{"id":40114,"date":"2023-06-27T02:58:08","date_gmt":"2023-06-28T18:00:48","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8spring-cloud-aws-3-0%e5%ae%9e%e7%8e%b0spring-boot%e5%af%b9dynamodb%e7%9a%84%e8%ae%bf%e9%97%ae%e3%80%82\/"},"modified":"2024-04-30T10:51:58","modified_gmt":"2024-04-30T02:51:58","slug":"%e4%bd%bf%e7%94%a8spring-cloud-aws-3-0%e5%ae%9e%e7%8e%b0spring-boot%e5%af%b9dynamodb%e7%9a%84%e8%ae%bf%e9%97%ae%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8spring-cloud-aws-3-0%e5%ae%9e%e7%8e%b0spring-boot%e5%af%b9dynamodb%e7%9a%84%e8%ae%bf%e9%97%ae%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Spring Cloud AWS 3.0\u5b9e\u73b0Spring Boot\u5bf9DynamoDB\u7684\u8bbf\u95ee"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u4f7f\u7528Spring Cloud AWS 3.0\u6574\u7406\u8bbf\u95eeDynamoDB\u7684\u65b9\u6cd5<\/p>\n<h2>\u73af\u5883<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Java 17<\/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 3.1.3<\/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 Cloud AWS 3.0.2<\/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\">DynamoDB local<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Gradle 8.2.1<\/ul>\n<h2>DynamoDB\u672c\u5730\u914d\u7f6e<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">docker-compose.yaml\u306b\u4e0b\u8a18\u306e\u5b9a\u7fa9\u3092\u884c\u3044DynamoDB Local\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u8d77\u52d5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">dynamodb-admin\u3092\u8ffd\u52a0\u3057\u3066\u3044\u308b\u306e\u3067\u3001http:\/\/localhost:8001\/\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308c\u3070GUI\u3067DynaamoDB\u306b\u63a5\u7d9a\u3067\u304d\u308b<\/ul>\n<pre class=\"post-pre\"><code><span class=\"na\">version<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">3.8'<\/span>\r\n<span class=\"na\">services<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">dynamodb-local<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">amazon\/dynamodb-local:latest<\/span>\r\n    <span class=\"na\">container_name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dynamodb-local<\/span>\r\n    <span class=\"na\">user<\/span><span class=\"pi\">:<\/span> <span class=\"s\">root<\/span>\r\n    <span class=\"na\">command<\/span><span class=\"pi\">:<\/span> <span class=\"s\">-jar DynamoDBLocal.jar -sharedDb -dbPath \/data<\/span>\r\n    <span class=\"na\">volumes<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s\">.\/data\/dynamodb:\/data<\/span>\r\n    <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">8000:8000\"<\/span>\r\n\r\n  <span class=\"na\">dynamo-admin<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">aaronshaf\/dynamodb-admin:latest<\/span>\r\n    <span class=\"na\">container_name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">dynamo-admin<\/span>\r\n    <span class=\"na\">environment<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">DYNAMO_ENDPOINT<\/span><span class=\"pi\">:<\/span> <span class=\"s\">http:\/\/dynamodb-local:8000<\/span>\r\n    <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">8001:8001\"<\/span>\r\n    <span class=\"na\">depends_on<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s\">dynamodb-local<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3eb337434c4406c8bbc9\/7-0.png\" alt=\"image.png\" \/><\/div>\n<h2>build.gradle \u53ef\u4ee5\u88ab\u89e3\u91ca\u4e3a\u6784\u5efa\u811a\u672c\u3002<\/h2>\n<p>dependencies\u306b\u4e0b\u8a18\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u8ffd\u52a0<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">implementation<\/span> <span class=\"nf\">platform<\/span><span class=\"o\">(<\/span><span class=\"s2\">\"io.awspring.cloud:spring-cloud-aws-dependencies:3.0.2\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"n\">implementation<\/span> <span class=\"s1\">'io.awspring.cloud:spring-cloud-aws-starter'<\/span>\t\r\n<span class=\"n\">implementation<\/span> <span class=\"s1\">'io.awspring.cloud:spring-cloud-aws-starter-dynamodb'<\/span>\r\n<\/code><\/pre>\n<h2>\u5e94\u7528\u914d\u7f6e\u6587\u4ef6.yml<\/h2>\n<ul class=\"post-ul\">DynamoDB\u306e\u63a5\u7d9a\u5148\u3092\u8a2d\u5b9a\u3059\u308b(DynamoDB Local\u306e\u30dd\u30fc\u30c8\u3092\u6307\u5b9a)<\/ul>\n<pre class=\"post-pre\"><code>spring:\r\n  cloud:\r\n    aws:\r\n      dynamodb:\r\n        endpoint: http:\/\/localhost:4569\r\n        table-prefix: \r\n<\/code><\/pre>\n<p>\u5173\u4e8e\u53c2\u6570\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b\u94fe\u63a5\uff1a<br \/>\nhttps:\/\/docs.awspring.io\/spring-cloud-aws\/docs\/3.0.2\/reference\/html\/index.html#configuration<\/p>\n<h2>\u6625\u5b63\u5f00\u53d1\u5de5\u5177\u914d\u7f6e\u6587\u4ef6<\/h2>\n<p>spring-boot-devtools\u3092\u4f9d\u5b58\u95a2\u4fc2\u306b\u8ffd\u52a0\u3057\u3066\u3044\u308b\u3068\u4e0b\u8a18\u306e\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u306e\u3067\u6291\u6b62\u3059\u308b\u305f\u3081\u306bsrc\/main\/resources\/META-INF\/spring-devtools.properties\u3092\u4f5c\u6210\u3057\u3066\u4e0b\u8a18\u3092\u8ffd\u52a0\u3057\u305f<\/p>\n<pre class=\"post-pre\"><code><span class=\"py\">restart.include.dynamodb<\/span><span class=\"p\">=<\/span><span class=\"s\">\/dynamodb-[-<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">w<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">d<\/span><span class=\"se\">\\.