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@@ -12,16 +12,21 @@ import com.hssx.cloudmodel.service.MouldFileService;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.hssx.cloudmodel.util.FileUtil;
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import com.hssx.cloudmodel.util.HttpRespMsg;
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+import com.hssx.cloudmodel.util.ListUtil;
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import com.hssx.cloudmodel.util.PageUtil;
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+import org.apache.commons.lang3.StringUtils;
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import org.springframework.stereotype.Service;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.multipart.MultipartFile;
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import javax.annotation.Resource;
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-import java.io.File;
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-import java.io.FileOutputStream;
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-import java.io.IOException;
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+import javax.servlet.ServletOutputStream;
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+import javax.servlet.http.HttpServletRequest;
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+import javax.servlet.http.HttpServletResponse;
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+import java.io.*;
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+import java.net.URLEncoder;
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import java.util.*;
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+import java.util.zip.ZipEntry;
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import java.util.zip.ZipOutputStream;
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/**
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@@ -300,7 +305,89 @@ public class MouldFileServiceImpl extends ServiceImpl<MouldFileMapper, MouldFile
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}
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@Override
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- public HttpRespMsg dowloadFileList(UserVO userVO) {
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+ public HttpRespMsg dowloadFileList(UserVO userVO, HttpServletRequest request, HttpServletResponse response,String downloadPath) throws IOException {
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+ HttpRespMsg msg = new HttpRespMsg();
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+ if(null != userVO.getIds()){
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+ List<Integer> ids = ListUtil.convertIntegerIdsArrayToList(userVO.getIds());
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+ for (Integer id : ids) {
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+ Mould mould = mouldMapper.selectById(id);
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+ List<MouldFile> mouldFiles = mouldFileMapper.selectList(new QueryWrapper<MouldFile>().eq("model_id", id).eq("state",3));
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+ feedBackDirectMultiDownload(request,response,downloadPath,mould,mouldFiles);
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+ }
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+ }
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+ return msg;
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+ }
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+
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+ public Map<String,Object> feedBackDirectMultiDownload(HttpServletRequest request, HttpServletResponse response,String downloadPath,Mould vo,List<MouldFile> mouldFiles) throws IOException {
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+ //压缩文件初始设置
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+ String path= downloadPath;
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+ String base_name = vo.getModelNo()+vo.getModelName();
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+ String fileZip = base_name + ".zip"; // 拼接zip文件
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+ String filePath = path+"\\" + fileZip;//之后用来生成zip文件
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+
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+ //mouldFiles为根据前台传过来的信息，通过数据库查询所得出的pdf文件路径集合（具体到后缀），此处省略
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+ File[] files = new File[mouldFiles.size()];//
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+ for(int i=0;i<mouldFiles.size();i++){
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+ files[i]=new File(mouldFiles.get(i).getFileUrl());//获取所有需要下载的pdf
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+ }
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+
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+ // 创建临时压缩文件
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+ try {
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+ BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath));
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+ ZipOutputStream zos = new ZipOutputStream(bos);
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+ ZipEntry ze = null;
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+ for (int i = 0; i < files.length; i++) {//将所有需要下载的pdf文件都写入临时zip文件
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+ BufferedInputStream bis = new BufferedInputStream(new FileInputStream(files[i]));
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+ ze = new ZipEntry(files[i].getName());
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+ zos.putNextEntry(ze);
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+ int s = -1;
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+ while ((s = bis.read()) != -1) {
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+ zos.write(s);
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+ }
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+ bis.close();
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+ }
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+ zos.flush();
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+ zos.close();
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ //以上，临时压缩文件创建完成
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+ //进行浏览器下载
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+ //获得浏览器代理信息
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+ final String userAgent = request.getHeader("USER-AGENT");
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+ //判断浏览器代理并分别设置响应给浏览器的编码格式
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+ String finalFileName = null;
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+ if(StringUtils.contains(userAgent, "MSIE")||StringUtils.contains(userAgent,"Trident")){//IE浏览器
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+ finalFileName = URLEncoder.encode(fileZip,"UTF8");
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+ System.out.println("IE浏览器");
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+ }else if(StringUtils.contains(userAgent, "Mozilla")){//google,火狐浏览器
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+ finalFileName = new String(fileZip.getBytes(), "ISO8859-1");
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+ }else{
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+ finalFileName = URLEncoder.encode(fileZip,"UTF8");//其他浏览器
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+ }
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+ response.setContentType("application/x-download");//告知浏览器下载文件，而不是直接打开，浏览器默认为打开
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+ response.setHeader("Content-Disposition" ,"attachment;filename=\"" +finalFileName+ "\"");//下载文件的名称
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+
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+ ServletOutputStream servletOutputStream=response.getOutputStream();
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+ DataOutputStream temps = new DataOutputStream(
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+ servletOutputStream);
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+
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+ DataInputStream in = new DataInputStream(new FileInputStream(filePath));//浏览器下载文件的路径
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+ byte[] b = new byte[2048];
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+ File reportZip=new File(filePath);//之后用来删除临时压缩文件
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+ try {
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+ while ((in.read(b)) != -1) {
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+ temps.write(b);
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+ }
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+ temps.flush();
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ }finally{
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+ if(temps!=null) temps.close();
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+ if(in!=null) in.close();
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+ if(reportZip!=null) reportZip.delete();//删除服务器本地产生的临时压缩文件
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+ servletOutputStream.close();
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+ }
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return null;
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}
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}
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