redis 批量导入数据 txt格式文本

import com.meicloud.hbase.utils.CreateNameUtil;
import org.junit.Test;

import java.io.*;

/**
 * redis 批量导入数据 txt格式文本
 *
 * @author ex_zhengxd2
 * @version 0.1
 * @date 2022/11/30 18:13
 */
public class RedisImportTest {

    /**
     * 格式化成输入字符串
     */
    private String getString(String... args) {
        StringBuilder sb = new StringBuilder();
        sb.append("*").append(args.length).append("\r\n");
        for (String arg : args) {
            sb.append("$").append(arg.length()).append("\r\n");
            sb.append(arg).append("\r\n");
        }
        return sb.toString();
    }

    @Test
    public void initFile2() {
        Long startTime = System.currentTimeMillis();
        String file = "E:\\d4.txt";
        BufferedWriter w = null;
        StringBuilder sb = new StringBuilder();
        try {
            w = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "utf-8"));
            for (int i = 800000; i < 1000000; i++) {
                //for (int i = 1; i <= 100; i++) {
                if (i / 3 == 0) {
                    w.flush();
                }
                sb.setLength(0);
                sb.append(this.getString("hmset", "user_profile:user_info:" + i, "name", CreateNameUtil.math() + "", "age", CreateNameUtil.math() + ""));
                w.append(sb.toString());
            }
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                w.flush();
                w.close();
            } catch (IOException e) {
                e.printStackTrace();
            }

        }
        long endTime = System.currentTimeMillis();
        System.out.println("耗时: " + (endTime - startTime) / 1000 + " s。");
    }

}