Java Code Examples for com.github.pagehelper.PageInfo#getPages()
The following examples show how to use
com.github.pagehelper.PageInfo#getPages() .
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Example 1
| Source File: ResultData.java From java-tutorial with MIT License | 5 votes |
|
public ResultData(PageInfo info) {
this.totalNum = (int) info.getTotal();
this.pageNum = info.getPageNum();
this.totalPage = info.getPages();
this.items = info.getList();
this.isMore = info.getPageNum() < info.getPages();
}
Example 2
| Source File: TripController.java From newblog with Apache License 2.0 | 5 votes |
|
@RequestMapping("/ajaxpic")
public void ajaxpic(HttpServletRequest request, HttpServletResponse response) throws IOException {
String page = request.getParameter("page");
Integer pagenum;
if (StringUtils.isEmpty(page)) {
pagenum = 1;
} else {
pagenum = Integer.parseInt(page);
}
PageHelper.startPage(pagenum, 15);
List<Image> lists = imageService.getAllImage();
PageInfo<Image> images = new PageInfo<>(lists);
Gson gson = new Gson();
JsonArray jsonArray = new JsonArray();
for (Image image : images.getList()) {
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty("photo_id", image.getImageid());
jsonObject.addProperty("unm", image.getImagename());
jsonObject.addProperty("uid", image.getImageid());
jsonObject.addProperty("ava", image.getImagepath());
jsonObject.addProperty("isrc", image.getImagepath());
jsonObject.addProperty("id", image.getImageid());
jsonObject.addProperty("msg", image.getContent());
jsonObject.addProperty("iht", image.getIht());
jsonArray.add(jsonObject);
}
long totalcount = images.getPages();
String temp = ",\"totalcount\":" + String.valueOf(totalcount) + ",\"has_next\":" +
String.valueOf(pagenum < totalcount) + "";
String str = gson.toJson(jsonArray);
String json = "{\"data\":{\"blogs\":" + str + ",\"hasrp\":true,\"pgsource\":" +
"\"_\",\"nopth\":false" + temp + "},\"success\":true}";
response.getWriter().write(json);
}
Example 3
| Source File: IndexController.java From newblog with Apache License 2.0 | 5 votes |
|
/**
* 首页
*
* @param request
* @return
* @throws Exception
*/
@RequestMapping("/")
public ModelAndView first(HttpServletRequest request) throws Exception {
String page = request.getParameter("pagenum");
Integer pagenum;
if (StringUtils.isEmpty(page)) {
pagenum = 1;
} else {
pagenum = Integer.parseInt(page);
}
PageHelper.startPage(pagenum, 15);
ModelAndView mav = new ModelAndView();
List<Blog> lists = blogService.getAllBlog();
List<Blog> banners = blogService.getBanner();
PageInfo<Blog> blogs = new PageInfo<>(lists);
Integer startpage, endpage;
if (blogs.getPages() < 6) {
startpage = 1;
endpage = blogs.getPages();
} else {
if (pagenum > 3) {
startpage = blogs.getPageNum() - 3;
endpage = blogs.getPageNum() + 3 > blogs.getPages() ? blogs.getPages() : blogs.getPageNum() + 3;
} else {
startpage = 1;
endpage = blogs.getPageNum() + 4;
}
}
List<Blog> hotblogs = blogService.getByHits();
mav.addObject("startpage", startpage);
mav.addObject("endpage", endpage);
mav.addObject("hotblogs", hotblogs);
mav.addObject("blogs", blogs.getList());
mav.addObject("totalpages", blogs.getPages());
mav.addObject("pageNum", blogs.getPageNum());
mav.addObject("banners", banners);
mav.setViewName("index");
return mav;
}
Example 4
| Source File: IndexController.java From newblog with Apache License 2.0 | 5 votes |
|
/**
* 首页
*
* @param request
* @return
* @throws Exception
*/
@RequestMapping("/index")
public ModelAndView index(HttpServletRequest request) throws Exception {
String page = request.getParameter("pagenum");
Integer pagenum;
if (StringUtils.isEmpty(page)) {
pagenum = 1;
} else {
pagenum = Integer.parseInt(page);
}
PageHelper.startPage(pagenum, 15);
ModelAndView mav = new ModelAndView();
List<Blog> lists = blogService.getAllBlog();
List<Blog> banners = blogService.getBanner();
PageInfo<Blog> blogs = new PageInfo<>(lists);
Integer startpage, endpage;
if (blogs.getPages() < 6) {
startpage = 1;
endpage = blogs.getPages();
} else {
if (pagenum > 3) {
startpage = blogs.getPageNum() - 3;
endpage = blogs.getPageNum() + 3 > blogs.getPages() ? blogs.getPages() : blogs.getPageNum() + 3;
