文件上传显示保存到数据库实现类

最新推荐文章于 2019-08-15 16:31:42 发布

phantomes

最新推荐文章于 2019-08-15 16:31:42 发布

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文章标签：数据库 json

本文介绍了一个用于酒店图片上传及管理的功能模块实现细节，包括图片的上传、展示、编辑及审核等操作流程，并实现了与数据库的交互。

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publicclassUpLoadActionextendsActionSupportimplements
ServletRequestAware,ServletResponseAware{
privateHttpServletRequestrequest;
privateHttpServletResponseresponse;
privateList<File>uploadFile;
privateList<String>uploadFileContentType;
privateList<String>uploadFileFileName;
publicvoidsetServletRequest(HttpServletRequestrequest){
this.request=request;
}
publicvoidsetServletResponse(HttpServletResponseresponse){
this.response=response;
}
/**
*上传图片，至路径保存至数据库
*@return
*@throwsException
*/
publicStringuploadImage()throwsException{
StringsavePath=request.getSession().getServletContext().getRealPath("/upload/temp");
Stringresult="error";
Filedir=newFile(savePath);
if(!dir.exists()){
dir.mkdirs();
}
List<File>files=getUploadFile();
if((files!=null)&&(files.size()>0)){
for(inti=0;i<files.size();i++){
FileUtils.copyFile(files.get(i),newFile(savePath+"//"
+getUploadFileFileName().get(i)));
}
}
else{
returnresult;
}
returnSUCCESS;
}
/**
*显示图片
*@return
*/
publicStringgetHotelImage(){
try{
Stringname=request.getParameter("name");
name=request.getSession().getServletContext().getRealPath("/")+"upload/hotel/"+name;
FileInputStreamfi=newFileInputStream(name);
BufferedInputStreambi=newBufferedInputStream(fi);
intc=0;
while((c=bi.read())!=-1){
response.getWriter().write(c);
}
response.getWriter().flush();
fi.close();
}
catch(Exceptione){
//TODOAuto-generatedcatchblock
e.printStackTrace();
}
return"success";
}
/**
*持久化到数据库
*@return
*/
publicStringinsertiImageInfo(){
try{
hotelimage=newHotelImage();
hotelimage.setImageTitle(imageTitle);
Stringimage=request.getParameter("uploadFileName");
hotelimage.setImageName(request.getParameter("oldUploadFileName"));
StringsavePath=request.getSession().getServletContext().getRealPath("/upload");
try{
hotelimage.setImagePath(URLEncoder.encode(image,"utf-8"));
FileUtils.copyFile(newFile(savePath+"/temp/"+hotelimage.getImagePath()),newFile(savePath+"/hotel/"+hotelimage.getImagePath()));
}catch(Exceptione){
e.printStackTrace();
}
HttpSessionsession=request.getSession();
//验证用户是否已登录
if(session.getAttribute("AdminSession")!=null){
UserInfouserInfo=(UserInfo)session.getAttribute("AdminSession");
if(userInfo!=null){
hotelimage.setUploadUserId(Integer.parseInt(userInfo.getId()));
}
}
else{
hotelimage.setUploadUserId(0);
}
hotelimage.setHotelId(hotelId);
hotelimage.setImageType(imageType);
hotelimage.setImageDesc(content);
intt=hotelImageService.addHotelImageService(hotelimage);
if(t<=0){
return"error";
}
hotelId="0";
imageType="0";
imageTitle="";
}
catch(Exceptionex){
ex.printStackTrace();
return"error";
}
return"success";
}
publicStringgoEditImage(){
Stringid=request.getParameter("id");
HotelImageimage=hotelImageService.getImageByID(Long.valueOf(id));
List<HotelInfo>hotels=hotelImageService.queryHotelListService(hotelInfo);
request.setAttribute("hotels",hotels);
request.setAttribute("image",image);
if("audit".equals(request.getParameter("type"))){
return"audit";
}
return"success";
}
publicStringeditImage(){
try{
hotelimage=newHotelImage();
hotelimage.setImageTitle(imageTitle);
Stringimage=request.getParameter("uploadFileName");
hotelimage.setImageName(request.getParameter("oldUploadFileName"));
StringsavePath=request.getSession().getServletContext().getRealPath("/upload");
try{
hotelimage.setImagePath(URLEncoder.encode(image,"utf-8"));
if(!"0".equals(request.getParameter("upload"))){
FileUtils.copyFile(newFile(savePath+"/temp/"+hotelimage.getImagePath()),newFile(savePath+"/hotel/"+hotelimage.getImagePath()));
}
}catch(Exceptione){
e.printStackTrace();
}
HttpSessionsession=request.getSession();
//验证用户是否已登录
if(session.getAttribute("AdminSession")!=null){
UserInfouserInfo=(UserInfo)session.getAttribute("AdminSession");
if(userInfo!=null){
hotelimage.setUploadUserId(Integer.parseInt(userInfo.getId()));
}
}
else{
hotelimage.setUploadUserId(0);
}
hotelimage.setHotelId(hotelId);
hotelimage.setImageType(imageType);
hotelimage.setImageDesc(content);
hotelimage.setImageId(imageId);
intt=hotelImageService.updateImage(hotelimage);
if(t<=0){
return"error";
}
hotelId="0";
imageType="0";
imageTitle="";
}
catch(Exceptionex){
ex.printStackTrace();
return"error";
}
returnActionSupport.SUCCESS;
}
publicStringauditImage(){
HttpServletRequestrequest=ServletActionContext.getRequest();
HttpSessionsession=request.getSession();
UserInfouserInfo=(UserInfo)session.getAttribute("AdminSession");
HotelImageimage=newHotelImage();
image.setImageId(imageId);
image.setAudit_flag(request.getParameter("audit_flag"));
image.setAudit_fault_reson(request.getParameter("audit_fault_reason"));
image.setAudit_user(Integer.valueOf(userInfo.getId()));
hotelImageService.auditImage(image);
returnActionSupport.SUCCESS;
}
publicStringdeleteImage(){
HttpServletRequestrequest=ServletActionContext.getRequest();
String[]ids=request.getParameterValues("checkedIds");
StringnewsIds=StringUtils.join(ids,",");
hotelImageService.deleteImageByIds(newsIds);
return"success";
}
publicStringgetGallerialImage(){
HotelImageimage=newHotelImage();
image.setStartRow(1);
image.setPageSize(20);
Stringpath=request.getContextPath()+"/upload/hotel/";
List<HotelImage>list=hotelImageService.getImageList(image);
List<GalleriaImage>galleriaImages=newArrayList<GalleriaImage>();
GalleriaImagegalleriaImage=null;
for(inti=0;i<list.size();i++){
galleriaImage=newGalleriaImage();
image=list.get(i);
galleriaImage.setDescription(image.getImageDesc());
galleriaImage.setImage(path+image.getImagePath());
galleriaImage.setTitle(image.getImageTitle());
galleriaImages.add(galleriaImage);
}
JSONArrayjo=JSONArray.fromObject(galleriaImages);
json=jo.toString();
return"success";
}
}
//gettersetter略