{"id":202832,"date":"2025-05-22T08:50:19","date_gmt":"2025-05-22T00:50:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202832\/"},"modified":"2025-05-22T08:50:19","modified_gmt":"2025-05-22T00:50:19","slug":"java%e5%87%bd%e6%95%b0%e5%9c%a8%e4%bc%81%e4%b8%9a%e7%ba%a7%e5%ba%94%e7%94%a8%e4%b8%ad%e7%9a%84%e4%bc%98%e5%8a%bf%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202832\/","title":{"rendered":"Java\u51fd\u6570\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u51fd\u6570\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u6709\u54ea\u4e9b\uff1f<\/h1>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aJava\u51fd\u6570\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u6709\u54ea\u4e9b\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p>Java \u51fd\u6570\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u62e5\u6709\u663e\u8457\u4f18\u52bf\uff1a\u89e3\u8026\u6027\uff1a\u63d0\u5347\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u3002\u5e76\u884c\u6027\uff1a\u5145\u5206\u5229\u7528\u591a\u6838\u5904\u7406\u5668\u548c\u5206\u5e03\u5f0f\u8ba1\u7b97\u3002\u53ef\u7ec4\u5408\u6027\uff1a\u7ec4\u5408\u51fd\u6570\u521b\u5efa\u590d\u6742\u529f\u80fd\uff0c\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\u3002\u53cd\u5e94\u6027\uff1a\u65e0\u72b6\u6001\uff0c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u53ef\u6269\u5c55\u6027\u548c\u53ef\u9760\u6027\u3002\u6027\u80fd\uff1a\u7f16\u8bd1\u540e\u5728 JVM \u4e0a\u9ad8\u6548\u6267\u884c\uff0c\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729948375671cead77bf55.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u7684\u4f18\u52bf<\/strong><\/p>\n<p>\u5728\u73b0\u4ee3\u4f01\u4e1a\u7ea7\u5e94\u7528\u5f00\u53d1\u4e2d\uff0c\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u56e0\u5176\u7b80\u6d01\u3001\u53ef\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u800c\u53d7\u5230\u5e7f\u6cdb\u91c7\u7528\u3002Java \u51fd\u6570\uff0c\u4f5c\u4e3a Java \u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u6027\uff0c\u63d0\u4f9b\u4e86\u5229\u7528\u8fd9\u79cd\u8303\u5f0f\u7684\u5f3a\u5927\u4f18\u52bf\u3002<\/p>\n<p><strong>\u4f18\u52bf<\/strong><\/p>\n<p>Java \u51fd\u6570\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u63d0\u4f9b\u4e86\u8bb8\u591a\u663e\u8457\u7684\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li><strong>\u89e3\u8026\u6027\uff1a<\/strong>\u51fd\u6570\u662f\u72ec\u7acb\u3001\u53ef\u91cd\u7528\u7684\u4ee3\u7801\u5757\uff0c\u8fd9\u4f7f\u5f97\u89e3\u8026\u4e0d\u540c\u529f\u80fd\u6a21\u5757\u53d8\u5f97\u5bb9\u6613\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u3002<\/li>\n<li><strong>\u5e76\u884c\u6027\uff1a<\/strong>Java \u51fd\u6570\u53ef\u4ee5\u8f7b\u677e\u5e76\u884c\u6267\u884c\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u5145\u5206\u5229\u7528\u591a\u6838\u5904\u7406\u5668\u548c\u5206\u5e03\u5f0f\u8ba1\u7b97\u73af\u5883\u3002<\/li>\n<li><strong>\u53ef\u7ec4\u5408\u6027\uff1a<\/strong>\u51fd\u6570\u53ef\u4ee5\u7ec4\u5408\u5728\u4e00\u8d77\u4ee5\u521b\u5efa\u66f4\u590d\u6742\u7684\u529f\u80fd\uff0c\u8fd9\u6709\u52a9\u4e8e\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\u5e76\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002<\/li>\n<li><strong>\u53cd\u5e94\u6027\uff1a<\/strong>Java \u51fd\u6570\u662f\u65e0\u72b6\u6001\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u53ef\u4ee5\u54cd\u5e94\u5ba2\u6237\u7aef\u8bf7\u6c42\u800c\u4e0d\u4f1a\u9020\u6210\u72b6\u6001\u6df7\u6dc6\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u6269\u5c55\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>Java \u51fd\u6570\u7ecf\u8fc7\u7f16\u8bd1\uff0c\u5e76\u5728 Java \u865a\u62df\u673a (JVM) \u4e0a\u9ad8\u6548\u6267\u884c\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4eec\u6bd4\u4f20\u7edf\u7684\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u65b9\u6cd5\u5177\u6709\u66f4\u9ad8\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4e3a\u4e86\u8bf4\u660e Java \u51fd\u6570\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\uff0c\u8ba9\u6211\u4eec\u8003\u8651\u4e00\u4e2a\u5904\u7406\u7528\u6237\u8bf7\u6c42\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51fd\u6570\u6765\u9a8c\u8bc1\u8bf7\u6c42\uff1a<\/p>\n<pre>import java.util.function.Function;\n\npublic class RequestVerificationFunction implements Function&lt;String, Boolean&gt; {\n    @Override\n    public Boolean apply(String request) {\n        \/\/ \u9a8c\u8bc1\u8bf7\u6c42\u5185\u5bb9...\n        return isValid;\n    }\n}<\/pre>\n<p>\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u653e\u5165\u4e00\u4e2a\u7ba1\u9053\u4e2d\uff0c\u4ee5\u4fbf\u4e0e\u5176\u4ed6\u51fd\u6570\u7ec4\u5408\uff1a<\/p>\n<pre>Function&lt;String, Boolean&gt; isVerified = new RequestVerificationFunction();\n\nFunction&lt;Boolean, String&gt; response =\n        isVerified\n                .andThen(isValid -&gt; isValid ? \"Request is valid\" : \"Request is invalid\");<\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u7b80\u6d01\u4e14\u6613\u4e8e\u7ef4\u62a4\u7684\u4ee3\u7801\uff0c\u8be5\u4ee3\u7801\u5c06\u8bf7\u6c42\u9a8c\u8bc1\u903b\u8f91\u4e0e\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u529f\u80fd\u89e3\u8026\u5e76\u9694\u79bb\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>Java \u51fd\u6570\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u4f18\u52bf\uff0c\u4f7f\u5b83\u4eec\u975e\u5e38\u9002\u5408\u4f01\u4e1a\u7ea7\u5e94\u7528\u5f00\u53d1\u3002\u901a\u8fc7\u89e3\u8026\u3001\u5e76\u884c\u6027\u3001\u53ef\u7ec4\u5408\u6027\u3001\u53cd\u5e94\u6027\u548c\u6027\u80fd\u65b9\u9762\u7684\u4f18\u52bf\uff0cJava \u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u4f01\u4e1a\u5f00\u53d1\u53ef\u6269\u5c55\u3001\u53ef\u7ef4\u62a4\u548c\u9ad8\u6027\u80fd\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aJava\u51fd\u6570\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u6709\u54ea\u4e9b\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u51fd\u6570\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u7684\u4f18\u52bf&#46;&#46;&#46;<\/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-202832","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202832","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=202832"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202832\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}