{"id":135115,"date":"2024-10-31T07:58:35","date_gmt":"2024-10-30T23:58:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/135115\/"},"modified":"2024-10-31T07:58:36","modified_gmt":"2024-10-30T23:58:36","slug":"spring%e8%aa%8d%e8%ad%89%e6%8c%87%e5%8d%97%ef%bc%9a%e4%ba%86%e8%a7%a3%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e5%9f%ba%e6%9c%ac%e7%9a%84%e6%89%b9%e8%99%95%e7%90%86%e9%a9%85%e5%8b%95%e8%a7%a3%e6%b1%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/135115\/","title":{"rendered":"Spring\u8a8d\u8b49\u6307\u5357\uff1a\u4e86\u89e3\u5982\u4f55\u5275\u5efa\u57fa\u672c\u7684\u6279\u8655\u7406\u9a45\u52d5\u89e3\u6c7a\u65b9\u6848"},"content":{"rendered":"<h1 id=\"spring%e8%aa%8d%e8%ad%89%e6%8c%87%e5%8d%97%ef%bc%9a%e4%ba%86%e8%a7%a3%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e5%9f%ba%e6%9c%ac%e7%9a%84%e6%89%b9%e8%99%95%e7%90%86%e9%a9%85%e5%8b%95%e8%a7%a3%e6%b1%ba-aIMvNQoKPs\">Spring\u8a8d\u8b49\u6307\u5357\uff1a\u4e86\u89e3\u5982\u4f55\u5275\u5efa\u57fa\u672c\u7684\u6279\u8655\u7406\u9a45\u52d5\u89e3\u6c7a\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u9ad4\u958b\u767c\u74b0\u5883\u4e2d\uff0c\u6279\u8655\u7406\u9a45\u52d5\u89e3\u6c7a\u65b9\u6848\u8d8a\u4f86\u8d8a\u53d7\u5230\u91cd\u8996\u3002\u9019\u4e9b\u89e3\u6c7a\u65b9\u6848\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u5927\u91cf\u6578\u64da\uff0c\u4e26\u4e14\u5728\u8a31\u591a\u696d\u52d9\u5834\u666f\u4e2d\u767c\u63ee\u8457\u91cd\u8981\u4f5c\u7528\u3002Spring\u6846\u67b6\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684Java\u958b\u767c\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u529f\u80fd\u4f86\u652f\u6301\u6279\u8655\u7406\u7684\u5be6\u73fe\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Spring\u6846\u67b6\u5275\u5efa\u57fa\u672c\u7684\u6279\u8655\u7406\u9a45\u52d5\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%89%b9%e8%99%95%e7%90%86%e9%a9%85%e5%8b%95%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%9f-aIMvNQoKPs\">\u4ec0\u9ebc\u662f\u6279\u8655\u7406\u9a45\u52d5\u89e3\u6c7a\u65b9\u6848\uff1f<\/h2>\n<p>\u6279\u8655\u7406\u9a45\u52d5\u89e3\u6c7a\u65b9\u6848\u662f\u6307\u5728\u4e0d\u9700\u8981\u5373\u6642\u53cd\u61c9\u7684\u60c5\u6cc1\u4e0b\uff0c\u5c0d\u5927\u91cf\u6578\u64da\u9032\u884c\u8655\u7406\u7684\u7cfb\u7d71\u3002\u9019\u7a2e\u8655\u7406\u65b9\u5f0f\u901a\u5e38\u6d89\u53ca\u5230\u6578\u64da\u7684\u8b80\u53d6\u3001\u8655\u7406\u548c\u5beb\u5165\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u5f8c\u53f0\u904b\u884c\uff0c\u5f9e\u800c\u4e0d\u5f71\u97ff\u7528\u6236\u7684\u5373\u6642\u64cd\u4f5c\u3002\u6279\u8655\u7406\u7684\u61c9\u7528\u7bc4\u570d\u975e\u5e38\u5ee3\u6cdb\uff0c\u5305\u62ec\u6578\u64da\u9077\u79fb\u3001\u5831\u544a\u751f\u6210\u548c\u6578\u64da\u6e05\u7406\u7b49\u3002<\/p>\n<h2 id=\"spring-batch%e6%a6%82%e8%bf%b0-aIMvNQoKPs\">Spring Batch\u6982\u8ff0<\/h2>\n<p>Spring Batch\u662f\u4e00\u500b\u5c08\u9580\u7528\u65bc\u6279\u8655\u7406\u7684\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u7c21\u5316\u6279\u8655\u7406\u7684\u958b\u767c\u904e\u7a0b\u3002\u5b83\u652f\u6301\u5206\u6bb5\u8655\u7406\u3001\u91cd\u8a66\u6a5f\u5236\u3001\u4e8b\u52d9\u7ba1\u7406\u548c\u4f5c\u696d\u76e3\u63a7\u7b49\u529f\u80fd\u3002\u4f7f\u7528Spring