{"id":202978,"date":"2025-05-22T11:34:20","date_gmt":"2025-05-22T03:34:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202978\/"},"modified":"2025-05-22T11:34:20","modified_gmt":"2025-05-22T03:34:20","slug":"%e5%88%a9%e7%94%a8%e5%8f%af%e8%a7%82%e5%af%9f%e7%b1%bb%e5%9e%8b%e5%92%8crxjava%e6%8f%90%e9%ab%98java%e5%87%bd%e6%95%b0%e7%9a%84%e5%8f%af%e5%a4%8d%e7%94%a8%e6%80%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202978\/","title":{"rendered":"\u5229\u7528\u53ef\u89c2\u5bdf\u7c7b\u578b\u548cRxJava\u63d0\u9ad8Java\u51fd\u6570\u7684\u53ef\u590d\u7528\u6027"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5229\u7528\u53ef\u89c2\u5bdf\u7c7b\u578b\u548cRxJava\u63d0\u9ad8Java\u51fd\u6570\u7684\u53ef\u590d\u7528\u6027<\/h1>\n<p>\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u5229\u7528\u53ef\u89c2\u5bdf\u7c7b\u578b\u548cRxJava\u63d0\u9ad8Java\u51fd\u6570\u7684\u53ef\u590d\u7528\u6027\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n<p>\u7b54\u6848\uff1a \u662f\uff0c\u5229\u7528\u53ef\u89c2\u5bdf\u7c7b\u578b\u548c RxJava \u53ef\u63d0\u5347 Java \u51fd\u6570\u7684\u53ef\u590d\u7528\u6027\u3002\u8be6\u7ec6\u63cf\u8ff0\uff1a\u53ef\u89c2\u5bdf\u7c7b\u578b\uff1a\u5141\u8bb8\u53d1\u5e03\u8005\u63a8\u9001\u4e8b\u4ef6\uff0c\u8ba2\u9605\u8005\u63a5\u6536\u4e8b\u4ef6\uff0c\u5b9e\u73b0\u5f02\u6b65\u6d88\u606f\u6d41\u3002RxJava\uff1a\u4e8b\u4ef6\u9a71\u52a8\u7684\u5f02\u6b65\u5e93\uff0c\u7528\u4e8e\u5904\u7406\u53ef\u89c2\u5bdf\u7c7b\u578b\uff0c\u63d0\u4f9b\u8fd0\u7b97\u7b26\u53d8\u6362\u3001\u805a\u5408\u7b49\u529f\u80fd\u3002\u63d0\u5347\u53ef\u590d\u7528\u6027\uff1a\u5c06\u51fd\u6570\u8f6c\u6362\u4e3a\u53ef\u89c2\u5bdf\u7c7b\u578b\uff0c\u4f7f\u7528 RxJava \u8fd0\u7b97\u7b26\u8fdb\u884c\u8f6c\u6362\u548c\u805a\u5408\uff0c\u8ba2\u9605\u53ef\u89c2\u5bdf\u7c7b\u578b\u63a5\u6536\u6570\u636e\u3002\u4f18\u52bf\uff1a\u975e\u963b\u585e\u3001\u53ef\u7ec4\u5408\u3001\u53ef\u6269\u5c55\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730010875671ddefb34bf1.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5229\u7528\u53ef\u89c2\u5bdf\u7c7b\u578b\u548c RxJava \u63d0\u5347 Java \u51fd\u6570\u7684\u53ef\u590d\u7528\u6027<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u53ef\u89c2\u5bdf\u7c7b\u578b\u548c RxJava \u5e93\u4f7f Java \u5f00\u53d1\u4eba\u5458\u80fd\u591f\u7f16\u5199\u66f4\u5177\u53ef\u91cd\u7528\u6027\u3001\u53ef\u6269\u5c55\u6027\u548c\u53cd\u5e94\u6027\u7684\u51fd\u6570\u3002\u672c\u6587\u5c06\u6f14\u793a\u5982\u4f55\u4f7f\u7528\u53ef\u89c2\u5bdf\u7c7b\u578b\u548c RxJava \u63d0\u9ad8 Java \u51fd\u6570\u7684\u53ef\u590d\u7528\u6027\u3002<\/p>\n<p><strong>\u53ef\u89c2\u5bdf\u7c7b\u578b<\/strong><\/p>\n<p>\u53ef\u89c2\u5bdf\u7c7b\u578b\u662f\u4e00\u79cd\u5f02\u6b65\u6d88\u606f\u6d41\uff0c\u5141\u8bb8\u53d1\u5e03\u8005\u63a8\u9001\u4e8b\u4ef6\uff0c\u800c\u8ba2\u9605\u8005\u53ef\u4ee5\u63a5\u6536\u8fd9\u4e9b\u4e8b\u4ef6\u3002\u8fd9\u4f7f\u5f97\u51fd\u6570\u53ef\u4ee5\u4ee5\u975e\u963b\u585e\u7684\u65b9\u5f0f\u751f\u6210\u6570\u636e\uff0c\u800c\u65e0\u9700\u5ba2\u6237\u7aef\u4ee3\u7801\u7b49\u5f85\u7ed3\u679c\u3002<\/p>\n<p><strong>RxJava \u5e93<\/strong><\/p>\n<p>RxJava \u662f\u4e00\u4e2a\u4e8b\u4ef6\u9a71\u52a8\u7684\u3001\u5f02\u6b65\u7f16\u7a0b\u5e93\uff0c\u7528\u4e8e\u5728 Java \u4e2d\u5904\u7406\u53ef\u89c2\u5bdf\u7c7b\u578b\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u8fd0\u7b97\u7b26\uff0c\u7528\u4e8e\u53d8\u6362\u3001\u805a\u5408\u548c\u7ec4\u5408\u53ef\u89c2\u5bdf\u7c7b\u578b\uff0c\u4ece\u800c\u5efa\u7acb\u590d\u6742\u7684\u51fd\u6570\u6d41\u6c34\u7ebf\u3002<\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528<\/strong><\/p>\n<p><strong>\u5c06\u51fd\u6570\u8f6c\u6362\u4e3a\u53ef\u89c2\u5bdf\u7c7b\u578b<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u5c06\u51fd\u6570\u8f6c\u6362\u4e3a\u53ef\u89c2\u5bdf\u7c7b\u578b\u3002\u53ef\u4ee5\u4f7f\u7528 <code>Observable.create<\/code> \u6216 <code>Observable.just<\/code> \u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>Observable&lt;String&gt; observable = Observable.just(\"Hello, world!\");<\/pre>\n<p><strong>\u4f7f\u7528 RxJava \u8fd0\u7b97\u7b26<\/strong><\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528 RxJava \u8fd0\u7b97\u7b26\u6765\u53d8\u6362\u548c\u805a\u5408\u53ef\u89c2\u5bdf\u7c7b\u578b\u3002\u8fd9\u4e9b\u8fd0\u7b97\u7b26\u53ef\u4ee5\u7ec4\u5408\u8d77\u6765\u521b\u5efa\u590d\u6742\u7684\u6570\u636e\u6d41\u6c34\u7ebf\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5c06\u4f20\u5165\u7684\u53ef\u89c2\u5bdf\u7c7b\u578b\u6620\u5c04\u4e3a\u5927\u5199\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre>observable.map(String::toUpperCase);<\/pre>\n<p><strong>\u8ba2\u9605\u53ef\u89c2\u5bdf\u7c7b\u578b<\/strong><\/p>\n<p>\u6700\u540e\uff0c\u8ba2\u9605\u53ef\u89c2\u5bdf\u7c7b\u578b\u4ee5\u63a5\u6536\u6570\u636e\u3002\u8ba2\u9605\u662f\u4e00\u4e2a\u975e\u963b\u585e\u64cd\u4f5c\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u56de\u8c03\u6216 <code>flatMap<\/code> \u65b9\u6cd5\u8fdb\u884c\u5904\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>observable.subscribe(System.out::println); \/\/ \u6253\u5370\u4e8b\u4ef6<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5229\u7528\u53ef\u89c2\u5bdf\u7c7b\u578b\u548c RxJava \u63d0\u9ad8\u53ef\u590d\u7528\u6027\u7684\u5b9e\u6218\u6848\u4f8b\uff1a<\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u51fd\u6570 <code> processData(String) <\/code>\uff0c\u5b83\u5904\u7406\u8f93\u5165\u5b57\u7b26\u4e32\u5e76\u8fd4\u56de\u4e00\u4e2a\u7ed3\u679c\u3002\u6211\u4eec\u9700\u8981\u7f16\u5199\u4e00\u4e2a\u51fd\u6570 <code>processAllData<\/code>\uff0c\u8be5\u51fd\u6570\u5904\u7406\u4e00\u7ec4\u5b57\u7b26\u4e32\u5e76\u8fd4\u56de\u7ed3\u679c\u5217\u8868\u3002<\/p>\n<p><strong>\u4f20\u7edf\u5b9e\u73b0\uff1a<\/strong><\/p>\n<pre>List&lt;String&gt; results = new ArrayList&lt;&gt;();\nfor (String s : data) {\n    results.add(processData(s));\n}<\/pre>\n<p><strong>\u53ef\u89c2\u5bdf\u5b9e\u73b0\uff1a<\/strong><\/p>\n<pre>Observable.fromIterable(data) \/\/ \u521b\u5efa\u53ef\u89c2\u5bdf\u7c7b\u578b\n    .map(this::processData) \/\/ \u6620\u5c04\u5230\u7ed3\u679c\n    .toList() \/\/ \u5c06\u53ef\u89c2\u5bdf\u7c7b\u578b\u8f6c\u6362\u4e3a\u5217\u8868\n    .subscribe(results -&gt; { \/\/ \u8ba2\u9605\u7ed3\u679c });<\/pre>\n<p><strong>\u4f18\u52bf<\/strong><\/p>\n<p>\u53ef\u89c2\u5bdf\u5b9e\u73b0\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li>\u975e\u963b\u585e\uff1a\u5b83\u4e0d\u4f1a\u963b\u585e\u7ebf\u7a0b\uff0c\u56e0\u6b64\u53ef\u4ee5\u5e76\u884c\u5904\u7406\u6570\u636e\u3002<\/li>\n<li>\u53ef\u7ec4\u5408\uff1a\u53ef\u4f7f\u7528 RxJava \u8fd0\u7b97\u7b26\u8f7b\u677e\u7ec4\u5408\u591a\u4e2a\u51fd\u6570\u3002<\/li>\n<li>\u53ef\u6269\u5c55\uff1a\u968f\u7740\u9700\u6c42\u7684\u53d8\u5316\uff0c\u53ef\u4ee5\u8f7b\u677e\u6dfb\u52a0\u6216\u4fee\u6539\u6570\u636e\u5904\u7406\u903b\u8f91\u3002<\/li>\n<\/ul>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u5229\u7528\u53ef\u89c2\u5bdf\u7c7b\u578b\u548c RxJava\uff0cJava \u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u7f16\u5199\u66f4\u5177\u53ef\u590d\u7528\u6027\u3001\u53ef\u6269\u5c55\u6027\u548c\u53cd\u5e94\u6027\u7684\u51fd\u6570\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5c06\u51fd\u6570\u8f6c\u6362\u4e3a\u53ef\u89c2\u5bdf\u7c7b\u578b\u3001\u4f7f\u7528 RxJava \u8fd0\u7b97\u7b26\u8fdb\u884c\u8f6c\u6362\u548c\u805a\u5408\uff0c\u4ee5\u53ca\u8ba2\u9605\u53ef\u89c2\u5bdf\u7c7b\u578b\u6765\u5b9e\u73b0\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5229\u7528\u53ef\u89c2\u5bdf\u7c7b\u578b\u548cRxJava\u63d0\u9ad8Java\u51fd\u6570\u7684\u53ef\u590d\u7528\u6027\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528\u53ef\u89c2\u5bdf\u7c7b\u578b\u548cRxJava\u63d0\u9ad8&#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-202978","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202978","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=202978"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202978\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}