{"id":10006717,"date":"2022-10-24T11:34:54","date_gmt":"2022-10-24T03:34:54","guid":{"rendered":"https:\/\/ityet.com\/?p=10006717"},"modified":"2022-10-24T11:34:54","modified_gmt":"2022-10-24T03:34:54","slug":"%e6%b1%82%e6%b1%82%e4%bd%a0%e4%bb%ac%e4%ba%86%ef%bc%8c%e5%88%ab%e5%86%8d%e9%87%8d%e5%a4%8d%e9%80%a0%e8%bd%ae%e5%ad%90%e4%ba%86%ef%bc%8c%e4%b8%80%e4%b8%aa-spring-%e6%b3%a8%e8%a7%a3%e8%bd%bb%e6%9d%be","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006717","title":{"rendered":"\u6c42\u6c42\u4f60\u4eec\u4e86\uff0c\u522b\u518d\u91cd\u590d\u9020\u8f6e\u5b50\u4e86\uff0c\u4e00\u4e2a Spring \u6ce8\u89e3\u8f7b\u677e\u641e\u5b9a\u5faa\u73af\u91cd\u8bd5\u529f\u80fd\uff01"},"content":{"rendered":"<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc3dqt\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u91cd\u5904\u7406\u662f\u4e00\u4e2a\u975e\u5e38\u5e38\u89c1\u7684\u573a\u666f\uff0c\u6bd4\u5982:<\/p>\n<ul>\n<li>\u53d1\u9001\u6d88\u606f\u5931\u8d25\u3002<\/li>\n<li>\u8c03\u7528\u8fdc\u7a0b\u670d\u52a1\u5931\u8d25\u3002<\/li>\n<li>\u4e89\u62a2\u9501\u5931\u8d25\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u9519\u8bef\u53ef\u80fd\u662f\u56e0\u4e3a\u7f51\u7edc\u6ce2\u52a8\u9020\u6210\u7684\uff0c\u7b49\u5f85\u8fc7\u540e\u91cd\u5904\u7406\u5c31\u80fd\u6210\u529f\u3002\u901a\u5e38\u6765\u8bf4\uff0c\u4f1a\u7528<code>try\/catch<\/code>\uff0c<code>while<\/code>\u5faa\u73af\u4e4b\u7c7b\u7684\u8bed\u6cd5\u6765\u8fdb\u884c\u91cd\u5904\u7406\uff0c\u4f46\u662f\u8fd9\u6837\u7684\u505a\u6cd5\u7f3a\u4e4f\u7edf\u4e00\u6027\uff0c\u5e76\u4e14\u4e0d\u662f\u5f88\u65b9\u4fbf\uff0c\u8981\u591a\u5199\u5f88\u591a\u4ee3\u7801\u3002\u7136\u800c<code>spring-retry<\/code>\u5374\u53ef\u4ee5\u901a\u8fc7\u6ce8\u89e3\uff0c\u5728\u4e0d\u5165\u4fb5\u539f\u6709\u4e1a\u52a1\u903b\u8f91\u4ee3\u7801\u7684\u65b9\u5f0f\u4e0b\uff0c\u4f18\u96c5\u7684\u5b9e\u73b0\u91cd\u5904\u7406\u529f\u80fd\u3002<\/p>\n<h2><strong>\u4e00\u3001@Retryable\u662f\u4ec0\u4e48\uff1f<\/strong><\/h2>\n<p>spring\u7cfb\u5217\u7684<code>spring-retry<\/code>\u662f\u53e6\u4e00\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u6a21\u5757\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4ee5\u6807\u51c6\u65b9\u5f0f\u5904\u7406\u4efb\u4f55\u7279\u5b9a\u64cd\u4f5c\u7684\u91cd\u8bd5\u3002\u5728<code>spring-retry<\/code>\u4e2d\uff0c\u6240\u6709\u914d\u7f6e\u90fd\u662f\u57fa\u4e8e\u7b80\u5355\u6ce8\u91ca\u7684\u3002<\/p>\n<h2><strong>\u4e8c\u3001\u4f7f\u7528\u6b65\u9aa4<\/strong><\/h2>\n<h3>1.POM\u4f9d\u8d56<\/h3>\n<pre><code> &lt;dependency&gt;\n  &lt;groupId&gt;org.springframework.retry&lt;\/groupId&gt;\n  &lt;artifactId&gt;spring-retry&lt;\/artifactId&gt;\n &lt;\/dependency&gt;<\/code><\/pre>\n<p>\u63a8\u8350\u4e00\u4e2a\u5f00\u6e90\u514d\u8d39\u7684 Spring Boot \u6700\u5168\u6559\u7a0b\uff1a<\/p>\n<blockquote><p><a href=\"https:\/\/link.segmentfault.com\/?enc=0v6UCypvc8kXdHtugU31qA%3D%3D.pqUtJOWSCQ%2BKY7MW9TG3J1scUu8twTaEcCIV60sJr0wFdJnhVvQjFSrHl0sqUY282khDP5AwwQ%2Bx3fT1D2Xz4w%3D%3D\" rel=\"nofollow\">https:\/\/github.com\/javastacks\/spring-boot-best-practice<\/a><\/p><\/blockquote>\n<h3>2.\u542f\u7528<code>@Retryable<\/code><\/h3>\n<pre><code>@EnableRetry\n@SpringBootApplication\npublic class HelloApplication {\n\n    public static void main(String[] args) {\n        SpringApplication.run(HelloApplication.class, args);\n    }\n\n}<\/code><\/pre>\n<h3>3.\u5728\u65b9\u6cd5\u4e0a\u6dfb\u52a0<code>@Retryable<\/code><\/h3>\n<pre><code>@Service\npublic class TestRetryServiceImpl implements TestRetryService {\n \n    @Override\n    @Retryable(value = Exception.class,maxAttempts = 3,backoff = @Backoff(delay = 2000,multiplier = 1.5))\n    public int test(int code) throws Exception{\n        System.out.println(&quot;test\u88ab\u8c03\u7528,\u65f6\u95f4\uff1a&quot;+LocalTime.now());\n          if (code==0){\n              throw new Exception(&quot;\u60c5\u51b5\u4e0d\u5bf9\u5934\uff01&quot;);\n          }\n        System.out.println(&quot;test\u88ab\u8c03\u7528,\u60c5\u51b5\u5bf9\u5934\u4e86\uff01&quot;);\n \n        return 200;\n    }\n}<\/code><\/pre>\n<p>\u6765\u7b80\u5355\u89e3\u91ca\u4e00\u4e0b\u6ce8\u89e3\u4e2d\u51e0\u4e2a\u53c2\u6570\u7684\u542b\u4e49\uff1a<\/p>\n<ul>\n<li><code>value<\/code>\uff1a\u629b\u51fa\u6307\u5b9a\u5f02\u5e38\u624d\u4f1a\u91cd\u8bd5<\/li>\n<li><code>include<\/code>\uff1a\u548cvalue\u4e00\u6837\uff0c\u9ed8\u8ba4\u4e3a\u7a7a\uff0c\u5f53exclude\u4e5f\u4e3a\u7a7a\u65f6\uff0c\u9ed8\u8ba4\u6240\u6709\u5f02\u5e38<\/li>\n<li><code>exclude<\/code>\uff1a\u6307\u5b9a\u4e0d\u5904\u7406\u7684\u5f02\u5e38<\/li>\n<li><code>maxAttempts<\/code>\uff1a\u6700\u5927\u91cd\u8bd5\u6b21\u6570\uff0c\u9ed8\u8ba43\u6b21<\/li>\n<li><code>backoff<\/code>\uff1a\u91cd\u8bd5\u7b49\u5f85\u7b56\u7565\uff0c\u9ed8\u8ba4\u4f7f\u7528<code>@Backoff<\/code>\uff0c<code>@Backoff<\/code>\u7684value\u9ed8\u8ba4\u4e3a1000L\uff0c\u6211\u4eec\u8bbe\u7f6e\u4e3a2000L\uff1b<code>multiplier<\/code>\uff08\u6307