{"id":10006151,"date":"2022-08-09T15:23:57","date_gmt":"2022-08-09T07:23:57","guid":{"rendered":"https:\/\/ityet.com\/?p=10006151"},"modified":"2022-08-09T15:23:57","modified_gmt":"2022-08-09T07:23:57","slug":"%e4%bb%a3%e7%a0%81%e9%87%8d%e6%9e%84%ef%bc%9a%e9%9d%a2%e5%90%91%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95-2","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006151","title":{"rendered":"\u4ee3\u7801\u91cd\u6784\uff1a\u9762\u5411\u5355\u5143\u6d4b\u8bd5"},"content":{"rendered":"<p>\u7b80\u4ecb\uff1a\u00a0\u91cd\u6784\u4ee3\u7801\u65f6\uff0c\u6211\u4eec\u5e38\u5e38\u7ea0\u7ed3\u4e8e\u8fd9\u6837\u7684\u95ee\u9898\uff1a\u9700\u8981\u8fdb\u4e00\u6b65\u62bd\u8c61\u5417\uff1f\u4f1a\u4e0d\u4f1a\u5bfc\u81f4\u8fc7\u5ea6\u8bbe\u8ba1\uff1f\u5982\u679c\u9700\u8981\u8fdb\u4e00\u6b65\u62bd\u8c61\u7684\u8bdd\uff0c\u5982\u4f55\u8fdb\u884c\u62bd\u8c61\u5462\uff1f\u6709\u4ec0\u4e48\u901a\u7528\u7684\u6b65\u9aa4\u6216\u8005\u6cd5\u5219\u5417\uff1f\u4e3a\u4e86\u4fdd\u8bc1\u76f4\u89c2\uff0c\u672c\u6587\u5c06\u4ee5\u4e00\u4e2a 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\u5bfc\u51fa\u7cfb\u7edf\u4e3a\u4f8b\u7b80\u5355\u9610\u8ff0\u4e00\u4e2a\u4e1a\u52a1\u4e0a\u7684\u91cd\u6784\u5b9e\u4f8b\u3002\u9605\u8bfb\u672c\u6587\u9700\u8981\u5177\u6709\u57fa\u672c\u7684\u5355\u5143\u6d4b\u8bd5\u7f16\u5199\u7ecf\u9a8c\uff08\u6700\u597d\u662f 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   public void producerConsumer() {<\/p>\n<pre><code>    BlockingQueue&lt; Integer&gt; blockingQueue = new LinkedBlockingQueue&lt;&gt;();\n    Thread producerThread  = new Thread(() -&gt; {\n        for (int i = 0; i &lt; 10; i++) {\n            blockingQueue.add(i + ThreadLocalRandom.current().nextInt(100));\n        }\n    });\n    Thread consumerThread = new Thread(() -&gt; {\n        try {\n            while (true) {\n                Integer result = blockingQueue.take();\n                System.out.println(result);\n            }\n        } catch (InterruptedException ignore) {\n        }\n    });\n    producerThread.start();\n    consumerThread.start();\n}<\/code><\/pre>\n<p>\u4e0a\u9762\u8fd9\u6bb5\u4ee3\u7801\u505a\u7684\u4e8b\u60c5\u975e\u5e38\u7b80\u5355\uff0c\u542f\u52a8\u4e24\u4e2a\u7ebf\u7a0b\uff1a\u751f\u4ea7\u8005\uff1a\u5c06 0-9 \u7684\u6bcf\u4e2a\u6570\u5b57\uff0c\u5206\u522b\u52a0\u4e0a [0,100) 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\u70b9\u7684\u539f\u56e0\uff0c\u6211\u4eec\u5c31\u4e0d\u5f97\u4e0d\u653e\u5f03\u5355\u6d4b\u4e86\u5462\uff1f\u5176\u5b9e\u53ea\u8981\u901a\u8fc7\u5408\u7406\u7684\u6a21\u5757\u804c\u8d23\u5212\u5206\uff0c\u4f9d\u65e7\u662f\u53ef\u4ee5\u5355\u5143\u6d4b\u8bd5\u3002\u8fd9\u79cd\u5212\u5206\u4e0d\u4ec5\u4ec5\u6709\u52a9\u4e8e\u5355\u5143\u6d4b\u8bd5\uff0c\u4e5f\u4f1a\u201c\u987a\u4fbf\u201d\u5e2e\u52a9\u6211\u4eec\u62bd\u8c61\u4e00\u5957\u66f4\u52a0\u5408\u7406\u7684\u4ee3\u7801\u3002\u53ef\u6d4b\u8bd5\u610f\u5473\u7740\u4ec0\u4e48\uff1f\u6240\u6709\u4e0d\u53ef\u6d4b\u8bd5\u7684\u4ee3\u7801\u90fd\u53ef\u4ee5\u901a\u8fc7\u5408\u7406\u7684\u91cd\u6784\u4e0e\u62bd\u8c61\uff0c\u8ba9\u5176\u6838\u5fc3\u903b\u8f91\u53d8\u5f97\u53ef\u6d4b\u8bd5\uff0c\u8fd9\u4e5f\u91cd\u6784\u7684\u610f\u4e49\u6240\u5728\u3002\u672c\u7ae0\u5c31\u4f1a\u8be6\u7ec6\u8bf4\u660e\u8fd9\u4e00\u70b9\u3002\u9996\u5148\u6211\u4eec\u8981\u4e86\u89e3\u53ef\u6d4b\u8bd5\u610f\u5473\u7740\u4ec0\u4e48\uff0c\u5982\u679c\u8bf4\u4e00\u6bb5\u4ee3\u7801\u662f\u53ef\u6d4b\u8bd5\u7684\uff0c\u90a3\u4e48\u5b83\u4e00\u5b9a\u7b26\u5408\u4e0b\u9762\u7684\u6761\u4ef6\uff1a1\u3001\u53ef\u4ee5\u5728\u672c\u5730\u8bbe\u8ba1\u5b8c\u5907\u7684\u6d4b\u8bd5\u7528\u4f8b\uff0c\u79f0\u4e4b\u4e3a \u5b8c\u5168\u8986\u76d6\u7684\u5355\u5143\u6d4b\u8bd5\uff1b2\u3001\u53ea\u8981\u5b8c\u5168\u8986\u76d6\u7684\u5355\u5143\u6d4b\u8bd5\u7528\u4f8b\u5168\u90e8\u6b63\u786e\u8fd0\u884c\uff0c\u90a3\u4e48\u8fd9\u4e00\u6bb5\u903b\u8f91\u80af\u5b9a\u662f\u6ca1\u6709\u95ee\u9898\u7684\uff1b\u7b2c 1 \u70b9\u5e38\u4f1a\u4ee4\u4eba\u611f\u5230\u96be\u4ee5\u7f6e\u4fe1\uff0c\u4f46\u4e8b\u5b9e\u6bd4\u60f3\u8c61\u7684\u7b80\u5355\uff0c\u5047\u8bbe\u6709\u8fd9\u6837\u4e00\u4e2a\u5206\u6bb5\u51fd\u6570\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254357\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>f(x) \u770b\u8d77\u6765\u6709\u65e0\u9650\u7684\u5b9a\u4e49\u57df\uff0c\u6211\u4eec\u6c38\u8fdc\u65e0\u6cd5\u7a77\u4e3e\u6240\u6709\u53ef\u80fd\u7684\u8f93\u5165\u3002\u4f46\u662f\u518d\u4ed4\u7ec6\u60f3\u60f3\uff0c\u6211\u4eec\u5e76\u4e0d\u9700\u8981\u7a77\u4e3e\uff0c\u5176\u5b9e\u53ea\u8981\u4e0b\u9762\u51e0\u4e2a\u7528\u4f8b\u53ef\u4ee5\u901a\u8fc7\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u786e\u4fdd\u8fd9\u4e2a\u51fd\u6570\u662f\u6ca1\u6709\u95ee\u9898\u7684\uff1a&lt;-50f(-51) == -100[-50, 