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案例管理的文件下载

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xiezhijun
2021-03-06 00:15:27 +08:00
parent 0f96ebf0f2
commit f1adbb041f
7 changed files with 112 additions and 67 deletions
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57
stdiet-admin/src/main/java/com/stdiet/web/controller/custom/SysCustomerCaseController.java
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@ -1,13 +1,16 @@
package com.stdiet.web.controller.custom;
import java.io.InputStream;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import com.stdiet.common.config.AliyunOSSConfig;
import com.stdiet.common.config.RuoYiConfig;
import com.stdiet.common.constant.Constants;
import com.stdiet.common.exception.file.FileNameLengthLimitExceededException;
import com.stdiet.common.utils.DateUtils;
import com.stdiet.common.utils.StringUtils;
import com.stdiet.common.utils.file.FileUploadUtils;
import com.stdiet.common.utils.file.FileUtils;
@ -15,15 +18,9 @@ import com.stdiet.common.utils.file.MimeTypeUtils;
import com.stdiet.common.utils.oss.AliyunOSSUtils;
import com.stdiet.custom.domain.SysCustomerCaseFile;
import com.stdiet.custom.dto.request.FileRequest;
import com.sun.deploy.net.HttpResponse;
import io.swagger.models.auth.In;
import org.aspectj.weaver.loadtime.Aj;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.http.StreamingHttpOutputMessage;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.unit.DataUnit;
import org.springframework.web.bind.annotation.*;
import com.stdiet.common.annotation.Log;
import com.stdiet.common.core.controller.BaseController;
@ -37,6 +34,7 @@ import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.crypto.Data;
/**
* 客户案例管理Controller
@ -127,6 +125,17 @@ public class SysCustomerCaseController extends BaseController
public TableDataInfo getFileListByCaseId(@RequestParam("caseId")Long caseId)
{
List<SysCustomerCaseFile> list = sysCustomerCaseService.getFileListByCaseId(caseId);
List<String> fileUrl = new ArrayList<>();
for (SysCustomerCaseFile caseFile : list) {
fileUrl.add(caseFile.getFileUrl());
}
List<String> downUrlList = AliyunOSSUtils.generatePresignedUrl(fileUrl);
if(downUrlList != null && downUrlList.size() > 0){
int index = 0;
for (String downUrl : downUrlList) {
list.get(index).setDownUrl(downUrl);
}
}
return getDataTable(list);
}
@ -147,7 +156,7 @@ public class SysCustomerCaseController extends BaseController
}
FileUploadUtils.assertAllowed(file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
String fileUrl = AliyunOSSUtils.uploadFileInputSteam(AliyunOSSConfig.casePrefix, file.getOriginalFilename(), file);
String fileUrl = AliyunOSSUtils.uploadFileInputSteam(AliyunOSSConfig.casePrefix, DateUtils.getDate()+"/"+file.getOriginalFilename(), file);
AjaxResult ajax = null;
if(StringUtils.isNotEmpty(fileUrl)){
@ -162,36 +171,4 @@ public class SysCustomerCaseController extends BaseController
return AjaxResult.error("文件上传失败");
}
}
/**
* 下载案例文件
* @param
* @return
*/
@PostMapping("/downCaseFile")
@PreAuthorize("@ss.hasPermi('custom:customerCase:list')")
public void downCaseFile(@RequestBody FileRequest fileRequest, HttpServletRequest request, HttpServletResponse response) {
/*try{
InputStream fileStream = AliyunOSSUtils.downloadFile(fileRequest.getFileUrl());
byte[] body = new byte[fileStream.available()];
fileStream.read(body);
HttpHeaders headers = new HttpHeaders();
headers.add("Content-Disposition", "attchement;filename=" + fileRequest.getFileName());
HttpStatus statusCode = HttpStatus.OK;
ResponseEntity<byte[]> entity = new ResponseEntity<byte[]>(body, headers, statusCode);
return entity;
}catch (Exception e) {
e.printStackTrace();
}
return null;*/
try {
response.setCharacterEncoding("utf-8");
response.setContentType("multipart/form-data");
response.setHeader("Content-Disposition",
"attachment;fileName=" + FileUtils.setFileDownloadHeader(request, fileRequest.getFileName()));
FileUtils.writeBytes(AliyunOSSUtils.downloadFile(fileRequest.getFileUrl()), response.getOutputStream());
}catch (Exception e){
e.printStackTrace();
}
}
}