求助----返回前一个页面
这是个弹窗，在这里进行后台验证，弹出下面的提示后怎么返回这个弹窗呢？
代码在这里：
public ModelAndView addStory(HttpServletRequest req, HttpServletResponse res){
HashMap model = new HashMap();
String[] tagids = req.getParameterValues("tagid");
String[] ftagids = req.getParameterValues("ftagid");
String sid = (req.getParameter("sid")==null)?"":req.getParameter("sid");
String content=(req.getParameter("content")==null)?"":req.getParameter("content");
String forumTitle=(req.getParameter("forumTitle")==null)?"":req.getParameter("forumTitle");
String u_tag=(req.getParameter("u_tag")==null)?"":req.getParameter("u_tag");
String mfilepath=(req.getParameter("mfilepath")==null)?"":req.getParameter("mfilepath");
String ip=mytools.getIpAddr(req);
long ipAddr =mytools.ipToLong(ip);
TbUserOperaLog log =new TbUserOperaLog();
String remark="";
String location ="/storyList.do";
HttpSession session = req.getSession();
TbUser user = (TbUser)session.getAttribute("_currentUser");
if(user==null | session==null){
String msg="請先登錄!";
model.put("msg", msg);
if(!sid.equals("")){
model.put("location", "/forumList.do?sid="+sid);
return new ModelAndView(this.showMessageView,model);
}
model.put("location", location);
return new ModelAndView(this.showMessageView,model);
}
TbForumPost tbForumPost = new TbForumPost ();
tbForumPost.setContents(content);
if(mfilepath==""){
tbForumPost.setIsphoto(0);
}else{
tbForumPost.setIsphoto(1);
}
tbForumPost.setTitle(forumTitle);
tbForumPost.setTypeid(Integer.parseInt(ObjectType.ForumPost.getCode()));
tbForumPost.setUid(user.getId());
tbForumPost.setStatus(Integer.parseInt(AuditStatus.Auditing.getCode()));
tbForumPost.setIsgood(0);
tbForumPost.setReplies(0);
tbForumPost.setClick_num(0);
tbForumPost.setLast_ip(ipAddr);
tbForumPost.setLast_r_time(new Date());
tbForumPost.setCreateTime(new Date());
int fcount = forumPostService.addForumPost(tbForumPost);
if(fcount>0 ){
if(!mfilepath.equals("")){
TbPhotoPath tp = new TbPhotoPath();
tp.setCreateTime(new Date());
tp.setP_path(mfilepath);
tp.setStatus(Integer.parseInt(AuditStatus.Auditing.getCode()));
int ppcount = photoPathService.addPhotoPath(tp);
if(ppcount>0){
TbPhotoRelation tr = new TbPhotoRelation();
tr.setCreateTime(new Date());
tr.setObject_type(Integer.parseInt(PhotoObjectType.ForumPostPhoto.getCode()));
tr.setPhoto_id(ppcount);
tr.setObject_id(fcount);
photoRelationService.addPhotoRelation(tr);
}
log.setUid(user.getId());
log.setCreatetime(new Date());
Date date =new Date();
log.setIp(ipAddr);
log.setOperate(Integer.parseInt(UserOper.ForumPublish.getCode()));
remark=user.getAccount()+"于"+date+"添加了論題《"+forumTitle+"》";
log.setRemark(remark);
userOperaLogService.addUserOperaLog(log);
}
/*if(!url.equals("")){
TbPhotoPath tp = new TbPhotoPath();
tp.setCreateTime(new Date());
tp.setP_path(url);
tp.setStatus(Integer.parseInt(AuditStatus.Auditing.getCode()));
int ppcount = photoPathService.addPhotoPath(tp);
if(ppcount>0){
TbPhotoRelation tr = new TbPhotoRelation();
tr.setCreateTime(new Date());
tr.setObject_type(Integer.parseInt(PhotoObjectType.ForumPostPhoto.getCode()));
tr.setPhoto_id(ppcount);
tr.setObject_id(fcount);
}
}*/
TbTag tag = new TbTag();
String tg="";