50]f(-25) == -50f(25) == 5050f(51) == 100\u8fb9\u754c\u60c5\u51b5f(-50) == -100f(50) == 100\u65e5\u5e38\u5de5\u4f5c\u4e2d\u7684\u4ee3\u7801\u5f53\u7136\u6bd4\u8fd9\u4e2a\u590d\u6742\u5f88\u591a\uff0c\u4f46\u662f\u6ca1\u6709\u672c\u8d28\u533a\u522b\uff0c\u4e5f\u662f\u6309\u7167\u5982\u4e0b\u601d\u8def\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\u8986\u76d6\u7684\uff1a\u6bcf\u4e00\u4e2a\u5206\u6bb5\u5176\u5b9e\u5c31\u662f\u4ee3\u7801\u4e2d\u7684\u4e00\u4e2a\u6761\u4ef6\u5206\u652f\uff0c\u7528\u4f8b\u7684\u5206\u652f\u8986\u76d6\u7387\u8fbe\u5230\u4e86 100%\uff1b\u50cf 2x \u8fd9\u6837\u7684\u903b\u8f91\u8fd0\u7b97\uff0c\u901a\u8fc7\u51e0\u4e2a\u5408\u9002\u7684\u91c7\u6837\u70b9\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u6b63\u786e\u6027\uff1b\u8fb9\u754c\u6761\u4ef6\u7684\u8986\u76d6\uff0c\u5c31\u50cf\u662f\u5206\u6bb5\u51fd\u6570\u7684\u8f6c\u6298\u70b9\uff1b\u4f46\u662f\u4e1a\u52a1\u4ee3\u7801\u4f9d\u65e7\u6bd4 f(x) \u8981\u590d\u6742\u5f88\u591a\uff0c\u56e0\u4e3a f(x) \u8fd8\u6709\u5176\u4ed6\u597d\u7684\u6027\u8d28\u8ba9\u5b83\u53ef\u4ee5\u88ab\u5b8c\u5168\u6d4b\u8bd5\uff0c\u8fd9\u4e2a\u6027\u8d28\u88ab\u79f0\u4f5c\u5f15\u7528\u900f\u660e\uff1a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u53ea\u548c\u53c2\u6570\u6709\u5173\uff0c\u53ea\u8981\u53c2\u6570\u786e\u5b9a\uff0c\u8fd4\u56de\u503c\u5c31\u662f\u552f\u4e00\u786e\u5b9a\u7684\u73b0\u5b9e\u4e2d\u7684\u4ee3\u7801\u5927\u591a\u90fd\u4e0d\u4f1a\u6709\u8fd9\u4e48\u597d\u7684\u6027\u8d28\uff0c\u53cd\u800c\u5177\u6709\u5f88\u591a\u201c\u574f\u7684\u6027\u8d28\u201d\uff0c\u8fd9\u4e9b\u574f\u7684\u6027\u8d28\u4e5f\u5e38\u88ab\u79f0\u4e3a\u526f\u4f5c\u7528\uff1a\u4ee3\u7801\u4e2d\u542b\u6709\u8fdc\u7a0b\u8c03\u7528\uff0c\u65e0\u6cd5\u786e\u5b9a\u8fd9\u6b21\u8c03\u7528\u662f\u5426\u4f1a\u6210\u529f\uff1b\u542b\u6709\u968f\u673a\u6570\u751f\u6210\u903b\u8f91\uff0c\u5bfc\u81f4\u884c\u4e3a\u4e0d\u786e\u5b9a\uff1b\u6267\u884c\u7ed3\u679c\u548c\u5f53\u524d\u65e5\u671f\u6709\u5173\uff0c\u6bd4\u5982\u53ea\u6709\u5de5\u4f5c\u65e5\u7684\u65e9\u4e0a\uff0c\u95f9\u949f\u624d\u4f1a\u54cd\u8d77\uff1b\u597d\u5728\u6211\u4eec\u53ef\u4ee5\u7528\u4e00\u4e9b\u6280\u5de7\u5c06\u8fd9\u4e9b\u526f\u4f5c\u7528\u4ece\u6838\u5fc3\u903b\u8f91\u4e2d\u62bd\u79bb\u51fa\u6765\u3002\u9ad8\u9636\u51fd\u6570\u201c\u5f15\u7528\u900f\u660e\u201d \u8981\u6c42\u51fd\u6570\u7684\u51fa\u53c2\u7531\u5165\u53c2\u552f\u4e00\u786e\u5b9a\uff0c\u4e4b\u524d\u7684\u4f8b\u5b50\u5bb9\u6613\u8ba9\u4eba\u4ea7\u751f\u8bef\u89e3\uff0c\u89c9\u5f97\u51fa\u53c2\u548c\u5165\u53c2\u4e00\u5b9a\u8981\u662f\u6570\u636e\uff0c\u8ba9\u6211\u4eec\u628a\u89c6\u91ce\u518d\u6253\u5f00\u4e00\u70b9\uff0c\u51fa\u5165\u53c2\u53ef\u4ee5\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u5b83\u4e5f\u53ef\u4ee5\u662f\u5f15\u7528\u900f\u660e\u7684\u3002\u666e\u901a\u7684\u51fd\u6570\u53c8\u53ef\u4ee5\u79f0\u4f5c\u4e00\u9636\u51fd\u6570\uff0c\u800c\u63a5\u6536\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u6216\u8005\u8fd4\u56de\u4e00\u4e2a\u51fd\u6570\u7684\u51fd\u6570\u79f0\u4e3a\u9ad8\u9636\u51fd\u6570\uff0c\u9ad8\u9636\u51fd\u6570\u4e5f\u53ef\u4ee5\u662f\u5f15\u7528\u900f\u660e\u7684\u3002\u5bf9\u4e8e\u51fd\u6570 f(x) \u6765\u8bf4\uff0cx \u662f\u6570\u636e\u8fd8\u662f\u51fd\u6570\uff0c\u5e76\u6ca1\u6709\u672c\u8d28\u7684\u4e0d\u540c\uff0c\u5982\u679c x \u662f\u51fd\u6570\u7684\u8bdd\uff0c\u4ec5\u4ec5\u610f\u5473\u7740 f(x) \u62e5\u6709\u66f4\u52a0\u5e7f\u9614\u7684\u5b9a\u4e49\u57df\uff0c\u4ee5\u81f3\u4e8e\u6ca1\u6709\u529e\u6cd5\u50cf\u4e4b\u524d\u4e00\u6837\u53ea\u7528\u4e00\u4e2a\u4e00\u7ef4\u6570\u8f74\u8868\u793a\u3002\u5bf9\u4e8e\u9ad8\u9636\u51fd\u6570 f(g) (g \u662f\u4e00\u4e2a\u51fd\u6570)\u6765\u8bf4\uff0c\u53ea\u8981\u5bf9\u4e8e\u7279\u5b9a\u7684\u51fd\u6570 g\uff0c\u8fd4\u56de\u903b\u8f91\u4e5f\u662f\u56fa\u5b9a\uff0c\u5b83\u5c31\u662f\u5f15\u7528\u900f\u660e\u7684\u4e86\uff0c \u800c\u4e0d\u7528\u5728\u4e4e\u53c2\u6570 g \u6216\u8005\u8fd4\u56de\u7684\u51fd\u6570\u662f\u5426\u6709\u526f\u4f5c\u7528\u3002\u5229\u7528\u8fd9\u4e2a\u7279\u6027\uff0c\u6211\u4eec\u5f88\u5bb9\u6613\u5c06\u4e00\u4e2a\u6709\u526f\u4f5c\u7528\u7684\u51fd\u6570\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5f15\u7528\u900f\u660e\u7684\u9ad8\u9636\u51fd\u6570\u3002\u4e00\u4e2a\u5178\u578b\u7684\u62e5\u6709\u526f\u4f5c\u7528\u7684\u51fd\u6570\u5982\u4e0b\uff1apublic