ACTION
public class UploadAction extends BaseAction {
private static final long serialVersionUID = 1L;
@Autowired
private UploadService uploadser;
public String index() {
return "upload";
}
// 附件上传
public void up() throws IOException {
// 设置文件缓存地址和缓存大小,需要时在设置/
File bufferTemp = new File(Path.UPLOAD_FILES);
if (!bufferTemp.exists()) {
bufferTemp.mkdirs();
}
if (attfile != null) {
Map<String, Object> fileInfo = getfileInfo();
File savefile = new File(bufferTemp, fileInfo.get("fileid") + "."
+ fileInfo.get("fsuffix"));
if (!savefile.getParentFile().exists())
savefile.getParentFile().mkdirs();
FileUtils.copyFile(attfile, savefile);
response.setContentType("text/html;charset=UTF-8");
if (uploadser.save(fileInfo) > 0) {
response.getWriter().write(
"<script type='text/javascript'>window.parent.callback('"
+ fileInfo.get("fileid") + "', '"
+ fileInfo.get("filename")
+ fileInfo.get("fsuffix") + "', 'success', '"
+ fileInfo.get("filetype") + "');</script>");
} else {
response.getWriter().write(
"<script type='text/javascript'>window.parent.callback('"
+ fileInfo.get("fileid") + "', '"
+ fileInfo.get("filename")
+ fileInfo.get("fsuffix") + "', 'failure', '"
+ fileInfo.get("filetype") + "');</script>");
}
}
}
// 附件下载
public void down() throws IOException {
Map<String, Object> fileinfo = new HashMap<String, Object>();
fileinfo = uploadser.getFileInfo(fileid);
String filename = fileid + "." + fileinfo.get("fsuffix");
File file = new File(Path.UPLOAD_FILES + "\\" + filename);
if (!file.exists()) {
response.sendError(404, "File not found!");
}
BufferedInputStream br = new BufferedInputStream(new FileInputStream(
file));
byte[] buf = new byte[1024];
int len = 0;
response.setCharacterEncoding("utf-8");
response.setContentType("application/x-msdownload");
response.setHeader(
"Content-disposition",
"attachment; filename="
+ URLEncoder.encode(fileinfo.get("filename") + "."
+ fileinfo.get("fsuffix"), "utf-8"));
OutputStream out = response.getOutputStream();
while ((len = br.read(buf)) > 0)
out.write(buf, 0, len);
br.close();
out.close();
}
// 删除单个附件
public void del() throws IOException {
int row = uploadser.delByFileId(fileid);
response.getWriter().print(row > 0 ? true : false);
}
// 组合上传附件信息
private Map<String, Object> getfileInfo() {
Map<String, Object> infoMap = new HashMap<String, Object>();
infoMap.put("fileid", Tool.getUUID());
infoMap.put("filename",
attfileFileName.substring(0, attfileFileName.lastIndexOf(".")));
infoMap.put("filetype", filetype);
infoMap.put("dataid", dataid);
infoMap.put("fcreateuserid", getLogin().getId());
infoMap.put("fcreateusername", getLogin().getName());
infoMap.put("fcreatetime",
DateUtil.getCurrentDateAsString("yyyy-MM-dd"));
infoMap.put("fsuffix", attfileFileName.substring(
attfileFileName.lastIndexOf(".") + 1, attfileFileName.length()));
return infoMap;
}
private String postfix;
private String filetype;
private String dataid;
private String fileid;
private File attfile;
private String attfileFileName;
public String getFileid() {
return fileid;
}
public void setFileid(String fileid) {
this.fileid = fileid;
}
public String getPostfix() {
return postfix;
}
public void setPostfix(String postfix) {
this.postfix = postfix;
}
public String getFiletype() {
return filetype;
}
public void setFiletype(String filetype) {
this.filetype = filetype;
}
public String getDataid() {
return dataid;
}
public void setDataid(String dataid) {
this.dataid = dataid;
}
public File getAttfile() {
return attfile;
}
public void setAttfile(File attfile) {
this.attfile = attfile;
}
public String getAttfileFileName() {
return attfileFileName;
}
public void setAttfileFileName(String attfileFileName) {
this.attfileFileName = attfileFileName;
}
}
SERVICE
@Service
public class UploadService { @Autowired
UploadDao uploaddao; // 保存
public int save(Map<String, Object> fileInfo) {
return uploaddao.save(fileInfo);
} // 取得附件列表
public List<Map<String, Object>> getFilesByDataId(String dataid) {
return uploaddao.getFilesByDataId(dataid);
} // 根据附件ID删除
public int delByFileId(String fileid) {
Map<String, Object> fileinfo = this.getFileInfo(fileid);
int reval = 0;
if (fileid.length() > 0) {
reval = delDiskFile(fileid + "." + fileinfo.get("fsuffix")) ? uploaddao
.delByFileId(fileid) : 0;
}
return reval;
} // 根据业务数据ID批量删除
public int delByDataId(String dataid) {
List<Map<String, Object>> filesinfo = this.getFilesByDataId(dataid);
Map<String, Object> fileinfo = null;
int reval = 0;
if (filesinfo.size() > 0) {
for (int i = 0; i < filesinfo.size(); i++) {
fileinfo = filesinfo.get(i);
delDiskFile(fileinfo.get("fileid") + "."
+ fileinfo.get("fsuffix"));
}
reval = uploaddao.delByDataId(dataid);
}
return reval;
} // 获取附件信息
public Map<String, Object> getFileInfo(String fileid) {
return uploaddao.getFileInfo(fileid);
} // 删除磁盘文件
private boolean delDiskFile(String filename) {
File file = new File(Path.UPLOAD_FILES + "\\" + filename);
boolean suc = false;
if (file.exists()) {
suc = file.delete();
}
return suc;
}
}
DAO
@Service
public class UploadService { @Autowired
UploadDao uploaddao; // 保存
public int save(Map<String, Object> fileInfo) {
return uploaddao.save(fileInfo);
} // 取得附件列表
public List<Map<String, Object>> getFilesByDataId(String dataid) {
return uploaddao.getFilesByDataId(dataid);
} // 根据附件ID删除
public int delByFileId(String fileid) {
Map<String, Object> fileinfo = this.getFileInfo(fileid);
int reval = 0;
if (fileid.length() > 0) {
reval = delDiskFile(fileid + "." + fileinfo.get("fsuffix")) ? uploaddao
.delByFileId(fileid) : 0;
}
return reval;
} // 根据业务数据ID批量删除
public int delByDataId(String dataid) {
List<Map<String, Object>> filesinfo = this.getFilesByDataId(dataid);
Map<String, Object> fileinfo = null;
int reval = 0;
if (filesinfo.size() > 0) {
for (int i = 0; i < filesinfo.size(); i++) {
fileinfo = filesinfo.get(i);
delDiskFile(fileinfo.get("fileid") + "."
+ fileinfo.get("fsuffix"));
}
reval = uploaddao.delByDataId(dataid);
}
return reval;
} // 获取附件信息
public Map<String, Object> getFileInfo(String fileid) {
return uploaddao.getFileInfo(fileid);
} // 删除磁盘文件
private boolean delDiskFile(String filename) {
File file = new File(Path.UPLOAD_FILES + "\\" + filename);
boolean suc = false;
if (file.exists()) {
suc = file.delete();
}
return suc;
}
}