{"id":8596,"date":"2022-11-18T16:43:49","date_gmt":"2022-11-18T08:43:49","guid":{"rendered":"http:\/\/123.57.164.21\/?p=8596"},"modified":"2022-11-18T16:43:49","modified_gmt":"2022-11-18T08:43:49","slug":"spring-boot-%e5%88%b0%e5%ba%95%e6%98%af%e5%8d%95%e7%ba%bf%e7%a8%8b%e8%bf%98%e6%98%af%e5%a4%9a%e7%ba%bf%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=8596","title":{"rendered":"Spring Boot \u5230\u5e95\u662f\u5355\u7ebf\u7a0b\u8fd8\u662f\u591a\u7ebf\u7a0b"},"content":{"rendered":"\n

\u524d\u8a00<\/strong><\/p>\n\n\n\n

\n\n\n\n

\u6211\u4eec\u77e5\u9053\u7528Spring Boot\u6765\u6784\u5efa\u9879\u76ee\u975e\u5e38\u7684\u65b9\u4fbf\uff0c\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6211\u4eec\u4f1a\u4f7f\u7528\u5b83\u6765\u5feb\u901f\u7684\u6784\u5efa\u9879\u76ee\uff0c\u81ea\u5e26tomcat\u5bb9\u5668\u3001\u542f\u52a8\u4e5f\u4f1a\u5c06\u9700\u8981\u914d\u7f6e\u7684bean\u5168\u90e8\u52a0\u8f7d\u5230\u6211\u4eec\u7684Spring\u5bb9\u5668\u91cc\u9762\u3002\u4f46\u662f\u5728\u8c03\u7528Controller\u65b9\u6cd5\u7684\u65f6\u5019\uff0c\u662f\u5355\u7ebf\u7a0b\u3001\u8fd8\u662f\u591a\u7ebf\u7a0b\u7684\u5462\uff0c\u4eca\u5929\u6211\u4eec\u6765\u4e00\u8d77\u7814\u7a76\u4e0b\u3002<\/p>\n\n\n\n

\u6267\u884cController<\/strong><\/p>\n\n\n\n

\n\n\n\n

\u9996\u5148\u6211\u4eec\u901a\u8fc7\u6267\u884c\u4e24\u4e2aController\u65b9\u6cd5\uff0c\u53d1\u73b0\u6253\u5370\u7684\u65e5\u5fd7\uff0c\u6267\u884c\u8fd9\u4e24\u4e2a\u65b9\u6cd5\u5206\u522b\u662f\u4e0d\u540c\u7684\u7ebf\u7a0b\uff0c\u4f46\u662f\u5bf9\u521b\u5efa\u7684\u53d8\u91cf\u8fdb\u884c\u4e86\u53e0\u52a0\uff0c\u56e0\u4e3aSpring\u7684\u9ed8\u8ba4\u662f\u4ee5\u5355\u4f8b\u6a21\u5f0f\u521b\u5efa\u7684\uff0c\u6240\u4ee5\u5c31\u4f1a\u5bfc\u81f4\u7ebf\u7a0b\u4e0d\u5b89\u5168\u3002<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

\u6211\u4eec\u5728\u00c7ontroller\u5934\u90e8\u52a0\u5165@Scope\uff0c\u4f7f\u5b83\u7684\u4f5c\u7528\u57df\u53d8\u6210\u539f\u578b\u6a21\u5f0f\uff0c\u8fd9\u65f6\u5019\u6211\u4eec\u518d\u6b21\u6267\u884c\u65b9\u6cd5\u3002<\/p>\n\n\n\n

