{"id":40110,"date":"2022-12-11T04:54:15","date_gmt":"2022-12-15T04:47:37","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e8%af%95%e7%9d%80%e9%80%9a%e8%bf%87%e4%bd%bf%e7%94%a8liberty%e6%9d%a5%e4%bd%bf%e7%94%a8event-streams%ef%bc%88kafka%ef%bc%89%e3%80%82\/"},"modified":"2024-04-29T04:40:28","modified_gmt":"2024-04-28T20:40:28","slug":"%e6%88%91%e8%af%95%e7%9d%80%e9%80%9a%e8%bf%87%e4%bd%bf%e7%94%a8liberty%e6%9d%a5%e4%bd%bf%e7%94%a8event-streams%ef%bc%88kafka%ef%bc%89%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e8%af%95%e7%9d%80%e9%80%9a%e8%bf%87%e4%bd%bf%e7%94%a8liberty%e6%9d%a5%e4%bd%bf%e7%94%a8event-streams%ef%bc%88kafka%ef%bc%89%e3%80%82\/","title":{"rendered":"\u6211\u8bd5\u7740\u901a\u8fc7\u4f7f\u7528Liberty\u6765\u4f7f\u7528Event Streams\uff08Kafka\uff09"},"content":{"rendered":"<h1>\u4e00\u5f00\u59cb<\/h1>\n<p>\u9019\u7bc7\u6587\u7ae0\u662fWebSphere 25\u9031\u5e74\u3001DB2\/MQ30\u9031\u5e74\u7d00\u5ff5\u6d3b\u52d5\u7684\u53c3\u8207\u6587\u7ae0\uff0c\u70ba\u4e86\u53c3\u8207Qiita\u6587\u7ae0\u6295\u7a3f\u6d3b\u52d5\u800c\u5beb\u6210\u7684\u3002<\/p>\n<p>\u6211\u5c1d\u8bd5\u521b\u5efa\u4e86\u4e00\u4e2a\u4eceLiberty\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u5230Event Streams(Kafka)\u7684\u7b80\u5355\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<h1>\u6211\u53bb\u8fc7<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">IBM Cloud \u7121\u6599\u7248Event Streams\u3092\u5229\u7528<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Boot\u3092\u5229\u7528\u3057\u305fWeb\u30a2\u30d7\u30ea\u3092\u4f5c\u6210<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u306eLiberty\u304b\u3089Event Streams\u306b\u63a5\u7d9a<\/ul>\n<h2>\u4f7f\u7528IBM Cloud\u7684\u514d\u8d39\u7248Event Streams\u3002<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3eab37434c4406c8ba7b\/6-0.png\" alt=\"undefined\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3eab37434c4406c8ba7b\/7-0.png\" alt=\"undefined\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3eab37434c4406c8ba7b\/8-0.png\" alt=\"undefined\" \/><\/div>\n<p>\u8fd9\u662f\u8fde\u63a5\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code>{\r\n  \"api_key\": \"xxxxxxxxxxxxxxxxxxxxx\",\r\n  \"apikey\": \"xxxxxxxxxxxxxxxxxxxxx\",\r\n  \"bootstrap_endpoints\": \"broker-xxxx.ibm.com:9093,broker-yyyy.ibm.com:9093,broker-zzzz.ibm.com:9093,broker-aaaa.ibm.com:9093,broker-bbbb.ibm.com:9093,broker-cccc.ibm.com:9093\",\r\n  \"iam_apikey_description\": \"Auto-generated for key xxxxxxxxx,\r\n  \"iam_apikey_name\": \"cre1\",\r\n  \"iam_role_crn\": \"xxxxxxxxx\",\r\n  \"iam_serviceid_crn\": \"xxxxxxxxxxx\",\r\n  \"instance_id\": \"aaaaaa-aaaa-bbbb-cccc-xxxxxxxxxx\",\r\n  \"kafka_admin_url\": \"https:\/\/xxxxxxxxxxx.ibm.com\",\r\n  \"kafka_brokers_sasl\": [\r\n    \"broker-xxxx.ibm.com:9093\",\r\n    \"broker-yyyy.ibm.com:9093\",\r\n    \"broker-zzzz.ibm.com:9093\",\r\n    \"broker-aaaa.ibm.com:9093\",\r\n    \"broker-bbbb.ibm.com:9093\",\r\n    \"broker-cccc.ibm.com:9093\"\r\n  ],\r\n  \"kafka_http_url\": \"https:\/\/xxxxxxxxxxx.ibm.com\",\r\n  \"password\": \"XXXXXXXXXXXXXXXXXXXXXX\",\r\n  \"user\": \"token\"\r\n}\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528Spring Boot\u521b\u5efaWeb\u5e94\u7528\u7a0b\u5e8f<\/h2>\n<p>\u6211\u5011\u5c07\u4f7f\u7528Spring Boot\u5275\u5efa\u4e0b\u9762\u9019\u7a2e\u7c21\u55ae\u7684Web\u61c9\u7528\u7a0b\u5f0f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">index.html\u304b\u3089Event Streams\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001KafkaListner\u3067\u30ed\u30b0\u306b\u51fa\u529b<\/ul>\n<p>\u5c06Spring Boot\u548cSpring