Batch\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5c08\u6ce8\u65bc\u696d\u52d9\u908f\u8f2f\uff0c\u800c\u4e0d\u5fc5\u64d4\u5fc3\u5e95\u5c64\u7684\u6280\u8853\u7d30\u7bc0\u3002<\/p>\n<h3 id=\"spring-batch%e7%9a%84%e6%a0%b8%e5%bf%83%e7%b5%84%e4%bb%b6-aIMvNQoKPs\">Spring Batch\u7684\u6838\u5fc3\u7d44\u4ef6<\/h3>\n<ul>\n<li><strong>Job\uff1a<\/strong>\u4ee3\u8868\u4e00\u500b\u6279\u8655\u7406\u4f5c\u696d\uff0c\u5305\u542b\u4e00\u7cfb\u5217\u7684\u6b65\u9a5f\u3002<\/li>\n<li><strong>Step\uff1a<\/strong>Job\u4e2d\u7684\u4e00\u500b\u5177\u9ad4\u8655\u7406\u55ae\u5143\uff0c\u53ef\u4ee5\u662f\u8b80\u53d6\u3001\u8655\u7406\u6216\u5beb\u5165\u6578\u64da\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>ItemReader\uff1a<\/strong>\u8ca0\u8cac\u5f9e\u6578\u64da\u6e90\u8b80\u53d6\u6578\u64da\u3002<\/li>\n<li><strong>ItemProcessor\uff1a<\/strong>\u8ca0\u8cac\u8655\u7406\u8b80\u53d6\u5230\u7684\u6578\u64da\u3002<\/li>\n<li><strong>ItemWriter\uff1a<\/strong>\u8ca0\u8cac\u5c07\u8655\u7406\u5f8c\u7684\u6578\u64da\u5beb\u5165\u76ee\u6a19\u6578\u64da\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e5%9f%ba%e6%9c%ac%e7%9a%84%e6%89%b9%e8%99%95%e7%90%86%e9%a9%85%e5%8b%95%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-aIMvNQoKPs\">\u5275\u5efa\u57fa\u672c\u7684\u6279\u8655\u7406\u9a45\u52d5\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Spring Batch\u5275\u5efa\u57fa\u672c\u6279\u8655\u7406\u9a45\u52d5\u89e3\u6c7a\u65b9\u6848\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%b7%bb%e5%8a%a0%e4%be%9d%e8%b3%b4-aIMvNQoKPs\">1. \u6dfb\u52a0\u4f9d\u8cf4<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728\u60a8\u7684\u9805\u76ee\u4e2d\u6dfb\u52a0Spring Batch\u7684\u4f9d\u8cf4\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Maven\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n&lt;dependency&gt;\n    &lt;groupId&gt;org.springframework.batch&lt;\/groupId&gt;\n    &lt;artifactId&gt;spring-batch-core&lt;\/artifactId&gt;\n    &lt;version&gt;5.0.0&lt;\/version&gt;\n&lt;\/dependency&gt;\n<\/code><\/pre>\n<h3 id=\"2-%e9%85%8d%e7%bd%aejob%e5%92%8cstep-aIMvNQoKPs\">2. \u914d\u7f6eJob\u548cStep<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u914d\u7f6eJob\u548cStep\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport org.springframework.batch.core.Job;\nimport org.springframework.batch.core.Step;\nimport org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;\nimport org.springframework.batch.core.configuration.annotation.JobBuilderFactory;\nimport org.springframework.batch.core.configuration.annotation.StepBuilderFactory;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\n\n@Configuration\n@EnableBatchProcessing\npublic class BatchConfiguration {\n\n    @Bean\n    public Job importUserJob(JobBuilderFactory jobBuilderFactory, StepBuilderFactory stepBuilderFactory) {\n        return jobBuilderFactory.get(\"importUserJob\")\n                .flow(step1(stepBuilderFactory))\n                .end()\n                .build();\n    }\n\n    @Bean\n    public Step step1(StepBuilderFactory stepBuilderFactory) {\n        return stepBuilderFactory.get(\"step1\")\n                .chunk(10)\n                .reader(itemReader())\n                .processor(itemProcessor())\n                .writer(itemWriter())\n                .build();\n    }\n\n    \/\/ \u5b9a\u7fa9 ItemReader, ItemProcessor \u548c ItemWriter\n}\n<\/code><\/pre>\n<h3 id=\"3-%e5%af%a6%e7%8f%beitemreader%e3%80%81itemprocessor%e5%92%8citemwriter-aIMvNQoKPs\">3. \u5be6\u73feItemReader\u3001ItemProcessor\u548cItemWriter<\/h3>\n<p>\u60a8\u9700\u8981\u5be6\u73fe\u9019\u4e9b\u63a5\u53e3\u4f86\u5b9a\u7fa9\u6578\u64da\u7684\u8b80\u53d6\u3001\u8655\u7406\u548c\u5beb\u5165\u908f\u8f2f\u3002\u4ee5\u4e0b\u662f\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\npublic class CustomItemReader implements ItemReader {\n    @Override\n    public InputType read() {\n        \/\/ \u8b80\u53d6\u908f\u8f2f\n    }\n}\n\npublic class CustomItemProcessor implements ItemProcessor {\n    @Override\n    public OutputType process(InputType item) {\n        \/\/ \u8655\u7406\u908f\u8f2f\n    }\n}\n\npublic class CustomItemWriter implements ItemWriter {\n    @Override\n    public void write(List items) {\n        \/\/ \u5beb\u5165\u908f\u8f2f\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aIMvNQoKPs\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528Spring Batch\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5275\u5efa\u6279\u8655\u7406\u9a45\u52d5\u89e3\u6c7a\u65b9\u6848\uff0c\u5f9e\u800c\u6709\u6548\u5730\u8655\u7406\u5927\u91cf\u6578\u64da\u3002\u672c\u6587\u4ecb\u7d39\u4e86Spring Batch\u7684\u57fa\u672c\u6982\u5ff5\u53ca\u5176\u6838\u5fc3\u7d44\u4ef6\uff0c\u4e26\u63d0\u4f9b\u4e86\u5275\u5efa\u57fa\u672c\u6279\u8655\u7406\u4f5c\u696d\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u4ee3\u78bc\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u5834\u666f\uff0c\u9078\u64c7\u5408\u9069\u7684\u670d\u52d9\u5668\u74b0\u5883\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u4e86\u89e3\u66f4\u591a\u6709\u95dc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c\u5176\u4ed6\u670d\u52d9\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1Spring\u8a8d\u8b49\u6307\u5357\uff0c\u5b78\u7fd2\u5982\u4f55\u5275\u5efa\u57fa\u672c\u7684\u6279\u8655\u7406\u9a45\u52d5\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u5347\u60a8\u7684\u958b\u767c\u6280\u80fd\u8207\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-135115","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135115","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=135115"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135115\/revisions"}],"predecessor-version":[{"id":135116,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135115\/revisions\/135116"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=135115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=135115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=135115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}