{"id":50715,"date":"2023-03-10T07:21:54","date_gmt":"2023-08-18T02:40:48","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8irb%e6%9d%a5%e6%8e%a2%e7%b4%a2ruby\/"},"modified":"2024-01-15T13:17:25","modified_gmt":"2024-01-15T05:17:25","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8irb%e6%9d%a5%e6%8e%a2%e7%b4%a2ruby","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8irb%e6%9d%a5%e6%8e%a2%e7%b4%a2ruby\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528IRB\u6765\u63a2\u7d22Ruby"},"content":{"rendered":"

\u5f15\u8a00<\/h3>\n

Interactive Ruby\uff08IRB\uff09\u662f\u4e00\u79cd\u5feb\u901f\u63a2\u7d22Ruby\u7f16\u7a0b\u8bed\u8a00\u548c\u5c1d\u8bd5\u4ee3\u7801\u800c\u4e0d\u521b\u5efa\u6587\u4ef6\u7684\u65b9\u5f0f\u3002IRB\u662f\u4e00\u4e2a\u8bfb\u53d6-\u6c42\u503c-\u6253\u5370\u5faa\u73af\uff08REPL\uff09\uff0c\u8bb8\u591a\u73b0\u4ee3\u7f16\u7a0b\u8bed\u8a00\u63d0\u4f9b\u7684\u4e00\u79cd\u5de5\u5177\u3002\u8981\u4f7f\u7528\u5b83\uff0c\u4f60\u542f\u52a8irb\u53ef\u6267\u884c\u6587\u4ef6\u5e76\u5728\u63d0\u793a\u7b26\u4e0b\u952e\u5165\u4f60\u7684Ruby\u4ee3\u7801\u3002IRB\u8bc4\u4f30\u4f60\u952e\u5165\u7684\u4ee3\u7801\u5e76\u663e\u793a\u7ed3\u679c\u3002<\/p>\n

IRB\u8ba9\u60a8\u53ef\u4ee5\u8bbf\u95ee\u6240\u6709\u5185\u7f6e\u7684Ruby\u529f\u80fd\uff0c\u4ee5\u53ca\u60a8\u5b89\u88c5\u7684\u4efb\u4f55\u5e93\u6216gems\u3002\u6b64\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u914d\u7f6eIRB\u6765\u4fdd\u5b58\u60a8\u7684\u547d\u4ee4\u5386\u53f2\u8bb0\u5f55\uff0c\u751a\u81f3\u542f\u7528\u4ee3\u7801\u7684\u81ea\u52a8\u8865\u5168\u3002<\/p>\n

\u5728\u8fd9\u4e2a\u6559\u7a0b\u4e2d\uff0c\u4f60\u5c06\u4f7f\u7528 IRB \u8fd0\u884c\u4e00\u4e9b\u4ee3\u7801\uff0c\u68c0\u67e5\u5176\u8f93\u51fa\uff0c\u5f15\u5165\u5916\u90e8\u5e93\uff0c\u5e76\u81ea\u5b9a\u4e49\u4f60\u7684 IRB \u4f1a\u8bdd\u3002<\/p>\n

\u5f00\u59cb\u548c\u505c\u6b62IRB<\/h2>\n

\u5982\u679c\u4f60\u5df2\u7ecf\u5b89\u88c5\u4e86Ruby\uff0c\u4f60\u4f1a\u6709IRB\u3002\u53ea\u9700\u5728\u5b89\u88c5\u6709Ruby\u7684\u4efb\u4f55\u8ba1\u7b97\u673a\u4e0a\u6267\u884c\u547d\u4ee4\u201cirb\u201d\u5373\u53ef\u542f\u52a8\u5b83\uff0c\u547d\u4ee4\u884c\u754c\u9762\u4e0a\u3002<\/p>\n

<\/code><\/pre>\n
    \n
  1. irb<\/li>\n<\/ol>\n
    <\/code><\/pre>\n
     <\/p>\n
    <\/code><\/pre>\n
    \u4f60\u5c06\u4f1a\u770b\u5230 IRB \u63d0\u793a\u7b26:<\/p>\n
    <\/code><\/pre>\n
    IRB session<\/div>\n
    <\/code><\/pre>\n
    irb(main):001:0><\/p>\n
    <\/code><\/pre>\n
    \u8bf4\u660e\u4e86\u4f60\u6b63\u5728\u8fd0\u884cIRB\uff0c\u5e76\u4e14\u4efb\u4f55\u4f60\u6267\u884c\u7684\u5185\u5bb9\u90fd\u5c06\u5728\u4e3b\u4e0a\u4e0b\u6587\u4e2d\u8fd0\u884c\u3002\u4e3b\u4e0a\u4e0b\u6587\u662fRuby\u7a0b\u5e8f\u7684\u9876\u7ea7\u9ed8\u8ba4\u4e0a\u4e0b\u6587\u3002\u8fd9\u8fd8\u663e\u793a\u4e86\u4e00\u884c\u4ee3\u7801\u7684\u7f16\u53f7\u3002<\/p>\n
    \n
    Note<\/p>\n
    \u8bf4\u660e\uff1a\u5982\u679c\u60a8\u4f7f\u7528RVM\u5b89\u88c5\u4e86Ruby\uff0c\u60a8\u7684\u63d0\u793a\u53ef\u80fd\u4f1a\u7a0d\u6709\u4e0d\u540c\uff0c\u663e\u793a\u7248\u672c\u53f7\u5982\u4e0b\uff1a
    \nRVM2.4.0\u4e2d\u7684IRB\u4f1a\u8bdd\uff1a001 ><\/div>\n
    \u8981\u6309\u7167\u672c\u6559\u7a0b\u4e2d\u663e\u793a\u7684\u63d0\u793a\uff0c\u4f7f\u7528 irb –prompt inf-ruby \u542f\u52a8IRB\u3002<\/p>\n<\/div>\n
    IRB \u63a5\u53d7 Ruby \u8bed\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u63d0\u793a\u7b26\u4e0b\u8f93\u5165\u3002\u8bd5\u7740\u901a\u8fc7\u5c06\u4e24\u4e2a\u6570\u5b57\u76f8\u52a0\u6765\u6d4b\u8bd5\u4e00\u4e0b\uff1a<\/p>\n
    <\/code><\/pre>\n
      \n
    1. 2<\/span> + 2<\/span><\/li>\n<\/ol>\n
      <\/code><\/pre>\n
       <\/p>\n
      <\/code><\/pre>\n
      \u6309\u4e0b\u56de\u8f66\u952e\uff0cIRB \u5c06\u4f1a\u663e\u793a\u4f60\u7684\u7ed3\u679c\u3002<\/p>\n