int f() {<\/p>\n<pre><code>    return ThreadLocalRandom.current().nextInt(100) + 1;\n}\u5b83\u751f\u6210\u4e86\u968f\u673a\u6570\u5e76\u4e14\u52a0 1\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u968f\u673a\u6570\uff0c\u5bfc\u81f4\u5b83\u4e0d\u53ef\u6d4b\u8bd5\u3002\u4f46\u662f\u6211\u4eec\u5c06\u5b83\u8f6c\u6362\u4e3a\u4e00\u4e2a\u53ef\u6d4b\u8bd5\u7684\u9ad8\u9636\u51fd\u6570\uff0c\u53ea\u8981\u5c06\u968f\u673a\u6570\u751f\u6210\u903b\u8f91\u4f5c\u4e3a\u4e00\u4e2a\u53c2\u6570\u4f20\u5165\uff0c\u5e76\u4e14\u8fd4\u56de\u4e00\u4e2a\u51fd\u6570\u5373\u53ef\uff1a<\/code><\/pre>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254358\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u4e0a\u9762\u7684 g \u5c31\u662f\u4e00\u4e2a\u5f15\u7528\u900f\u660e\u7684\u51fd\u6570\uff0c\u53ea\u8981\u7ed9 g \u4f20\u9012\u4e00\u4e2a\u6570\u5b57\u751f\u6210\u5668\uff0c\u8fd4\u56de\u503c\u4e00\u5b9a\u662f\u4e00\u4e2a \u201c\u7528\u6570\u5b57\u751f\u6210\u5668\u751f\u6210\u4e00\u4e2a\u6570\u5b57\u5e76\u4e14\u52a01\u201d \u7684\u903b\u8f91\uff0c\u5e76\u4e14\u4e0d\u5b58\u5728\u5206\u652f\u6761\u4ef6\u548c\u8fb9\u754c\u60c5\u51b5\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u7528\u4f8b\u5373\u53ef\u8986\u76d6\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254359\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u5b9e\u9645\u4e1a\u52a1\u4e2d\u53ef\u4ee5\u7a0d\u5fae\u7b80\u5316\u4e00\u4e0b\u9ad8\u9636\u51fd\u6570\u7684\u8868\u8fbe\uff0c g \u7684\u8fd4\u56de\u7684\u51fd\u6570\u65e2\u7136\u6bcf\u6b21\u90fd\u4f1a\u88ab\u7acb\u5373\u6267\u884c\uff0c\u90a3\u6211\u4eec\u5c31\u4e0d\u8fd4\u56de\u51fd\u6570\u4e86\uff0c\u76f4\u63a5\u5c06\u903b\u8f91\u5199\u5728\u65b9\u6cd5\u4e2d\uff0c\u8fd9\u6837\u4e5f\u662f\u53ef\u6d4b\u8bd5\u7684\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254360\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u8fd9\u91cc\u6211\u867d\u7136\u4f7f\u7528\u4e86 Lambda \u8868\u8fbe\u5f0f\u7b80\u5316\u4ee3\u7801\uff0c\u4f46\u662f \u201c\u51fd\u6570\u201d \u5e76\u4e0d\u4ec5\u4ec5\u662f\u6307 Lambda \u8868\u8fbe\u5f0f\uff0cOOP \u4e2d\u7684\u5145\u8840\u6a21\u578b\u7684\u5bf9\u8c61\uff0c\u63a5\u53e3\u7b49\u7b49\uff0c\u53ea\u8981\u5176\u4e2d\u542b\u6709\u903b\u8f91\uff0c\u5b83\u4eec\u7684\u4f20\u9012\u548c\u8fd4\u56de\u90fd\u53ef\u4ee5\u770b\u4f5c \u201c\u51fd\u6570\u201d\u3002\u56e0\u4e3a\u8fd9\u4e2a\u4f8b\u5b50\u6bd4\u8f83\u7b80\u5355\uff0c\u201c\u53ef\u6d4b\u8bd5\u201d \u5e26\u6765\u7684\u6536\u76ca\u770b\u8d77\u6765\u6ca1\u6709\u90a3\u4e48\u9ad8\uff0c\u771f\u5b9e\u4e1a\u52a1\u4e2d\u7684\u903b\u8f91\u4e00\u822c\u6bd4 +1 \u8981\u590d\u6742\u591a\u4e86\uff0c\u6b64\u65f6\u5982\u679c\u80fd\u6784\u5efa\u6709\u6548\u7684\u6d4b\u8bd5\u5c06\u662f\u975e\u5e38\u6709\u76ca\u7684\u3002\u9762\u5411\u5355\u6d4b\u7684\u91cd\u6784\u7b2c\u4e00\u8f6e\u91cd\u6784\u6211\u4eec\u672c\u7ae0\u56de\u5230\u5f00\u5934\u7684\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u7684\u4f8b\u5b50\uff0c\u7528\u4e0a\u4e00\u7ae0\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u5bf9\u5b83\u8fdb\u884c\u91cd\u6784\u3002\u90a3\u6bb5\u4ee3\u7801\u65e0\u6cd5\u6d4b\u8bd5\u7684\u7b2c\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\u804c\u8d23\u4e0d\u6e05\u6670\uff0c\u5b83\u65e2\u505a\u6570\u636e\u4f20\u9012\uff0c\u53c8\u505a\u6570\u636e\u5904\u7406\u3002\u56e0\u6b64\u6211\u4eec\u8003\u8651\u5c06\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6570\u636e\u4f20\u9012\u7684\u4ee3\u7801\u5355\u72ec\u62bd\u53d6\u51fa\u6765\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254361\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u8fd9\u4e00\u6bb5\u4ee3\u7801\u7684\u804c\u8d23\u5c31\u5f88\u6e05\u6670\u4e86\uff0c\u6211\u4eec\u7ed9\u8fd9\u4e2a\u65b9\u6cd5\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u7684\u76ee\u6807\u4e5f\u5341\u5206\u660e\u786e\uff0c\u5373\u9a8c\u8bc1\u6570\u636e\u80fd\u591f\u6b63\u786e\u5730\u4ece\u751f\u4ea7\u8005\u4f20\u9012\u5230\u6d88\u8d39\u8005\u3002\u4f46\u662f\u5f88\u5feb\u6211\u4eec\u53c8\u9047\u5230\u4e86\u4e4b\u524d\u63d0\u5230\u7684\u7b2c\u4e8c\u4e2a\u95ee\u9898\uff0c\u5373\u5f02\u6b65\u7ebf\u7a0b\u4e0d\u53ef\u63a7\uff0c\u4f1a\u5bfc\u81f4\u5355\u6d4b\u6267\u884c\u7684\u4e0d\u7a33\u5b9a\uff0c\u7528\u4e0a\u4e00\u7ae0\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u5c06\u6267\u884c\u5668\u4f5c\u4e3a\u4e00\u4e2a\u5165\u53c2\u62bd\u79bb\u51fa\u53bb\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254362\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u8fd9\u65f6\u6211\u4eec\u5c31\u4e3a\u5b83\u5199\u4e00\u4e2a\u7a33\u5b9a\u7684\u5355\u5143\u6d4b\u8bd5\u4e86\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254363\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u53ea\u8981\u8fd9\u4e2a\u6d4b\u8bd5\u80fd\u591f\u901a\u8fc7\uff0c\u5c31\u80fd\u8bf4\u660e\u751f\u4ea7\u6d88\u8d39\u5728\u903b\u8f91\u4e0a\u662f\u6ca1\u6709\u95ee\u9898\u7684\u3002\u4e00\u4e2a\u770b\u8d77\u6765\u6bd4\u4e4b\u524d\u7684\u5206\u6bb5\u51fd\u6570\u590d\u6742\u5f88\u591a\u7684\u903b\u8f91\uff0c\u672c\u8d28\u4e0a\u5374\u53ea\u662f\u5b83\u5b9a\u4e49\u57df\u4e0a\u7684\u4e00\u4e2a\u6052\u7b49\u51fd\u6570\uff08\u56e0\u4e3a\u53ea\u8981\u4e00\u4e2a\u7528\u4f8b\u5c31\u80fd\u8986\u76d6\u5168\u90e8\u60c5\u51b5\uff09\uff0c\u662f\u4e0d\u662f\u5f88\u60ca\u8bb6\u3002\u5982\u679c\u4e0d\u592a\u559c\u6b22\u4e0a\u8ff0\u7684\u51fd\u6570\u5f0f\u7f16\u7a0b\u98ce\u683c\uff0c\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5c06\u5176\u6539\u9020\u6210 OOP \u98ce\u683c\u7684\u62bd\u8c61\u7c7b\uff0c\u5c31\u50cf\u4e0a\u4e00\u7ae0\u63d0\u5230\u7684\uff0c\u4f20\u9012\u5bf9\u8c61\u548c\u4f20\u9012\u51fd\u6570\u6ca1\u6709\u672c\u8d28\u7684\u533a\u522b\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254364\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u6b64\u65f6\u5355\u5143\u6d4b\u8bd5\u5c31\u4f1a\u50cf\u662f\u8fd9\u4e2a\u6837\u5b50\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254365\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u770b\u5230\u8fd9\u4e9b\u7c7b\uff0c\u719f\u6089\u8bbe\u8ba1\u6a21\u5f0f\u7684\u8bfb\u8005\u4eec\u4e00\u5b9a\u4f1a\u60f3\u5230 \u201c\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u201d\uff0c\u4f46\u662f\u6211\u4eec\u5728\u4e0a\u9762\u7684\u8fc7\u7a0b\u4ece\u6765\u6ca1\u6709\u523b\u610f\u53bb\u7528\u4efb\u4f55\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u6b63\u786e\u7684\u91cd\u6784\u5c31\u4f1a\u8ba9\u4f60\u5728\u65e0\u610f\u95f4 \u201c\u91cd\u65b0\u53d1\u73b0\u201d \u8fd9\u4e9b\u5e38\u7528\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u4e00\u822c\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8bbe\u8ba1\u6a21\u5f0f\u7684\u4f7f\u7528\u90fd\u662f\u6b63\u786e\u7684\uff0c\u56e0\u4e3a\u6211\u4eec\u4e00\u76f4\u5728\u628a\u4ee3\u7801\u5f80\u66f4\u52a0\u53ef\u6d4b\u8bd5\u7684\u65b9\u5411\u63a8\u8350\uff0c\u800c\u8fd9\u4e5f\u662f\u8861\u91cf\u8bbe\u8ba1\u6a21\u5f0f\u662f\u5426\u4f7f\u7528\u6b63\u786e\u7684\u91cd\u8981\u6807\u51c6\uff0c\u9519\u8bef\u7684\u8bbe\u8ba1\u6a21\u5f0f\u4f7f\u7528\u5219\u4f1a\u8ba9\u4ee3\u7801\u66f4\u52a0\u7684\u5272\u88c2\u548c\u4e0d\u53ef\u6d4b\u8bd5\uff0c\u540e\u6587\u8ba8\u8bba\u201c\u8fc7\u5ea6\u8bbe\u8ba1\u201d\u8fd9\u4e2a\u4e3b\u9898\u65f6\u4f1a\u8fdb\u4e00\u6b65\u6df1\u5165\u8ba8\u8bba\u8fd9\u4e00\u90e8\u5206\u5185\u5bb9\u3002\u5f88\u663e\u7136\u8fd9\u79cd\u6d4b\u8bd5\u65e0\u6cd5\u9a8c\u8bc1\u591a\u7ebf\u7a0b\u8fd0\u884c\u7684\u60c5\u51b5\uff0c\u4f46\u6211\u6545\u610f\u8fd9\u4e48\u505a\u7684\uff0c\u8fd9\u90e8\u5206\u5355\u5143\u6d4b\u8bd5\u7684\u4e3b\u8981\u76ee\u7684\u662f\u9a8c\u8bc1\u903b\u8f91\u7684\u6b63\u786e\u6027\uff0c\u53ea\u6709\u5148\u9a8c\u8bc1\u903b\u8f91\u4e0a\u7684\u6b63\u786e\u6027\uff0c\u518d\u53bb\u6d4b\u8bd5\u5e76\u53d1\u624d\u6bd4\u8f83\u6709\u610f\u4e49\uff0c\u5728\u903b\u8f91\u5b58\u5728\u95ee\u9898\u7684\u60c5\u51b5\u4e0b\u5c31\u53bb\u6d4b\u8bd5\u5e76\u53d1\uff0c\u53ea\u4f1a\u8ba9\u95ee\u9898\u9690\u85cf\u5f97\u66f4\u6df1\uff0c\u96be\u4ee5\u6392\u67e5\u3002\u4e00\u822c\u5f00\u6e90\u9879\u76ee\u4e2d\u4f1a\u6709\u4e13\u95e8\u7684\u5355\u5143\u6d4b\u8bd5\u53bb\u6d4b\u8bd5\u5e76\u53d1\uff0c\u4f46\u662f\u56e0\u4e3a\u5176\u7f16\u5199\u4ee3\u4ef7\u6bd4\u8f83\u5927\uff0c\u8fd0\u884c\u65f6\u95f4\u6bd4\u8f83\u957f\uff0c\u6570\u91cf\u4f1a\u8fdc\u5c11\u4e8e\u903b\u8f91\u6d4b\u8bd5\u3002\u7ecf\u8fc7\u7b2c\u4e00\u8f6e\u91cd\u6784\uff0c\u4e3b\u51fd\u6570\u53d8\u6210\u4e86\u8fd9\u4e2a\u6837\u5b50\uff08\u8fd9\u91cc\u6211\u6700\u7ec8\u91c7\u7528\u4e86 OOP \u98ce\u683c\uff09\uff1a    public void producerConsumer() {<\/p>\n<pre><code>    new ProducerConsumer&lt; Integer&gt;(Executors.newFixedThreadPool(2)) {\n        @Override\n        void produce() {\n            for (int i = 0; i &lt; 10; i++) {\n                produceInner(i + ThreadLocalRandom.current().nextInt(100));\n            }\n        }\n\n        @Override\n        void consume() {\n            while (true) {\n                Integer result = consumeInner();\n                System.out.println(result);\n            }\n        }\n    }.start();\n}\u5728\u7b2c\u4e00\u8f6e\u91cd\u6784\u4e2d\uff0c\u6211\u4eec\u4ec5\u4ec5\u4fdd\u969c\u4e86\u6570\u636e\u4f20\u9012\u903b\u8f91\u662f\u6b63\u786e\u7684\uff0c\u5728\u7b2c\u4e8c\u8f6e\u91cd\u6784\u4e2d\uff0c\u6211\u4eec\u8fd8\u5c06\u8fdb\u4e00\u6b65\u6269\u5927\u53ef\u6d4b\u8bd5\u7684\u8303\u56f4\u3002\u7b2c\u4e8c\u8f6e\u91cd\u6784\u4ee3\u7801\u4e2d\u5f71\u54cd\u6211\u4eec\u8fdb\u4e00\u6b65\u6269\u5927\u6d4b\u8bd5\u8303\u56f4\u56e0\u7d20\u8fd8\u6709\u4e24\u4e2a\uff1a\u968f\u673a\u6570\u751f\u6210\u903b\u8f91\u6253\u5370\u903b\u8f91\u53ea\u8981\u5c06\u8fd9\u4e24\u4e2a\u903b\u8f91\u50cf\u4e4b\u524d\u4e00\u6837\u62bd\u51fa\u6765\u5373\u53ef\uff1a<\/code><\/pre>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254366\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u8fd9\u6b21\u91c7\u7528 OOP \u548c \u51fd\u6570\u5f0f \u6df7\u7f16\u7684\u98ce\u683c\uff0c\u4e5f\u53ef\u4ee5\u8003\u8651\u5c06 numberGenerator \u548c numberConsumer \u4e24\u4e2a\u65b9\u6cd5\u53c2\u6570\u6539\u6210\u62bd\u8c61\u65b9\u6cd5\uff0c\u8fd9\u6837\u5c31\u662f\u66f4\u52a0\u7eaf\u7cb9\u7684 OOP\u3002\u5b83\u4e5f\u53ea\u9700\u8981\u4e00\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u5373\u53ef\u5b9e\u73b0\u5b8c\u5168\u8986\u76d6\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254367\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u6b64\u65f6\u4e3b\u51fd\u6570\u53d8\u6210\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254368\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u7ecf\u8fc7\u4e24\u8f6e\u91cd\u6784\uff0c\u6211\u4eec\u5c06\u4e00\u4e2a\u5f88\u968f\u610f\u7684\u9762\u6761\u4ee3\u7801\u91cd\u6784\u6210\u4e86\u5f88\u4f18\u96c5\u7684\u7ed3\u6784\uff0c\u9664\u4e86\u66f4\u52a0\u53ef\u6d4b\u8bd5\u5916\uff0c\u4ee3\u7801\u4e5f\u66f4\u52a0\u7b80\u6d01\u62bd\u8c61\uff0c\u53ef\u590d\u7528\uff0c\u8fd9\u4e9b\u90fd\u662f\u9762\u5411\u5355\u6d4b\u91cd\u6784\u6240\u5e26\u6765\u7684\u9644\u52a0\u597d\u5904\u3002\u4f60\u53ef\u80fd\u4f1a\u6ce8\u610f\u5230\uff0c\u5373\u4f7f\u7ecf\u8fc7\u4e86\u4e24\u8f6e\u91cd\u6784\uff0c\u6211\u4eec\u4f9d\u65e7\u4e0d\u4f1a\u76f4\u63a5\u5bf9\u4e3b\u51fd\u6570 producerConsumer \u8fdb\u884c\u6d4b\u8bd5\uff0c\u800c\u53ea\u662f\u65e0\u9650\u63a5\u8fd1\u8986\u76d6\u91cc\u9762\u7684\u5168\u90e8\u903b\u8f91\uff0c\u56e0\u4e3a\u6211\u8ba4\u4e3a\u5b83\u4e0d\u5728\u201c\u6d4b\u8bd5\u7684\u8fb9\u754c\u201d\u5185\uff0c\u6211\u66f4\u503e\u5411\u4e8e\u7528\u96c6\u6210\u6d4b\u8bd5\u53bb\u6d4b\u8bd5\u5b83\uff0c\u96c6\u6210\u6d4b\u8bd5\u5219\u4e0d\u5728\u672c\u7bc7\u6587\u7ae0\u8ba8\u8bba\u7684\u8303\u56f4\u5185\u3002\u4e0b\u4e00\u7ae0\u5219\u91cd\u70b9\u8ba8\u8bba\u6d4b\u8bd5\u8fb9\u754c\u7684\u95ee\u9898\u3002\u5355\u5143\u6d4b\u8bd5\u7684\u8fb9\u754c\u8fb9\u754c\u5185\u7684\u4ee3\u7801\u90fd\u662f\u5355\u5143\u6d4b\u8bd5\u53ef\u4ee5\u6709\u6548\u8986\u76d6\u5230\u7684\u4ee3\u7801\uff0c\u800c\u8fb9\u754c\u5916\u7684\u4ee3\u7801\u5219\u662f\u6ca1\u6709\u5355\u5143\u6d4b\u8bd5\u4fdd\u969c\u7684\u3002\u4e0a\u4e00\u7ae0\u6240\u63cf\u8ff0\u7684\u91cd\u6784\u8fc7\u7a0b\u672c\u8d28\u4e0a\u5c31\u662f\u4e00\u4e2a\u5728\u63a2\u7d22\u4e2d\u4e0d\u65ad\u6269\u5927\u6d4b\u8bd5\u8fb9\u754c\u7684\u8fc7\u7a0b\u3002\u4f46\u662f\u5355\u5143\u6d4b\u8bd5\u7684\u8fb9\u754c\u662f\u4e0d\u53ef\u80fd\u65e0\u9650\u6269\u5927\u7684\uff0c\u56e0\u4e3a\u5b9e\u9645\u7684\u5de5\u7a0b\u4e2d\u5fc5\u7136\u6709\u5927\u91cf\u7684\u4e0d\u53ef\u6d4b\u8bd5\u90e8\u5206\uff0c\u6bd4\u5982 RPC 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\/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254369\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u91cd\u6784\u7684\u5de5\u4f5c\u6d41\u597d\u4ee3\u7801\u4ece\u6765\u90fd\u4e0d\u662f\u4e00\u8e74\u800c\u5c31\u7684\uff0c\u90fd\u662f\u5148\u5199\u4e00\u4e2a\u5927\u6982\uff0c\u7136\u540e\u9010\u6e10\u8fed\u4ee3\u548c\u91cd\u6784\u7684\uff0c\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u6765\u8bf4\uff0c\u91cd\u6784\u522b\u4eba\u7684\u4ee3\u7801\u548c\u5199\u65b0\u4ee3\u7801\u6ca1\u6709\u5f88\u5927\u7684\u533a\u522b\u3002\u4ece\u4e0a\u9762\u7684\u5185\u5bb9\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u603b\u7ed3\u51fa\u4e00\u4e2a\u7b80\u5355\u7684\u91cd\u6784\u5de5\u4f5c\u6d41\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254370\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br 