{"id":296,"date":"2025-07-18T07:00:00","date_gmt":"2025-07-17T23:00:00","guid":{"rendered":"https:\/\/unmi.cc\/?p=296"},"modified":"2025-07-15T11:41:49","modified_gmt":"2025-07-15T03:41:49","slug":"aws-java-lambda-keys","status":"publish","type":"post","link":"https:\/\/unmi.cc\/aws-java-lambda-keys\/","title":{"rendered":"AWS \u4e0a Java Lambda \u5e94\u7528\u8bb0\u8981"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>Java \u5e94\u7528\u5728\u4e91\u51fd\u6570\u67b6\u6784\u4e2d\u7684\u73b0\u5b9e\u610f\u4e49<\/strong><\/h2>\n\n\n\n<p>\u968f\u7740\u65e0\u670d\u52a1\u5668\u67b6\u6784\u9010\u6e10\u6210\u4e3a\u4e3b\u6d41\uff0c\u5f00\u53d1\u8005\u5f00\u59cb\u5c06\u6ce8\u610f\u529b\u8f6c\u5411\u5982\u4f55\u5c06\u4f20\u7edf\u5e94\u7528\u8fc1\u79fb\u5230\u4e91\u7aef\u3002\u5bf9\u8bb8\u591a\u719f\u6089 Java \u7684\u56e2\u961f\u6765\u8bf4\uff0cAWS Lambda \u63d0\u4f9b\u4e86\u4e00\u4e2a\u8f7b\u91cf\u4f46\u529f\u80fd\u5f3a\u5927\u7684\u8fd0\u884c\u73af\u5883\u3002\u5b83\u4e0d\u4ec5\u7701\u53bb\u4e86\u90e8\u7f72\u670d\u52a1\u5668\u7684\u8d1f\u62c5\uff0c\u8fd8\u8ba9\u8d44\u6e90\u6309\u5b9e\u9645\u8c03\u7528\u8ba1\u8d39\uff0c\u63a7\u5236\u6210\u672c\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n\n\n\n<p>\u867d\u7136 Java \u672c\u8eab\u4ee5\u6027\u80fd\u7a33\u5b9a\u3001\u751f\u6001\u6210\u719f\u800c\u95fb\u540d\uff0c\u4f46\u5c06\u5176\u8fd0\u884c\u5728 Lambda \u4e0a\u5e76\u4e0d\u610f\u5473\u7740\u590d\u5236\u7c98\u8d34\u4ee3\u7801\u5c31\u80fd\u7acb\u5373\u9002\u914d\u3002\u51fd\u6570\u51b7\u542f\u52a8\u3001\u6253\u5305\u4f53\u79ef\u3001\u8fd0\u884c\u65f6\u517c\u5bb9\u6027\u7b49\u95ee\u9898\uff0c\u5f80\u5f80\u51b3\u5b9a\u4e86\u662f\u5426\u80fd\u5728 Lambda \u4e2d\u987a\u5229\u8fd0\u884c\u3002\u8fd9\u4e9b\u6311\u6218\u5982\u679c\u5904\u7406\u5f97\u5f53\uff0cJava \u5b8c\u5168\u53ef\u4ee5\u5728 AWS \u4e0a\u53d1\u6325\u51fa\u8272\u3002<\/p>\n\n\n\n<p>\u4e00\u4e9b\u4f01\u4e1a\u5df2\u7ecf\u7528 Java \u7f16\u5199\u7684 Lambda \u5b9e\u73b0\u4e86\u81ea\u52a8\u5316\u6587\u4ef6\u5904\u7406\u3001\u4e8b\u4ef6\u901a\u77e5\u3001\u540e\u7aef API \u548c\u6279\u91cf\u6570\u636e\u540c\u6b65\u7b49\u4efb\u52a1\u3002\u53ea\u8981\u6784\u5efa\u5f97\u5f53\uff0c\u8fd9\u4e9b\u51fd\u6570\u7684\u8868\u73b0\u5e76\u4e0d\u6bd4\u5728\u4f20\u7edf\u670d\u52a1\u5668\u4e0a\u5dee\u3002\u5173\u952e\u5728\u4e8e\u4e86\u89e3\u5176\u4e2d\u7684\u7279\u6027\uff0c\u505a\u51fa\u9002\u914d\u6027\u7684\u6280\u672f\u8c03\u6574\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u90e8\u7f72 