      <\/code><\/pre>\n
      IRB session<\/div>\n
      <\/code><\/pre>\n
      => 4<\/p>\n
      <\/code><\/pre>\n
      \u201c=>\u201d\u7b26\u53f7\u8ba9\u4f60\u77e5\u9053\u8fd9\u662f\u6765\u81eaRuby\u8868\u8fbe\u5f0f\u7684\u8fd4\u56de\u503c\u3002<\/p>\n
      \u8981\u9000\u51faIRB\uff0c\u8bf7\u5728\u63d0\u793a\u7b26\u5904\u952e\u5165exit\u6216\u6309CTRL+D\u3002\u60a8\u5c06\u8fd4\u56de\u5230shell\u63d0\u793a\u7b26\u3002<\/p>\n
      \u6211\u4eec\u6765\u6df1\u5165\u63a2\u8ba8\u4e00\u4e0b IRB\uff0c\u770b\u770b\u5982\u4f55\u4f7f\u7528\u5b83\u6765\u63a2\u7d22\u4ee3\u7801\u3002<\/p>\n
      \u5728IRB\u4f1a\u8bdd\u4e2d\u6267\u884c\u4ee3\u7801<\/h2>\n
      IRB\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u7f16\u5199\u4ee3\u7801\uff0c\u4ee5\u67e5\u770b\u5b83\u662f\u5426\u662f\u89e3\u51b3\u60a8\u95ee\u9898\u7684\u597d\u65b9\u6cd5\u3002Ruby\u4e2d\u7684\u51e0\u4e4e\u6240\u6709\u5185\u5bb9\u90fd\u8fd4\u56de\u67d0\u4e2a\u503c\uff0c\u5e76\u4e14\u6bcf\u6b21\u5728IRB\u4e2d\u6267\u884c\u8bed\u53e5\u65f6\uff0c\u60a8\u90fd\u4f1a\u5728\u5c4f\u5e55\u4e0a\u770b\u5230\u8be5\u8fd4\u56de\u503c\u6253\u5370\u51fa\u6765\u3002<\/p>\n
      \u4e3a\u4e86\u8bc1\u660e\u8fd9\u4e00\u70b9\uff0c\u5728\u65b0\u7684IRB\u4f1a\u8bdd\u4e2d\u6267\u884c\u8fd9\u4e2a\u8bed\u53e5\u3002<\/p>\n
      <\/code><\/pre>\n
        \n
      1. puts “Hello World”<\/span><\/li>\n<\/ol>\n
        <\/code><\/pre>\n
         <\/p>\n
        <\/code><\/pre>\n
        \u5f53\u60a8\u6309\u4e0b\u56de\u8f66\u952e\u65f6\uff0c\u60a8\u5c06\u5728IRB\u4e2d\u770b\u5230\u4e24\u4e2a\u7ed3\u679c\u3002<\/p>\n
        <\/code><\/pre>\n
        OUTPUT<\/div>\n
        <\/code><\/pre>\n
        Hello World => nil<\/p>\n
        <\/code><\/pre>\n
        \u7b2c\u4e00\u4e2a\u7ed3\u679c\u662fputs\u65b9\u6cd5\u7684\u8f93\u51fa\uff0c\u5b83\u6253\u5370\u4f60\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u6362\u884c\u3002puts\u65b9\u6cd5\u5c06\u6587\u672c\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\u8bbe\u5907\uff0c\u4e5f\u5c31\u662f\u4f60\u7684\u5c4f\u5e55\u3002\u4f46\u662fputs\u65b9\u6cd5\u6709\u4e00\u4e2a\u8fd4\u56de\u503c\uff0c\u56e0\u4e3aRuby\u4e2d\u7684\u6bcf\u4e2a\u65b9\u6cd5\u90fd\u6709\u8fd4\u56de\u503c\u3002puts\u65b9\u6cd5\u8fd4\u56denil\uff0c\u8fd9\u5c31\u662fIRB\u5411\u4f60\u663e\u793a\u7684\u5185\u5bb9\u3002<\/p>\n
        \u6bcf\u6b21\u6267\u884c\u4e00\u6761\u8bed\u53e5\u65f6\uff0c\u63d0\u793a\u4f1a\u6539\u53d8\uff0c\u663e\u793a\u4e00\u4e2a\u65b0\u7684\u884c\u53f7\u3002<\/p>\n
        irb(main):001:0> puts \"Hello World\"\r\nHello World\r\n=> nil\r\nirb(main):002:0>\r\n<\/code><\/pre>\n
        \u8fd9\u4e2a\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5728 IRB \u4f1a\u8bdd\u4e2d\u5904\u7406\u66f4\u590d\u6742\u7684\u8868\u8fbe\u5f0f\u65f6\u8fdb\u884c\u8c03\u8bd5\uff0c\u56e0\u4e3a\u9519\u8bef\u4fe1\u606f\u4f1a\u63d0\u5230\u5177\u4f53\u7684\u884c\u53f7\u3002<\/p>\n
        \u4f60\u53ef\u4ee5\u50cf\u5728\u72ec\u7acb\u7684Ruby\u7a0b\u5e8f\u4e2d\u4e00\u6837\uff0c\u5728IRB\u4f1a\u8bdd\u4e2d\u4e3a\u53d8\u91cf\u8d4b\u503c\u3002\u901a\u8fc7\u5c06\u8be5\u8bed\u53e5\u952e\u5165\u5230IRB\u4f1a\u8bdd\u5e76\u6309ENTER\u6267\u884c\u3002<\/p>\n
        <\/code><\/pre>\n
          \n
        1. birth_year =<\/span> 1868<\/span><\/li>\n<\/ol>\n
          <\/code><\/pre>\n
           <\/p>\n
          <\/code><\/pre>\n
          \u4f60\u4f1a\u770b\u5230\u8fd9\u4e2a\u8bed\u53e5\u7684\u8fd4\u56de\u503c\u88ab\u56de\u663e\u51fa\u6765\uff1a<\/p>\n
          <\/code><\/pre>\n
          IRB session<\/div>\n
          <\/code><\/pre>\n
          => 1868<\/p>\n
          <\/code><\/pre>\n
          \u53d8\u91cfbirth_year\u4fdd\u5b58\u4e86\u8fd9\u4e2a\u503c\uff0c\u4f46\u662f\u7531\u4e8eRuby\u7684\u5927\u591a\u6570\u8bed\u53e5\u90fd\u8fd4\u56de\u503c\uff0c\u6240\u4ee5IRB\u4e5f\u5728\u8fd9\u91cc\u663e\u793a\u7ed9\u4f60\u8fd4\u56de\u503c\u3002<\/p>\n
