{"id":202823,"date":"2025-05-22T10:04:57","date_gmt":"2025-05-22T02:04:57","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202823\/"},"modified":"2025-05-22T10:04:57","modified_gmt":"2025-05-22T02:04:57","slug":"java%e5%87%bd%e6%95%b0%e5%bc%8f%e7%bc%96%e7%a8%8b%e5%9c%a8%e6%95%b0%e6%8d%ae%e9%a9%b1%e5%8a%a8%e5%86%b3%e7%ad%96%e4%b8%ad%e7%9a%84%e5%8f%af%e9%9d%a0%e6%80%a7%e4%b8%8e%e5%8f%af%e8%bf%bd%e6%ba%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202823\/","title":{"rendered":"Java\u51fd\u6570\u5f0f\u7f16\u7a0b\u5728\u6570\u636e\u9a71\u52a8\u51b3\u7b56\u4e2d\u7684\u53ef\u9760\u6027\u4e0e\u53ef\u8ffd\u6eaf\u6027"},"content":{"rendered":"

<\/b> <\/p>\n

Java\u51fd\u6570\u5f0f\u7f16\u7a0b\u5728\u6570\u636e\u9a71\u52a8\u51b3\u7b56\u4e2d\u7684\u53ef\u9760\u6027\u4e0e\u53ef\u8ffd\u6eaf\u6027<\/h1>\n

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Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u901a\u8fc7\u63d0\u4f9b\u4e0d\u53ef\u53d8\u6570\u636e\u7ed3\u6784\u548c\u6e05\u6670\u7684\u51fd\u6570\u7ec4\u5408\uff0c\u5728\u6570\u636e\u9a71\u52a8\u51b3\u7b56\u4e2d\u786e\u4fdd\u53ef\u9760\u6027\u548c\u53ef\u8ffd\u6eaf\u6027\uff1a\u53ef\u9760\u6027\uff1a\u4e0d\u53ef\u53d8\u6027\u6d88\u9664\u4e86\u5e76\u53d1\u4fee\u6539\u7684\u98ce\u9669\uff0c\u4fdd\u8bc1\u4e86\u7ed3\u679c\u7684\u4e00\u81f4\u6027\u3002\u53ef\u8ffd\u6eaf\u6027\uff1a\u51fd\u6570\u7ec4\u5408\u6e05\u695a\u5730\u5c55\u793a\u4e86\u51b3\u7b56\u8fc7\u7a0b\u7684\u6b65\u9aa4\uff0c\u4fbf\u4e8e\u8ffd\u8e2a\u63a8\u7406\u3002<\/p>\n

<\/p>\n

Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u5728\u6570\u636e\u9a71\u52a8\u51b3\u7b56\u4e2d\u7684\u53ef\u9760\u6027\u548c\u53ef\u8ffd\u6eaf\u6027<\/strong><\/p>\n

\u5728\u6570\u636e\u9a71\u52a8\u7684\u51b3\u7b56\u4e2d\uff0c\u53ef\u9760\u6027\u548c\u53ef\u8ffd\u6eaf\u6027\u5bf9\u4e8e\u786e\u4fdd\u51b3\u7b56\u7684\u5b8c\u6574\u6027\u548c\u51c6\u786e\u6027\u81f3\u5173\u91cd\u8981\u3002Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u4e3a\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177\u3002<\/p>\n

\u53ef\u9760\u6027<\/strong><\/p>\n

\u51fd\u6570\u5f0f\u7f16\u7a0b\u662f\u57fa\u4e8e\u4e0d\u53ef\u53d8\u6570\u636e\u7ed3\u6784\u7684\uff0c\u8fd9\u6d88\u9664\u4e86\u5e76\u53d1\u4fee\u6539\u5bfc\u81f4\u6570\u636e\u4e00\u81f4\u6027\u95ee\u9898\u7684\u98ce\u9669\u3002\u6bcf\u6b21\u8ba1\u7b97\u90fd\u4f1a\u4ea7\u751f\u4e00\u4e2a\u65b0\u503c\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u7ed3\u679c\u7684\u53ef\u9760\u6027\u548c\u4e00\u81f4\u6027\u3002\u6b64\u5916\uff0clambda \u8868\u8fbe\u5f0f\u548c\u95ed\u5305\u5141\u8bb8\u5728\u51fd\u6570\u4e4b\u95f4\u65e0\u7f1d\u4f20\u9012\u503c\uff0c\u800c\u65e0\u9700\u62c5\u5fc3\u5171\u4eab\u53ef\u53d8\u72b6\u6001\u3002<\/p>\n

