TableStore:读取数据getRow

<dependency>
    <groupId>com.aliyun.openservices</groupId>
    <artifactId>tablestore</artifactId>
    <version>4.10.2</version>
</dependency>

package com.aliyun.demo.controller;

import com.alicloud.openservices.tablestore.SyncClient;
import com.alicloud.openservices.tablestore.model.*;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class Tablestore {

    final String endPoint = "这里填写实例访问地质";
    final String accessKeyId = "这里填写子账户的KeyId，详情参照阿里云文档";
    final String accessKeySecret = "这里填写子账户的Keyecret，详情参照阿里云文档";
    final String instanceName = "owlforest"; //实例名

    @RequestMapping("/query")
    public String query() {
        /*// ClientConfiguration提供了很多配置项，以下只列举部分。
        ClientConfiguration clientConfiguration = new ClientConfiguration();
        // 设置建立连接的超时时间。
        clientConfiguration.setConnectionTimeoutInMillisecond(5000);
        // 设置socket超时时间。
        clientConfiguration.setSocketTimeoutInMillisecond(5000);
        // 设置重试策略，若不设置，采用默认的重试策略。
        clientConfiguration.setRetryStrategy(new AlwaysRetryStrategy());
        SyncClient client = new SyncClient(endPoint, accessKeyId, accessKeySecret, instanceName, clientConfiguration);*/

        SyncClient client = new SyncClient(endPoint, accessKeyId, accessKeySecret, instanceName);
        GetRowRequest rowRequest = new GetRowRequest();

        //参数是表名
        SingleRowQueryCriteria queryCriteria = new SingleRowQueryCriteria("user");
        //读取数据时，返回的最多版本个数。
        queryCriteria.setMaxVersions(5);
        //主键
        PrimaryKeyBuilder primaryKeyBuilder = PrimaryKeyBuilder.createPrimaryKeyBuilder();
        //这里要用PrimaryKeyValue.fromLong，因为主键是Integer类型，如果写成fromString是要报错的
        primaryKeyBuilder.addPrimaryKeyColumn("userid", PrimaryKeyValue.fromLong(1));
        queryCriteria.setPrimaryKey(primaryKeyBuilder.build());

        rowRequest.setRowQueryCriteria(queryCriteria);
        GetRowResponse rowResponse = client.getRow(rowRequest);
        if(rowResponse == null){
            return "未获取到TableStore的数据！";
        }else{
            String responseMsg = "";
            Column[] cols = rowResponse.getRow().getColumns();
            for (Column col : cols){
                System.out.println(col.getName());
                System.out.println(col.getValue());
            }
            return "有数据！";
        }
    }
}