String[] tagarr= u_tag.split(",");
if(tagarr.length>=2 && tagarr.length<=3){
for(int i=0;i<tagarr.length;i++){
if(tagarr[i].length()<=20 && tagarr[i].length()>0){
tg=tagarr[i].trim();
boolean a=tagService.isExist(tg);
if(a){
tag.setTag(tg);
List<TbTag> tgList=tagService.getTagList(tag, "id desc", 1, 10);
if(tgList.size()>0){
tag.setId(tgList.get(0).getId());
tag.setUse_num(tgList.get(0).getUse_num()+1);
tagService.modifyTag(tag);
}
}else{
tag.setTag(tg);
tag.setCreatetime(new Date());
tag.setType(2);
tag.setClick_num(0);
tag.setUse_num(1);
tag.setStatus(2);
int tagid=tagService.addTag(tag);
if(tagid>0){
TbTagRelation tagRelation =new TbTagRelation();
tagRelation.setTagid(tagid);
tagRelation.setObject_type(Integer.parseInt(TagObjectType.ForumPostTag.getCode()));
tagRelation.setObject_id(fcount);
tagRelation.setTagtype(2);
tagRelation.setCreatetime(new Date());
tagRelationService.addTagRelation(tagRelation);
log.setUid(user.getId());
log.setCreatetime(new Date());
Date date =new Date();
log.setIp(ipAddr);
log.setOperate(Integer.parseInt(UserOper.TagPublish.getCode()));
remark=user.getAccount()+"于"+date+"手工添加了標籤《"+tg+"》";
log.setRemark(remark);
userOperaLogService.addUserOperaLog(log);
}
}
}
if(tagarr[i].length()>20){
model.put("msg", "標籤長度不能超過20!");
model.put("location", location);
return new ModelAndView(this.showMessageView,model);
}
}
}
if(tagarr.length>3){
model.put("msg", "最多只能輸入三個標籤!");
model.put("location", location);
return new ModelAndView(this.showMessageView,model);
}
if(tagarr.length<2){
model.put("msg", "至少輸入2個標籤!");
model.put("location", location);
return new ModelAndView(this.showMessageView,model);
}
if(ftagids==null){
model.put("msg", "至少選擇一個固定父標籤!");
model.put("location", location);
return new ModelAndView(this.showMessageView,model);
}
if(ftagids!=null){
for(String f : ftagids){
if(!f.equals("")){
TbTagRelation ttr = new TbTagRelation();
//ttr.setCreatetime(new Date());
ttr.setObject_id(fcount);
ttr.setObject_type(Integer.parseInt(ObjectType.ForumPost.getCode()));
ttr.setTagid(Integer.parseInt(f));
ttr.setTagtype(1);
List<TbTagRelation>ttrList = tagRelationService.getTagRelationList(ttr, "id desc", 1, 1);
if(ttrList.size()>0){
}else{
ttr.setCreatetime(new Date());
tagRelationService.addTagRelation(ttr);
}
TbTag tag2 =tagService.getTagById(Integer.parseInt(f));
TbTag tag1 = new TbTag();
if(tag2.getUse_num()==null){
tag1.setUse_num(1);
}else{
tag1.setUse_num(tag2.getUse_num()+1);
}
tag1.setClick_num(0);
tag1.setType(1);
tag1.setId(Integer.parseInt(f));
tagService.modifyTag(tag1);
log.setUid(user.getId());
log.setCreatetime(new Date());
Date date =new Date();
log.setIp(ipAddr);
log.setOperate(Integer.parseInt(UserOper.TagPublish.getCode()));
remark=user.getAccount()+"于"+date+"使用了 固定標籤《"+tag2.getTag()+"》";
log.setRemark(remark);
userOperaLogService.addUserOperaLog(log);
}
}
}
model.put("msg", "發表成功，請等候管理員審核！");
model.put("location", location);
return new ModelAndView(this.showMessageView,model);
}else{
model.put("msg", "操作失敗");
model.put("location", location);
return new ModelAndView(this.showMessageView,model);
}
}
真心求助 java 返回前一个页面
[解决办法]
弹出失败信息后，直接输出javascript代码history.go(-1)
[解决办法]