          \u6dfb\u52a0\u4e24\u4e2a\u53d8\u91cf\u3002\u9996\u5148\uff0c\u8bf7\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a\u201c\u6b7b\u4ea1\u5e74\u4efd\u201d\u7684\u53d8\u91cf\u3002<\/p>\n
          <\/code><\/pre>\n
            \n
          1. death_year =<\/span> 1921<\/span><\/li>\n<\/ol>\n
            <\/code><\/pre>\n
             <\/p>\n
            <\/code><\/pre>\n
            \u7136\u540e\u901a\u8fc7\u5c06\u51fa\u751f\u5e74\u4efd\u51cf\u53bb\u6b7b\u4ea1\u5e74\u4efd\u6765\u521b\u5efa\u53d8\u91cfage_at_death\u3002<\/p>\n
            <\/code><\/pre>\n
              \n
            1. age_at_death =<\/span> death_year – birth_year<\/li>\n<\/ol>\n
              <\/code><\/pre>\n
               <\/p>\n
              <\/code><\/pre>\n
              \u4f46\u5b83\u8fd8\u5411\u4f60\u663e\u793a\u7ed3\u679c\uff0c\u5c06\u503c\u5206\u914d\u7ed9\u53d8\u91cf\u3002<\/p>\n
              <\/code><\/pre>\n
              IRB session<\/div>\n
              <\/code><\/pre>\n
              => 53<\/p>\n
              <\/code><\/pre>\n
              \u5f53\u4f60\u5728IRB\u4f1a\u8bdd\u4e2d\u65f6\uff0c\u5982\u679c\u4e0d\u60f3\u4f7f\u7528\u663e\u5f0f\u7684puts\u6216print\u8bed\u53e5\uff0c\u4e5f\u6ca1\u5173\u7cfb\uff0c\u56e0\u4e3a\u4f60\u4f1a\u770b\u5230\u8fd4\u56de\u503c\u663e\u793a\u51fa\u6765\u3002<\/p>\n
              \u6709\u65f6\u5019\u4f60\u4f1a\u60f3\u8981\u7f16\u5199\u8de8\u8d8a\u591a\u884c\u7684\u4ee3\u7801\u3002IRB\u5728\u8fd9\u65b9\u9762\u6709\u76f4\u89c2\u7684\u652f\u6301\u3002IRB\u53ea\u4f1a\u6267\u884c\u8bed\u6cd5\u5b8c\u6574\u7684\u4ee3\u7801\u3002\u4e0b\u9762\u7684Ruby\u4ee3\u7801\u4f7f\u7528\u4e86\u4e00\u4e2a\u9ca8\u9c7c\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528select\u65b9\u6cd5\u8fd4\u56de\u53ea\u5305\u542b\u5b57\u6bcd\u201ca\u201d\u7684\u9ca8\u9c7c\u540d\u79f0\u3002\u5c06\u8fd9\u6bb5\u4ee3\u7801\u8f93\u5165\u5230\u4f60\u7684IRB\u4f1a\u8bdd\u4e2d\uff0c\u6bcf\u884c\u6309\u4e0bENTER\u952e\uff1a<\/p>\n
              [<\/span>\"Tiger\"<\/span><\/span>,<\/span> \"Great White\"<\/span><\/span>,<\/span> \"Angel\"<\/span><\/span>]<\/span>.<\/span>select do<\/span> |<\/span>shark|<\/span>\r\nshark.<\/span>include<\/span>?<\/span>(<\/span>\"a\"<\/span><\/span>)<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
              IRB\u5141\u8bb8\u60a8\u8f93\u5165\u591a\u884c\u4ee3\u7801\uff0c\u4f46\u4ec5\u5f53\u5b83\u8ba4\u4e3a\u4ee3\u7801\u5728\u8bed\u6cd5\u4e0a\u662f\u5b8c\u6574\u7684\u65f6\u624d\u6267\u884c\u4ee3\u7801\u3002\u8bf7\u6ce8\u610f\uff0c\u63d0\u793a\u7b26\u4f1a\u6539\u53d8\uff0c\u4ee5\u8868\u793aIRB\u5c1a\u672a\u8bc4\u4f30\u60a8\u7684\u4ee3\u7801\uff0c\u5b83\u4f1a\u4f7f\u7528\u4e00\u4e2a\u661f\u53f7\uff08*\uff09\uff0c\u5e76\u5c06\u6700\u540e\u7684\u96f6\u66f4\u6539\u4e3a\u4e00\uff0c\u4ee5\u8868\u793a\u4e0d\u540c\u7684\u8303\u56f4\u3002<\/p>\n
              <\/code><\/pre>\n
              IRB session<\/div>\n
              <\/code><\/pre>\n
              irb(main):005:0> [“Tiger”, “Great White”, “Angel”].select do |shark| irb(main):006:1*<\/mark> shark.include?(“a”) irb(main):007:1<\/mark>> end<\/p>\n
              <\/code><\/pre>\n
              \u7531\u65bc\u7b2c\u4e00\u884c\u5305\u542b\u4e86\u201cdo\u201d\u95dc\u9375\u8a5e\uff0cIRB\u4e0d\u6703\u5617\u8a66\u57f7\u884c\u4efb\u4f55\u5167\u5bb9\uff0c\u76f4\u5230\u9047\u5230\u201cend\u201d\u95dc\u9375\u8a5e\u3002\u7136\u5f8c\u5b83\u6703\u986f\u793a\u7d50\u679c\u3002<\/p>\n
              <\/code><\/pre>\n
              IRB session<\/div>\n
              <\/code><\/pre>\n
              => [“Great White”]<\/p>\n
              <\/code><\/pre>\n
