{"rsdb":{"rid":"179346","subhead":"","postdate":"0","aid":"130199","fid":"87","uid":"1","topic":"1","content":"
1\u3001\u7b80\u4ecb 2\u3001\u73af\u5883\u5b89\u88c5<\/p> \n \uff081\uff09\uff0e\u5b89\u88c51\uff0e\u53ef\u4ee5\u4ecewww.ruby-lang.org\u4e0b\u8f7d\u6e90\u4ee3\u7801\u8fdb\u884c\u5b89\u88c5\u3002<\/p> \n \uff082\uff09\uff0e\u89e3\u538b\u7f29\u6e90\u6587\u4ef6\uff0c\u8fdb\u5165\u5b89\u88c5\u76ee\u5f55<\/p> \n \uff03.\/configuremake<\/p> \n \uff03make <\/p> \n \uff03install<\/p> \n 3\uff0e\u4f7f\u7528<\/p> \n \uff081\uff09\uff0e \u4f7f\u7528irb\u3002irb\u662f\u4e00\u4e2a\u4ea4\u4e92\u63a5\u53e3\uff0c\u5728shell\u91cc\u8fd0\u884c\u5b83\uff0c\u9996\u5148\u663e\u793a\u63d0\u793a\u7b26\uff0c\u7b49\u5f85\u8f93\u5165\uff1b\u7528\u6237\u8f93\u5165\u4e4b\u540e\uff0c\u5b83\u5728\u8fdb\u884c\u5904\u7406\uff0c\u628a\u7ed3\u679c\u663e\u793a\u7ed9\u7528\u6237\u3002<\/p> \n #irb <\/p> irb(main):001:0> $str="hello world!\/n" <\/p> => "hello world!\/n" <\/p> irb(main):002:0> print $str <\/p> hello world! <\/p> => nil <\/p> irb(main):003:0> <\/p> <\/td> \n <\/tr> \n <\/tbody> \n <\/table> \n [root@tserver \/root]# chmod a+x foo.rb <\/p> [root@tserver \/root]# cat foo.rb<\/p> #!\/usr\/local\/bin\/ruby -w<\/p> puts "Hello, World!"<\/p> <\/p> [root@tserver \/root]# ruby foo.rb<\/p> Hello, World!<\/p> [root@tserver \/root]# .\/foo.rb<\/p> Hello,World!<\/p> [root@tserver \/root]#<\/p> <\/td> \n <\/tr> \n <\/tbody> \n <\/table> \n \u3000<\/p> \n \u5173\u4e8eRuby\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff0c\u53ef\u4ee5\u53c2\u8003\u76f8\u5173\u6587\u6863\u3002<\/p> \n 4.\u7b80\u5355\u4f8b\u5b50<\/p> \n \u3000<\/p> \n def sayGoodnight(name) # Time for bed... \u53ef\u4ee5\u770b\u5230\uff0cruby\u7684\u8bed\u6cd5\u8fd8\u662f\u6bd4\u8f83\u7b80\u5355\u7684\uff0c\u9996\u5148\uff0c\u4f60\u4e0d\u5fc5\u6bcf\u884c\u90fd\u5199\u4e2a\u5206\u53f7\uff0c Ruby\u6ce8\u91ca\u4ee5\uff03\u5f00\u5934\uff0c\u76f4\u5230\u884c\u5c3e\u3002 <\/p> \n \u3000<\/p> \n \u5176\u5b9e puts sayGoodnight("John-Boy") \u5305\u62ec\u4e862\u4e2a\u51fd\u6570\u8c03\u7528\uff0c\u4e00\u4e2aput\u7cfb\u7edf\u51fd\u6570\uff0c\u4e00\u4e2asayGoodnight\u51fd\u6570\u3002\u4f46\u662f\u4e3a\u4ec0\u4e48puts\u8c03\u7528\u6ca1\u6709\u7528\u62ec\u53f7\u5462\uff1f\u5b9e\u9645\u4e0a\uff0c\u4e0b\u9762\u7684\u8c03\u7528\u90fd\u662f\u7b49\u4ef7\u7684\uff1a<\/p> \n <\/p> \n
