<\/span><span class=\"s2\">\"django\"<\/span><span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u6dfb\u52a0\u54c8\u5e0c<\/h1>\n<p>\u8bf7\u5c06\u65b0\u7684\u952e\u503c\u5bf9\u6dfb\u52a0\u5230\u4e4b\u524d\u5b9a\u4e49\u7684\u53d8\u91cflanguages\u6240\u4ee3\u8868\u7684\u54c8\u5e0c\u8868\u4e2d\u3002<\/p>\n<p>\u8fd4\u56de<\/p>\n<pre class=\"post-pre\"><code>{\"ruby\"=&gt;\"rails\", \"php\"=&gt;\"laravel\", \"python\"=&gt;\"django\", \"javascript\"=&gt;\"react\"}\r\n<\/code><\/pre>\n<h2>\u7edd\u5bf9\u6b63\u786e\u7684\u7b54\u6848<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"n\">languages<\/span><span class=\"p\">[<\/span><span class=\"s1\">'javascript'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'react'<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span>\r\n<\/code><\/pre>\n<p>\u53c2\u8003\uff1a\u9488\u5bf9\u8ffd\u6c42\u4e13\u4e1a\u7684\u4e2a\u4eba\u7684Ruby\u5165\u95e8_\u7b2c148\u9875<\/p>\n<h1>\u8986\u76d6\u54c8\u5e0c<\/h1>\n<p>\u8bf7\u5728\u4e0a\u9762\u5b9a\u4e49\u7684\u53d8\u91cflanguage\u4e2d\u6dfb\u52a0\u65b0\u7684key\u548cvalue\u5bf9\u5230\u54c8\u5e0c\u8868\u4e2d\uff0c\u5e76\u4e14\u7f16\u5199\u4ee3\u7801\u6765\u8986\u76d6\u73b0\u6709key\u7684\u503c\u3002<\/p>\n<p>\u56de\u5f52<\/p>\n<pre class=\"post-pre\"><code>{\"ruby\"=&gt;\"rails\", \"php\"=&gt;\"laravel\", \"python\"=&gt;\"django\", \"javascript\"=&gt;\"vue.js\"}\r\n<\/code><\/pre>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"n\">languages<\/span><span class=\"p\">[<\/span><span class=\"s1\">'javascript'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'react'<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span>\r\n<span class=\"n\">languages<\/span><span class=\"p\">[<\/span><span class=\"s1\">'javascript'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'vue.js'<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span>\r\n<\/code><\/pre>\n<p>\u53c2\u8003\u8d44\u6599: \u300a\u4e3a\u8ffd\u6c42\u6210\u4e3a\u4e13\u4e1a\u4eba\u58eb\u800c\u5199\u7684Ruby\u5165\u95e8\u6307\u5357\u300b\u7b2c148\u9875<\/p>\n<h1>\u4f7f\u7528\u54c8\u5e0c\u8fdb\u884c\u5faa\u73af\u5904\u7406<\/h1>\n<p>\u4f7f\u7528each\u65b9\u6cd5\u5bf9\u54c8\u5e0c\u8fdb\u884c\u64cd\u4f5c\u6709\u4ee5\u4e0b\u7279\u70b9<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5f15\u6570\u30922\u3064\u7528\u610f\u3059\u308c\u3070key\u3068value\u3092\u53d6\u308a\u51fa\u305b\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>key\u3068value\u306e\u30bb\u30c3\u30c8\u306f\u683c\u7d0d\u3057\u305f\u9806\u756a\u306b\u53d6\u308a\u51fa\u305b\u308b<\/p>\n<h2>\u4f7f\u7528\u54c8\u5e0c\u8868\u7684\u5faa\u73af\u5904\u7406\/\u7b2c\u4e00\u9898<\/h2>\n<p>\u8bf7\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\u6765\u5b9e\u73b0\u4ee5\u4e0b\u6240\u793a\u7684\u8fd4\u56de\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code>\"ruby =&gt; rails\"\r\n\"php =&gt; laravel\"\r\n\"python =&gt; django\"\r\n<\/code><\/pre>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n\r\n<span class=\"n\">languages<\/span><span class=\"p\">.