              \u4f7f\u7528IRB\uff0c\u60a8\u53ef\u4ee5\u6d4b\u8bd5\u4ee3\u7801\u7247\u6bb5\uff0c\u4ee5\u67e5\u770b\u5b83\u4eec\u5728\u5408\u5e76\u5230\u60a8\u81ea\u5df1\u7684\u7a0b\u5e8f\u4e4b\u524d\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528IRB\u4e0e\u5916\u90e8\u5e93\u8fdb\u884c\u5de5\u4f5c\u3002<\/p>\n
              \u4f7f\u7528\u5e93\u548c\u5b9d\u77f3<\/h2>\n
              \u60a8\u53ef\u4ee5\u4f7f\u7528`require`\u8bed\u53e5\u5c06\u5e93\u5bfc\u5165\u5230IRB\u4f1a\u8bdd\u4e2d\uff0c\u5c31\u50cf\u5728Ruby\u7a0b\u5e8f\u4e2d\u4e00\u6837\u3002\u8fd9\u4e9b\u5e93\u53ef\u4ee5\u662fRuby\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e9b\u4e1c\u897f\uff0c\u60a8\u81ea\u5df1\u7f16\u5199\u7684\u4ee3\u7801\uff0c\u6216\u8005\u662f\u901a\u8fc7Rubygems.org\u5206\u53d1\u7684Ruby\u5e93\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528`gem`\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n
              Ruby\u7684\u6807\u51c6\u5e93\u5305\u62ec\u7528\u4e8e\u53d1\u8d77\u7f51\u7edc\u8bf7\u6c42\u548c\u83b7\u53d6\u7ed3\u679c\u7684\u6a21\u5757\u3002\u4f60\u53ef\u4ee5\u5728IRB\u4f1a\u8bdd\u4e2d\u50cf\u5728Ruby\u7a0b\u5e8f\u4e2d\u4e00\u6837\u4f7f\u7528\u8fd9\u4e9b\u6a21\u5757\u3002<\/p>\n
              \u4f7f\u7528require\u8bed\u53e5\u4eceRuby\u7684\u6807\u51c6\u5e93\u4e2d\u5bfc\u5165Net\/HTTP\u3002\u5c06\u4e0b\u9762\u7684\u4ee3\u7801\u8f93\u5165\u5230IRB\u4f1a\u8bdd\u4e2d\u5e76\u6309\u4e0bENTER\u952e\uff1a<\/p>\n
              require<\/span> 'net\/http'<\/span><\/span>\r\n<\/code><\/pre>\n
              IRB\u6307\u51fa\u8fd9\u4e2a\u8bed\u53e5\u8fd4\u56detrue\uff0c\u8868\u660e\u5e93\u88ab\u6210\u529f\u52a0\u8f7d\u3002\u73b0\u5728\u5728IRB\u4e2d\u952e\u5165\u6b64\u4ee3\u7801\uff0c\u5411icanhazip.com\u53d1\u51fa\u8bf7\u6c42\u4ee5\u83b7\u53d6\u60a8\u7684\u5916\u90e8IP\u5730\u5740\u3002<\/p>\n
              uri =<\/span> URI<\/span>.<\/span>parse(<\/span>\"http:\/\/icanhazip.com\"<\/span><\/span>)<\/span>\r\nresponse =<\/span> Net::<\/span>HTTP<\/span>.<\/span>get_response uri\r\nresponse.<\/span>body\r\n<\/code><\/pre>\n
              \u5f53\u4f60\u8f93\u5165\u6bcf\u4e00\u884c\u4ee3\u7801\u65f6\uff0cIRB\u4f1a\u663e\u793a\u8fd4\u56de\u503c\uff0c\u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u9010\u6b65\u8c03\u8bd5\u3002<\/p>\n
              <\/code><\/pre>\n
              IRB session<\/div>\n
              <\/code><\/pre>\n
              irb(main):010:0> uri = URI.parse(“http:\/\/icanhazip.com”) => #<URI::HTTP http:\/\/icanhazip.com><\/mark> irb(main):011:0> response = Net::HTTP.get_response uri => #<Net::HTTPOK 200 OK readbody=true><\/mark> irb(main):012:0> response.body => 203.0.113.52\\n<\/mark><\/p>\n
              <\/code><\/pre>\n
              \u5982\u679c\u627e\u4e0d\u5230\u5e93\uff0c\u5c06\u4f1a\u770b\u5230\u4e0d\u540c\u7684\u54cd\u5e94\u3002\u5c1d\u8bd5\u5bfc\u5165HTTParty\u5e93\uff0c\u5b83\u4f7f\u5f97\u5904\u7406HTTP\u8bf7\u6c42\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u4e00\u4e9b\u3002<\/p>\n
              require<\/span> 'httparty'<\/span><\/span>\r\n<\/code><\/pre>\n
              \u4f60\u5c06\u4f1a\u770b\u5230\u8fd9\u6761\u6d88\u606f\uff1a<\/p>\n
              <\/code><\/pre>\n
              IRB session<\/div>\n
              <\/code><\/pre>\n
              LoadError: cannot load such file — httparty<\/p>\n
              <\/code><\/pre>\n
              \u8fd9\u6761\u6d88\u606f\u544a\u8bc9\u4f60\u6240\u9700\u7684\u56fe\u4e66\u9986\u4e0d\u53ef\u7528\u3002HTTParty\u4f5c\u4e3a\u4e00\u4e2agem\u8fdb\u884c\u5206\u53d1\uff0c\u6240\u4ee5\u4f60\u5fc5\u987b\u5b89\u88c5\u5b83\u3002\u4f7f\u7528CTRL+D\u9000\u51fa\u4f60\u7684IRB\u4f1a\u8bdd\uff0c\u6216\u8005\u8f93\u5165exit\u8fd4\u56de\u5230\u63d0\u793a\u7b26\u3002\u7136\u540e\u4f7f\u7528gem\u547d\u4ee4\u6765\u5b89\u88c5httparty gem\u3002<\/p>\n
              <\/code><\/pre>\n
                \n