Kafka\u6dfb\u52a0\u5230pom.xml\u6587\u4ef6\u7684\u4f9d\u8d56\u5173\u7cfb\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>-----\u7565------\r\n\t\t&lt;dependency&gt;\r\n\t\t\t&lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt;\r\n\t\t\t&lt;artifactId&gt;spring-boot-starter-thymeleaf&lt;\/artifactId&gt;\r\n\t\t&lt;\/dependency&gt;\r\n\t\t&lt;dependency&gt;\r\n\t\t\t&lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt;\r\n\t\t\t&lt;artifactId&gt;spring-boot-starter-web&lt;\/artifactId&gt;\r\n\t\t&lt;\/dependency&gt;\r\n\t\t&lt;dependency&gt;\r\n\t\t\t&lt;groupId&gt;org.springframework.kafka&lt;\/groupId&gt;\r\n\t\t\t&lt;artifactId&gt;spring-kafka&lt;\/artifactId&gt;\r\n\t\t&lt;\/dependency&gt;\r\n<\/code><\/pre>\n<p>\u5728\u5e94\u7528\u7a0b\u5e8f\u7684`.properties`\u6587\u4ef6\u4e2d\u5199\u5165\u521a\u521a\u590d\u5236\u7684Event Streams\u8fde\u63a5\u4fe1\u606f\u3002\u8981\u8fde\u63a5Event Streams\uff0c\u9700\u8981\u8fdb\u884c\u5b89\u5168\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># Kafka\u30d6\u30ed\u30fc\u30ab\u30fc\u30ea\u30b9\u30c8\r\n<\/span><span class=\"py\">spring.kafka.bootstrap-servers<\/span><span class=\"p\">=<\/span><span class=\"s\">broker-xxxx.ibm.com:9093,broker-yyyy.ibm.com:9093,broker-zzzz.ibm.com:9093,broker-aaaa.ibm.com:9093,broker-bbbb.ibm.com:9093,broker-cccc.ibm.com:9093<\/span>\r\n\r\n<span class=\"c\"># Producer\u8a2d\u5b9a\r\n<\/span><span class=\"py\">spring.kafka.producer.acks<\/span><span class=\"p\">=<\/span><span class=\"s\">1<\/span>\r\n<span class=\"py\">spring.kafka.producer.key-serializer<\/span><span class=\"p\">=<\/span><span class=\"s\">org.apache.kafka.common.serialization.StringSerializer<\/span>\r\n<span class=\"py\">spring.kafka.producer.value-serializer<\/span><span class=\"p\">=<\/span><span class=\"s\">org.apache.kafka.common.serialization.StringSerializer<\/span>\r\n\r\n<span class=\"c\">#Consumer\u8a2d\u5b9a\r\n<\/span><span class=\"py\">spring.kafka.consumer.group-id<\/span><span class=\"p\">=<\/span><span class=\"s\">group_id<\/span>\r\n<span class=\"py\">spring.kafka.consumer.auto-offset-reset<\/span><span class=\"p\">=<\/span><span class=\"s\">earliest<\/span>\r\n<span class=\"py\">spring.kafka.consumer.key-deserializer<\/span><span class=\"p\">=<\/span><span class=\"s\">org.apache.kafka.common.serialization.StringDeserializer<\/span>\r\n<span class=\"py\">spring.kafka.consumer.value-deserializer<\/span><span class=\"p\">=<\/span><span class=\"s\">org.apache.kafka.common.serialization.StringDeserializer<\/span>\r\n\r\n\r\n<span class=\"c\">## Security options\r\n<\/span><span class=\"py\">spring.kafka.jaas.enabled<\/span><span class=\"p\">=<\/span><span class=\"s\">true<\/span>\r\n<span class=\"py\">spring.kafka.properties.security.protocol<\/span><span class=\"p\">=<\/span><span class=\"s\">SASL_SSL<\/span>\r\n<span class=\"py\">spring.kafka.properties.sasl.mechanism<\/span><span class=\"p\">=<\/span><span class=\"s\">PLAIN<\/span>\r\n<span class=\"py\">spring.kafka.properties.sasl.jaas.config<\/span><span class=\"p\">=<\/span><span class=\"s\">org.apache.kafka.common.security.plain.PlainLoginModule required username=\"token\" password=\"XXXXXXXXXXXXXXXXXXXXXX\";<\/span>\r\n<\/code><\/pre>\n<p>\u51c6\u5907\u4e24\u4e2aHTML\u6587\u4ef6\uff0c\u4e00\u4e2a\u7528\u4e8e\u53d1\u9001\u6d88\u606f\uff0c\u53e6\u4e00\u4e2a\u7528\u4e8e\u663e\u793a\u53d1\u9001\u7684\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;!DOCTYPE html&gt;<\/span><span class=\"nt\">&lt;html&gt;<\/span>\r\n<span class=\"nt\">&lt;head&gt;<\/span>\r\n    <span class=\"nt\">&lt;meta<\/span> <span class=\"na\">charset=<\/span><span class=\"s\">\"UTF-8\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    <span class=\"nt\">&lt;title&gt;<\/span>Kafka Sender<span class=\"nt\">&lt;\/title&gt;<\/span>\r\n<span class=\"nt\">&lt;\/head&gt;<\/span>\r\n<span class=\"nt\">&lt;body&gt;<\/span>\r\n\t<span class=\"nt\">&lt;h1&gt;<\/span>Hello Event Streams!