\u53ef\u8ffd\u6eaf\u6027<\/strong><\/p>\n

\u51fd\u6570\u5f0f\u7f16\u7a0b\u63d0\u4f9b\u4e86\u901a\u8fc7\u7ec4\u5408\u51fd\u6570\u6765\u8868\u793a\u8ba1\u7b97\u7684\u6e05\u6670\u65b9\u5f0f\u3002\u6bcf\u4e2a\u51fd\u6570\u90fd\u4ee3\u8868\u4e00\u4e2a\u7279\u5b9a\u7684\u64cd\u4f5c\uff0c\u5e76\u4e14\u51fd\u6570\u7ec4\u5408\u7684\u987a\u5e8f\u660e\u786e\u5b9a\u4e49\u4e86\u6267\u884c\u6b65\u9aa4\u3002\u8fd9\u4f7f\u5f97\u53ef\u4ee5\u8f7b\u677e\u8ffd\u6eaf\u51b3\u7b56\u80cc\u540e\u7684\u63a8\u7406\uff0c\u5e76\u65b9\u4fbf\u8c03\u8bd5\u548c\u7ef4\u62a4\u3002<\/p>\n

\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n

\u8003\u8651\u4e00\u4e2a\u9700\u8981\u51b3\u5b9a\u662f\u5426\u5411\u5ba2\u6237\u63d0\u4f9b\u4fc3\u9500\u4f18\u60e0\u7684\u7528\u4f8b\u3002\u4f20\u7edf\u4e0a\uff0c\u8fd9\u53ef\u80fd\u9700\u8981\u591a\u4e2a\u65b9\u6cd5\u8c03\u7528\u548c if-else \u8bed\u53e5\u3002\u4f46\u662f\uff0c\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u51b3\u7b56\u8fc7\u7a0b\u8868\u793a\u4e3a\u4e00\u4e2a\u7ba1\u9053\uff1a<\/p>\n

boolean shouldOfferPromotion(Customer customer) {\n  return isEligibleForPromotion(customer)\n    .andThen(hasLoyaltyPoints(customer))\n    .andThen(isInGoodStanding(customer))\n           .apply(true);\n}<\/pre>\n
\u8fd9\u4e2a\u51fd\u6570\u7ba1\u9053\u6e05\u6670\u5730\u5c55\u793a\u4e86\u51b3\u7b56\u7684\u5404\u4e2a\u7ec4\u6210\u90e8\u5206\u3002\u6bcf\u4e2a\u51fd\u6570\u4ee3\u8868\u4e00\u4e2a\u7279\u5b9a\u68c0\u67e5\uff0c\u7ec4\u5408\u51fd\u6570\u94fe\u4ee3\u8868\u51b3\u7b56\u7684\u6574\u4f53\u903b\u8f91\u3002\u8fd9\u79cd\u7b80\u6d01\u6027\u548c\u53ef\u8ffd\u6eaf\u6027\u4f7f\u5f97\u7406\u89e3\u548c\u7ef4\u62a4\u51b3\u7b56\u8fc7\u7a0b\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002<\/p>\n
\u901a\u8fc7\u5229\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4e0d\u53ef\u53d8\u6027\u3001lambda \u8868\u8fbe\u5f0f\u548c\u51fd\u6570\u7ec4\u5408\uff0cJava \u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5728\u6570\u636e\u9a71\u52a8\u51b3\u7b56\u4e2d\u5b9e\u73b0\u53ef\u9760\u6027\u548c\u53ef\u8ffd\u6eaf\u6027\u3002\u8fd9\u5bf9\u4e8e\u786e\u4fdd\u51b3\u7b56\u7684\u5b8c\u6574\u6027\u548c\u51c6\u786e\u6027\uff0c\u4ece\u800c\u63d0\u9ad8\u51b3\u7b56\u6548\u7387\u548c\u7ed3\u679c\u81f3\u5173\u91cd\u8981\u3002<\/p>\n
\u6587\u4e2d\u5173\u4e8e\u51fd\u6570\u5f0f\u7f16\u7a0b,\u6570\u636e\u9a71\u52a8\u51b3\u7b56\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aJava\u51fd\u6570\u5f0f\u7f16\u7a0b\u5728\u6570\u636e\u9a71\u52a8\u51b3\u7b56\u4e2d\u7684\u53ef\u9760\u6027\u4e0e\u53ef\u8ffd\u6eaf\u6027\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Java\u51fd\u6570\u5f0f\u7f16\u7a0b\u5728\u6570\u636e\u9a71\u52a8\u51b3\u7b56...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202823","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202823","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202823"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202823\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}