              1. gem install<\/span> httparty<\/li>\n<\/ol>\n
                <\/code><\/pre>\n
                 <\/p>\n
                <\/code><\/pre>\n
                \u73b0\u5728\u91cd\u65b0\u542f\u52a8irb\u3002<\/p>\n
                <\/code><\/pre>\n
                  \n
                1. irb<\/li>\n<\/ol>\n
                  <\/code><\/pre>\n
                   <\/p>\n
                  <\/code><\/pre>\n
                  \u8bf7\u518d\u6b21\u52a0\u8f7d\u8fd9\u4e2a\u6a21\u5757\u3002\u5728\u4f60\u7684IRB\u4f1a\u8bdd\u4e2d\uff0c\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
                  require<\/span> 'httparty`\r\n<\/code><\/pre>\n
                  \u8fd9\u6b21\uff0cIRB\u5c06\u663e\u793a\u201ctrue\u201d\uff0c\u4ee5\u5411\u60a8\u8868\u660e\u5b83\u80fd\u591f\u52a0\u8f7d\u5e93\u3002\u5c06\u6b64\u4ee3\u7801\u8f93\u5165\u5230IRB\u4e2d\u4ee5\u8fdb\u884c\u5c1d\u8bd5\u3002<\/p>\n
                  response =<\/span> HTTParty.<\/span>get(<\/span>\"http:\/\/icanhazip.com\"<\/span><\/span>)<\/span>\r\nresponse.<\/span>body\r\n<\/code><\/pre>\n
                  \u4f60\u5c06\u4f1a\u770b\u5230\u8f93\u51fa\u88ab\u6253\u5370\u5230\u5c4f\u5e55\u4e0a\u3002<\/p>\n
                  <\/code><\/pre>\n
                  IRB session<\/div>\n
                  <\/code><\/pre>\n
                  => 203.0.113.52\\n<\/mark><\/p>\n
                  <\/code><\/pre>\n
                  \u73b0\u5728\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u4f7f\u7528IRB\u63a2\u7d22\u548c\u6d4b\u8bd5\u4f60\u81ea\u5df1\u7684Ruby\u4ee3\u7801\u3002<\/p>\n
                  \u5c06\u60a8\u7684\u4ee3\u7801\u52a0\u8f7d\u5230IRB\u4e2d<\/h2>\n
                  \u5982\u679c\u4f60\u542f\u52a8\u4e00\u4e2aIRB\u4f1a\u8bdd\uff0c\u5e76\u4f7f\u7528-r\u5f00\u5173\uff0c\u4f60\u53ef\u4ee5\u5728IRB\u542f\u52a8\u65f6\u6307\u5b9a\u4f60\u60f3\u8981\u52a0\u8f7d\u7684\u5e93\u6216gem\u3002\u4f8b\u5982\uff0cirb -r httparty\u4f1a\u542f\u52a8\u4e00\u4e2a\u5df2\u7ecf\u52a0\u8f7d\u4e86httparty gem\u7684IRB\u4f1a\u8bdd\uff0c\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u8df3\u8fc7\u663e\u5f0frequire httparty\u8bed\u53e5\u3002<\/p>\n
                  \u7136\u800c\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5b83\u5c06\u81ea\u5df1\u7684\u4ee3\u7801\u52a0\u8f7d\u5230\u4e00\u4e2a\u65b0\u7684\u4f1a\u8bdd\u4e2d\uff0c\u8fd9\u5728\u60a8\u60f3\u8981\u8fdb\u884c\u63a2\u7d22\u6216\u6d4b\u8bd5\u65f6\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n
                  \u901a\u8fc7\u8f93\u5165exit\u6216\u6309\u4e0bCTRL+D\u6765\u9000\u51fa\u60a8\u7684IRB\u4f1a\u8bdd\u3002<\/p>\n
                  \u521b\u5efa\u4e00\u4e2a\u540d\u4e3aip_grabber.rb\u7684\u65b0\u7684Ruby\u6587\u4ef6\uff0c\u8be5\u6587\u4ef6\u5b9a\u4e49\u4e86\u4e00\u4e2aIPGrabber\u5bf9\u8c61\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2aget\u65b9\u6cd5\u3002\u5f53\u63d0\u4f9b\u4e00\u4e2aURL\u65f6\uff0c\u8be5\u65b9\u6cd5\u5c06\u8fd4\u56de\u673a\u5668\u7684\u5916\u90e8IP\u5730\u5740\u3002\u4f60\u5c06\u4f7f\u7528HTTParty\u5e93\u6765\u83b7\u53d6icanhazip.com\u7684\u54cd\u5e94\u3002\u4f60\u53ef\u4ee5\u5728\u81ea\u5df1\u7684\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u8fd9\u4e2aIPGrabber\u5bf9\u8c61\u6765\u4fdd\u62a4\u4f60\u7684\u4ee3\u7801\u514d\u53d7\u5916\u90e8\u53d8\u5316\u7684\u5f71\u54cd\uff1b\u4f7f\u7528\u8fd9\u4e2a\u5bf9\u8c61\u53ef\u4ee5\u8ba9\u4f60\u5728\u65e0\u9700\u6539\u53d8\u4f60\u7684\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u5207\u6362\u6389\u5e95\u5c42\u5e93\u548c\u7528\u4e8e\u89e3\u6790IP\u5730\u5740\u7684\u7f51\u7ad9\u3002<\/p>\n
                  \u5c06\u6b64\u4ee3\u7801\u6dfb\u52a0\u5230\u6587\u4ef6\u4e2d\u4ee5\u5b9a\u4e49\u7c7b\uff1a<\/p>\n
                  \u83b7\u53d6IP\u5730\u5740\u7684\u811a\u672c\uff08ip_grabber.rb\uff09<\/div>\n