<\/span><span class=\"s\">]+<\/span><span class=\"se\">\\.<\/span><span class=\"s\">jar<\/span>\r\n<span class=\"py\">restart.include.awspring<\/span><span class=\"p\">=<\/span><span class=\"s\">spring-cloud-aws-[-<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">w<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">d<\/span><span class=\"se\">\\.<\/span><span class=\"s\">]+<\/span><span class=\"se\">\\.<\/span><span class=\"s\">jar<\/span>\r\n<\/code><\/pre>\n<h3>\u4f8b\u5916 &#8211; \u53ea\u9700\u8981\u4e00\u79cd\u9009\u9879:<\/h3>\n<p>\u7279\u4f8b<\/p>\n<pre class=\"post-pre\"><code>java.lang.IllegalStateException: Failed to execute CommandLineRunner\r\n\tat org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:774)\r\n\tat org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:755)\r\n\tat org.springframework.boot.SpringApplication.run(SpringApplication.java:319)\r\n\tat org.springframework.boot.SpringApplication.run(SpringApplication.java:1306)\r\n\tat org.springframework.boot.SpringApplication.run(SpringApplication.java:1295)\r\n\tat com.example.demo.HttpclientApplication.main(HttpclientApplication.java:35)\r\n\tat java.base\/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat java.base\/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)\r\n\tat java.base\/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.base\/java.lang.reflect.Method.invoke(Method.java:568)\r\n\tat org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:50)\r\nCaused by: java.lang.ClassCastException: class com.example.demo.Person cannot be cast to class com.example.demo.Person (com.example.demo.Person is in unnamed module of loader org.springframework.boot.devtools.restart.classloader.RestartClassLoader @6ce9878a; com.example.demo.Person is in unnamed module of loader 'app')\r\n\tat software.amazon.awssdk.enhanced.dynamodb.internal.mapper.ResolvedImmutableAttribute.lambda$create$0(ResolvedImmutableAttribute.java:54)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.mapper.StaticImmutableTableSchema.lambda$itemToMap$5(StaticImmutableTableSchema.java:507)\r\n\tat java.base\/java.util.ArrayList.forEach(ArrayList.java:1511)\r\n\tat java.base\/java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1092)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.mapper.StaticImmutableTableSchema.itemToMap(StaticImmutableTableSchema.java:505)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.mapper.WrappedTableSchema.itemToMap(WrappedTableSchema.java:67)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.mapper.WrappedTableSchema.itemToMap(WrappedTableSchema.java:67)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.internal.operations.PutItemOperation.generateRequest(PutItemOperation.java:90)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.internal.operations.PutItemOperation.generateRequest(PutItemOperation.java:45)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.internal.operations.CommonOperation.execute(CommonOperation.java:113)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.internal.operations.TableOperation.executeOnPrimaryIndex(TableOperation.java:59)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.internal.client.DefaultDynamoDbTable.putItem(DefaultDynamoDbTable.java:201)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.internal.client.DefaultDynamoDbTable.putItem(DefaultDynamoDbTable.java:209)\r\n\tat software.amazon.awssdk.enhanced.dynamodb.internal.client.DefaultDynamoDbTable.putItem(DefaultDynamoDbTable.java:214)\r\n\tat io.awspring.cloud.dynamodb.DynamoDbTemplate.save(DynamoDbTemplate.java:59)\r\n\tat com.example.demo.HttpclientApplication.run(HttpclientApplication.java:51)\r\n\tat org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:771)\r\n\t... 10 common frames omitted\r\n<\/code><\/pre>\n<h2>\u7528\u6cd5<\/h2>\n<h3>\u8868\u683c\u5b9a\u4e49<\/h3>\n<p>@DynamoDbBean\u3092\u30af\u30e9\u30b9\u306b\u4ed8\u4e0e<br \/>\ngetter\u306b@DynamoDbAttribute\u3092\u4ed8\u4e0e<br \/>\n\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u30ad\u30fc\u306egetter\u306b\u306f@DynamoDbPartitionKey\u3092\u4ed8\u4e0e<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.UUID<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">lombok.Data<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">software.amazon.awssdk.enhanced.dynamodb.mapper.annotations.DynamoDbAttribute<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">software.amazon.awssdk.enhanced.dynamodb.mapper.annotations.DynamoDbBean<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">software.amazon.awssdk.enhanced.dynamodb.mapper.annotations.DynamoDbPartitionKey<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nd\">@DynamoDbBean<\/span>\r\n<span class=\"nd\">@Data<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Person<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"no\">UUID<\/span> <span class=\"n\">id<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">name<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">lastName<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"nd\">@DynamoDbPartitionKey<\/span>\r\n    <span class=\"nd\">@DynamoDbAttribute<\/span><span class=\"o\">(<\/span><span class=\"s\">\"id\"<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"no\">UUID<\/span> <span class=\"nf\">getId<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">id<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n    \r\n    <span class=\"nd\">@DynamoDbAttribute<\/span><span class=\"o\">(<\/span><span class=\"s\">\"name\"<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">String<\/span> <span class=\"nf\">getName<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">name<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n    \r\n    <span class=\"nd\">@DynamoDbAttribute<\/span><span class=\"o\">(<\/span><span class=\"s\">\"lastName\"<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">String<\/span> <span class=\"nf\">getLastName<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">lastName<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u521b\u5efa\u8868\u683c<\/h3>\n<p>DynamoDbEnhancedClient\u3092\u5229\u7528\u3059\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Autowired<\/span>\r\n<span class=\"kd\">private<\/span> <span class=\"nc\">DynamoDbEnhancedClient<\/span> <span class=\"n\">dynamoDbEnhancedClient<\/span><span class=\"o\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5b9e\u65bd\u793a\u4f8b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">DynamoDbTable<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Person<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">table<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dynamoDbEnhancedClient<\/span><span class=\"o\">.<\/span><span class=\"na\">table<\/span><span class=\"o\">(<\/span><span class=\"s\">\"person\"<\/span><span class=\"o\">,<\/span> <span class=\"nc\">TableSchema<\/span><span class=\"o\">.<\/span><span class=\"na\">fromBean<\/span><span class=\"o\">(<\/span><span class=\"nc\">Person<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">));<\/span>\r\n<span class=\"n\">table<\/span><span class=\"o\">.<\/span><span class=\"na\">createTable<\/span><span class=\"o\">();<\/span>\r\n<\/code><\/pre>\n<h3>\u5411\u684c\u5b50\u4e0a\u6dfb\u52a0\u65b0\u9879\u76ee<\/h3>\n<p>DynamoDbTemplate\u3092\u5229\u7528\u3059\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Autowired<\/span>\r\n<span class=\"kd\">private<\/span> <span class=\"nc\">DynamoDbTemplate<\/span> <span class=\"n\">dynamoDbTemplate<\/span><span class=\"o\">;<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u5b9e\u65bd\u7684\u4f8b\u5b50\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">Person<\/span> <span class=\"n\">person<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Person<\/span><span class=\"o\">();<\/span>\r\n<span class=\"n\">person<\/span><span class=\"o\">.<\/span><span class=\"na\">setId<\/span><span class=\"o\">(<\/span><span class=\"no\">UUID<\/span><span class=\"o\">.<\/span><span class=\"na\">randomUUID<\/span><span class=\"o\">());<\/span>\r\n<span class=\"n\">person<\/span><span class=\"o\">.<\/span><span class=\"na\">setName<\/span><span class=\"o\">(<\/span><span class=\"s\">\"name\"<\/span><span class=\"o\">);<\/span>\r\n<span class=\"n\">person<\/span><span class=\"o\">.<\/span><span class=\"na\">setLastName<\/span><span class=\"o\">(<\/span><span class=\"s\">\"last\"<\/span><span class=\"o\">);<\/span>\r\n\r\n<span class=\"nc\">Person<\/span> <span class=\"n\">save<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dynamoDbTemplate<\/span><span class=\"o\">.