{"id":46997,"date":"2023-03-28T02:06:31","date_gmt":"2023-04-08T19:44:06","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8spring-boot-protocol-buffers-kafka%e5%8f%91%e9%80%81%e5%92%8c%e6%8e%a5%e6%94%b6%e6%b6%88%e6%81%af%e3%80%82\/"},"modified":"2024-04-29T20:49:10","modified_gmt":"2024-04-29T12:49:10","slug":"%e4%bd%bf%e7%94%a8spring-boot-protocol-buffers-kafka%e5%8f%91%e9%80%81%e5%92%8c%e6%8e%a5%e6%94%b6%e6%b6%88%e6%81%af%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8spring-boot-protocol-buffers-kafka%e5%8f%91%e9%80%81%e5%92%8c%e6%8e%a5%e6%94%b6%e6%b6%88%e6%81%af%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Spring Boot + Protocol Buffers + Kafka\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f"},"content":{"rendered":"<p>\u6700\u8fd1\u6709\u673a\u4f1a\u63a5\u89e6\u5230Protocol Buffers\uff0c\u6240\u4ee5\u60f3\u5c1d\u8bd5\u5728Kafka\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u5b83\u3002<\/p>\n<h1>\u534f\u8bae\u7f13\u51b2\u533a\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>Protocol Buffers\u662f\u4e00\u4e2a\u7528\u4e8e\u5bf9\u8c61\u5e8f\u5217\u5316\u7684\u5e93\u3002\u53ef\u7528\u4e8e\u5e8f\u5217\u5316\u7684\u6570\u636e\u683c\u5f0f\u6709\u5f88\u591a\uff0cJSON\u548cXML\u4e5f\u662f\u5176\u4e2d\u4e4b\u4e00\uff0c\u4f46\u7531\u4e8e\u5b83\u4eec\u662f\u6587\u672c\u6570\u636e\uff0c\u5bb9\u91cf\u5f80\u5f80\u4f1a\u5f88\u5927\u3002\u4f7f\u7528Protocol Buffers\u53ef\u4ee5\u51cf\u5c0f\u5e8f\u5217\u5316\u751f\u6210\u7684\u5b57\u8282\u5e8f\u5217\u7684\u5bb9\u91cf\uff0c\u4ece\u800c\u6539\u5584\u5728\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u901a\u4fe1\u65f6\u7684\u6027\u80fd\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u6a21\u5f0f\u4e0e\u7f16\u7a0b\u8bed\u8a00\u65e0\u5173\uff0c\u5b83\u53ef\u4ee5\u5728\u4f7f\u7528\u4e0d\u540c\u6280\u672f\u6808\u7684\u5fae\u670d\u52a1\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<p>&nbsp;<\/p>\n<h1>\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4f53\u6982\u51b5<\/h1>\n<p>\u4f7f\u7528Protocol Buffers\u65f6\uff0c\u9996\u5148\u9700\u8981\u5728proto\u6587\u4ef6\u4e2d\u5b9a\u4e49\u6570\u636e\u7684\u6a21\u5f0f\uff0c\u5e76\u5728\u6570\u636e\u7684\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9\u4e4b\u95f4\u5171\u4eab\u5b83\u3002\u5982\u679c\u6709proto\u6587\u4ef6\uff0c\u5219\u53ef\u4ee5\u6839\u636e\u5b83\u4e3a\u5404\u79cd\u8bed\u8a00\u81ea\u52a8\u751f\u6210\u7528\u4e8e\u751f\u6210\u548c\u89e3\u6790\u6570\u636e\u7684\u6e90\u4ee3\u7801\uff0c\u56e0\u6b64\u5373\u4f7f\u6a21\u5f0f\u53d1\u751f\u53d8\u5316\uff0c\u5f00\u53d1\u4eba\u5458\u4e5f\u4e0d\u9700\u8981\u7ef4\u62a4\u89e3\u6790\u5668\uff0c\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n<p>\u5982\u679c\u5c06Protocol Buffers\u7528\u4e8e\u4f7f\u7528Kafka\u8fdb\u884c\u6d88\u606f\u4f20\u8f93\u548c\u63a5\u6536\uff0c\u5219\u5e94\u7528\u7a0b\u5e8f\u5c06\u9075\u5faa\u4ee5\u4e0b\u6d41\u7a0b\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7c3f913a08637a69bbab\/6-0.png\" alt=\"protobuf-kafka.png\" \/><\/div>\n<p>\u4ee5\u4e0b\u662f\u5e94\u7528\u7a0b\u5e8f\u7684\u5b58\u50a8\u5e93\u3002<\/p>\n<p>&nbsp;<\/p>\n<h1>\u521b\u5efaproto\u6587\u4ef6<\/h1>\n<p>\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2aprofo\u6587\u4ef6\u3002\u8fd9\u6b21\u6211\u4eec\u4f1a\u7528Kafka\u6765\u53d1\u9001\u548c\u63a5\u6536\u7531\u4e09\u4e2a\u5b57\u6bb5\u7ec4\u6210\u7684\u6570\u636e\uff0c\u5206\u522b\u662f\u7535\u5f71\u540d\uff0c\u5730\u70b9\u548c\u7968\u623f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">syntax<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"proto3\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kn\">package<\/span> <span class=\"nn\">proto<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">option<\/span> <span class=\"na\">java_multiple_files<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">true<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">option<\/span> <span class=\"na\">java_package<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"com.udomomo.springbootkafkapractice.proto\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">message<\/span> <span