                  require<\/span> 'httparty'<\/span><\/span>\r\nclass<\/span> IPGrabber<\/span>\r\n\r\ndef<\/span> initialize<\/span><\/span>(<\/span>)<\/span>\r\n@url<\/span> =<\/span> \"http:\/\/icanhazip.com\"<\/span><\/span>\r\nend<\/span>\r\n\r\ndef<\/span> get<\/span><\/span>\r\nresponse =<\/span> HTTParty.<\/span>get(<\/span>@url<\/span>)<\/span>\r\nresponse.<\/span>body.<\/span>chomp # remove the \\n if it exists<\/span>\r\nend<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
                  \u4fdd\u5b58\u6587\u4ef6\u5e76\u9000\u51fa\u7f16\u8f91\u5668\u3002<\/p>\n
                  \u7136\u540e\u542f\u52a8IRB\u5e76\u52a0\u8f7d\u8be5\u6587\u4ef6\u3002\u7531\u4e8e\u5b83\u662f\u4e00\u4e2a\u672c\u5730\u6587\u4ef6\u800c\u4e0d\u662f\u4e00\u4e2a gem \u6216\u5185\u7f6e\u5e93\uff0c\u4f60\u5fc5\u987b\u6307\u5b9a\u8def\u5f84\u3002\u540c\u65f6\uff0c\u4f60\u4e5f\u4e0d\u9700\u8981\u6307\u5b9a\u6587\u4ef6\u7684 .rb \u6269\u5c55\u540d\u3002<\/p>\n
                  <\/code><\/pre>\n
                    \n
                  1. irb -r<\/span> .\/ip_grabber<\/li>\n<\/ol>\n
                    <\/code><\/pre>\n
                     <\/p>\n
                    <\/code><\/pre>\n
                    IRB\u4f1a\u8bdd\u52a0\u8f7d\u5b8c\u6210\u540e\uff0c\u4f60\u53ef\u4ee5\u50cf\u8fd9\u6837\u5728\u4f1a\u8bdd\u4e2d\u5f00\u59cb\u4f7f\u7528\u8fd9\u4e2a\u65b0\u5bf9\u8c61\u3002<\/p>\n
                    ip =<\/span> IPGrabber<\/span>.<\/span>new<\/span>\r\nip.<\/span>get\r\n<\/code><\/pre>\n
                    \u4f60\u4f1a\u770b\u5230\u8fd9\u4e2a\u8f93\u51fa\u3002<\/p>\n
                    <\/code><\/pre>\n
                    IRB session<\/div>\n
                    <\/code><\/pre>\n
                    => 203.0.113.52<\/mark><\/p>\n
                    <\/code><\/pre>\n
                    \u901a\u8fc7\u5c06\u4f60\u81ea\u5df1\u7684\u4ee3\u7801\u52a0\u8f7d\u5230 IRB \u4f1a\u8bdd\u4e2d\uff0c\u4f60\u53ef\u4ee5\u68c0\u67e5\u4ee3\u7801\uff0c\u5e76\u5728\u5c06\u5176\u52a0\u5165\u5b8c\u6574\u7a0b\u5e8f\u4e4b\u524d\u4e0e\u4f60\u81ea\u5df1\u7684\u5e93\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n
                    \u65e2\u7136\u4f60\u5df2\u7ecf\u77e5\u9053\u5982\u4f55\u5728IRB\u4f1a\u8bdd\u4e2d\u4f7f\u7528\u4ee3\u7801\u4e86\uff0c\u73b0\u5728\u8ba9\u6211\u4eec\u6765\u770b\u770b\u5982\u4f55\u81ea\u5b9a\u4e49\u4f60\u7684IRB\u4f1a\u8bdd\u3002<\/p>\n
                    \u5b9a\u5236 IRB<\/h2>\n
                    \u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a.irbrc\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u4ece\u800c\u5b9a\u5236\u60a8\u7684IRB\u4f1a\u8bdd\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u81ea\u52a8\u8865\u5168\u3001\u7f29\u8fdb\u548c\u547d\u4ee4\u5386\u53f2\u8bb0\u5f55\u529f\u80fd\u6765\u589e\u5f3a\u5b83\u3002<\/p>\n
                    \u5728\u4f60\u7684\u5bb6\u76ee\u5f55\u4e0b\u521b\u5efa\u8fd9\u4e2a\u6587\u4ef6\u3002<\/p>\n
                    <\/code><\/pre>\n
                      \n
                    1. nano<\/span> ~\/.irbrc<\/li>\n<\/ol>\n
                      <\/code><\/pre>\n
                       <\/p>\n
                      <\/code><\/pre>\n
                      \u9996\u5148\uff0c\u5728IRB\u4e2d\u914d\u7f6e\u81ea\u52a8\u8865\u5168\u529f\u80fd\u3002\u8fd9\u6837\u53ef\u4ee5\u8ba9\u4f60\u5728IRB\u4e2d\u4f7f\u7528TAB\u952e\u6765\u81ea\u52a8\u8865\u5168\u5bf9\u8c61\u3001\u53d8\u91cf\u540d\u548c\u65b9\u6cd5\u540d\u3002<\/p>\n
                      \u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u4ee5\u4e2d\u6587\u672c\u5730\u5316\u65b9\u5f0f\u8fdb\u884c\u6539\u5199\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a
                      \n~\/.irbrc\u6211\u7684.irbrc\u6587\u4ef6<\/p>\n<\/div>\n
                      require<\/span> 'irb\/completion'<\/span><\/span>\r\n<\/code><\/pre>\n