<span class=\"nt\">&lt;\/h1&gt;<\/span>\r\n\r\n    <span class=\"nt\">&lt;form<\/span> <span class=\"na\">method=<\/span><span class=\"s\">\"post\"<\/span> <span class=\"na\">action=<\/span><span class=\"s\">\"\/EventApp\/send\"<\/span><span class=\"nt\">&gt;<\/span>\r\n        <span class=\"nt\">&lt;label<\/span> <span class=\"na\">for=<\/span><span class=\"s\">\"message\"<\/span><span class=\"nt\">&gt;<\/span>Message:<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n        <span class=\"nt\">&lt;input<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"text\"<\/span> <span class=\"na\">name=<\/span><span class=\"s\">\"message\"<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"message\"<\/span><span class=\"nt\">&gt;<\/span>\r\n        <span class=\"nt\">&lt;button<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"submit\"<\/span><span class=\"nt\">&gt;<\/span>Send<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/form&gt;<\/span>\r\n<span class=\"nt\">&lt;\/body&gt;&lt;\/html&gt;<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"nt\">&lt;html<\/span> <span class=\"na\">xmlns:th=<\/span><span class=\"s\">\"http:\/\/www.thymeleaf.org\"<\/span><span class=\"nt\">&gt;<\/span>\r\n<span class=\"nt\">&lt;head&gt;<\/span>\r\n    <span class=\"nt\">&lt;meta<\/span> <span class=\"na\">charset=<\/span><span class=\"s\">\"UTF-8\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    <span class=\"nt\">&lt;title&gt;<\/span>Kafka Sender<span class=\"nt\">&lt;\/title&gt;<\/span>\r\n<span class=\"nt\">&lt;\/head&gt;<\/span>\r\n<span class=\"nt\">&lt;body&gt;<\/span>\r\n    <span class=\"nt\">&lt;p&gt;<\/span>Message sent: [[${message}]]<span class=\"nt\">&lt;\/p&gt;<\/span> \r\n<span class=\"nt\">&lt;\/body&gt;<\/span>\r\n<span class=\"nt\">&lt;\/html&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5728Java\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2aController\u7c7b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30fb\u30eb\u30fc\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092index.html\u3078<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Kafka\u306eKafkaTemplate\u3092\u5229\u7528\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">spring Kafka\u306eKafkaListenr\u3092\u5229\u7528\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u3057\u3001SystemOut\u306b\u51fa\u529b<\/ul>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">com.example.demo<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.beans.factory.annotation.Autowired<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.kafka.annotation.KafkaListener<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.kafka.core.KafkaTemplate<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.stereotype.Controller<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.web.bind.annotation.RequestMapping<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.web.bind.annotation.RequestMethod<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.web.bind.annotation.RequestParam<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.web.servlet.ModelAndView<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nd\">@Controller<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">MessageController<\/span> <span class=\"o\">{<\/span>\r\n\r\n\t<span class=\"nd\">@Autowired<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">KafkaTemplate<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">kafkaTemplate<\/span><span class=\"o\">;<\/span>\r\n\r\n\t<span class=\"nd\">@RequestMapping<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\/\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">method<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">RequestMethod<\/span><span class=\"o\">.