景区运行数据基础功能

龚焕茏

2024-03-05 ff054079a3512c6629fcbc183912b2c999eb025b

 dujy-modules/dujy-demo/src/main/java/org/dromara/demo/util/MinioUtil.java

@@ -5,7 +5,10 @@
import io.minio.messages.DeleteError;
import io.minio.messages.DeleteObject;
import io.minio.messages.Item;
import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.commons.compress.utils.IOUtils;
import org.dromara.common.core.utils.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpHeaders;
@@ -20,6 +23,7 @@
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
@@ -215,10 +219,34 @@
    }

    /**
     * 查看文件对象
     * @param bucketName 存储bucket名称
     * @return 存储bucket内文件对象信息
     * 下载文件
     *
     * @param originalName 文件路径
     */
    public InputStream downloadFile(String originalName, HttpServletResponse response) {
        try {

            InputStream file = minioClient.getObject(GetObjectArgs.builder().bucket(bucketName).object(originalName).build());
            String filename = new String(originalName.getBytes(StandardCharsets.ISO_8859_1), StandardCharsets.UTF_8);
            if (StringUtils.isNotBlank(originalName)) {
                filename = originalName;
            }
            response.setHeader("Content-Disposition", "attachment;filename=" + filename);
            ServletOutputStream servletOutputStream = response.getOutputStream();
            int len;
            byte[] buffer = new byte[1024];
            while ((len = file.read(buffer)) > 0) {
                servletOutputStream.write(buffer, 0, len);
            }
            servletOutputStream.flush();
            file.close();
            servletOutputStream.close();
            return file;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }


    /**