package com.dy.pmsGlobal.dyFile;
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import com.dy.common.util.NumUtil;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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import org.springframework.stereotype.Component;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.util.MultiValueMap;
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import org.springframework.web.client.RestTemplate;
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import org.springframework.web.multipart.MultipartFile;
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import java.util.Arrays;
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import java.util.List;
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@Component
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public class FileOperate {
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@Autowired
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private RestTemplate restTemplate ;
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/**
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* 拆分上载文件的名称
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* @param file
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* @return
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*/
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public String[] splitFileName(MultipartFile file){
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String[] grp = new String[2] ;
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if(file != null) {
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String fileName = file.getOriginalFilename();
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int lastDotIndex = fileName.lastIndexOf('.');
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if (lastDotIndex >= 0) {
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grp[0] = fileName.substring(0, lastDotIndex);
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grp[1] = fileName.substring(lastDotIndex + 1);
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if(grp[0].trim().equals("")){
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grp[0] = "匿名" ;
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}
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}
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}
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return grp ;
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}
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/**
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* 得到上载的文件扩展名
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* @param file
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* @return
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*/
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public String getFileExtName(MultipartFile file){
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String fileExtName = null ;
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if(file != null) {
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String filename = file.getOriginalFilename();
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int lastDotIndex = filename.lastIndexOf('.');
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if (lastDotIndex >= 0) {
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fileExtName = filename.substring(lastDotIndex + 1);
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}
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}
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return fileExtName ;
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}
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/**
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* 得到上载的文件主名
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* @param fileName
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* @return
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*/
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public String getFileMainName(String fileName){
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String fileMainName = null ;
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if(fileName != null) {
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int lastDotIndex = fileName.lastIndexOf('.');
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if (lastDotIndex >= 0) {
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fileMainName = fileName.substring(0, lastDotIndex);
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}
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}
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if(fileMainName == null){
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fileMainName = "noName" ;
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}
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return fileMainName ;
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}
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/**
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* 通过照片路径，得到对应缩略图的路径
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* @param imgPath
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* @return
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*/
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public String getImgFileZipPath(String imgPath){
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String path_ = null ;
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String prePath = null ;
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String tailPath = null ;
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if(imgPath != null && !imgPath.trim().equals("")) {
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int lastDotIndex = imgPath.lastIndexOf('.');
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if (lastDotIndex >= 0) {
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prePath = imgPath.substring(0, lastDotIndex);
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tailPath = imgPath.substring(lastDotIndex);
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path_ = prePath + "_" + tailPath ;
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}
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}
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if(path_ == null){
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path_ = imgPath ;
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}
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return path_ ;
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}
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/**
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* web分布式文件系统保存文件
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* @param file
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* @param fmUrl
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* @param fileCtrlRqMp
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* @param fileMethodMp
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* @param regionNum
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* @param fileExtName
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* @param json
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* @return
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* @throws Exception
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*/
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public FileRestVo saveFile(MultipartFile file,
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String fmUrl,
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String fileCtrlRqMp,
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String fileMethodMp,
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String regionNum,
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String fileExtName,
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String json) throws Exception{
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FileRestVo rvo = null ;
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if(file != null && file.getBytes() != null && file.getBytes().length > 0){
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rvo = this.restCreateFileName(fmUrl, fileExtName) ;
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if(rvo != null){
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String relativeFilePath = this.restSaveFile(fileCtrlRqMp, fileMethodMp, file, regionNum, json, rvo);
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//log.info("存储文件生成文件路径：" + relativeFilePath);
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if(relativeFilePath != null){
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rvo.createFilePath(relativeFilePath, rvo.fileNameHash);
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}
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}
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}
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return rvo ;
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}
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/**
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* 生成文件名称
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* @return
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*/
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private FileRestVo restCreateFileName(String fmUrl, String fileExtName) throws Exception{
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// 准备请求数据
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MultiValueMap<String, Object> multipartRequestData = new LinkedMultiValueMap<>();
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multipartRequestData.add(FileConstant.fmPostMapping_create_paramName, fileExtName);
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// 设置请求头部，这里假设服务器接收multipart/form-data类型的数据
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HttpHeaders headers = new HttpHeaders();
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headers.setContentType(MediaType.MULTIPART_FORM_DATA);
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// 封装请求体
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HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(multipartRequestData, headers);
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String webUrl = fmUrl + "/" + FileConstant.fmRequestMapping + "/" + FileConstant.fmPostMapping_create;
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// 发送POST请求
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FileRestVo rvo = restTemplate.postForObject(webUrl, requestEntity, FileRestVo.class);
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return rvo ;
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}
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/**