Ruby\u662f\u65e5\u672c\u7684Yukihiro Matsumoto\u5199\u7684\uff0c\u7b80\u5355\u6613\u5b66\u7684\u9762\u5411\u5bf9\u8c61\u7684\u811a\u672c\u8bed\u8a00\uff0c\u50cfperl\u4e00\u6837\uff0c\u6709\u4e30\u5bcc\u7684\u6587\u5b57\u5904\u7406\u3001\u7cfb\u7edf\u7ba1\u7406\u7b49\u4e30\u5bcc \u529f\u80fd\uff0c\u4f46\u662fruby\u8981\u7b80\u5355\uff0c\u5bb9\u6613\u7406\u89e3\u548c\u6269\u5145\u3002\u8ddfpython<\/a>\u5f88\u7c7b\u4f3c\uff0c\u4f46\u662f\u5728\u56fd\u5185\u8fdc\u6ca1\u6709python<\/a>\u6709\u540d\u3002<\/p> \n Ruby\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u7684\u9762\u5411\u5bf9\u8c61<\/a>\u7684\u811a\u672c\u8bed\u8a00<\/a>\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b83\u65b9\u4fbf\u5feb\u6377\u5730\u8fdb\u884c\u9762\u5411\u5bf9\u8c61<\/a>\u7a0b\u5e8f\u8bbe\u8ba1\u3002\u4e0ePerl\u7c7b\u4f3c\uff0c\u800c\u4e14Ruby\u5177\u6709\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u529f\u80fd\uff0c\u4f7f\u6587\u672c\u5904\u7406\u53d8\u5f97\u7b80\u5355\u3002\u6b64\u5916\u8fd8\u53ef\u4ee5\u65b9\u4fbf\u5730\u4f7f\u7528C\u8bed\u8a00<\/a>\u6765\u6269\u5c55Ruby\u7684\u529f\u80fd\u3002
\u82e5\u60a8\u66fe\u7ecf\u201c\u60f3\u8981\u4e00\u79cd\u7b80\u5355\u7684\u9762\u5411\u5bf9\u8c61<\/a>\u7684\u8bed\u8a00\u201d\uff0c\u6216\u8005\u8ba4\u4e3a\u201cPerl\u7684\u529f\u80fd\u867d\u7136\u597d\u7528\uff0c\u4f46\u5b83\u7684\u8bed\u6cd5\u771f\u8ba9\u4eba\u53d7\u4e0d\u4e86\u201d\uff0c\u53c8\u6216\u8005\u89c9\u5f97\u201cLISP\u7cfb\u5217\u8bed\u8a00\u7684\u601d\u60f3\u4e0d\u9519\uff0c\u4f46\u5230\u5904\u90fd\u662f\u62ec\u53f7\u771f\u8ba9\u4eba\u8ba8\u538c\uff0c\u6700\u8d77\u7801\u7b97\u5f0f\u5e94\u8be5\u6309\u7167\u901a\u5e38\u7684\u6837\u5f0f\u4e66\u5199\u201d\u3002\u90a3\u4e48\uff0cRuby\u6216\u8bb8\u80fd\u8ba9\u60a8\u6ee1\u610f\u3002
\u5f52\u7eb3\u8d77\u6765\uff0cRuby\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a
? \u89e3\u91ca\u578b\u6267\u884c\uff0c\u65b9\u4fbf\u5feb\u6377
Ruby\u662f\u89e3\u91ca\u578b\u8bed\u8a00<\/a>\uff0c\u5176\u7a0b\u5e8f\u65e0\u9700\u7f16\u8bd1\u5373\u53ef\u6267\u884c\u3002
? \u8bed\u6cd5\u7b80\u5355\u3001\u4f18\u96c5
\u8bed\u6cd5\u6bd4\u8f83\u7b80\u5355\uff0c\u7c7b\u4f3cAlgol\u7cfb\u8bed\u6cd5\u3002
? \u5b8c\u5168\u9762\u5411\u5bf9\u8c61
Ruby\u4ece\u4e00\u5f00\u59cb\u5c31\u88ab\u8bbe\u8ba1\u6210\u7eaf\u7cb9\u7684\u9762\u5411\u5bf9\u8c61\u8bed\u8a00\uff0c\u56e0\u6b64\u6240\u6709\u4e1c\u897f\u90fd\u662f\u5bf9\u8c61\uff0c\u4f8b\u5982\u6574\u6570\u7b49\u57fa\u672c\u6570\u636e\u7c7b\u578b\u3002
? \u5185\u7f6e\u6b63\u5219\u5f0f\u5f15\u64ce\uff0c\u9002\u5408\u6587\u672c\u5904\u7406
Ruby\u652f\u6301\u529f\u80fd\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u68c0\u7d22\u529f\u80fd\uff0c\u53ef\u4ee5\u65b9\u4fbf\u7684\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406\u3002
? \u81ea\u52a8\u5783\u573e\u6536\u96c6