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\u5f80\u5f80\u4e60\u60ef\u4e8e\u5c06\u81ea\u5df1\u7684\u8bbe\u8ba1\u8026\u5408\u8fdb Spring \u6846\u67b6\u4e2d\uff0c\u6bd4\u5982\u5c06\u4e00\u6bb5\u5b8c\u6574\u7684\u903b\u8f91\u62c6\u5206\u5230\u51e0\u4e2a Spring Bean \u4e2d\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u666e\u901a\u7684 Java \u7c7b\uff0c\u5bfc\u81f4\u6839\u672c\u5c31\u65e0\u6cd5\u5728\u4e0d\u542f\u52a8\u5bb9\u5668\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u5b8c\u6574\u7684\u6d4b\u8bd5\uff0c\u6700\u540e\u53ea\u80fd\u5199\u4e00\u5806\u65e0\u6548\u7684\u6d4b\u8bd5\u63d0\u5347\u201c\u8986\u76d6\u7387\u201d\u3002\u8fd9\u4e5f\u662f\u5f88\u591a\u4eba\u62b1\u6028\u201c\u5355\u5143\u6d4b\u8bd5\u6ca1\u6709\u7528\u201d\u7684\u539f\u56e0\u3002\u548c TDD \u7684\u533a\u522b\u672c\u6587\u5230\u8fd9\u91cc\u90fd\u8fd8\u6ca1\u6709\u63d0\u53ca\u5230 TDD\uff0c\u4f46\u662f\u4e0a\u6587\u4e2d\u9610\u8ff0\u7684\u5185\u5bb9\u80af\u5b9a\u8ba9\u4e0d\u5c11\u8bfb\u8005\u60f3\u5230\u4e86\u8fd9\u4e2a\u540d\u8bcd\uff0cTDD \u662f 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TDD \u601d\u60f3\u4e0a\u6765\u8bf4\uff0c\u8fd9\u7bc7\u6587\u7ae0\u7684\u603b\u4f53\u601d\u8def\u548c TDD \u662f\u5dee\u4e0d\u591a\u7684\uff0c\u6216\u8005\u6807\u9898\u4e5f\u53ef\u4ee5\u6539\u53eb\u505a \u201cTDD \u5b9e\u8df5\u201d\u3002\u4e1a\u52a1\u5b9e\u4f8b &#8211; \u5bfc\u51fa\u7cfb\u7edf\u91cd\u6784\u9489\u9489\u5ba1\u6279\u7684\u5bfc\u51fa\u7cfb\u7edf\u662f\u4e00\u4e2a\u4e13\u95e8\u8d1f\u8d23\u5c06\u5ba1\u6279\u5355\u6279\u91cf\u5bfc\u51fa\u6210 Excel \u7684\u7cfb\u7edf\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254371\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u5927\u6982\u6b65\u9aa4\u5982\u4e0b\uff1a\u542f\u52a8\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u5728\u5185\u5b58\u4e2d\u5f02\u6b65\u751f\u6210 Excel\u4e0a\u4f20 Excel \u5230\u9489\u76d8\/oss\u53d1\u6d88\u606f\u7ed9\u7528\u6237\u9489\u9489\u5ba1\u6279\u5bfc\u51fa\u7cfb\u7edf\u6bd4\u5e38\u89c4\u5bfc\u51fa\u7cfb\u7edf\u8981\u66f4\u52a0\u590d\u6742\u4e00\u4e9b\uff0c\u56e0\u4e3a\u5b83\u7684\u8868\u5355\u7ed3\u6784\u5e76\u4e0d\u662f\u56fa\u5b9a\u7684\u3002\u800c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u8bbe\u8ba1\u5668\u7075\u6d3b\u914d\u7f6e\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254372\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u51fa\u5355\u4e2a\u5ba1\u6279\u5355\u8fd8\u5177\u6709\u590d\u6742\u7684\u5185\u90e8\u7ed3\u6784\uff0c\u6bd4\u5982\u660e\u7ec6\uff0c\u5173\u8054\u8868\u5355\u7b49\u7b49\uff0c\u800c\u4e14\u8fd8\u80fd\u76f8\u4e92\u5d4c\u5957\uff0c\u56e0\u6b64\u903b\u8f91\u5f88\u5341\u5206\u590d\u6742\u3002\u6211\u63a5\u624b\u5bfc\u51fa\u7cfb\u7edf\u7684\u65f6\u5019\uff0c\u5df2\u7ecf\u7ef4\u62a4\u4e24\u5e74\u4e86\uff0c\u6ca1\u6709\u4efb\u4f55\u6d4b\u8bd5\u7528\u4f8b\uff0c\u4ee3\u7801\u4e2d\u5bfc\u51fa\u90fd\u662f\u7c7b\u4f3c patchXxx \u7684\u65b9\u6cd5\uff0c\u53ef\u89c1\u5728\u4e24\u5e74\u7684\u5c81\u6708\u4e2d\uff0c\u88ab\u6253\u4e86\u4e0d\u5c11\u8865\u4e01\u3002\u7cfb\u7edf\u867d\u7136\u603b\u4f53\u80fd\u7528\uff0c\u4f46\u662f\u6709\u5f88\u591a\u5c0f bug\uff0c\u57fa\u672c\u4e0a\u9047\u5230\u8fb9\u754c\u60c5\u51b5\u5c31\u4f1a\u51fa\u73b0\u4e00\u4e2a bug\uff08\u8fb9\u754c\u60c5\u51b5\u6bd4\u5982\u660e\u7ec6\u91cc\u53ea\u6709\u4e00\u4e2a\u63a7\u4ef6\uff0c\u660e\u7ec6\u91cc\u6709\u5173\u8054\u8868\u5355\uff0c\u800c\u5173\u8054\u8868\u5355\u91cc\u53c8\u6709\u660e\u7ec6\u7b49\u7b49\uff09\u3002\u4ee3\u7801\u5b8c\u5168\u4e0d\u53ef\u6d4b\u8bd5\uff0c\u5b8c\u6210\u7684\u903b\u8f91\u88ab Spring Bean \u9694\u79bb\u6210\u4e00\u5c0f\u5757\uff0c\u4e00\u5c0f\u5757\uff0c\u5c31\u50cf\u4e0b\u56fe\u4e00\u6837\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254373\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u6211\u51b3\u5b9a\u5c06\u8fd9\u4e9b\u4ee3\u7801\u91cd\u6784\uff0c\u4e0d\u80fd\u8ba9\u5b83\u7ee7\u7eed\u837c\u6bd2\u540e\u4eba\uff0c\u4f46\u662f\u9762\u5bf9\u4e00\u56e2\u4e71\u9ebb\u7684\u4ee3\u7801\u5b8c\u5168\u4e0d\u77e5\u9053\u5982\u4f55\u4e0b\u624b\uff08\u4ee5\u4e0b\u8d34\u56fe\u4ec5\u4ec5\u662f\u4e3a\u4e86\u8ba9\u5927\u5bb6\u611f\u53d7\u4e0b\u5f53\u65f6\u7684\u5fc3\u60c5\uff0c\u4e0d\u7528\u4ed4\u7ec6\u770b\uff09\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254374\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u6211\u51b3\u5b9a\u7528\u672c\u6587\u7684\u5de5\u4f5c\u6d41\u5bf9\u4ee3\u7801\u8fdb\u884c\u91cd\u65b0\u68b3\u7406\u3002\u786e\u5b9a\u6d4b\u8bd5\u8fb9\u754c\u9996\u5148\u9700\u8981\u786e\u5b9a\u54ea\u4e9b\u90e8\u5206\u662f\u5355\u5143\u6d4b\u8bd5\u53ef\u4ee5\u8986\u76d6\u5230\u7684\uff0c\u54ea\u4e9b\u90e8\u5206\u662f\u4e0d\u9700\u8981\u8986\u76d6\u5230\u7684\uff0c\u9760\u96c6\u6210\u6d4b\u8bd5\u4fdd\u8bc1\u7684\u3002\u7ecf\u8fc7\u5206\u6790\uff0c\u6211\u8ba4\u4e3a\u5bfc\u51fa\u7cfb\u7edf\u7684\u6838\u5fc3\u529f\u80fd\uff0c\u5c31\u662f\u6839\u636e\u8868\u5355\u914d\u7f6e\u548c\u8868\u5355\u6570\u636e\u751f\u6210 