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update 优化 oss 上传下载 使用流直接操作 减少读取字节码的内存消耗

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疯狂的狮子li
2022-11-08 18:47:19 +08:00
parent e5515751fd
commit 35fac6cc0c
2 changed files with 18 additions and 15 deletions
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7
ruoyi-oss/src/main/java/com/ruoyi/oss/core/OssClient.java
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@@ -134,10 +134,17 @@ public class OssClient {
* @param path 完整文件路径
*/
public ObjectMetadata getObjectMetadata(String path) {
path = path.replace(getUrl() + "/", "");
S3Object object = client.getObject(properties.getBucketName(), path);
return object.getObjectMetadata();
}
public InputStream getObjectContent(String path) {
path = path.replace(getUrl() + "/", "");
S3Object object = client.getObject(properties.getBucketName(), path);
return object.getObjectContent();
}
public String getUrl() {
String domain = properties.getDomain();
String endpoint = properties.getEndpoint();

26
ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysOssServiceImpl.java
View File

@@ -1,9 +1,7 @@
package com.ruoyi.system.service.impl;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.http.HttpException;
import cn.hutool.http.HttpUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -32,6 +30,7 @@ import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
@@ -92,23 +91,20 @@ public class SysOssServiceImpl implements ISysOssService {
@Override
public void download(Long ossId, HttpServletResponse response) throws IOException {
SysOssVo sysOss = this.matchingUrl(SpringUtils.getAopProxy(this).getById(ossId));
SysOssVo sysOss = this.getById(ossId);
if (ObjectUtil.isNull(sysOss)) {
throw new ServiceException("文件数据不存在!");
}
FileUtils.setAttachmentResponseHeader(response, sysOss.getOriginalName());
response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE + "; charset=UTF-8");
long data;
try {
data = HttpUtil.download(sysOss.getUrl(), response.getOutputStream(), false);
} catch (HttpException e) {
if (e.getMessage().contains("403")) {
throw new ServiceException("无读取权限, 请在对应的OSS开启'公有读'权限!");
} else {
throw new ServiceException(e.getMessage());
}
OssClient storage = OssFactory.instance();
try(InputStream inputStream = storage.getObjectContent(sysOss.getUrl())) {
int available = inputStream.available();
IoUtil.copy(inputStream, response.getOutputStream(), available);
response.setContentLength(available);
} catch (Exception e) {
throw new ServiceException(e.getMessage());
}
response.setContentLength(Convert.toInt(data));
}
@Override
@@ -118,7 +114,7 @@ public class SysOssServiceImpl implements ISysOssService {
OssClient storage = OssFactory.instance();
UploadResult uploadResult;
try {
uploadResult = storage.uploadSuffix(file.getBytes(), suffix, file.getContentType());
uploadResult = storage.uploadSuffix(file.getInputStream(), suffix, file.getContentType());
} catch (IOException e) {
throw new ServiceException(e.getMessage());
}