} else {
startpage = 1;
endpage = blogs.getPageNum() + 4;
}
}
List<Blog> hotblogs = blogService.getByHits();
mav.addObject("startpage", startpage);
mav.addObject("endpage", endpage);
mav.addObject("hotblogs", hotblogs);
mav.addObject("blogs", blogs.getList());
mav.addObject("totalpages", blogs.getPages());
mav.addObject("pageNum", blogs.getPageNum());
mav.addObject("banners", banners);
mav.setViewName("index");
return mav;
}
Example 5
| Source File: BaseController.java From maintain with MIT License | 5 votes |
|
private List<Integer> buildPageList(PageInfo pageInfo) {
List<Integer> pageList = new ArrayList<Integer>();
if (3 >= pageInfo.getPageNum()) {
for (int i = 1; i <= pageInfo.getPages() && i <= 5; i++) {
pageList.add(i);
}
} else {
if (2 < pageInfo.getPages() - pageInfo.getPageNum()) {
pageList.add(pageInfo.getPageNum() - 2);
pageList.add(pageInfo.getPageNum() - 1);
pageList.add(pageInfo.getPageNum());
pageList.add(pageInfo.getPageNum() + 1);
pageList.add(pageInfo.getPageNum() + 2);
} else {
if (5 <= pageInfo.getPages()) {
pageList.add(pageInfo.getPages() - 4);
pageList.add(pageInfo.getPages() - 3);
pageList.add(pageInfo.getPages() - 2);
pageList.add(pageInfo.getPages() - 1);
pageList.add(pageInfo.getPages());
} else {
pageList.add(1);
pageList.add(2);
pageList.add(3);
pageList.add(4);
}
}
}
return pageList;
}
Example 6
| Source File: BlogController.java From newblog with Apache License 2.0 | 4 votes |
|
@RequestMapping("/tech")
public ModelAndView to_show_article(HttpServletRequest request) { //博客主页
ModelAndView modelAndView = new ModelAndView();
String page = request.getParameter("pagenum");
String categoryid = request.getParameter("categoryid");
String t_id = request.getParameter("tid");
Integer pagenum;
if (StringUtils.isEmpty(page)) {
pagenum = 1;
} else {
pagenum = Integer.parseInt(page);
}
PageHelper.startPage(pagenum, 15);
List<Blog> lists;
if (StringUtils.isNotEmpty(categoryid)) {
lists = blogService.getByCategoryId(Integer.parseInt(categoryid));
Category category = categoryService.selectByPrimaryKey(Integer.parseInt(categoryid));
modelAndView.addObject("category", category);
} else if (StringUtils.isNotEmpty(t_id)) {
lists = blogService.getBlogByTagId(Integer.parseInt(t_id));
Tag tag = blogService.getTagByTid(Integer.parseInt(t_id));
modelAndView.addObject("tag", tag);
} else {
lists = blogService.getAllTechBlog();
}
for (Blog list : lists) {
try {
int category_id = list.getCategoryid();//bug fix 2017-11-13
list.setCategory(categoryService.selectByPrimaryKey(category_id));
} catch (Exception e) {
logger.error("分类设置" + e);
}
}
PageInfo<Blog> blogs = new PageInfo<>(lists);
Integer startpage, endpage;
if (blogs.getPages() < 6) {
startpage = 1;
endpage = blogs.getPages();
} else {
if (pagenum > 3) {
startpage = blogs.getPageNum() - 3;
endpage = blogs.getPageNum() + 3 > blogs.getPages() ? blogs.getPages() : pagenum + 3;
} else {
startpage = 1;
endpage = blogs.getPageNum() + 4 > blogs.getPages() ? blogs.getPages() : pagenum + 4;
}
}
modelAndView.addObject("startpage", startpage);
modelAndView.addObject("endpage", endpage);
modelAndView.addObject("blogs", blogs.getList());
modelAndView.addObject("totalpages", blogs.getPages());
modelAndView.addObject("pageNum", blogs.getPageNum());
modelAndView.setViewName("tech");
return modelAndView;
}
Example 7
| Source File: BlogController.java From newblog with Apache License 2.0 | 4 votes |
|
@RequestMapping(value = "/search")
public ModelAndView search(
@RequestParam(value = "keyword", required = false) String keyword,
@RequestParam(value = "pagenum", required = false) Integer pagenum) {
ModelAndView modelAndView = new ModelAndView();
try {
if (pagenum == null) {
pagenum = 1;
}
List<Blog> lists = blogService.getLuceneBlog(pagenum, keyword, 10);
PageHelper.startPage(pagenum, 10);
PageInfo<Blog> blogs = new PageInfo<>(lists);
blogs.setPageSize(10);
blogs.setSize(10);
blogs.setPages(lists.size() / 10 == 0 ? lists.size() / 10 : lists.size() / 10 + 1);
Integer startpage, endpage;
if (blogs.getPages() < 6) {
startpage = 1;
endpage = blogs.getPages();
} else {
if (pagenum > 3) {