class=\"nc\">MyTopicEntry<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kt\">string<\/span> <span class=\"na\">movie_name<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"kd\">enum<\/span> <span class=\"n\">LOCATION<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">UNKNOWN<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"na\">THEATER<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"na\">STREAMING<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">2<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"n\">LOCATION<\/span> <span class=\"na\">location<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">2<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"kt\">int32<\/span> <span class=\"na\">box_office<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">3<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>java_multiple_files \u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u662f\u5426\u5c06\u4eceproto\u6587\u4ef6\u751f\u6210\u7684Java\u6e90\u4ee3\u7801\u62c6\u5206\u4e3a\u591a\u4e2a\u6587\u4ef6\u3002java_package \u662f\u751f\u6210\u7684\u6e90\u4ee3\u7801\u7684\u5305\u540d\u3002<br \/>\n\u8bf7\u53c2\u8003\u4ee5\u4e0b\u7684proto\u6587\u4ef6\u8bed\u6cd5\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>Proto\u6587\u4ef6\u5e94\u8be5\u653e\u5728\u54ea\u91cc\uff1f<\/h2>\n<p>\u7531\u4e8eProto\u6587\u4ef6\u662f\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5171\u4eab\u7684\uff0c\u6240\u4ee5\u4e0d\u5e94\u8be5\u5c06\u5176\u653e\u7f6e\u5728\u7279\u5b9a\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8907\u6570\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u53c2\u7167\u3055\u308c\u308bcommon\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4e2d\u306bproto\u30d5\u30a1\u30a4\u30eb\u3068\u751f\u6210\u30b3\u30fc\u30c9\u3092\u5165\u308c\u3001\u5404\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f9d\u5b58\u95a2\u4fc2\u3068\u3057\u3066\u8ffd\u52a0\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Schema Registry\u3092\u5229\u7528\u3059\u308b\uff08\u4f8b: Confluent Schema Registry\uff09<\/ul>\n<p>\u7531\u4e8e\u8fd9\u6b21\u662f\u4e00\u4e2a\u672c\u5730\u7684\u7b80\u6613\u9879\u76ee\uff0c\u6240\u4ee5\u53ea\u9700\u521b\u5efa\u4e00\u4e2aproto\/\u76ee\u5f55\u5e76\u5c06\u5176\u653e\u7f6e\u5176\u4e2d\u5373\u53ef\u3002<\/p>\n<h1>\u4eceproto\u6587\u4ef6\u751f\u6210\u4ee3\u7801<\/h1>\n<p>\u5728\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u751f\u6210\u7684\u4ee3\u7801\u5c06\u4ece\u6700\u65b0\u7684proto\u6587\u4ef6\u4e2d\u751f\u6210\u3002\u8fd9\u6b21\u6211\u4eec\u5c06\u4f7f\u7528Gradle\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5fc5\u9700\u7684\u4e09\u4e2a\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n<p>com.google.protobuf : Gradle\u7528\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3002proto\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306e\u30bf\u30b9\u30af\u3092\u63d0\u4f9b\u3059\u308b\u3002<\/p>\n<p>com.google.protobuf:protobuf-java : Java\u7528\u306eProtocol Buffers\u30b3\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\u3002\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u7b49\u3092\u63d0\u4f9b\u3059\u308b\u3002Gradle\u3067\u306f dependency \u306b\u8ffd\u52a0\u3059\u308c\u3070\u826f\u3044\u3002<\/p>\n<p>protoc : proto\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306aC\u8a00\u8a9e\u30d1\u30c3\u30b1\u30fc\u30b8\u3002CLI\u3082\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306f\u30d7\u30ea\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f com.google.protobuf:protoc \u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30bf\u30b9\u30af\u5185\u3067\u4f7f\u3046\u3053\u3068\u3002(\u4e0b\u8a18\u53c2\u7167)<\/p>\n<p>\u53e6\u5916\uff0c\u9700\u8981\u4fdd\u6301 protobuf-java \u548c protoc \u7684\u7248\u672c\u4e00\u81f4\u3002<\/p>\n<p>\u5b9a\u4e49Gradle\u4efb\u52a1\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">sourceSets<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"n\">main<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"n\">proto<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">srcDir<\/span> <span class=\"s2\">\"$rootDir\/proto\"<\/span>\r\n        <span class=\"o\">}<\/span>\r\n        <span class=\"n\">java<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">srcDirs<\/span> <span class=\"s2\">\"$buildDir\/generated\/source\/proto\/main\/java\"<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"n\">protobuf<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"n\">protoc<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"n\">artifact<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'com.google.protobuf:protoc:3.17.3'<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728protobuf\u4efb\u52a1\u4e2d\uff0c\u4f7f\u7528protoc\u7f16\u8bd1proto\u6587\u4ef6\u3002<br \/>\n\u800csourceSets\u4efb\u52a1\u662f\u4e3a\u4e86\u4f7f\u751f\u6210\u7684\u4ee3\u7801\u53ef\u4ee5\u88ab\u5e94\u7528\u7a0b\u5e8f\u8bbf\u95ee\u800c\u8bbe\u7acb\u7684\u3002\u5176\u5c5e\u6027\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<p>proto.srcDir: proto\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>java.srcDirs: \u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u304c\u683c\u7d0d\u3055\u308c\u308b\u5834\u6240\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u901a\u8fc7\u5728 main \u4ee5\u4e0b\u5b9a\u4e49\u5b83\u4eec\uff0c\u751f\u6210\u7684\u4ee3\u7801\u5c06\u6210\u4e3a\u5e94\u7528\u7a0b\u5e8f main sourceSet \u7684\u4e00\u90e8\u5206\uff0c\u5e76\u4e14\u53ef\u4ee5\u88ab\u8bbf\u95ee\u5230\u3002<\/p>\n<p>\u5f53\u60a8\u5b9a\u4e49\u5b8c\u4efb\u52a1\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528gradlew\u7684&#8211;dry-run\u9009\u9879\u6765\u786e\u8ba4\u5728\u6784\u5efa\u65f6\u662f\u5426\u771f\u6b63\u7f16\u8bd1\u4e86proto\u6587\u4ef6\u3002\u4e0b\u9762\u662f\u5728\u6784\u5efaproducer\u5e94\u7528\u7a0b\u5e8f\u65f6\u786e\u8ba4\u7684\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>.\/gradlew :producer:build <span class=\"nt\">--dry-run<\/span>\r\nStarting a Gradle Daemon, 1 incompatible Daemon could not be reused, use <span class=\"nt\">--status<\/span> <span class=\"k\">for <\/span>details\r\n:producer:extractIncludeProto SKIPPED\r\n:producer:extractProto SKIPPED\r\n:producer:generateProto SKIPPED\r\n:producer:compileJava SKIPPED\r\n:producer:processResources SKIPPED\r\n:producer:classes SKIPPED\r\n:producer:bootJar SKIPPED\r\n:producer:jar SKIPPED\r\n:producer:assemble SKIPPED\r\n:producer:extractIncludeTestProto SKIPPED\r\n:producer:extractTestProto SKIPPED\r\n:producer:generateTestProto SKIPPED\r\n:producer:compileTestJava SKIPPED\r\n:producer:processTestResources SKIPPED\r\n:producer:testClasses SKIPPED\r\n:producer:test SKIPPED\r\n:producer:check SKIPPED\r\n:producer:build SKIPPED\r\n\r\nBUILD SUCCESSFUL <span class=\"k\">in <\/span>16s\r\n<\/code><\/pre>\n<p>\u5728\u6267\u884ccompileJava\u4efb\u52a1\u4e4b\u524d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4f1a\u6267\u884c\u76f8\u5173\u7684Proto\u4efb\u52a1\u3002<\/p>\n<h1>\u4f7f\u7528Kafka\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u3002<\/h1>\n<h2>\u5236\u7247\u4eba (zh\u00ec<\/h2>\n<p>\u5728proto\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u6570\u636e\u5bf9\u8c61\u53ef\u4ee5\u4f7f\u7528builder\u65b9\u6cd5\u521b\u5efa\u3002\u4f8b\u5982\uff0csetMovieName()\u7b49\u65b9\u6cd5\u662f\u6839\u636eproto\u6587\u4ef6\u81ea\u52a8\u751f\u6210\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">MyTopicEntry<\/span> <span class=\"n\">myTopicEntry1<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">MyTopicEntry<\/span><span class=\"o\">.<\/span><span class=\"na\">newBuilder<\/span><span class=\"o\">()<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">setMovieName<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Titanic\"<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">setLocation<\/span><span class=\"o\">(<\/span><span class=\"nc\">MyTopicEntry<\/span><span class=\"o\">.