@RequestMapping(\u201ctest\u201d)\n@Scope(\u201cprototype\u201d)\n@RestController\npublic class TestController {\n\u590d\u5236\u4ee3\u7801<\/pre>\n\n\n\n
\u53ef\u4ee5\u770b\u5230\u4f9d\u65e7\u662f\u4e24\u4e2a\u7ebf\u7a0b\u6267\u884c\uff0c\u4f46\u662f\u6211\u4eec\u53d8\u91cf\u7684\u64cd\u4f5c\u6ca1\u6709\u8fdb\u884c\u7c7b\u52a0\uff0c\u800c\u662f\u5206\u522b\u8fdb\u884c\u4e86i++\u7684\u64cd\u4f5c\uff0c\u8bc1\u660e\u6bcf\u6b21\u7684reqeust\u8bf7\u6c42\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2abean\u3002 \u6ce8\u610f\u26a0\ufe0f\uff1a\u6211\u4eec\u5199\u4ee3\u7801\u7684\u65f6\u5019\u5343\u4e07\u4e0d\u80fd\u5728\u00c7ontroller\u91cc\u9762\u5b9a\u4e49\u5e38\u91cf\uff0c\u7136\u540e\u65b9\u6cd5\u91cc\u9762\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f1a\u6709\u5f88\u5927\u7684\u95ee\u9898\uff0c\u8fd9\u91cc\u53ea\u662f\u505a\u6f14\u793a\u3002<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
\u7531\u6b64\u53ef\u89c1Spring Boot\u4e2dController\u9ed8\u8ba4\u662f\u5355\u4f8b\u6a21\u5f0f\uff0c\u5e76\u4e14\u6267\u884c\u7684\u65f6\u5019\u662f\u591a\u7ebf\u7a0b\u7684\u65b9\u5f0f\u3002<\/p>\n\n\n\n
@Async<\/strong><\/p>\n\n\n\n
\n\n\n\n
\u65e2\u7136\u63d0\u5230\u4e86\u8fd9\u91cc\uff0c\u6211\u4eec\u5c31\u6765\u8bf4\u4e0bSpring Boot\u7684\u4e00\u4e2a\u591a\u7ebf\u7a0b\u9996\u5148\u539f\u7406\uff0c\u5148\u6765\u770b\u4e0b\u6211\u4eec\u7684\u5f02\u6b65\u6267\u884c\u6ce8\u89e3@Async\uff0c\u901a\u8fc7\u4f7f\u7528\u6ce8\u89e3\u7684\u65b9\u5f0f\uff0c\u5728\u6211\u4eec\u9700\u8981\u5f02\u6b65\u6267\u884c\u65b9\u6cd5\u7684\u573a\u666f\u4e0b\uff0c\u5b9e\u73b0\u4e00\u4e2a\u5f02\u6b65\u6267\u884c\u3002 \u5f53\u7136\u4e5f\u79bb\u4e0d\u5f00@EnableAsync\u8fd9\u4e2a\u6ce8\u89e3\uff0c\u5b83\u662f\u4e00\u4e2a\u5f02\u6b65\u6ce8\u89e3\u7684\u5f00\u5173\u3002\u53ef\u4ee5\u770b\u5230\u4f7f\u7528\u7684\u662f\u4ee3\u7406\u7684\u6a21\u5f0f\u3002
<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
\u901a\u8fc7\u770b\u6e90\u7801\u8ffd\u8e2a\u5230AsyncTaskExecutor \u8fd9\u4e2a\u63a5\u53e3\uff0c\u770b\u540d\u5b57\u5c31\u77e5\u9053\u662f\u5f02\u6b65\u4efb\u52a1\u7684\u4e00\u4e2a\u7ebf\u7a0b\u6c60\u521b\u5efa\u7684\u63a5\u53e3\uff0c\u7ee7\u627f\u7684TaskExecutor\u7236\u63a5\u53e3\u3002<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
\u53ef\u4ee5\u770b\u5230ThreadPoolTaskExecutor\u8fd9\u4e2a\u7ebf\u7a0b\u6c60\u7684\u914d\u7f6e\u7c7b\uff0c\u53ef\u4ee5\u770b\u5230\u5f02\u6b65\u64cd\u4f5c\u5176\u5b9e\u662f\u7531\u521b\u5efa\u7ebf\u7a0b\u6c60\u6765\u5b8c\u6210\u7684\uff0c\u901a\u8fc7\u5411\u7ebf\u7a0b\u6c60\u63d0\u4ea4task\u4efb\u52a1\uff0c\u7528Future\u7c7b\u63a5\u6536\uff0c\u53ef\u4ee5\u83b7\u53d6\u5f02\u6b65\u4efb\u52a1\u7684\u6267\u884c\u7ed3\u679c\u3002<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
\u4f7f\u7528Async<\/strong><\/p>\n\n\n\n
\n\n\n\n
\u4e0b\u9762\u6765\u901a\u8fc7\u81ea\u5b9a\u7ebf\u7a0b\u6c60\uff0c\u7136\u540e\u5148\u7ebf\u7a0b\u6c60\u63d0\u4ea4\u6211\u4eec\u7684\u5f02\u6b65\u4efb\u52a1\u3002<\/p>\n\n\n\n
AsyncService\u5f02\u6b65\u65b9\u6cd5<\/p>\n\n\n\n
@Service\npublic class AsyncService {\n \n    private Logger logger = LoggerFactory.\/getLogger\/(TestController.class);\n \n    @Async(\u201ctaskExecutor\u201d)\n    public String getAsyncMessage(String message) {\n        try {\n            logger.info(\u201c\u6267\u884c\u5f02\u6b65\u65b9\u6cd5\uff0cmessage is \u201c + message);\n            Thread.\/sleep\/(1000);\n        } catch (InterruptedException e) {\n            e.printStackTrace();\n        }\n \n \n        return message;\n    }\n<\/pre>\n\n\n\n