\u5b9a\u5ef6\u8fdf\u500d\u6570\uff09\u9ed8\u8ba4\u4e3a0\uff0c\u8868\u793a\u56fa\u5b9a\u6682\u505c1\u79d2\u540e\u8fdb\u884c\u91cd\u8bd5\uff0c\u5982\u679c\u628a<code>multiplier<\/code>\u8bbe\u7f6e\u4e3a1.5\uff0c\u5219\u7b2c\u4e00\u6b21\u91cd\u8bd5\u4e3a2\u79d2\uff0c\u7b2c\u4e8c\u6b21\u4e3a3\u79d2\uff0c\u7b2c\u4e09\u6b21\u4e3a4.5\u79d2\u3002<\/li>\n<\/ul>\n<p><strong>\u5f53\u91cd\u8bd5\u8017\u5c3d\u65f6\u8fd8\u662f\u5931\u8d25\uff0c\u4f1a\u51fa\u73b0\u4ec0\u4e48\u60c5\u51b5\u5462\uff1f<\/strong><\/p>\n<p>\u5f53\u91cd\u8bd5\u8017\u5c3d\u65f6\uff0c<code>RetryOperations<\/code>\u53ef\u4ee5\u5c06\u63a7\u5236\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u56de\u8c03\uff0c\u5373<code>RecoveryCallback<\/code>\u3002<code>Spring-Retry<\/code>\u8fd8\u63d0\u4f9b\u4e86<code>@Recover<\/code>\u6ce8\u89e3\uff0c\u7528\u4e8e@Retryable\u91cd\u8bd5\u5931\u8d25\u540e\u5904\u7406\u65b9\u6cd5\u3002\u5982\u679c\u4e0d\u9700\u8981\u56de\u8c03\u65b9\u6cd5\uff0c\u53ef\u4ee5\u76f4\u63a5\u4e0d\u5199\u56de\u8c03\u65b9\u6cd5\uff0c\u90a3\u4e48\u5b9e\u73b0\u7684\u6548\u679c\u662f\uff0c\u91cd\u8bd5\u6b21\u6570\u5b8c\u4e86\u540e\uff0c\u5982\u679c\u8fd8\u662f\u6ca1\u6210\u529f\u6ca1\u7b26\u5408\u4e1a\u52a1\u5224\u65ad\uff0c\u5c31\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n<h3><a href=\"https:\/\/segmentfault.com\/cdn-cgi\/l\/email-protection\" class=\"__cf_email__\" data-cfemail=\"88bca6c8daedebe7feedfa\">[email&#160;protected]<\/a><\/h3>\n<pre><code>@Recover\npublic int recover(Exception e, int code){\n   System.out.println(&quot;\u56de\u8c03\u65b9\u6cd5\u6267\u884c\uff01\uff01\uff01\uff01&quot;);\n   \/\/\u8bb0\u65e5\u5fd7\u5230\u6570\u636e\u5e93 \u6216\u8005\u8c03\u7528\u5176\u4f59\u7684\u65b9\u6cd5\n    return 400;\n}<\/code><\/pre>\n<p>\u53ef\u4ee5\u770b\u5230\u4f20\u53c2\u91cc\u9762\u5199\u7684\u662f <code>Exception e<\/code>\uff0c\u8fd9\u4e2a\u662f\u4f5c\u4e3a\u56de\u8c03\u7684\u63a5\u5934\u6697\u53f7\uff08\u91cd\u8bd5\u6b21\u6570\u7528\u5b8c\u4e86\uff0c\u8fd8\u662f\u5931\u8d25\uff0c\u6211\u4eec\u629b\u51fa\u8fd9\u4e2a<code>Exception e<\/code>\u901a\u77e5\u89e6\u53d1\u8fd9\u4e2a\u56de\u8c03\u65b9\u6cd5\uff09\u3002\u5bf9\u4e8e<code>@Recover<\/code>\u6ce8\u89e3\u7684\u65b9\u6cd5\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u7684\u662f\uff1a<\/p>\n<ul>\n<li>\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u5fc5\u987b\u4e0e<code>@Retryable<\/code>\u65b9\u6cd5\u4e00\u81f4<\/li>\n<li>\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