<\/span><span class=\"na\">LOCATION<\/span><span class=\"o\">.<\/span><span class=\"na\">STREAMING<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">setBoxOffice<\/span><span class=\"o\">(<\/span><span class=\"mi\">340000<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u4e8b\u5148\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u5c06\u8fd9\u4e2a\u6570\u636e\u5bf9\u8c61\u901a\u8fc7\u751f\u4ea7\u8005\u53d1\u9001\u7684\u5e8f\u5217\u5316\u5668\u3002\u8be5\u5e8f\u5217\u5316\u5668\u7684\u4f5c\u7528\u53ea\u662f\u5c06\u6570\u636e\u8f6c\u6362\u4e3a\u5b57\u8282\u6570\u7ec4\uff0c\u4f46\u662f\u4e3a\u4e86\u540e\u7eed\u6dfb\u52a0\u5b9e\u73b0\u65f6\u66f4\u5bb9\u6613\u9650\u5b9a\u5f71\u54cd\u8303\u56f4\uff0c\u6700\u597d\u6839\u636e\u6570\u636e\u7c7b\u578b\u5206\u5f00\u4e0d\u540c\u7684\u5e8f\u5217\u5316\u5668\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">MyTopicEntrySerializer<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Serializer<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">MyTopicEntry<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"nf\">MyTopicEntrySerializer<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"o\">}<\/span>\r\n\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">byte<\/span><span class=\"o\">[]<\/span> <span class=\"nf\">serialize<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">topic<\/span><span class=\"o\">,<\/span> <span class=\"nc\">MyTopicEntry<\/span> <span class=\"n\">data<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">data<\/span><span class=\"o\">.<\/span><span class=\"na\">toByteArray<\/span><span class=\"o\">();<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u4f7f\u7528\u521b\u5efa\u7684\u5e8f\u5217\u5316\u5668\u6765\u53d1\u9001\u6d88\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">kafkaTemplate<\/span><span class=\"o\">.<\/span><span class=\"na\">send<\/span><span class=\"o\">(<\/span><span class=\"n\">kafkaSettings<\/span><span class=\"o\">.<\/span><span class=\"na\">getTopic<\/span><span class=\"o\">(),<\/span> <span class=\"n\">myTopicEntry1<\/span><span class=\"o\">);<\/span>\r\n<\/code><\/pre>\n<h2>\u6d88\u8d39\u8005<\/h2>\n<p>\u521b\u5efa\u4e00\u4e2aMyTopicEntryDeserializer\uff0c\u4eceConsumer\u63a5\u6536\u6d88\u606f\u3002\u901a\u8fc7\u4f7f\u7528parseFrom()\u65b9\u6cd5\uff0c\u63a5\u6536\u5230\u7684\u6d88\u606f\u53ef\u4ee5\u53cd\u5e8f\u5217\u5316\u4e3a\u5728Proto\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u6570\u636e\u5bf9\u8c61\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">MyTopicEntry<\/span> <span class=\"n\">entry<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">MyTopicEntry<\/span><span class=\"o\">.<\/span><span class=\"na\">parseFrom<\/span><span class=\"o\">(<\/span><span class=\"n\">record<\/span><span class=\"o\">.<\/span><span class=\"na\">value<\/span><span class=\"o\">());<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u6709\u673a\u4f1a\u63a5\u89e6\u5230Protocol Buffers\uff0c\u6240\u4ee5\u60f3\u5c1d\u8bd5\u5728Kafka\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u5b83\u3002 \u534f\u8bae\u7f13\u51b2\u533a\u662f\u4ec0\u4e48\uff1f [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46997","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528Spring Boot + Protocol Buffers + Kafka\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528spring-boot-protocol-buffers-kafka\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Spring Boot + Protocol Buffers + Kafka\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\" \/>\n<meta property=\"og:description\" content=\"\u6700\u8fd1\u6709\u673a\u4f1a\u63a5\u89e6\u5230Protocol Buffers\uff0c\u6240\u4ee5\u60f3\u5c1d\u8bd5\u5728Kafka\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u5b83\u3002 \u534f\u8bae\u7f13\u51b2\u533a\u662f\u4ec0\u4e48\uff1f [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528spring-boot-protocol-buffers-kafka\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" 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