<\/span><span class=\"nf\">each<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">k<\/span><span class=\"p\">,<\/span><span class=\"n\">v<\/span><span class=\"o\">|<\/span>\r\n  <span class=\"nb\">p<\/span> <span class=\"s2\">\"<\/span><span class=\"si\">#{<\/span><span class=\"n\">k<\/span><span class=\"si\">}<\/span><span class=\"s2\"> =&gt; <\/span><span class=\"si\">#{<\/span><span class=\"n\">v<\/span><span class=\"si\">}<\/span><span class=\"s2\">\"<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528\u54c8\u5e0c\u8868\u7684\u5faa\u73af\u5904\u7406 \/ \u7b2c\u4e8c\u9898<\/h2>\n<p>\u8bf7\u5199\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u5b9e\u73b0\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u8fd4\u56de\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code>\"[\\\"ruby\\\", \\\"rails\\\"]\"\r\n\"ruby\"\r\n\"rails\"\r\n\"[\\\"php\\\", \\\"laravel\\\"]\"\r\n\"php\"\r\n\"laravel\"\r\n\"[\\\"python\\\", \\\"django\\\"]\"\r\n\"python\"\r\n\"django\"\r\n<\/code><\/pre>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n\r\n<span class=\"n\">languages<\/span><span class=\"p\">.<\/span><span class=\"nf\">each<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">kv<\/span><span class=\"o\">|<\/span>\r\n  <span class=\"nb\">p<\/span> <span class=\"s2\">\"<\/span><span class=\"si\">#{<\/span><span class=\"n\">kv<\/span><span class=\"si\">}<\/span><span class=\"s2\">\"<\/span>\r\n  <span class=\"nb\">p<\/span> <span class=\"n\">kv<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]<\/span>\r\n  <span class=\"nb\">p<\/span> <span class=\"n\">kv<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<p>\u53c2\u8003\uff1a\u7ed9\u90a3\u4e9b\u5e0c\u671b\u6210\u4e3a\u4e13\u4e1a\u4eba\u58eb\u7684Ruby\u521d\u5b66\u8005\u7684Ruby\u5165\u95e8_149\u9875<\/p>\n<h1>\u54c8\u5e0c\u7684\u76f8\u7b49\u6bd4\u8f83<\/h1>\n<p>\u8bf7\u5c06\u54c8\u5e0c\u8fdb\u884c\u7b49\u503c\u6bd4\u8f83\uff0c\u5e76\u8f93\u51fatrue\u3002<\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"n\">programming_languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span> <span class=\"o\">==<\/span> <span class=\"n\">programming_languages<\/span>\r\n\r\n<span class=\"o\">=&gt;<\/span> <span class=\"kp\">true<\/span>\r\n<\/code><\/pre>\n<p>\u53c2\u8003\uff1a\u300aRuby\u5165\u95e8\uff1a\u4e13\u4e3a\u8ffd\u6c42\u4e13\u4e1a\u7684\u4eba\u58eb\u8bbe\u8ba1_150\u9875\u300b<\/p>\n<h1>\u83b7\u53d6\u54c8\u5e0c\u8868\u5143\u7d20\u7684\u6570\u91cf<\/h1>\n<p>\u8bf7\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\u4ee5\u83b7\u53d6\u6563\u5217\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n<h2>\u8fd9\u662f\u6b63\u786e\u7b54\u6848\u3002<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span><span class=\"p\">.<\/span><span class=\"nf\">size<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span><span class=\"p\">.<\/span><span class=\"nf\">length<\/span>\r\n\r\n<span class=\"o\">=&gt;<\/span> <span class=\"mi\">3<\/span>\r\n<span class=\"o\">=&gt;<\/span> <span class=\"mi\">3<\/span>\r\n<\/code><\/pre>\n<p>\u53c2\u8003\u4e66\u7c4d\uff1a\u300a\u9002\u5408\u8ffd\u6c42\u4e13\u4e1a\u7684\u4eba\u5b66\u4e60\u7684Ruby\u5165\u95e8\u300b150\u9875\u3002<\/p>\n<h1>\u5220\u9664\u54c8\u5e0c\u5143\u7d20<\/h1>\n<h2>\u5220\u9664\u6563\u5217\u5143\u7d20 \/ \u95ee\u98981<\/h2>\n<p>\u8bf7\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u4f7f\u7528\u7279\u5b9a\u7684\u65b9\u6cd5\u5220\u9664\u952e\u5e76\u5b9e\u73b0\u4ee5\u4e0b\u793a\u4f8b\u7684\u8fd4\u56de\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code>{\"php\"=&gt;\"laravel\", \"python\"=&gt;\"django\"}\r\n<\/code><\/pre>\n<h2>\u5bf9\u7b54\u6848<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"n\">languages<\/span><span class=\"p\">.