在Spring启动应用程序中访问Amazon QLDB

import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.qldb.AmazonQLDBClient;
import software.amazon.awssdk.services.qldb.model.*;

public class QldbExample {
    public static void main(String[] args) {
        // 配置访问凭证信息
        AwsBasicCredentials credentials = AwsBasicCredentials.create("accessKeyId", "secretAccessKey");
        
        // 创建AmazonQLDBClient对象
        AmazonQLDBClient qldbClient = AmazonQLDBClient.builder()
                .region(Region.US_WEST_2) // 设置所在区域
                .credentialsProvider(StaticCredentialsProvider.create(credentials))
                .build();
        
        // 在此处可以执行对Amazon QLDB的操作，如执行QLDB查询、写入数据等
    }
}

// 执行QLDB查询
String query = "SELECT * FROM TableName";
ExecuteStatementRequest executeStatementRequest = ExecuteStatementRequest.builder()
        .ledgerName("YourLedgerName")
        .statement(query)
        .build();
ExecuteStatementResponse executeStatementResponse = qldbClient.executeStatement(executeStatementRequest);
List<ValueHolder> resultList = executeStatementResponse.result().toList();

// 写入数据到QLDB
String tableName = "TableName";
String statement = String.format("INSERT INTO %s ?", tableName);
List<IonValue> parameters = new ArrayList<>();
parameters.add(IonHelper.toIonValue("SampleData"));
ExecuteStatementRequest executeStatementRequest = ExecuteStatementRequest.builder()
        .ledgerName("YourLedgerName")
        .statement(statement)
        .parameters(parameters)
        .build();
qldbClient.executeStatement(executeStatementRequest);