\u5177\u6709\u5783\u573e\u56de\u6536<\/a>\uff08Garbage Collect\uff0cGC\uff09\u529f\u80fd\uff0c\u80fd\u81ea\u52a8\u56de\u6536\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\u3002\u4e0d\u9700\u8981\u7528\u6237\u5bf9\u5185\u5b58\u8fdb\u884c\u7ba1\u7406\u3002
? \u8de8\u5e73\u53f0\u548c\u9ad8\u5ea6\u53ef\u79fb\u690d\u6027<\/a>
Ruby\u652f\u6301\u591a\u79cd\u5e73\u53f0\uff0c\u5728Windows, Unix, Linux, MacOS\u4e0a\u90fd\u53ef\u4ee5\u8fd0\u884c\u3002Ruby\u7a0b\u5e8f\u7684\u53ef\u79fb\u690d\u6027<\/a>\u975e\u5e38\u597d\uff0c\u7edd\u5927\u591a\u6570\u7a0b\u5e8f\u53ef\u4ee5\u4e0d\u52a0\u4fee\u6539\u7684\u5728\u5404\u79cd\u5e73\u53f0\u4e0a\u52a0\u4ee5\u8fd0\u884c\u3002
? \u6709\u4f18\u96c5\u3001\u5b8c\u5584\u7684\u5f02\u5e38\u5904\u7406\u673a\u5236
Ruby\u63d0\u4f9b\u4e86\u4e00\u6574\u5957\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u53ef\u4ee5\u65b9\u4fbf\u4f18\u96c5\u5730\u5904\u7406\u4ee3\u7801\u5904\u7406\u51fa\u9519\u7684\u60c5\u51b5\u3002
? \u62e5\u6709\u5f88\u591a\u9ad8\u7ea7\u7279\u6027
Ruby\u62e5\u6709\u5f88\u591a\u9ad8\u7ea7\u7279\u6027\uff0c\u4f8b\u5982\u64cd\u4f5c\u7b26\u91cd\u8f7d\u3001Mix-ins\u3001\u7279\u6b8a\u65b9\u6cd5\u7b49\u7b49\uff0c\u662f\u7528\u8fd9\u4e9b\u7279\u6027\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b8c\u6210\u5404\u79cd\u5f3a\u5927\u7684\u529f\u80fd\u3002<\/pre> \n
\u4e00\u822c\u8ba4\u4e3a\uff0c\u4ed6\u6709\u5982\u4e0b\u7279\u70b9\uff1a<\/p> \n \n
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\u4e00\u5207\u90fd\u662f\u5bf9\u8c61\uff0c\u50cf\u6574\u6570\u7b49\u7c7b\u578b\u4ece\u5f00\u59cb\u5c31\u88ab\u8bbe\u8ba1\u4e3a\u5bf9\u8c61\u6765\u5904\u7406\u3002
class\uff08\u30af\u30e9\u30b9\uff09\uff0c\u7ee7\u627f\uff0cmethod\uff08\u30e1\u30bd\u30c3\u30c9\uff09\u7b49
\uff08\u7279\u6b8a\u65b9\u6cd5\uff1f\uff09\u7279\u7570\u30e1\u30bd\u30c3\u30c9
module\uff08\u30e2\u30b8\u30e5\u30fc\u30eb\uff09\u306b\u3088\u308bMixin
\u8fed\u4ee3\uff08\u30a4\u30c6\u30ec\u30fc\u30bf\uff09\u548c\u95ed\u5305\uff08\u30af\u30ed\u30fc\u30b8\u30e3\uff09\u3002\u4e00\u4e2a\u5728\u95ed\u5305\u5f00\u59cb\u65f6\u5b9a\u4e49\u7684\u8d44\u6e90\u5728\u95ed\u5305\u7ed3\u675f\u540e\u4f1a\u88ab\u91ca\u653e\uff0c \u9002\u5408\u4e8esocket\uff0c\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u6587\u4ef6\u53e5\u67c4\u7b49\u3002<\/li> \n
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\u76f4\u63a5\u8bbf\u95eeOS\uff0c\u7528ruby\u7f16\u5199\u7cfb\u7edf\u7a0b\u5e8f\u4e5f\u662f\u53ef\u80fd\u7684\u3002<\/li> \n