AsyncConfig\u5f02\u6b65\u7ebf\u7a0b\u6c60\u914d\u7f6e<\/p>\n\n\n\n
public class AsyncConfig {\n \n    @Bean(\u201ctaskExecutor\u201d)\n    public Executor taskExecutor(){\n \n        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();\n        \/\/ \u6838\u5fc3\u7ebf\u7a0b\u6570\uff1a\u7ebf\u7a0b\u6c60\u521b\u5efa\u65f6\u5019\u521d\u59cb\u5316\u7684\u7ebf\u7a0b\u6570\n        executor.setCorePoolSize(10);\n        \/\/ \u6700\u5927\u7ebf\u7a0b\u6570\uff1a\u7ebf\u7a0b\u6c60\u6700\u5927\u7684\u7ebf\u7a0b\u6570\uff0c\u53ea\u6709\u5728\u7f13\u51b2\u961f\u5217\u6ee1\u4e86\u4e4b\u540e\u624d\u4f1a\u7533\u8bf7\u8d85\u8fc7\u6838\u5fc3\u7ebf\u7a0b\u6570\u7684\u7ebf\u7a0b\n        executor.setMaxPoolSize(20);\n        \/\/ \u7f13\u51b2\u961f\u5217\uff1a\u7528\u6765\u7f13\u51b2\u6267\u884c\u4efb\u52a1\u7684\u961f\u5217\n        executor.setQueueCapacity(500);\n        \/\/ \u5141\u8bb8\u7ebf\u7a0b\u7684\u7a7a\u95f2\u65f6\u95f460\u79d2\uff1a\u5f53\u8d85\u8fc7\u4e86\u6838\u5fc3\u7ebf\u7a0b\u4e4b\u5916\u7684\u7ebf\u7a0b\u5728\u7a7a\u95f2\u65f6\u95f4\u5230\u8fbe\u4e4b\u540e\u4f1a\u88ab\u9500\u6bc1\n        executor.setKeepAliveSeconds(60);\n        \/\/ \u7ebf\u7a0b\u6c60\u540d\u7684\u524d\u7f00\uff1a\u8bbe\u7f6e\u597d\u4e86\u4e4b\u540e\u53ef\u4ee5\u65b9\u4fbf\u6211\u4eec\u5b9a\u4f4d\u5904\u7406\u4efb\u52a1\u6240\u5728\u7684\u7ebf\u7a0b\u6c60\n        executor.setThreadNamePrefix(\u201cAsync-task-\u201c);\n        \/\/ \u7f13\u51b2\u961f\u5217\u6ee1\u4e86\u4e4b\u540e\u7684\u62d2\u7edd\u7b56\u7565\uff1a\u7531\u8c03\u7528\u7ebf\u7a0b\u5904\u7406\uff08\u4e00\u822c\u662f\u4e3b\u7ebf\u7a0b\uff09\n        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());\n        executor.initialize();\n        return executor;\n \n    }\n<\/pre>\n\n\n\n
\u6267\u884c\u7ed3\u679c\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u89c1\u5f02\u6b65\u65b9\u6cd5\u901a\u8fc7\u6211\u4eec\u5b9a\u4e49\u7684\u7ebf\u7a0b\u6c60\u63d0\u4ea4\uff0c\u6ca1\u6709\u6309\u7167for\u5faa\u73af\u7684\u987a\u5e8f\u63d0\u4ea4\uff0c\u800c\u662f\u5b9e\u73b0\u4e86\u5f02\u6b65\u7684\u63d0\u4ea4\u3002<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
\u603b\u7ed3<\/strong><\/p>\n\n\n\n
\n\n\n\n
Spring Boot\u6846\u67b6\u662f\u4e00\u4e2a\u53ef\u4ee5\u5b9e\u73b0\u591a\u7ebf\u7a0b\u7684\u6846\u67b6\uff0c\u4e0d\u662f\u4e00\u4e2a\u7ebf\u7a0b\u5b89\u5168\u7684\u6846\u67b6\uff0c\u6211\u4eec\u8981\u4f7f\u5b83\u53d8\u6210\u7ebf\u7a0b\u5b89\u5168\uff0c\u8fd8\u9700\u8981\u96c6\u6210\u5176\u4ed6\u7ec4\u4ef6\uff0c\u5305\u62ec\u7528\u5230\u4e00\u4e9b\u7ebf\u7a0b\u5b89\u5168\u7684\u7c7b\uff0c\u4f46\u662f\u53ef\u4ee5\u8bf4\u660eSpring Boot\u5728\u6267\u884cController\u65b9\u6cd5\u7684\u65f6\u5019\u786e\u5b9e\u662f\u4ee5\u591a\u7ebf\u7a0b\u7684\u65b9\u5f0f\u6267\u884c\u7684\uff0c\u5305\u62ec\u5f02\u6b65\u7684\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u524d\u8a00 \u6211\u4eec\u77e5\u9053\u7528Spring Boot\u6765\u6784\u5efa\u9879\u76ee\u975e\u5e38\u7684\u65b9\u4fbf\uff0c\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6211\u4eec\u4f1a\u4f7f\u7528\u5b83\u6765\u5feb\u901f\u7684\u6784\u5efa\u9879\u76ee\uff0c\u81ea\u5e26tom […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,27],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/8596"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8596"}],"version-history":[{"count":1,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/8596\/revisions"}],"predecessor-version":[{"id":8604,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/8596\/revisions\/8604"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}