<\/span><span class=\"nf\">delete<\/span><span class=\"p\">(<\/span><span class=\"s1\">'ruby'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span>\r\n<\/code><\/pre>\n<h2>\u5220\u9664\u54c8\u5e0c\u5143\u7d20 \/ \u95ee\u98982<\/h2>\n<p>\u5728\u83b7\u53d6\u5df2\u7ecf\u88ab\u5220\u9664\u5143\u7d20\u4e4b\u540e\u7684\u7279\u5b9a\u952e\u65f6\uff0c\u8bf7\u8f93\u51fanil\u3002<\/p>\n<h2>\u6b63\u786e\u7684\u7b54\u6848<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"n\">languages<\/span><span class=\"p\">.<\/span><span class=\"nf\">delete<\/span><span class=\"p\">(<\/span><span class=\"s1\">'ruby'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span><span class=\"p\">[<\/span><span class=\"s1\">'ruby'<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"o\">=&gt;<\/span> <span class=\"kp\">nil<\/span>\r\n<\/code><\/pre>\n<h2>\u522a\u9664\u54c8\u5e0c\u7684\u5143\u7d20 \/ \u7b2c\u4e09\u984c\u554f\u984c<\/h2>\n<p>\u8bf7\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u4ee5\u5220\u9664\u7279\u5b9a\u7684\u952e\u5e76\u5c06\u54c8\u5e0c\u8868\u4f20\u9012\u7ed9\u4e00\u4e2a\u4ee3\u7801\u5757\uff0c\u8fd4\u56de\u503c\u5e94\u8bc1\u660e\u5df2\u5220\u9664\u7684\u952e\u7684\u503c\u3002<\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">languages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"s1\">'ruby'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'rails'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'laravel'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'python'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'django'<\/span><span class=\"p\">,<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">languages<\/span><span class=\"p\">.<\/span><span class=\"nf\">delete<\/span><span class=\"p\">(<\/span><span class=\"s1\">'ruby'<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"o\">|<\/span><span class=\"n\">v<\/span><span class=\"o\">|<\/span> <span class=\"s2\">\"<\/span><span class=\"si\">#{<\/span><span class=\"n\">v<\/span><span class=\"si\">}<\/span><span class=\"s2\">\"<\/span> <span class=\"p\">}<\/span>\r\n\r\n<span class=\"o\">=&gt;<\/span> <span class=\"s2\">\"rails\"<\/span>\r\n<\/code><\/pre>\n<p>\u53c2\u8003\u4e66\u7c4d: \u4e3a\u8ffd\u6c42\u4e13\u4e1a\u6210\u5c31\u7684\u4eba\u51c6\u5907\u7684Ruby\u5165\u95e8\u6307\u5357_150\u9875<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4e86\u50cf\u547c\u5438\u4e00\u6837\u81ea\u7136\u5730\u4e66\u5199Ruby\u8bed\u6cd5\uff0c\u6211\u5199\u8fd9\u6bb5\u4ee3\u7801\u662f\u4e3a\u4e86\u53cd\u590d\u7ec3\u4e60\u90a3\u4e9b\u6211\u7406\u89e3\u6709\u70b9\u6a21\u7cca\u7684\u8bed\u6cd5\u3002 \u524d\u63d0\u77e5\u8b58 t\u00ed z [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-49755","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7528\u4e8e\u5b66\u4e60 Ruby 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