                      \u63a5\u4e0b\u6765\uff0c\u6dfb\u52a0\u652f\u6301\u5c06\u60a8\u7684\u547d\u4ee4\u5386\u53f2\u4fdd\u5b58\u5230\u5916\u90e8\u6587\u4ef6\u4e2d\u3002<\/p>\n
                      \u4ee5\u4e0b\u4e3a ~\/.irbrc \u7684\u8bd1\u6587\uff1a<\/div>\n
                      IRB<\/span>.<\/span>conf[<\/span>:SAVE_HISTORY<\/span>]<\/span> =<\/span> 1000<\/span>\r\n<\/code><\/pre>\n
                      \u542f\u7528\u6b64\u529f\u80fd\u540e\uff0c\u60a8\u5728\u5bb6\u76ee\u5f55\u4e2d\u7684.irb_history\u6587\u4ef6\u5c06\u8bb0\u5f55\u60a8\u8f93\u5165\u7684\u6700\u540e1000\u6761\u8bed\u53e5\u3002<\/p>\n
                      \u6b64\u5916\uff0c\u5f53\u60a8\u6253\u5f00\u4e00\u4e2a\u65b0\u7684IRB\u4f1a\u8bdd\u65f6\uff0c\u60a8\u7684\u5386\u53f2\u8bb0\u5f55\u5c06\u81ea\u52a8\u52a0\u8f7d\uff0c\u5e76\u4e14\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0a\u4e0b\u7bad\u5934\u952e\u6d4f\u89c8\u8fd9\u4e9b\u6761\u76ee\uff0c\u6216\u4f7f\u7528CTRL+R\u8fdb\u884c\u53cd\u5411\u641c\u7d22\uff0c\u5c31\u50cf\u5728Bash shell\u4e2d\u4e00\u6837\u3002<\/p>\n
                      \u5982\u679c\u60a8\u60f3\u6307\u5b9a\u4e00\u4e2a\u4e0d\u540c\u7684\u5386\u53f2\u8bb0\u5f55\u6587\u4ef6\uff0c\u8bf7\u5c06\u6b64\u6dfb\u52a0\u5230\u60a8\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u3002<\/p>\n
                      \u7528\u4e2d\u6587\u81ea\u7136\u5730\u89e3\u91ca ~\/.irbrc\u3002<\/div>\n
                      IRB<\/span>.<\/span>conf[<\/span>:HISTORY_FILE<\/span>]<\/span> =<\/span> '~\/your_history_filename<\/mark>'<\/span><\/span>\r\n<\/code><\/pre>\n
                      \u63a5\u4e0b\u6765\uff0c\u5c06\u8fd9\u884c\u4ee3\u7801\u6dfb\u52a0\u5230\u4f60\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u4ee5\u542f\u7528\u81ea\u52a8\u7f29\u8fdb\u3002\u5f53\u7f16\u5199\u7c7b\u3001\u65b9\u6cd5\u548c\u5757\u65f6\uff0c\u8fd9\u5c06\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n
                      \u628a\u4ee5\u4e0b\u5185\u5bb9\u8fdb\u884c\u4e2d\u6587\u672c\u5730\u5316\u6539\u5199\uff0c\u53ea\u9700\u8981\u4e00\u79cd\u9009\u62e9\uff1a
                      \n\uff5e\/.irbrc<\/div>\n
                      IRB<\/span>.<\/span>conf[<\/span>:AUTO_INDENT<\/span>]<\/span> =<\/span> true<\/span>\r\n<\/code><\/pre>\n
                      \u4f60\u7684\u914d\u7f6e\u6587\u4ef6\u53ef\u4ee5\u5305\u542b\u4efb\u4f55\u6709\u6548\u7684Ruby\u4ee3\u7801\uff0c\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u5b9a\u4e49\u5e2e\u52a9\u65b9\u6cd5\u6216\u4f7f\u7528require\u6765\u52a0\u8f7d\u989d\u5916\u7684\u5e93\u3002\u4f8b\u5982\uff0c\u8981\u5c06\u5386\u53f2\u52a9\u624b\u6dfb\u52a0\u5230\u4f60\u7684IRB\u4f1a\u8bdd\u4e2d\uff0c\u4ee5\u663e\u793a\u4f60\u7684\u5386\u53f2\u8bb0\u5f55\uff0c\u8bf7\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230.irbrc:<\/p>\n
                      .irbrc\u662f\u4e00\u4e2a\u5b58\u50a8Ruby\u4ee3\u7801\u7247\u6bb5\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/div>\n
                      def<\/span> history<\/span><\/span>\r\nhistory_array =<\/span> Readline::<\/span>HISTORY<\/span>.<\/span>to_a\r\nprint history_array.<\/span>join(<\/span>\"\\n\"<\/span><\/span>)<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
                      \u5f53\u4f60\u52a0\u8f7dIRB\u4f1a\u8bdd\u65f6\uff0c\u8f93\u5165history\u547d\u4ee4\u4ee5\u67e5\u770b\u4f60\u7684IRB\u5386\u53f2\u8bb0\u5f55\u3002\u53ef\u80fd\u4f1a\u6709\u5f88\u591a\u6761\u8bb0\u5f55\uff0c\u6240\u4ee5\u4f60\u53ef\u4ee5\u4fee\u6539history\u547d\u4ee4\uff0c\u4f7f\u5176\u53ef\u4ee5\u663e\u793a\u53ef\u9009\u884c\u6570\u3002\u5c06history\u51fd\u6570\u7684\u4ee3\u7801\u66ff\u6362\u4e3a\u4ee5\u4e0b\u4ee3\u7801\uff0c\u8be5\u4ee3\u7801\u63a5\u53d7\u4e00\u4e2a\u540d\u4e3acount\u7684\u53ef\u9009\u53c2\u6570\uff0c\u5e76\u4f7f\u7528\u5b83\u6765\u9650\u5236\u663e\u793a\u7684\u6761\u76ee\u6570\u91cf\u3002<\/p>\n