excel \u6587\u4ef6\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254375\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u8fd9\u90e8\u5206\u4e5f\u662f\u6700\u6838\u5fc3\uff0c\u903b\u8f91\u4e5f\u6700\u590d\u6742\u7684\u90e8\u5206\uff0c\u56e0\u6b64\u6211\u5c06\u8fd9\u4e00\u90e8\u5206\u4f5c\u4e3a\u6211\u7684\u6d4b\u8bd5\u8fb9\u754c\uff0c\u800c\u5176\u4ed6\u90e8\u5206\uff0c\u6bd4\u5982\u4e0a\u4f20\uff0c\u53d1\u5de5\u4f5c\u901a\u77e5\u6d88\u606f\u7b49\u653e\u5728\u8fb9\u754c\u4e4b\u5916\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254376\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u56fe\u4e2d \u201c\u8868\u5355\u914d\u7f6e\u201d \u662f\u4e00\u4e2a\u6570\u636e\uff0c\u800c \u201c\u8868\u5355\u6570\u636e\u201d \u5176\u5b9e\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u56e0\u4e3a\u5bfc\u51fa\u8fc7\u7a0b\u4e2d\u4f1a\u4e0d\u65ad\u6279\u91cf\u5206\u9875\u5730\u53bb\u67e5\u8be2\u6570\u636e\u3002\u4e0d\u65ad\u8fed\u4ee3\uff0c\u6269\u5927\u6d4b\u8bd5\u8fb9\u754c\u5230\u7406\u60f3\u72b6\u6001\u6211\u8fed\u4ee3\u7684\u8fc7\u7a0b\u5982\u4e0b\uff1a\u5f02\u6b65\u6267\u884c\u5bfc\u81f4\u4e0d\u53ef\u6d4b\u8bd5\uff1a\u62bd\u51fa\u4e00\u4e2a\u540c\u6b65\u7684\u51fd\u6570\uff1b\u5927\u91cf\u4f7f\u7528 Spring Bean \u5bfc\u81f4\u903b\u8f91\u5272\u88c2\uff1a\u5c06\u903b\u8f91\u653e\u5230\u666e\u901a\u7684 Java \u7c7b\u6216\u8005\u9759\u6001\u65b9\u6cd5\u4e2d\uff1b\u8868\u5355\u6570\u636e\uff0c\u6d41\u7a0b\u4e0e\u7528\u6237\u7684\u76f8\u5173\u4fe1\u606f\u67e5\u8be2\u662f\u8fdc\u7a0b\u8c03\u7528\uff0c\u542b\u6709\u526f\u4f5c\u7528\uff1a\u901a\u8fc7\u9ad8\u9636\u51fd\u6570\u5c06\u8fd9\u4e9b\u526f\u4f5c\u7528\u62bd\u51fa\u53bb\uff1b\u5bfc\u5165\u72b6\u6001\u843d\u5165\u6570\u636e\u5e93\uff0c\u4e5f\u662f\u4e00\u4e2a\u526f\u4f5c\u7528\uff1a\u540c\u6837\u901a\u8fc7\u9ad8\u9636\u51fd\u6570\u5c06\u5176\u62bd\u8c61\u51fa\u53bb\uff1b\u6700\u7ec8\u5bfc\u51fa\u7684\u6d4b\u8bd5\u8fb9\u754c\u5927\u7ea6\u662f\u8fd9\u4e2a\u6837\u5b50\uff1apublic byte[] export(FormConfig config, DataService dataService, ExportStatusStore statusStore) {<\/p>\n<pre><code>\/\/... \u7701\u7565\u5177\u4f53\u903b\u8f91, \u5176\u4e2d\u5305\u62ec\u6240\u6709\u53ef\u6d4b\u8bd5\u7684\u903b\u8f91, \u5305\u62ec\u8868\u5355\u6570\u636e\u8f6c\u6362\uff0cexcel \u751f\u6210<\/code><\/pre>\n<p>}config\uff1a\u6570\u636e\uff0c\u8868\u5355\u914d\u7f6e\u4fe1\u606f\uff0c\u542b\u6709\u54ea\u4e9b\u63a7\u4ef6\uff0c\u4ee5\u53ca\u63a7\u4ef6\u7684\u914d\u7f6edataService: \u51fd\u6570\uff0c\u7528\u4e8e\u6279\u91cf\u5206\u9875\u67e5\u8be2\u8868\u5355\u6570\u636e\u7684\u526f\u4f5c\u7528statusStore: \u51fd\u6570\uff0c\u7528\u4e8e\u53d8\u66f4\u548c\u6301\u4e45\u5316\u5bfc\u51fa\u7684\u72b6\u6001\u7684\u526f\u4f5c\u7528public interface DataService {<\/p>\n<pre><code>PageList&lt;FormData&gt; batchGet(String formId, Long cursor, int pageSize);\n<\/code><\/pre>\n<p>}public interface ExportStatusStore {<\/p>\n<pre><code>\/**\n * \u5c06\u72b6\u6001\u5207\u6362\u4e3a RUNNING\n *\/\nvoid runningStatus();\n\n\/**\n * \u5c06\u72b6\u6001\u7f6e\u4e3a finish\n * @param fileId \u6587\u4ef6 id\n *\/\nvoid finishStatus(Long fileId);\n\n\/**\n * \u5c06\u72b6\u6001\u7f6e\u4e3a error\n * @param errMsg \u9519\u8bef\u4fe1\u606f\n *\/\nvoid errorStatus(String errMsg);\n<\/code><\/pre>\n<p>}\u5728\u672c\u5730\u5373\u53ef\u9a8c\u8bc1\u751f\u6210\u7684 Excel \u6587\u4ef6\u662f\u5426\u6b63\u786e\uff08\u4ee3\u7801\u7ecf\u8fc7\u7b80\u5316\uff09\uff1a    public void testExport() {<\/p>\n<pre><code>    \/\/  \u8fd9\u91cc\u7684 export \u5c31\u662f\u521a\u521a\u5c55\u793a\u7684\u5bfc\u51fa\u6d4b\u8bd5\u8fb9\u754c\n    byte[] excelBytes = export(new FormConfig(), new LocalDataService(),\n            new LocalStatusStore());\n    assertExcelContent(excelBytes, Arrays.asList(\n            Arrays.asList(&quot;\u5e8f\u53f7&quot;, &quot;\u8868\u683c&quot;, &quot;\u8868\u683c&quot;, &quot;\u8868\u683c&quot;, &quot;\u521b\u5efa\u65f6\u95f4&quot;, &quot;\u521b\u5efa\u8005&quot;),\n            Arrays.asList(&quot;\u5e8f\u53f7&quot;, &quot;\u7269\u54c1\u7f16\u53f7&quot;, &quot;\u7269\u54c1\u540d\u79f0&quot;, &quot;xxx&quot;, &quot;\u521b\u5efa\u65f6\u95f4&quot;, &quot;\u521b\u5efa\u8005&quot;),\n            