java jquery 上传文件_jquery+java文件上传下载删除全代码

秒速五厘米 2022-11-02 11:37 204阅读 0赞

/\*\*

\* 上传文件

\* @param file 文件流

\* @param id 文件随机ID

\* @param response

\* @throws Exception

\*/

//这里因为框架内置 不需要加@ResponseBody,正常需要加的

@RequestMapping("/upload\_auditFile")

public void upload\_auditFile(MultipartFile file,String id,HttpServletRequest request,HttpServletResponse response) throws Exception\{

SysUser sysUser = (SysUser) request.getSession().getAttribute("sysUser");

String result = applyService.upload\_auditFile(file,id,sysUser.getId());

JSONObject obj = new JSONObject();

if(!"error".equals(result)&&!"fileMax".equals(result))\{

obj.put("result", "ok");

\}else\{

obj.put("result", result);

PrintWriter out = response.getWriter();

obj.put("fileName", file.getOriginalFilename());

obj.put("filePath", result);

response.setStatus(HttpServletResponse.SC\_OK);

response.setContentType("text/html");

out.print(obj.toString());

/\*\*

\* 保存文件信息

\* @param request

\* @param djs 文件信息

\* @param filestepid 步骤ID

\* @param approval 审批流程ID

\* @return

\*/

@RequestMapping("/saveoreditfile")

public ResultVO saveoreditfile(HttpServletRequest request,String djs,String filestepid, String approval) \{

SysUser sysUser = (SysUser) request.getSession().getAttribute("sysUser");

// html字符转义 import org.apache.commons.text.StringEscapeUtils;

djs = StringEscapeUtils.unescapeHtml4(djs);

List arrayList = (List) JSON.parseArray(djs, jsonbean.class);

System.out.println(arrayList);

return new ResultVO(applyService.saveoreditfile(arrayList, filestepid, approval,sysUser));

/\*\*

\* JSON转换实体类

\* @author XNYLH

\*/

public class jsonbean \{

private String name;

private String value;

public String getName() \{

return name;

public void setName(String name) \{

this.name = name;

public String getValue() \{

return value;

public void setValue(String value) \{

this.value = value;

@Override

public String toString() \{

return "jsonbean \[name=" + name + ", value=" + value + "\]";

/\*\*

\* 删除文件

\* @param request

\* @param djs

\* @param filestepid

\* @param approval

\* @return

\*/

@RequestMapping("/delfile")

public ResultVO delfile(HttpServletRequest request,String id,String fileType) \{

return new ResultVO(applyService.delfile(id,fileType));

/\*\*

\* 文件下载

\* @return

\*/

@RequestMapping("/ResponseEntity")

public ResponseEntity ResponseEntity(String id) throws IOException\{

//获取文件信息

OaFlowFile oaFlowFile = applyService.getOaFlowFile(id);

System.out.println(id+oaFlowFile);

if(oaFlowFile!=null) \{

//这里就是文件路径

String webPath = Platform.getInstance().getGlobal().get("attachPath");

String filePath = webPath + oaFlowFile.getFileUrl();

String realFileName;

File file = new File(filePath);

HttpHeaders headers = new HttpHeaders();

realFileName = new String(oaFlowFile.getFileName().getBytes("ISO-8859-1"),"utf-8");

headers.setContentType(MediaType.APPLICATION\_OCTET\_STREAM);

//realFileName = URLEncoder.encode(realFileName, "UTF-8");

headers.setContentDispositionFormData("attachment", realFileName);

//import org.springframework.http.ResponseEntity;

//import org.springframework.http.HttpHeaders;

//import org.springframework.http.HttpStatus;

//import org.springframework.http.MediaType;

return new ResponseEntity(FileUtils.readFileToByteArray(file),

headers, HttpStatus.OK);

return null;

java jquery 上传文件_jquery+java文件上传下载删除全代码

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