u5fc5\u987b\u662fThrowable\u7c7b\u578b\u7684\uff0c\u5efa\u8bae\u662f\u4e0e<code>@Retryable<\/code>\u914d\u7f6e\u7684\u5f02\u5e38\u4e00\u81f4\uff0c\u5176\u4ed6\u7684\u53c2\u6570\uff0c\u9700\u8981\u54ea\u4e2a\u53c2\u6570\uff0c\u5199\u8fdb\u53bb\u5c31\u53ef\u4ee5\u4e86\uff08<code>@Recover<\/code>\u65b9\u6cd5\u4e2d\u6709\u7684\uff09<\/li>\n<li>\u8be5\u56de\u8c03\u65b9\u6cd5\u4e0e\u91cd\u8bd5\u65b9\u6cd5\u5199\u5728\u540c\u4e00\u4e2a\u5b9e\u73b0\u7c7b\u91cc\u9762<\/li>\n<\/ul>\n<h3>5. \u6ce8\u610f\u4e8b\u9879<\/h3>\n<ul>\n<li>\u7531\u4e8e\u662f\u57fa\u4e8eAOP\u5b9e\u73b0\uff0c\u6240\u4ee5\u4e0d\u652f\u6301\u7c7b\u91cc\u81ea\u8c03\u7528\u65b9\u6cd5<\/li>\n<li>\u5982\u679c\u91cd\u8bd5\u5931\u8d25\u9700\u8981\u7ed9<code>@Recover<\/code>\u6ce8\u89e3\u7684\u65b9\u6cd5\u505a\u540e\u7eed\u5904\u7406\uff0c\u90a3\u8fd9\u4e2a\u91cd\u8bd5\u7684\u65b9\u6cd5\u4e0d\u80fd\u6709\u8fd4\u56de\u503c\uff0c\u53ea\u80fd\u662fvoid<\/li>\n<li>\u65b9\u6cd5\u5185\u4e0d\u80fd\u4f7f\u7528<code>try catch<\/code>\uff0c\u53ea\u80fd\u5f80\u5916\u629b\u5f02\u5e38<\/li>\n<li><code>@Recover<\/code>\u6ce8\u89e3\u6765\u5f00\u542f\u91cd\u8bd5\u5931\u8d25\u540e\u8c03\u7528\u7684\u65b9\u6cd5(\u6ce8\u610f,\u9700\u8ddf\u91cd\u5904\u7406\u65b9\u6cd5\u5728\u540c\u4e00\u4e2a\u7c7b\u4e2d)\uff0c\u6b64\u6ce8\u89e3\u6ce8\u91ca\u7684\u65b9\u6cd5\u53c2\u6570\u4e00\u5b9a\u8981\u662f<code>@Retryable<\/code>\u629b\u51fa\u7684\u5f02\u5e38\uff0c\u5426\u5219\u65e0\u6cd5\u8bc6\u522b\uff0c\u53ef\u4ee5\u5728\u8be5\u65b9\u6cd5\u4e2d\u8fdb\u884c\u65e5\u5fd7\u5904\u7406\u3002<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u4e3b\u8981\u7b80\u5355\u4ecb\u7ecd\u4e86Springboot\u4e2d\u7684<code>Retryable<\/code>\u7684\u4f7f\u7528\uff0c\u4e3b\u8981\u7684\u9002\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879\uff0c\u5f53\u9700\u8981\u91cd\u8bd5\u7684\u65f6\u5019\u8fd8\u662f\u5f88\u6709\u7528\u7684\u3002<\/p>\n<p>\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3aCSDN\u535a\u4e3b\u300cMemory\u5c0f\u5cf0\u300d\u7684\u539f\u521b\u6587\u7ae0\uff0c\u9075\u5faaCC 4.0 BY-SA\u7248\u6743\u534f\u8bae\uff0c\u8f6c\u8f7d\u8bf7\u9644\u4e0a\u539f\u6587\u51fa\u5904\u94fe\u63a5\u53ca\u672c\u58f0\u660e\u3002\u539f\u6587\u94fe\u63a5\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=4PhCjKAtk616bbaYcMc%2F%2Bg%3D%3D.xO5U7S6kt7OwwnCDrNvsZAJvajvyYj7NJR2NntzMXKlo50Y%2FJ8PkyQQZye4GMWj4G%2FBulGF6OBVi7%2F11oDPMgw%3D%3D\" rel=\"nofollow\">https:\/\/blog.csdn.net\/h254931&#8230;<\/a><\/p>\n<p><strong>\u8fd1\u671f\u70ed\u6587\u63a8\u8350\uff1a<\/strong><\/p>\n<p>1.