[add]h5读取改造

张洋洋

2025-01-08 29723c0c6658effce1419aadc01354853965ec6d

 src/main/java/com/se/simu/service/Impl/SemFilesSimuServiceImpl.java

@@ -4,22 +4,30 @@
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.se.simu.service.SemFilesSimuService;
import com.se.simu.utils.ZipUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.sql.*;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;

@Slf4j
@Service
public class SemFilesSimuServiceImpl implements SemFilesSimuService {

    @Value("${config.outPath}")
    private String outPath;

    /**
     * 获取 INTRODUCE
@@ -69,12 +77,9 @@
            Connection connection = connectToSQLiteWithCopy(filePath);
            System.out.println("SQLite数据库连接成功！");
            Statement stmt = connection.createStatement();


            // 查询ENTITY表的数据并返回JSON格式的结果
//            result = queryEntityTable(stmt);
            result = queryDynamizersTable(stmt);

            // 关闭连接
            connection.close();
            return result;
@@ -222,7 +227,7 @@
     * @return JSON格式的查询结果
     * @throws SQLException 如果查询过程中发生错误
     */
    public static JSONObject queryDynamizersTable(Statement stmt) throws SQLException {
    public JSONObject queryDynamizersTable(Statement stmt) throws SQLException {
        // 构建SQL查询语句
        String querySql = "SELECT URL, GMLID, DATA FROM DYNAMIZERS";
        // 创建一个 JSON 对象用于存储结果
@@ -237,17 +242,29 @@
                jsonObject.put("URL", rs.getString("URL"));
                jsonObject.put("GMLID", rs.getString("GMLID"));
                // 获取 BLOB 数据并将其转换为 Base64 编码字符串
                String blobData = rs.getString("DATA");
//                System.out.println("blobData = " + blobData);
               /* if (blobData != null) {
                    // 将 BLOB 数据转换为字节数组
                    byte[] blobBytes = blobData.getBytes(1, (int) blobData.length());
                    // 将字节数组转换为 Base64 字符串
                    String base64Data = Base64.getEncoder().encodeToString(blobBytes);
                    // 将 Base64 字符串放入 JSON 对象
                    jsonObject.put("DATA", base64Data);
                }*/
                // 将每一行的结果添加到 JSON 数组中
                byte[] blobData = rs.getBytes("DATA");
                DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
                String dirpath = outPath + "\\" + formatter.format(LocalDateTime.now());
                String filepath = outPath + "\\" + formatter.format(LocalDateTime.now()) + "\\" + rs.getString("URL");
                try {
                    File file = new File(dirpath);
                    if (!file.exists()) {
                        file.mkdirs();
                    }
                    File resultFile = new File(filepath);
                    resultFile.createNewFile();
                    try (FileOutputStream fos = new FileOutputStream(filepath)) {
                        fos.write(blobData);
                        ZipUtils.unzip(filepath,dirpath);
                        System.out.println("Bytes written to file successfully.");
                        resultFile.delete();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
                jsonObject.put("DATA", filepath);
                jsonArray.add(jsonObject);
            }
            // 将查询结果放入最终的 JSON 对象中