分片上传文件的实现

/**gn

* @param file 文件

* @param chunks 分片总数

* @param chunk 当前分片

* @param name 文件名

* @param md5 文件md5值

* @return

* @Description: 手动上传

* @date 2022/8/8 11:42

* @author Qifan

*/

public String uploadFile(MultipartFile file, String chunks, String chunk, String name, String md5) {

//数据库获取实体

List<LocalFilePathEntity> localPathInfoList = ();

//准备返回结果

Map<String, String> resultMap;

String returnJsonStr;

if (!(localPathInfoList) && !((0).getZipPath())) {

//准备对象

LocalFilePathEntity filePathEntity = (0);

String packFilePath = ();

//文件名

String str = (0, ("."));

//创建目录

(packFilePath);

//对分片进行判断，存在走分片

if (chunks != null && chunk != null) {

//创建分片路径--->.../文件名/md5/

File dir = new File(packFilePath + str + "/" + md5);

if (!()) {

();

}

try {

byte[] bytes = ();

Path path = (packFilePath + str + "/" + md5 + "/" + chunk);

//写入分片下路径

(path, bytes, new OpenOption[0]);

//合并分片另外写了接口，等多个分片上传完成之后，再进行合并接口，并保存入库

("文件分片上传成功！");

resultMap = this.getReturnMap(name, "文件上传成功");

returnJsonStr = (resultMap);

} catch (IOException var15) {

("文件分片失败 失败原因" + ());

resultMap = this.getReturnMap(name, "分片失败，失败原因:" + ());

returnJsonStr = (resultMap);

}

} else {//分片为null,不存在，一般文件

try {

byte[] bytes = ();

Path path = (packFilePath + name);

("----------------");

(path, bytes, new OpenOption[0]);

//一.保存上传记录表

//UploadFileHisEntity uploadHis = (0, name);

//if (().equals(())) {

// resultMap = (name, ());

// returnJsonStr = (resultMap);

// return returnJsonStr;

//}

//二.解析文件并入库

//(name, uploadHis, filePathEntity);

("文件上传成功！");

resultMap = this.getReturnMap(name, "文件上传成功");

returnJsonStr = (resultMap);

} catch (IOException var14) {

("文件上传失败 失败原因" + ());

resultMap = this.getReturnMap(name, "上传失败，失败原因:" + ());

returnJsonStr = (resultMap);

}

}

return returnJsonStr;

} else {//没有配置路径，不允许上传

resultMap = this.getReturnMap(name, "本机配置没有配置上传压缩包文件路径");

returnJsonStr = (resultMap);

return returnJsonStr;

}

}