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分片上传校验

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wangz 2025-04-10 14:30:48 +08:00
parent 1b26b4c037
commit 7327cddbc1
3 changed files with 51 additions and 0 deletions
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1
sgtjzhzxsp-business/src/main/java/com/bhne/service/ZhUploadSliceService.java
View File

@ -15,6 +15,7 @@ import java.io.FileNotFoundException;
*/
public interface ZhUploadSliceService extends IService<ZhFileMergeInfo> {
public AjaxResult uploadSlice (MultipartFile file, String hash, String filename, Integer seq, String type);
public AjaxResult checkMerge(String filename, String type, String hash,Integer sliceCount);
public AjaxResult uploadMerge(String filename, String type, String hash);
public AjaxResult downloadFile(String fileName);
public AjaxResult getFileUrl(String fileName);

17
sgtjzhzxsp-business/src/main/java/com/bhne/service/impl/ZhUploadSliceServiceImpl.java
View File

@ -63,6 +63,23 @@ public class ZhUploadSliceServiceImpl extends ServiceImpl<ZhFileMergeInfoMapper,
resp.put("msg",sliceResult.getString("msg"));
return resp;
}
/**
* 文件分片数量校验
* @param filename 文件名
* @param type 文件类型
* @param hash 文件哈希值
* @param sliceCount 分片数量
* @return
*/
public AjaxResult checkMerge(String filename, String type, String hash,Integer sliceCount){
AjaxResult resp = new AjaxResult();
String uploadPathMerge = uploadPath+"uploadSlice/";
JSONObject mergeResult = UploadSliceUtil.checkMerge(filename, type, hash, sliceCount, uploadPathMerge);
resp.put("code", mergeResult.getBoolean("success") ? 200 : 500);
resp.put("deSlice",mergeResult.getJSONArray("deSlice"));
return resp;
}
/**
* 合并文件
*

33
sgtjzhzxsp-business/src/main/java/com/bhne/util/UploadSliceUtil.java
View File

@ -1,5 +1,6 @@
package com.bhne.util;
import com.alibaba.fastjson2.JSONArray;
import com.alibaba.fastjson2.JSONObject;
import com.bhne.common.utils.obs.HuaWeiOBSUtil;
import com.bhne.common.utils.uuid.UUID;
@ -62,6 +63,37 @@ public class UploadSliceUtil {
return resp;
}
}
/**
* 文件分片数量校验
* @param filename 文件名
* @param type 文件类型
* @param hash 文件哈希值
* @param sliceCount 分片数量
* @return
*/
public static JSONObject checkMerge(String filename, String type, String hash,Integer sliceCount,String uploadPath){
JSONObject resp = new JSONObject();
JSONArray deSlice = new JSONArray();
// 判断hash对应文件夹是否存在
/*File dir = new File(uploadPath + hash);
if (!dir.exists()) {
resp.put("success",false);
for(int i=1;i<=sliceCount;i++){
deSlice.add(i);
}
resp.put("deSlice",deSlice);
return resp;
}*/
for(int i=1;i<=sliceCount;i++){
File slice = new File(uploadPath + hash + '/' + filename + '.' + type + i);
if (!slice.exists()) {
deSlice.add(i);
}
}
resp.put("success",deSlice.size()>0 ? false : true);
resp.put("deSlice",deSlice);
return resp;
}
/**
* 合并文件
*
@ -77,6 +109,7 @@ public class UploadSliceUtil {
resp.put("success",false);
resp.put("msg","上传失败");
log.error(hash+"文件合并失败，分片目录不存在。");
return resp;
}
// 这里通过FileChannel来实现信息流复制
FileChannel out = null;