<a href=\"https:\/\/link.segmentfault.com\/?enc=6BLh2qZzuZfD0Y6uK0ejSA%3D%3D.RMq31AN3sIfL%2BbsBnHu1vRzHTQWXVYz5UDbx6qWjkb4%3D\" rel=\"nofollow\">1,000+ \u9053 Java\u9762\u8bd5\u9898\u53ca\u7b54\u6848\u6574\u7406(2022\u6700\u65b0\u7248)<\/a><\/p>\n<p>2.<a href=\"https:\/\/link.segmentfault.com\/?enc=CgMJProqHhktQN3yM5x8wg%3D%3D.EOOGrxML7AtUMdB5MKi3wtrLXPeIlU5X3jhTx2lofquxBXtnCll4wijI%2BC%2FzbZKy6%2FGhzVJJtPhS%2BB2IGAdMhQ%3D%3D\" rel=\"nofollow\">\u52b2\u7206\uff01Java \u534f\u7a0b\u8981\u6765\u4e86\u3002\u3002\u3002<\/a><\/p>\n<p>3.<a href=\"https:\/\/link.segmentfault.com\/?enc=paOZV2ZDT%2Fl7y3aIpkJ4Sg%3D%3D.zYliqhIDDl9SmMpioL%2Fe33653wriRQLNW46QFI8EN%2FMGst8JI1iGg%2BelKdfYwCOs\" rel=\"nofollow\">Spring Boot 2.x \u6559\u7a0b\uff0c\u592a\u5168\u4e86\uff01<\/a><\/p>\n<p>4.<a href=\"https:\/\/link.segmentfault.com\/?enc=pPM7D5C2hfujQWkESJ%2BTlQ%3D%3D.Pm3mwFGv2xXCqJLS%2Fg6LhSaYk9%2FPAEcING42mIqKJQ47cgn8gynCqKqHvF2mUemNT42VrlAfMHN4CtEJ2LO7Gg%3D%3D\" rel=\"nofollow\">\u522b\u518d\u5199\u6ee1\u5c4f\u7684\u7206\u7206\u7206\u70b8\u7c7b\u4e86\uff0c\u8bd5\u8bd5\u88c5\u9970\u5668\u6a21\u5f0f\uff0c\u8fd9\u624d\u662f\u4f18\u96c5\u7684\u65b9\u5f0f\uff01\uff01<\/a><\/p>\n<p>5.<a href=\"https:\/\/link.segmentfault.com\/?enc=tF6bZORw29d33APlkkkQYg%3D%3D.xCbsOB%2B8i7OnN9eNtn1FAwLzLdwZrzz1Qp8a%2F4qyLbCRgk3mf5P0b1KH5bnE1577WIJHwHukuEYEU6Kwmcy2bHzwtg7UhBoE17%2B6YE17UQ4%3D\" rel=\"nofollow\">\u300aJava\u5f00\u53d1\u624b\u518c\uff08\u5d69\u5c71\u7248\uff09\u300b\u6700\u65b0\u53d1\u5e03\uff0c\u901f\u901f\u4e0b\u8f7d\uff01<\/a><\/p>\n<p>\u89c9\u5f97\u4e0d\u9519\uff0c\u522b\u5fd8\u4e86\u968f\u624b\u70b9\u8d5e+\u8f6c\u53d1\u54e6\uff01<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042673256\">https:\/\/segmentfault.com\/a\/1190000042673256<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u91cd\u5904\u7406\u662f\u4e00\u4e2a\u975e\u5e38\u5e38\u89c1\u7684\u573a\u666f\uff0c\u6bd4\u5982: \u53d1\u9001\u6d88\u606f\u5931\u8d25\u3002 \u8c03\u7528\u8fdc\u7a0b\u670d\u52a1\u5931\u8d25\u3002 \u4e89\u62a2\u9501\u5931\u8d25\u3002 \u8fd9\u4e9b\u9519\u8bef\u53ef [&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-10006717","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\/10006717","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=10006717"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006717\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}