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\u5177\u5907\u5f02\u5e38\u5904\u7406\u80fd\u529b\uff0c\u5177\u5907java<\/a>\u7684\u5f02\u5e38\u5904\u7406\u529f\u80fd\u3002
dynamic loading\uff08\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0 \uff09\u3002\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u5019\u91cd\u5b9a\u4e49\u81ea\u5df1\uff0c \u7c7b\u4e5f\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u7ee7\u627f\/\u53d6\u6d88\u7ee7\u627f\u3002
\u7ebf\u7a0b\u3002\u73b0\u5728\u7684ruby\u5df2\u7ecf\u6709\u7ebf\u7a0b\u7684\u6982\u5ff5\uff0cRuby2.0\u597d\u50cf\u80fd\u652f\u6301\u672c\u5730\u7ebf\u7a0b\u3002
\u53cd\u5c04\uff08Reflection\uff09\u3002Ruby\u53ef\u4ee5\u770b\u5230\u7a0b\u5e8f\u7684\u5185\u90e8\uff0c\u6bd4\u5982\u4e00\u4e2a\u6a21\u5757\u662f\u5426\u542b\u4e00\u4e2a\u7279\u5b9a\u65b9\u6cd5\uff0c \u4e00\u4e2a\u5bf9\u8c61\u662f\u54ea\u4e2aclass\u7b49\u7b49\u3002\u7c7b\u4f3cjava<\/a>\u3002
\u6269\u5c55\u6027\u3002C api\u3002
\u53d1\u884c\u8bb8\u53ef\u8bc1\u3002\u57fa\u4e8eRuby Artistic License (BSD\u6837\u5f0f\u7684)\u548cGPL\u3002<\/li> \n <\/ul> \n \n \n
\n
\uff082\uff09\uff0e\u50cf\u5176\u4ed6\u8bed\u8a00\u4e00\u6837\uff0c\u4ece\u7a0b\u5e8f\u6587\u4ef6\u8fd0\u884c<\/p> \n \n \n
\n
\uff083\uff09\uff0eRuby\u4f7f\u7528\u65b9\u6cd5
ruby [ option ...] [ -- ] [ programfile ] [ argument ...]pre><\/p> \n \n \n
\n
result = "Goodnight, " + name
return result
end<\/p>
puts sayGoodnight("John-Boy")
puts sayGoodnight("Mary-Ellen")<\/p> <\/td> \n <\/tr> \n <\/tbody> \n <\/table> \n
Methods\u5b9a\u4e49\u4ee5\u5173\u952e\u5b57def\u5f00\u59cb\uff0c\u63a5\u7740\u662f\u65b9\u6cd5\u540d\u548c\u65b9\u6cd5\u53c2\u6570\uff0c ruby\u4e0d\u9700\u8981\u7528braces\u6765\u754c\u5b9a\u7a0b\u5e8f\u4e3b\u4f53\uff0c\u53ea\u9700\u8981\u5173\u952e\u5b57end\u5c31\u884c\u4e86\u3002
\u8fd9\u4e2a\u7a0b\u5e8f\u4e5f\u76f8\u5f53\u7b80\u5355\uff0c\u7b2c\u4e00\u884c\u628a``Goodnight, ''\u52a0\u4e0a\u53c2\u6570name\uff0c\u5e76\u628a\u5b83\u8d4b\u7ed9\u4e86\u5c40\u90e8\u53d8\u91cfresult\uff0c\u7b2c\u4e8c\u884c\u628a\u7ed3\u679c\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u3002\u6ce8\u610f\u6211\u4eec\u4e0d\u9700\u8981\u5b9a\u4e49\u53d8\u91cfresult\u3002
\u6700\u540e\u6211\u4eec\u8c03\u7528\u4e862\u6b21\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u5e76\u628a\u7ed3\u679c\u4f20\u7ed9puts\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\u7b80\u5355\u7684\u518d\u65b0\u884c\u4e0a\u6253\u5370\u4f20\u7ed9\u5b83\u7684\u53c2\u6570\u800c\u5df2\uff0c\u6700\u540e\u7ed3\u679c\u50cf\u8fd9\u6837\uff1a<\/p> \n \n \n
\n Goodnight, John-Boy
Goodnight, Mary-Ellen<\/td> \n <\/tr> \n <\/tbody> \n <\/table> \n