<\/span><span class=\"na\">GET<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">ModelAndView<\/span> <span class=\"nf\">index<\/span><span class=\"o\">(<\/span><span class=\"kd\">final<\/span> <span class=\"nc\">ModelAndView<\/span> <span class=\"n\">mv<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n\t\t<span class=\"n\">mv<\/span><span class=\"o\">.<\/span><span class=\"na\">setViewName<\/span><span class=\"o\">(<\/span><span class=\"s\">\"index\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">mv<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"nd\">@RequestMapping<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\/send\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">method<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">RequestMethod<\/span><span class=\"o\">.<\/span><span class=\"na\">POST<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">ModelAndView<\/span> <span class=\"nf\">send<\/span><span class=\"o\">(<\/span><span class=\"nd\">@RequestParam<\/span><span class=\"o\">(<\/span><span class=\"s\">\"message\"<\/span><span class=\"o\">)<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">message<\/span><span class=\"o\">,<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">ModelAndView<\/span> <span class=\"n\">mv<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    \t<span class=\"n\">kafkaTemplate<\/span><span class=\"o\">.<\/span><span class=\"na\">send<\/span><span class=\"o\">(<\/span><span class=\"s\">\"libertyTopic\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">message<\/span><span class=\"o\">);<\/span>\r\n    \t<span class=\"n\">mv<\/span><span class=\"o\">.<\/span><span class=\"na\">setViewName<\/span><span class=\"o\">(<\/span><span class=\"s\">\"result\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"n\">mv<\/span><span class=\"o\">.<\/span><span class=\"na\">addObject<\/span><span class=\"o\">(<\/span><span class=\"s\">\"message\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">message<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">mv<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"nd\">@KafkaListener<\/span><span class=\"o\">(<\/span><span class=\"n\">topics<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"libertyTopic\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">groupId<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\"<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">listen<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">message<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Received message: \"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">message<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>    \r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u7528\u4e2d\u56fd\u8bed\u8a00\u8fdb\u884c\u672c\u5730\u73af\u5883\u7684Liberty\u8fde\u63a5\u5230Event Streams\u3002<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3eab37434c4406c8ba7b\/25-0.png\" alt=\"undefined\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3eab37434c4406c8ba7b\/26-0.png\" alt=\"undefined\" 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