{"id":1083,"date":"2014-11-23T11:07:35","date_gmt":"2014-11-23T03:07:35","guid":{"rendered":"http:\/\/coderbee.net\/?p=1083"},"modified":"2014-11-27T22:36:37","modified_gmt":"2014-11-27T14:36:37","slug":"%e3%80%8a%e6%9d%be%e6%9c%ac%e8%a1%8c%e5%bc%98%e7%9a%84%e7%a8%8b%e5%ba%8f%e4%b8%96%e7%95%8c%e3%80%8b-%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/readingnote\/20141123\/1083","title":{"rendered":"\u300a\u677e\u672c\u884c\u5f18\u7684\u7a0b\u5e8f\u4e16\u754c\u300b&#8211; \u9762\u5411\u5bf9\u8c61"},"content":{"rendered":"<p>\u7f16\u7a0b\u8bed\u8a00\u4e0d\u662f\u4ece\u5b89\u5168\u7684\u89d2\u5ea6\u8003\u8651\u51cf\u5c11\u7a0b\u5e8f\u5458\u72af\u9519\u8bef\uff0c\u800c\u662f\u5728\u7a0b\u5e8f\u5458\u81ea\u5df1\u8d1f\u8d23\u7684\u524d\u63d0\u4e0b\u4e3a\u4ed6\u63d0\u4f9b\u6700\u5927\u9650\u5ea6\u53d1\u6325\u80fd\u529b\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<h3>\u4e00\u3001\u7ed3\u6784\u5316\u7f16\u7a0b<\/h3>\n<p>\u7ed3\u6784\u5316\u7f16\u7a0b\u7684\u57fa\u672c\u601d\u60f3\u662f\u6709\u5e8f\u5730\u63a7\u5236\u6d41\u7a0b\uff0c\u5373\u628a\u7a0b\u5e8f\u7684\u6267\u884c\u987a\u5e8f\u9650\u5236\u4e3a\u987a\u5e8f\u3001\u5206\u652f\u548c\u5faa\u73af\u8fd9 3 \u79cd\uff0c\u628a\u5171\u901a\u7684\u5904\u7406\u79f0\u4e3a\u4f8b\u7a0b\u3002<\/p>\n<p>\u628a\u57fa\u672c\u4e0a\u76f8\u540c\u7684\u5904\u7406\u62bd\u8c61\u6210\u4f8b\u7a0b\uff0c\u5176\u4e2d\u4e0d\u540c\u7684\u90e8\u5206\u7531\u5916\u90e8\u4f20\u9012\u8fdb\u6765\u7684\u53c2\u6570\u6765\u5bf9\u5e94\u3002<\/p>\n<p>\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u662f\u7ed3\u6784\u5316\u7f16\u7a0b\u7684\u5ef6\u4f38\u3002<\/p>\n<h3>\u4e8c\u3001\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/h3>\n<p>\u591a\u6001\u6027\uff08\u4e5f\u79f0\u52a8\u6001\u7ed1\u5b9a\uff09\u3001\u6570\u636e\u62bd\u8c61\uff08\u4e5f\u79f0\u4fe1\u606f\u9690\u85cf\u6216\u5c01\u88c5\uff09\u548c\u7ee7\u627f\u88ab\u79f0\u4e3a\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u4e09\u539f\u5219\u3002<\/p>\n<h4>\u591a\u6001<\/h4>\n<p>\u591a\u6001\u7684\u57fa\u672c\u5185\u5bb9\uff1a\u6839\u636e\u5bf9\u8c61\u7684\u4e0d\u540c\u7c7b\u578b\u800c\u8fdb\u884c\u9002\u5f53\u5904\u7406\uff1b\u81ea\u52a8\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u800c\u7a0b\u5e8f\u5185\u90e8\u5219\u4e0d\u53d1\u751f\u51b2\u7a81\u3002<\/p>\n<p>\u5404\u79cd\u6570\u636e\u53ef\u4ee5\u7edf\u4e00\u5904\u7406\u3002\u591a\u6001\u6027\u8ba9\u7a0b\u5e8f\u5458\u53ea\u5173\u6ce8\u8981\u5904\u7406\u4ec0\u4e48\uff08What\uff09\uff0c\u800c\u4e0d\u662f\u600e\u4e48\u53bb\u5904\u7406\uff08How\uff09\u3002<\/p>\n<h4>\u6570\u636e\u62bd\u8c61<\/h4>\n<p>\u6570\u636e\u62bd\u8c61\u662f\u6570\u636e\u548c\u5904\u7406\u65b9\u6cd5\u7684\u7ed3\u5408\u3002\u5bf9\u6570\u636e\u5185\u5bb9\u7684\u5904\u7406\u548c\u64cd\u4f5c\uff0c\u5fc5\u987b\u901a\u8fc7\u4e8b\u5148\u5b9a\u4e49\u597d\u7684\u65b9\u6cd5\u6765\u8fdb\u884c\u3002\u6570\u636e\u548c\u5904\u7406\u65b9\u6cd5\u7ed3\u5408\u8d77\u6765\u6210\u4e3a\u4e86\u9ed1\u76d2\u5b50\u3002<\/p>\n<p>\u5229\u7528\u73b0\u6709\u7684\u7c7b\u6d3e\u751f\u65b0\u7c7b\u7684\u65b9\u6cd5\u79f0\u4e3a\u201c\u5dee\u5206\u7f16\u7a0b\u6cd5\u201d\uff08difference