startpage = blogs.getPageNum() - 3;
endpage = blogs.getPageNum() + 3;
} else {
startpage = 1;
endpage = blogs.getPageNum() + 4;
}
}
modelAndView.addObject("startpage", startpage);
modelAndView.addObject("endpage", endpage);
modelAndView.addObject("blogs", blogs.getList());
modelAndView.addObject("totalpages", blogs.getPages());
modelAndView.addObject("pageNum", pagenum);
modelAndView.addObject("keyword", keyword);
modelAndView.setViewName("searchresult");
} catch (Exception e) {
e.printStackTrace();
logger.error("search" + e);
}
return modelAndView;
}
Example 8
| Source File: CategoryController.java From newblog with Apache License 2.0 | 4 votes |
|
@RequestMapping("/getbycategoryid")
public ModelAndView getbycategoryid(HttpServletRequest request, HttpServletResponse response) {
ModelAndView modelAndView = new ModelAndView();
Integer cid = Integer.parseInt(request.getParameter("cid"));
String page = request.getParameter("pagenum");
String categoryid = request.getParameter("categoryid");
String t_id = request.getParameter("tid");
if (cid == 0) {
try {
response.sendRedirect("life.html");
} catch (IOException e) {
logger.error("getbycategoryid", e);
}
}
Integer pagenum;
if (StringUtils.isEmpty(page)) {
pagenum = 1;
} else {
pagenum = Integer.parseInt(page);
}
PageHelper.startPage(pagenum, 15);
List<Blog> lists = blogService.getByCategoryId(cid);
PageInfo<Blog> blogs = new PageInfo<>(lists);
Integer startpage, endpage;
if (blogs.getPages() < 6) {
startpage = 1;
endpage = blogs.getPages();
} else {
if (pagenum > 3) {
startpage = blogs.getPageNum() - 3;
endpage = blogs.getPageNum() + 3 > blogs.getPages() ? blogs.getPages() : pagenum + 3;
} else {
startpage = 1;
endpage = blogs.getPageNum() + 4 > blogs.getPages() ? blogs.getPages() : pagenum + 4;
}
}
modelAndView.addObject("startpage", startpage);
modelAndView.addObject("endpage", endpage);
modelAndView.addObject("blogs", blogs.getList());
modelAndView.addObject("totalpages", blogs.getPages());
modelAndView.addObject("pageNum", blogs.getPageNum());
modelAndView.setViewName("tech");
return modelAndView;
}
Example 9
| Source File: LifeController.java From newblog with Apache License 2.0 | 4 votes |
|
@RequestMapping("/life")
public ModelAndView toshowarticle(HttpServletRequest request) { //生活笔记
String page = request.getParameter("pagenum");
String categoryid = request.getParameter("categoryid");
String t_id = request.getParameter("tid");
Integer pagenum;
if (StringUtils.isEmpty(page)) {
pagenum = 1;
} else {
pagenum = Integer.parseInt(page);
}
PageHelper.startPage(pagenum, 15);
List<Blog> lists;
if (StringUtils.isEmpty(categoryid)) {
lists = blogService.getLife();
} else if (!StringUtils.isEmpty(t_id)) {
lists = blogService.getBlogByTagId(Integer.parseInt(t_id));
} else {
lists = blogService.getByCategoryId(Integer.parseInt(categoryid));
}
ModelAndView modelAndView = new ModelAndView();
for (Blog list : lists) {
try {
int category_id = lists.get(0).getCategoryid();
list.setCategory(categoryService.selectByPrimaryKey(category_id));
} catch (Exception e) {
logger.error("datetimeparse error" + e);
}
}
if (categoryid != null && !categoryid.equals("")) {
Category category = categoryService.selectByPrimaryKey(Integer.parseInt(categoryid));
modelAndView.addObject("category", category);
} else {
if (t_id != null) {
Tag tag = blogService.getTagByTid(Integer.parseInt(t_id));
modelAndView.addObject("tag", tag);
}
}
PageInfo<Blog> blogs = new PageInfo<>(lists);
Integer startpage, endpage;
if (blogs.getPages() < 6) {
startpage = 1;
endpage = blogs.getPages();
} else {
if (pagenum > 3) {
startpage = blogs.getPageNum() - 3;
endpage = blogs.getPageNum() + 3 > blogs.getPages() ? blogs.getPages() : pagenum + 3;
} else {
startpage = 1;
endpage = blogs.getPageNum() + 4 > blogs.getPages() ? blogs.getPages() : pagenum + 4;
}
}
modelAndView.addObject("startpage", startpage);
modelAndView.addObject("endpage", endpage);
modelAndView.addObject("blogs", blogs.getList());
modelAndView.addObject("totalpages", blogs.getPages());
modelAndView.addObject("pageNum", blogs.getPageNum());
modelAndView.setViewName("life");
return modelAndView;
}