Java Lambda \u524d\u7684\u51c6\u5907\u8981\u70b9<\/strong><\/h2>\n\n\n\n<p>Java \u9879\u76ee\u8fc1\u79fb\u5230 Lambda \u524d\uff0c\u9700\u8981\u6e05\u6670\u4e86\u89e3 AWS \u7684\u8fd0\u884c\u673a\u5236\u3002Lambda \u9488\u5bf9 Java \u63d0\u4f9b\u4e86\u7279\u5b9a\u7684\u8fd0\u884c\u65f6\u73af\u5883\uff0c\u76ee\u524d\u5e38\u89c1\u7684\u662f\u57fa\u4e8e Java 8\u3001Java 11 \u548c Java 17 \u7684\u652f\u6301\u3002\u9009\u62e9\u54ea\u4e2a\u7248\u672c\u53d6\u51b3\u4e8e\u9879\u76ee\u4f9d\u8d56\u548c\u517c\u5bb9\u6027\u3002<\/p>\n\n\n\n<p>\u53e6\u4e00\u4e2a\u91cd\u70b9\u662f\u5904\u7406\u51b7\u542f\u52a8\u65f6\u95f4\u3002Java \u542f\u52a8\u65f6\u95f4\u76f8\u5bf9\u8f83\u957f\uff0c\u82e5\u51fd\u6570\u4e0d\u5e38\u89e6\u53d1\uff0c\u5219\u9996\u6b21\u8c03\u7528\u5ef6\u8fdf\u8f83\u660e\u663e\u3002\u4e3a\u6b64\uff0c\u53ef\u4ee5\u901a\u8fc7\u51cf\u5c11\u4f9d\u8d56\u4f53\u79ef\u3001\u4f7f\u7528 GraalVM \u6216\u9009\u7528 provisioned concurrency \u65b9\u5f0f\u7f13\u89e3\u542f\u52a8\u5ef6\u8fdf\u5e26\u6765\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u8fd8\u8981\u8003\u8651\u6253\u5305\u5f62\u5f0f\u3002Java \u9879\u76ee\u9700\u6253\u6210\u5305\u542b\u6240\u6709\u4f9d\u8d56\u7684 fat jar\uff0c\u6216\u901a\u8fc7\u4f7f\u7528 AWS \u63a8\u8350\u7684 AWS Lambda Java Events \u548c AWS Lambda Java Core \u6765\u9002\u914d\u4e8b\u4ef6\u8f93\u5165\u8f93\u51fa\u683c\u5f0f\u3002\u7ed3\u6784\u6e05\u6670\u7684\u6253\u5305\u65b9\u5f0f\u80fd\u6709\u6548\u51cf\u5c11\u90e8\u7f72\u5f02\u5e38\uff0c\u63d0\u5347\u8fd0\u884c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Java \u4ee3\u7801\u7ed3\u6784\u5728 Lambda \u4e2d\u7684\u5178\u578b\u53d8\u5316<\/strong><\/h2>\n\n\n\n<p>\u5728\u4f20\u7edf\u7684 Java \u9879\u76ee\u4e2d\uff0c\u5e94\u7528\u901a\u5e38\u5305\u542b\u591a\u4e2a\u63a7\u5236\u5668\u3001\u670d\u52a1\u3001DAO \u5c42\u3002\u5230\u4e86 Lambda \u4e2d\uff0c\u8fd9\u6837\u7684\u7ed3\u6784\u5c31\u9700\u8981\u7b80\u5316\u751a\u81f3\u91cd\u6784\u3002\u56e0\u4e3a\u6bcf\u4e2a Lambda \u51fd\u6570\u5e94\u53ea\u505a\u4e00\u4ef6\u5177\u4f53\u7684\u5c0f\u4e8b\uff0c\u804c\u8d23\u8d8a\u6e05\u6670\u8d8a\u6613\u7ef4\u62a4\u3002<\/p>\n\n\n\n<p>\u51fd\u6570\u5165\u53e3\u7c7b\u5fc5\u987b\u5b9e\u73b0 RequestHandler \u6216 RequestStreamHandler \u63a5\u53e3\uff0c\u4e14\u9700\u8981\u5177\u5907\u65e0\u53c2\u6784\u9020\u51fd\u6570\u3002\u51fd\u6570\u5185\u90e8\u5e94\u8be5\u907f\u514d\u4f7f\u7528\u9759\u6001\u53d8\u91cf\u6216\u957f\u751f\u547d\u5468\u671f\u5bf9\u8c61\uff0c\u4ee5\u9632\u6b62\u72b6\u6001\u6cc4\u9732\u5230\u4e0b\u6b21\u8c03\u7528\u3002<\/p>\n\n\n\n<p>\u6709\u4e9b\u5f00\u53d1\u56e2\u961f\u4e60\u60ef\u5c06\u539f\u6709\u670d\u52a1\u4ee3\u7801\u8fdb\u884c\u5206\u5c42\u5c01\u88c5\uff0c\u7136\u540e\u5728 Lambda handler \u4e2d\u7b80\u5355\u8c03\u7528\u3002\u8fd9\u79cd\u65b9\u5f0f\u65e2\u4fdd\u7559\u4e86\u4ee3\u7801\u590d\u7528\uff0c\u4e5f\u80fd\u4fdd\u6301 Lambda \u7684\u7cbe\u7b80\u3002\u53ea\u8981\u6ce8\u610f\u7ebf\u7a0b\u5b89\u5168\u548c\u4f9d\u8d56\u6ce8\u5165\u65b9\u5f0f\u7684\u8c03\u6574\uff0c\u539f\u6709\u67b6\u6784\u4ecd\u53ef\u8f83\u597d\u5730\u8fc1\u79fb\u8fdb\u6765\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6784\u5efa\u4e0e\u6253\u5305\u8fc7\u7a0b\u4e2d\u7684\u7ec6\u8282\u5904\u7406<\/strong><\/h2>\n\n\n\n<p>Java \u9879\u76ee\u90e8\u7f72\u5230 AWS Lambda\uff0c\u6784\u5efa\u6d41\u7a0b\u5fc5\u987b\u7cbe\u786e\u63a7\u5236\u3002\u5e38\u89c1\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 Maven \u6216 Gradle \u6253\u5305\u6240\u6709\u4f9d\u8d56\uff0c\u751f\u6210\u4e00\u4e2a\u72ec\u7acb\u8fd0\u884c\u7684 jar \u5305\u3002\u8fd9\u4e2a\u5305\u9700\u538b\u7f29\u5728 50MB \u4ee5\u4e0b\uff0c\u5426\u5219\u5c06\u5f71\u54cd\u4e0a\u4f20\u6548\u7387\uff0c\u6216\u9700\u8981\u4f7f\u7528 S3 \u5b58\u50a8\u90e8\u7f72\u5305\u3002<\/p>\n\n\n\n<p>\u4e3a\u6b64\uff0c\u6784\u5efa\u6587\u4ef6\u4e2d\u8981\u7279\u522b\u6307\u5b9a shade \u63d2\u4ef6\uff08Maven\uff09\u6216 shadow \u63d2\u4ef6\uff08Gradle\uff09\uff0c\u7528\u4e8e\u5408\u5e76\u4f9d\u8d56\u3002\u6ce8\u610f\u8981\u5254\u9664\u672a\u4f7f\u7528\u7684\u6d4b\u8bd5\u4f9d\u8d56\u6216\u5927\u4f53\u79ef\u7684\u8c03\u8bd5\u5e93\uff0c\u4ee5\u51cf\u5c11\u5305\u4f53\u79ef\u3002<\/p>\n\n\n\n<p>\u5b8c\u6210\u6253\u5305\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 AWS CLI\u3001SAM CLI \u6216\u901a\u8fc7 CI\/CD \u5e73\u53f0\uff08\u5982 GitHub