programming\uff09\u3002<\/p>\n<p>\u7c7b\u4ee5\u6570\u636e\u4e3a\u6838\u5fc3\uff0c\u628a\u4e0e\u4e4b\u76f8\u5173\u7684\u5904\u7406\u4e5f\u90fd\u96c6\u4e2d\u5230\u4e00\u8d77\u3002<\/p>\n<p>\u9ed1\u76d2\u5316\u662f\u6a21\u5757\u5316\u7684\u57fa\u672c\u539f\u5219\uff0c\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u8bed\u8a00\u5c06\u6bcf\u4e00\u7c7b\u6570\u636e\u90fd\u5f53\u4f5c\u9ed1\u76d2\u5904\u7406\u3002<\/p>\n<p><!--more--><\/p>\n<h4>\u7ee7\u627f<\/h4>\n<p>\u7ee7\u627f\u7684\u539f\u672c\u76ee\u7684\u5b9e\u9645\u4e0a\u662f\u9010\u6b65\u7ec6\u5316\u3002\u7ee7\u627f\u53ea\u4e0d\u8fc7\u662f\u62bd\u8c61\u7684\u529f\u80fd\u5229\u7528\u65b9\u6cd5\uff0c\u4e0d\u8981\u628a\u5bf9\u7ee7\u627f\u7684\u7406\u89e3\u675f\u7f1a\u5728\u201c\u7ee7\u627f\u662f\u5bf9\u73b0\u5b9e\u4e8b\u52a1\u7684\u5206\u7c7b\u7684\u53cd\u6620\u201d\u3002<\/p>\n<p>Java \u7684\u7ee7\u627f\u5206\u4e3a\u5b9e\u73b0\u7ee7\u627f\uff08\u7528 extends \u5b9e\u73b0\uff09\u548c\u89c4\u683c\u7ee7\u627f\uff08\u7528 implements \u5b9e\u73b0\uff09\uff1b\u7c7b\u662f\u7528\u6765\u6307\u5b9a\u5bf9\u8c61\u5b9e\u73b0\uff0c\u800c\u63a5\u53e3\u53ea\u662f\u6307\u5b9a\u5bf9\u8c61\u7684\u5916\u89c2\u3002<\/p>\n<p>Java \u89e3\u51b3\u5171\u4eab\u5b9e\u73b0\u95ee\u9898\u7684\u65b9\u6848\u662f\uff1a\u5728\u5355\u4e00\u7ee7\u627f\u7684\u524d\u63d0\u4e0b\uff0c\u4f7f\u7528\u7ec4\u5408\u6a21\u5f0f\uff08Composite\uff09\u6765\u8c03\u7528\u522b\u7684\u7c7b\u5b9e\u73b0\u7684\u5171\u901a\u529f\u80fd\u3002<\/p>\n<p>\u7ec4\u5408\u662f\u628a\u5bf9\u591a\u4e2a\u5bf9\u8c61\u5408\u6210\u4e00\u4e2a\u5bf9\u8c61\u6765\u5904\u7406\uff0c\u59d4\u6258\u662f\u628a\u5bf9\u4e00\u4e2a\u5bf9\u8c61\u7684\u65b9\u6cd5\u8c03\u7528\u59d4\u6d3e\u7ed9\u522b\u7684\u5bf9\u8c61\u3002<\/p>\n<p>\u5355\u4e00\u7ee7\u627f\u7684\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\u5f88\u5355\u7eaf\u7684\u6811\u7ed3\u6784\uff1b\u5bf9\u591a\u91cd\u7ee7\u627f\u800c\u8a00\uff0c\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\u5374\u662f\u5f88\u590d\u6742\u7684\u7f51\u72b6\u7ed3\u6784\u3002<\/p>\n<h4>Mix-in<\/h4>\n<p>Mix-in \u662f\u5b9e\u73b0\u591a\u91cd\u7ee7\u627f\u7684\u4e00\u4e2a\u6280\u5de7\u3002<\/p>\n<p>Mix-in \u6280\u672f\u6309\u7167\u4ee5\u4e0b\u89c4\u5219\u6765\u9650\u5236\u591a\u91cd\u7ee7\u627f\uff1a<\/p>\n<ul>\n<li>\u901a\u5e38\u7684\u7ee7\u627f\u7528\u5355\u4e00\u7ee7\u627f\uff1b<\/li>\n<li>\u7b2c\u4e8c\u4e2a\u4ee5\u53ca\u4e24\u4e2a\u4ee5\u4e0a\u7684\u7236\u7c7b\u5fc5\u987b\u662f Mix-in \u7684\u62bd\u8c61\u7c7b\u3002<\/li>\n<\/ul>\n<p>Mix-in \u7c7b\u5177\u6709\u4ee5\u4e0b\u7279\u5f81\uff1a<\/p>\n<ul>\n<li>\u4e0d\u80fd\u5355\u72ec\u751f\u6210\u5b9e\u4f8b\uff1b<\/li>\n<li>\u4e0d\u80fd\u7ee7\u627f\u666e\u901a\u7c7b\u3002<\/li>\n<\/ul>\n<p>\u6309\u7167\u8fd9\u4e2a\u539f\u5219\uff0c\u7c7b\u7684\u5c42\u6b21\u5177\u6709\u548c\u5355\u4e00\u7ee7\u627f\u4e00\u6837\u7684\u6811\u7ed3\u6784\uff0c\u540c\u65f6\u53c8\u53ef\u4ee5\u5b9e\u73b0\u529f\u80fd\u5171\u4eab\u3002\u5b9e\u73b0\u529f\u80fd\u5171\u4eab\u7684\u65b9\u6cd5\u662f\u628a\u5171\u4eab\u7684\u529f\u80fd\u653e\u5728 Mix-in \u7c7b\u91cc\u9762\uff0c\u7136\u540e\u628a Mix-in \u7c7b\u63d2\u5165\u5230\uff08\u7c7b\u578b\uff09\u6811\u7ed3\u6784\u91cc\u9762\u3002<\/p>\n<h4>Duck Typing<\/h4>\n<p>\u4e0d\u8003\u8651\u4e00\u4e2a\u5bf9\u8c61\u5c5e\u4e8e\u4ec0\u4e48\u7c7b\uff0c\u53ea\u5173\u5fc3\u5b83\u6709\u4ec0\u4e48\u6837\u7684\u884c\u4e3a\uff08\u6709\u54ea\u4e9b\u65b9\u6cd5\uff09\uff0c\u5c31\u662f Duck Typing\u3002<\/p>\n<p>\u9759\u6001\u8bed\u8a00\u7684\u4f18\u70b9\uff1a\u4e0d\u901a\u8fc7\u6267\u884c\u5c31\u53ef\u4ee5\u53d1\u73b0\u7c7b\u578b\u4e0d\u5339\u914d\u7684\u9519\u8bef\u3002<\/p>\n<p>\u52a8\u6001\u7c7b\u578b\u7684\u7f3a\u70b9\u4e3b\u8981\u6709\u4e09\u4e2a\uff1a\u5728\u6267\u884c\u65f6\u624d\u80fd\u53d1\u73b0\u9519\u8bef\uff0c\u8bfb\u7a0b\u5e8f\u65f6\u53ef\u7528\u5230\u7684\u7ebf\u7d22\u5c11\uff0c\u4ee5\u53ca\u8fd0\u884c\u901f\u5ea6\u6162\u3002<\/p>\n<hr\/>\n<p>\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: <strong>coderbee\u7b14\u8bb0<\/strong>\uff0c\u53ef\u4ee5\u66f4\u53ca\u65f6\u56de\u590d\u4f60\u7684\u8ba8\u8bba\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"258\" height=\"258\" src=\"https:\/\/coderbee.net\/wp-content\/uploads\/2019\/01\/coderbee-note.jpg\" class=\"alignnone size-full wp-image-1707\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f16\u7a0b\u8bed\u8a00\u4e0d\u662f\u4ece\u5b89\u5168\u7684\u89d2\u5ea6\u8003\u8651\u51cf\u5c11\u7a0b\u5e8f\u5458\u72af\u9519\u8bef\uff0c\u800c\u662f\u5728\u7a0b\u5e8f\u5458\u81ea\u5df1\u8d1f\u8d23\u7684\u524d\u63d0\u4e0b\u4e3a\u4ed6\u63d0 &hellip; <a href=\"https:\/\/coderbee.net\/index.php\/readingnote\/20141123\/1083\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[205],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/1083"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=1083"}],"version-history":[{"count":2,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/1083\/revisions"}],"predecessor-version":[{"id":1085,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/1083\/revisions\/1085"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=1083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=1083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=1083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}