FileController.java
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package vion.controller;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import vion.Global;
import vion.enums.ResultEnum;
import vion.model.File;
import vion.service.IFileSerrvice;
import vion.utils.ResultUtil;
import javax.servlet.http.HttpServletResponse;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@RestController
@RequestMapping(Global.BASE_URL)
@Slf4j
public class FileController {
@Autowired
private IFileSerrvice fileSerrvice;
@Value("${fileurl:}")
private String fileurl;
@GetMapping("/files")
@ResponseBody
public Object getAccountList(@RequestParam(name = "store_id")Integer store_id,
@RequestParam(name = "source_id")Integer source_id,
@RequestParam(name = "pageNum")Integer pageNum,
@RequestParam(name = "pageSize")Integer pageSize){
//pageNum当前页，pageSize每页条数
PageHelper.startPage(pageNum,pageSize);
List<File> fileList=fileSerrvice.list(Wrappers.<File>lambdaQuery()
.eq(File::getSourceId,source_id)
.eq(File::getStoreId,store_id));
PageInfo pageInfo=new PageInfo(fileList,10);
if (pageInfo != null) {
return ResultUtil.success(pageInfo);
} else {
return ResultUtil.error(ResultEnum.SELECT_ERROR);
}
}
@PostMapping("/upLoadFile")
public Map<String, Object> uploadFile(@RequestParam(name="file") MultipartFile file){
Map<String, Object> resultMap = new HashMap<String, Object>();
try {
//上传url地址
String path=fileurl+"/"+file.getOriginalFilename();
java.io.File fileinfo=new java.io.File(path);
file.transferTo(fileinfo);
resultMap.put("msg_code", "200");
} catch (IOException e) {
e.printStackTrace();
resultMap.put("msg_code", "500");
}
return resultMap;
}
@GetMapping("/downLoadFile")
public void downLoadFile(@RequestParam(name="fileurl")String fileurl,
@RequestParam(name="filename")String filename,
HttpServletResponse response){
Map<String, Object> resultMap = new HashMap<String, Object>();
response.setContentType("application/octet-stream");
response.setHeader("Content-Disposition","attachment;filename="+filename);
java.io.File file=new java.io.File(fileurl);
try {
FileInputStream fis=new FileInputStream(file);
OutputStream os=response.getOutputStream();
byte[] buffer=new byte[1024];
int length;
while((length=fis.read(buffer))>0){
os.write(buffer,0,length);
}
fis.close();
os.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}