                      .irbrc\u53ef\u4ee5\u88ab\u6539\u5199\u4e3a: Ruby\u914d\u7f6e\u6587\u4ef6.<\/div>\n
                      \r\n# history command<\/span>\r\ndef<\/span> history<\/span><\/span>(<\/span>count =<\/span> 0<\/span>)<\/span>\r\n\r\n# Get history into an array<\/span>\r\nhistory_array =<\/span> Readline::<\/span>HISTORY<\/span>.<\/span>to_a\r\n\r\n# if count is > 0 we'll use it.<\/span>\r\n# otherwise set it to 0<\/span>\r\ncount =<\/span> count ><\/span> 0<\/span> ?<\/span> count :<\/span> 0<\/span>\r\n\r\nif<\/span> count ><\/span> 0<\/span>\r\nfrom =<\/span> history_array.<\/span>length -<\/span> count\r\nhistory_array =<\/span> history_array[<\/span>from..<\/span>-<\/span>1<\/span>]<\/span>\r\nend<\/span>\r\n\r\nprint history_array.<\/span>join(<\/span>\"\\n\"<\/span><\/span>)<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
                      \u4fdd\u5b58\u6587\u4ef6\u5e76\u542f\u52a8\u4e00\u4e2a\u65b0\u7684IRB\u4f1a\u8bdd\u3002\u7136\u540e\u8f93\u5165history 2\uff0c\u4f60\u5c06\u53ea\u80fd\u770b\u5230\u4f60\u5386\u53f2\u8bb0\u5f55\u7684\u6700\u540e\u4e24\u884c\u3002<\/p>\n
                      \u5c3d\u7ba1\u4f60\u53ef\u4ee5\u4f7f\u7528.irbrc\u6587\u4ef6\u52a0\u8f7d\u4f60\u7ecf\u5e38\u4f7f\u7528\u7684\u5e93\uff0c\u4f46\u662f\u8981\u8bb0\u4f4f\u6bcf\u4e2a\u52a0\u8f7d\u7684\u5e93\u90fd\u4f1a\u589e\u52a0IRB\u4f1a\u8bdd\u7684\u52a0\u8f7d\u65f6\u95f4\uff0c\u8fd9\u53ef\u80fd\u4f1a\u4f7f\u4f7f\u7528\u4e0d\u592a\u6109\u5feb\u3002\u901a\u5e38\u6700\u597d\u4f7f\u7528require\u8bed\u53e5\u624b\u52a8\u52a0\u8f7d\u7279\u5b9a\u7684\u5e93\u3002<\/p>\n
                      \u7ed3\u8bba<\/h2>\n
                      IRB \u63d0\u4f9b\u4e86\u4e00\u4e2a\u5b9e\u9a8c Ruby \u4ee3\u7801\u7684\u573a\u6240\u3002\u8fd9\u662f\u5728\u5c06\u5176\u653e\u5165\u6587\u4ef6\u4e4b\u524d\u5b8c\u6210\u7a0b\u5e8f\u903b\u8f91\u7684\u7edd\u4f73\u65b9\u5f0f\u3002<\/p>\n
                      \u65e2\u7136\u60a8\u5bf9IRB\u5df2\u7ecf\u611f\u5230\u719f\u6089\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u8ddf\u968f\u8fd9\u4e9b\u6559\u7a0b\u5e76\u4f7f\u7528IRB\u6765\u8fd0\u884c\u793a\u4f8b\uff0c\u6765\u63a2\u7d22Ruby\u7684\u5404\u79cd\u6570\u636e\u7c7b\u578b\u3002<\/p>\n
                        \n
                      • Understanding Data Types in Ruby<\/li>\n
                      • How To Work with Strings in Ruby<\/li>\n
                      • How To Work with String Methods in Ruby<\/li>\n
                      • How To Work with Arrays in Ruby<\/li>\n
                      • How To Use Array Methods in Ruby<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
                        \u5f15\u8a00 Interactive Ruby\uff08IRB\uff09\u662f\u4e00\u79cd\u5feb\u901f\u63a2\u7d22Ruby\u7f16\u7a0b\u8bed\u8a00\u548c\u5c1d\u8bd5\u4ee3\u7801\u800c\u4e0d\u521b\u5efa\u6587\u4ef6\u7684\u65b9\u5f0f\u3002I […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50715","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u5982\u4f55\u4f7f\u7528IRB\u6765\u63a2\u7d22Ruby - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5982\u4f55\u4f7f\u7528irb\u6765\u63a2\u7d22ruby\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5982\u4f55\u4f7f\u7528IRB\u6765\u63a2\u7d22Ruby\" \/>\n<meta property=\"og:description\" content=\"\u5f15\u8a00 Interactive Ruby\uff08IRB\uff09\u662f\u4e00\u79cd\u5feb\u901f\u63a2\u7d22Ruby\u7f16\u7a0b\u8bed\u8a00\u548c\u5c1d\u8bd5\u4ee3\u7801\u800c\u4e0d\u521b\u5efa\u6587\u4ef6\u7684\u65b9\u5f0f\u3002I […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5982\u4f55\u4f7f\u7528irb\u6765\u63a2\u7d22ruby\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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