<\/span><span class=\"na\">save<\/span><span class=\"o\">(<\/span><span class=\"n\">person<\/span><span class=\"o\">);<\/span>\r\n<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"na\">info<\/span><span class=\"o\">(<\/span><span class=\"s\">\"save =[{}]\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">save<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ save =[Person(id=5dac8d41-b5c9-4ef1-abbe-bacccde71ab0, name=name, lastName=last)] <\/span>\r\n<\/code><\/pre>\n<h3>\u66f4\u65b0\u684c\u5b50\u4e0a\u7684\u7269\u54c1<\/h3>\n<p>DynamoDbTemplate\u3092\u5229\u7528\u3059\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Autowired<\/span>\r\n<span class=\"kd\">private<\/span> <span class=\"nc\">DynamoDbTemplate<\/span> <span class=\"n\">dynamoDbTemplate<\/span><span class=\"o\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5b9e\u9645\u64cd\u4f5c\u8303\u4f8b<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">person<\/span><span class=\"o\">.<\/span><span class=\"na\">setName<\/span><span class=\"o\">(<\/span><span class=\"s\">\"update name\"<\/span><span class=\"o\">);<\/span>\r\n<span class=\"nc\">Person<\/span> <span class=\"n\">update<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dynamoDbTemplate<\/span><span class=\"o\">.<\/span><span class=\"na\">update<\/span><span class=\"o\">(<\/span><span class=\"n\">person<\/span><span class=\"o\">);<\/span>\r\n<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"na\">info<\/span><span class=\"o\">(<\/span><span class=\"s\">\"update =[{}]\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">update<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ update =[Person(id=5dac8d41-b5c9-4ef1-abbe-bacccde71ab0, name=update name, lastName=last)] <\/span>\r\n<\/code><\/pre>\n<h3>\u67e5\u627e\u684c\u5b50\u4e0a\u7684\u7269\u54c1<\/h3>\n<p>DynamoDbTemplate\u3092\u5229\u7528\u3059\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Autowired<\/span>\r\n<span class=\"kd\">private<\/span> <span class=\"nc\">DynamoDbTemplate<\/span> <span class=\"n\">dynamoDbTemplate<\/span><span class=\"o\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5b9e\u65bd\u4f8b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">Person<\/span> <span class=\"n\">load<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dynamoDbTemplate<\/span><span class=\"o\">.<\/span><span class=\"na\">load<\/span><span class=\"o\">(<\/span><span class=\"nc\">Key<\/span><span class=\"o\">.<\/span><span class=\"na\">builder<\/span><span class=\"o\">().<\/span><span class=\"na\">partitionValue<\/span><span class=\"o\">(<\/span><span class=\"n\">update<\/span><span class=\"o\">.<\/span><span class=\"na\">getId<\/span><span class=\"o\">().<\/span><span class=\"na\">toString<\/span><span class=\"o\">()).<\/span><span class=\"na\">build<\/span><span class=\"o\">(),<\/span> <span class=\"nc\">Person<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">);<\/span>\r\n<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"na\">info<\/span><span class=\"o\">(<\/span><span class=\"s\">\"load =[{}]\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">load<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ load =[Person(id=5dac8d41-b5c9-4ef1-abbe-bacccde71ab0, name=update name, lastName=last)] <\/span>\r\n<\/code><\/pre>\n<h3>\u5220\u9664\u8868\u683c\u4e2d\u7684\u9879\u76ee<\/h3>\n<p>DynamoDbTemplate\u3092\u5229\u7528\u3059\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Autowired<\/span>\r\n<span class=\"kd\">private<\/span> <span class=\"nc\">DynamoDbTemplate<\/span> <span class=\"n\">dynamoDbTemplate<\/span><span class=\"o\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5b9e\u65bd\u6848\u4f8b<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">dynamoDbTemplate<\/span><span class=\"o\">.<\/span><span class=\"na\">delete<\/span><span class=\"o\">(<\/span><span class=\"n\">update<\/span><span class=\"o\">);<\/span>\r\n<\/code><\/pre>\n<h2>\u6700\u540e<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">spring-devtools\u3068AWS\u306e\u76f8\u6027\u304c\u60aa\u3044\u306e\u304bClassCastException\u304c\u767a\u751f\u3057\u3066\u305d\u306e\u90e8\u5206\u306e\u89e3\u6c7a\u306b\u82e6\u52b4\u3057\u305f\u304c\u3001\u305d\u308c\u4ee5\u5916\u306f\u7c21\u5358\u306bDynamoDB\u306b\u63a5\u7d9a\u304c\u3067\u304d\u305f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u691c\u7d22\u7cfb\u306eQuery\u3084Scan\u95a2\u4fc2\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u306f\u307e\u3060\u8abf\u3079\u5207\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3042\u3068\u3067\u307e\u3068\u3081\u305f\u3044\u30fb\u30fb\u30fb<\/ul>\n<h2>\u8bf7\u53c2\u8003<\/h2>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u4f7f\u7528Spring Cloud AWS 3.0\u6574\u7406\u8bbf\u95eeDynamoDB\u7684\u65b9\u6cd5 \u73af\u5883 Java 17 &#038;nb [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-40114","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\/ 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