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* 把文件存储到文件系统中
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* @param file
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* @param regionNum
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* @param json json数据
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* @param rvo
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* @return
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* @throws Exception
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*/
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private String restSaveFile(String fileCtrlRqMp,
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String fileMethodMp,
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MultipartFile file,
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String regionNum,
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String json,
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FileRestVo rvo) throws Exception{
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// 准备请求数据
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MultiValueMap<String, Object> multipartRequestData = new LinkedMultiValueMap<>();
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multipartRequestData.add(FileConstant.filePostMapping_paramName_file, file.getResource());
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multipartRequestData.add(FileConstant.filePostMapping_paramName_regionNum, regionNum);
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multipartRequestData.add(FileConstant.filePostMapping_paramName_json, (json==null?"":json));
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multipartRequestData.add(FileConstant.filePostMapping_paramName_absolutePath, rvo.fileSysAbsolutePath);
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multipartRequestData.add(FileConstant.filePostMapping_paramName_relativePath, rvo.fileSysRelativePath);
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multipartRequestData.add(FileConstant.filePostMapping_paramName_fileName, rvo.fileName);
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// 设置请求头部，这里假设服务器接收multipart/form-data类型的数据
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HttpHeaders headers = new HttpHeaders();
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headers.setContentType(MediaType.MULTIPART_FORM_DATA);
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//headers.setContentLength(file.getSize());
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// 封装请求体
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HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(multipartRequestData, headers);
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String fileRestUrl = rvo.fileSysRestUrl ;
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if(!fileRestUrl.endsWith("/") && !fileRestUrl.endsWith("\\\\")){
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fileRestUrl += "/" ;
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}
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fileRestUrl += (fileCtrlRqMp + "/" + fileMethodMp) ;
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// 发送POST请求
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return restTemplate.postForObject(fileRestUrl, requestEntity, Object.class).toString();
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}
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/**
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* 解析文件名称
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* @param fmUrl
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* @param filePath
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* @return
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*/
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public FileRestVo parse(String fmUrl, String filePath){
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// 准备请求数据
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MultiValueMap<String, Object> multipartRequestData = new LinkedMultiValueMap<>();
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multipartRequestData.add(FileConstant.fmPostMapping_parsePath_paramName, filePath);
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// 设置请求头部，这里假设服务器接收multipart/form-data类型的数据
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HttpHeaders headers = new HttpHeaders();
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headers.setContentType(MediaType.MULTIPART_FORM_DATA);
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// 封装请求体
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HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(multipartRequestData, headers);
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String webUrl = fmUrl + "/" + FileConstant.fmRequestMapping + "/" + FileConstant.fmPostMapping_parsePath;
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// 发送POST请求
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FileRestVo rvo = restTemplate.postForObject(webUrl, requestEntity, FileRestVo.class);
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return rvo ;
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}
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/**
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* 解析文件名称
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* @param fmUrl
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* @param filePaths
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* @return
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*/
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public List<FileRestVo> parse(String fmUrl, List<String> filePaths) throws Exception{
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List<FileRestVo> rList = null ;
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if(filePaths != null && filePaths.size() > 0) {
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MultiValueMap<String, Object> multipartRequestData = new LinkedMultiValueMap<>();
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multipartRequestData.add(FileConstant.fmPostMapping_parsePathList_paramName, filePaths);
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// 设置请求头部，这里假设服务器接收multipart/form-data类型的数据
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HttpHeaders headers = new HttpHeaders();
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headers.setContentType(MediaType.MULTIPART_FORM_DATA);
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// 封装请求体
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HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(multipartRequestData, headers);
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String webUrl = fmUrl + "/" + FileConstant.fmRequestMapping + "/" + FileConstant.fmPostMapping_parsePathList;
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// 发送POST请求
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FileRestVo[] rvos = restTemplate.postForObject(webUrl, requestEntity, FileRestVo[].class);
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rList = Arrays.asList(rvos) ;
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}
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return rList ;
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}
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/**
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* 解析文件哈希值
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* @param fmUrl
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* @param hashcode
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* @return
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*/
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public FileRestVo parseHashcode(String fmUrl, Integer hashcode){
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// 准备请求数据
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MultiValueMap<String, Object> multipartRequestData = new LinkedMultiValueMap<>();
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multipartRequestData.add(FileConstant.fmPostMapping_parseHashcode_paramName, hashcode);
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// 设置请求头部，这里假设服务器接收multipart/form-data类型的数据
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HttpHeaders headers = new HttpHeaders();
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headers.setContentType(MediaType.MULTIPART_FORM_DATA);
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// 封装请求体
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HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(multipartRequestData, headers);
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String webUrl = fmUrl + "/" + FileConstant.fmRequestMapping + "/" + FileConstant.fmPostMapping_parseHashcode;
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// 发送POST请求
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FileRestVo rvo = restTemplate.postForObject(webUrl, requestEntity, FileRestVo.class);
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return rvo ;
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}
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/**
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* 解析文件文件路径中的哈希值并返回图片完整路径
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* @param fmUrl
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* @param filePath
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* @return
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*/
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public String getFilePath(String fmUrl, String filePath){
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FileRestVo rvo = null ;
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if(filePath != null && !filePath.trim().equals("")){
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String[] strs = filePath.split("\\?") ;
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String hashValStr = strs[strs.length - 1] ;
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if(hashValStr != null && !hashValStr.trim().equals("") && NumUtil.isPlusIntNumber(hashValStr)){
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int hashVal = Integer.valueOf(hashValStr) ;
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rvo = parseHashcode(fmUrl, hashVal) ;
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}
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}
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if(rvo != null){
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return rvo.getFileWebUrl() + filePath ;
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}
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return null ;
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}
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}
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