Arrays.asList(&quot;1&quot;, &quot;22&quot;, &quot;\u706b\u8f66&quot;, &quot;\u800c\u975e&quot;, &quot;2020-10-11 00:00:00&quot;, &quot;\u60ac\u8861&quot;)\n    ));\n}\u5176\u4e2d LocalDataService\uff0cLocalStatusStore \u5206\u522b\u662f\u5185\u5b58\u4e2d\u7684\u6570\u636e\u670d\u52a1\uff0c\u548c\u72b6\u6001\u53d8\u66f4\u670d\u52a1\u5b9e\u73b0\uff0c\u7528\u4e8e\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\u3002assertExcelContent \u662f\u6211\u7528 poi \u5199\u7684\u4e00\u4e2a\u5de5\u5177\u65b9\u6cd5\uff0c\u7528\u4e8e\u6d4b\u8bd5\u5185\u5b58\u4e2d\u7684 excel \u6587\u4ef6\u662f\u5426\u7b26\u5408\u9884\u671f\u3002\u6240\u6709\u8fb9\u754c\u7684\u7528\u4f8b\u90fd\u53ef\u4ee5\u76f4\u63a5\u5728\u672c\u5730\u6d4b\u8bd5\u548c\u6c89\u6dc0\u7528\u4f8b\u3002\u6700\u7ec8\u7684\u4ee3\u7801\u7ed3\u6784\u5927\u7ea6\u5982\u4e0b\uff08\u7ecf\u8fc7\u7b80\u5316\uff09\uff1a<\/code><\/pre>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042254377\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u867d\u7136\u5230\u73b0\u5728\u4e3a\u6b62\u6211\u7684\u76ee\u7684\u90fd\u662f\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u6d4b\u8bd5\u6027\uff0c\u4f46\u662f\u5b9e\u9645\u4e0a\u6211\u4e00\u4e0d\u5c0f\u5fc3\u4e5f\u63d0\u5347\u4e86\u4ee3\u7801\u7684\u62d3\u5c55\u6027\uff0c\u5728\u5b8c\u5168\u6ca1\u6709\u76f8\u5173\u4ea7\u54c1\u9700\u6c42\u7684\u60c5\u51b5\u4e0b\uff1a\u901a\u8fc7 DataService \u7684\u62bd\u8c61\uff0c\u7cfb\u7edf\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u6e90\u5bfc\u51fa\uff0c\u6bd4\u5982\u6765\u81ea\u641c\u7d22\uff0c\u6216\u8005\u6765\u81ea db \u7684\uff0c\u53ea\u8981\u4f20\u5165\u4e0d\u540c\u7684 DataService \u5b9e\u73b0\u5373\u53ef\uff0c\u5b8c\u5168\u4e0d\u9700\u8981\u6539\u52a8\u548c\u6027\u903b\u8f91\uff1bExportStatusStore \u7684\u62bd\u8c61\uff0c\u8ba9\u7cfb\u7edf\u6709\u80fd\u529b\u4f7f\u7528\u4e0d\u540c\u7684\u72b6\u6001\u5b58\u50a8\uff0c\u867d\u7136\u76ee\u524d\u4f7f\u7528\u7684\u662f db\uff0c\u4f46\u662f\u4e5f\u53ef\u4ee5\u5728\u4e0d\u6539\u6838\u5fc3\u903b\u8f91\u7684\u60c5\u51b5\u4e0b\u8f7b\u677e\u5207\u6362\u6210 tair \u7b49\u5176\u4ed6\u4e2d\u95f4\u4ef6\uff1b\u679c\u7136\u5728\u6211\u91cd\u6784\u540e\u4e0d\u4e45\uff0c\u5c31\u63a5\u5230\u4e86\u7c7b\u4f3c\u7684\u9700\u6c42\uff0c\u6bd4\u5982\u8981\u652f\u6301\u4ece\u4e0d\u540c\u7684\u6570\u636e\u6e90\u5bfc\u51fa\u3002\u6211\u4eec\u53c8\u65b0\u589e\u4e86\u4e00\u4e2a\u5bfc\u51fa\u5165\u53e3\uff0c\u8fd9\u4e2a\u5bfc\u51fa\u72b6\u6001\u662f\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u8868\u4e2d\u3002\u6bcf\u6b21\u6211\u90fd\u6697\u81ea\u7a83\u559c\uff0c\u5176\u5b9e\u8fd9\u4e9b\u6211\u65e9\u5c31\u4ece\u67b6\u6784\u4e0a\u51c6\u5907\u597d\u4e86\u3002\u5355\u5143\u6d4b\u8bd5\u7684\u5c40\u9650\u6027\u867d\u7136\u672c\u6587\u662f\u4e00\u7bc7\u5355\u5143\u6d4b\u8bd5\u5e03\u9053\u6587\u7ae0\uff0c\u524d\u6587\u4e5f\u5c06\u5355\u5143\u6d4b\u8bd5\u8bf4\u5f97\u201c\u795e\u901a\u5e7f\u5927\u201d\uff0c\u4f46\u662f\u4e5f\u4e0d\u5f97\u4e0d\u627f\u8ba4\u5355\u5143\u6d4b\u8bd5\u65e0\u6cd5\u89e3\u51b3\u5168\u90e8\u7684\u95ee\u9898\u3002\u5355\u5143\u6d4b\u8bd5\u4ec5\u4ec5\u80fd\u4fdd\u8bc1\u5e94\u8be5\u7684\u4ee3\u7801\u903b\u8f91\u662f\u6b63\u786e\u7684\uff0c\u4f46\u662f\u5e94\u7528\u5f00\u53d1\u4e2d\u8fd8\u6709\u5f88\u591a\u66f4\u52a0\u8981\u7d27\u7684\u4e8b\u60c5\uff0c\u6bd4\u5982\u67b6\u6784\u8bbe\u8ba1\uff0c\u4e2d\u95f4\u4ef6\u9009\u578b\u7b49\u7b49\uff0c\u5f88\u591a\u7cfb\u7edf bug 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rel=\"nofollow\">https:\/\/click.aliyun.com\/m\/10&#8230;<\/a><br \/>\u672c\u6587\u4e3a\u963f\u91cc\u4e91\u539f\u521b\u5185\u5bb9\uff0c\u672a\u7ecf\u5141\u8bb8\u4e0d\u5f97\u8f6c\u8f7d\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042291235\">https:\/\/segmentfault.com\/a\/1190000042291235<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb\uff1a\u00a0\u91cd\u6784\u4ee3\u7801\u65f6\uff0c\u6211\u4eec\u5e38\u5e38\u7ea0\u7ed3\u4e8e\u8fd9\u6837\u7684\u95ee\u9898\uff1a\u9700\u8981\u8fdb\u4e00\u6b65\u62bd\u8c61\u5417\uff1f\u4f1a\u4e0d\u4f1a\u5bfc\u81f4\u8fc7\u5ea6\u8bbe\u8ba1\uff1f\u5982\u679c\u9700\u8981\u8fdb\u4e00\u6b65\u62bd\u8c61\u7684\u8bdd\uff0c\u5982 [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006151","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006151"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006151\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}