Actions\uff09\u81ea\u52a8\u4e0a\u4f20\u90e8\u7f72\u3002\u786e\u4fdd\u90e8\u7f72\u5305\u548c\u51fd\u6570 handler \u914d\u7f6e\u4e00\u81f4\uff0c\u907f\u514d\u56e0\u5165\u53e3\u7c7b\u8def\u5f84\u9519\u8bef\u5bfc\u81f4\u8fd0\u884c\u5931\u8d25\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Lambda \u8fd0\u884c\u65f6\u73af\u5883\u4e2d\u7684\u5185\u5b58\u4e0e\u6027\u80fd\u63a7\u5236<\/strong><\/h2>\n\n\n\n<p>\u5728 AWS Lambda \u4e2d\uff0c\u5185\u5b58\u914d\u7f6e\u4e0d\u4ec5\u51b3\u5b9a\u51fd\u6570\u8fd0\u884c\u65f6\u7684 RAM\uff0c\u8fd8\u76f4\u63a5\u5f71\u54cd CPU \u5206\u914d\u3002\u8fd9\u610f\u5473\u7740\u5206\u914d\u8d8a\u591a\u5185\u5b58\uff0c\u51fd\u6570\u53ef\u80fd\u8fd0\u884c\u8d8a\u5feb\u3002\u5bf9\u4e8e Java \u5e94\u7528\u6765\u8bf4\uff0c\u8fd9\u4e2a\u673a\u5236\u5bf9\u6027\u80fd\u8c03\u4f18\u6709\u5f88\u5927\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e00\u4e2a\u5904\u7406\u56fe\u7247\u7684\u51fd\u6570\u5982\u679c\u914d\u7f6e 512MB \u53ef\u80fd\u8017\u65f6 4 \u79d2\uff0c\u4f46\u6539\u4e3a 1024MB \u540e\u53ea\u9700 2 \u79d2\uff0c\u800c\u4ef7\u683c\u5dee\u5f02\u5e76\u4e0d\u5927\u3002\u901a\u8fc7 CloudWatch \u65e5\u5fd7\u89c2\u5bdf\u8fd0\u884c\u65f6\u95f4\u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u53ef\u4ee5\u7cbe\u51c6\u5730\u8c03\u6574\u8d44\u6e90\u914d\u7f6e\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0cLambda \u7684\u8fd0\u884c\u65f6\u95f4\u4e0a\u9650\u662f 15 \u5206\u949f\uff0c\u9002\u5408\u4e00\u4e9b\u4e2d\u7b49\u65f6\u957f\u7684\u4efb\u52a1\u3002\u5982\u679c\u4efb\u52a1\u8d85\u65f6\uff0cAWS \u4f1a\u5f3a\u5236\u7ec8\u6b62\u3002\u56e0\u6b64\uff0c\u957f\u4efb\u52a1\u5e94\u8003\u8651\u5207\u5206\u4e3a\u591a\u4e2a\u51fd\u6570\uff0c\u5e76\u901a\u8fc7 Step Functions \u8fdb\u884c\u7f16\u6392\uff0c\u907f\u514d\u5355\u6b21\u6267\u884c\u8d85\u51fa\u9650\u5236\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e0e\u5176\u4ed6 AWS \u670d\u52a1\u7684\u96c6\u6210\u65b9\u5f0f<\/strong><\/h2>\n\n\n\n<p>Java Lambda \u51fd\u6570\u5f80\u5f80\u4e0d\u662f\u5355\u72ec\u5b58\u5728\uff0c\u800c\u662f\u4f5c\u4e3a\u4e8b\u4ef6\u9a71\u52a8\u67b6\u6784\u7684\u4e00\u90e8\u5206\uff0c\u54cd\u5e94 S3 \u6587\u4ef6\u4e0a\u4f20\u3001DynamoDB \u6570\u636e\u53d8\u66f4\u3001SQS \u6d88\u606f\u961f\u5217\u6216 API Gateway \u8bf7\u6c42\u3002Java \u5728\u8fd9\u7c7b\u573a\u666f\u4e2d\u4e5f\u8868\u73b0\u51fa\u5f3a\u5927\u517c\u5bb9\u6027\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5904\u7406 S3 \u4e0a\u4f20\u89e6\u53d1\u7684\u4e8b\u4ef6\u65f6\uff0c\u53ef\u4ee5\u7528 S3Event \u7c7b\u89e3\u6790\u4e8b\u4ef6\u8be6\u60c5\uff1b\u5bf9\u4e8e HTTP \u8bf7\u6c42\uff0c\u53ef\u4ee5\u914d\u5408 API Gateway \u5b9a\u4e49\u8bf7\u6c42\u8def\u5f84\u3001\u53c2\u6570\u548c\u8fd4\u56de\u683c\u5f0f\uff0c\u7ed3\u5408 Jackson \u89e3\u6790 JSON\uff1b\u800c DynamoDB \u89e6\u53d1\u5668\uff0c\u5219\u9002\u5408\u7528\u4f5c\u5ba1\u8ba1\u6216\u6570\u636e\u540c\u6b65\u5de5\u5177\u3002<\/p>\n\n\n\n<p>\u96c6\u6210\u65f6\u52a1\u5fc5\u5173\u6ce8 IAM 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\u6216 Log4j2 \u8f93\u51fa\u65e5\u5fd7\uff0c\u8fd9\u4e9b\u5185\u5bb9\u4f1a\u81ea\u52a8\u6c47\u5165 CloudWatch\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u4fbf\u4e8e\u6392\u67e5\uff0c\u5efa\u8bae\u8f93\u51fa\u5173\u952e\u53d8\u91cf\u3001\u5f02\u5e38\u5806\u6808\u3001\u8bf7\u6c42\u53c2\u6570\u7b49\u4fe1\u606f\u3002\u540c\u65f6\u4e5f\u8981\u63a7\u5236\u65e5\u5fd7\u7ea7\u522b\uff0c\u907f\u514d\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u6253\u5370\u5927\u91cf\u65e0\u7528\u65e5\u5fd7\uff0c\u9020\u6210\u65e5\u5fd7\u5806\u79ef\u548c\u8d39\u7528\u589e\u52a0\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u66f4\u9ad8\u7ea7\u7684\u8c03\u8bd5\u65b9\u5f0f\uff0c\u53ef\u4ee5\u7ed3\u5408 AWS X-Ray 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optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>AWS \u4e0a Java Lambda \u5e94\u7528\u8bb0\u8981 - Unmi.cc<\/title>\n<meta name=\"description\" content=\"\u6df1\u5165\u8bb2\u89e3\u5982\u4f55\u5728 AWS \u4e0a\u6784\u5efa\u4e0e\u90e8\u7f72 Java Lambda \u5e94\u7528\uff0c\u6db5\u76d6\u6027\u80fd\u4f18\u5316\u3001\u90e8\u7f72\u7b56\u7565\u4e0e\u5e38\u89c1\u95ee\u9898\u5904\u7406\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unmi.cc\/aws-java-lambda-keys\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AWS \u4e0a Java Lambda \u5e94\u7528\u8bb0\u8981 - Unmi.cc\" \/>\n<meta property=\"og:description\" content=\"\u6df1\u5165\u8bb2\u89e3\u5982\u4f55\u5728 AWS \u4e0a\u6784\u5efa\u4e0e\u90e8\u7f72 Java Lambda 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