pqb79cn6t
/
library-management-system
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Update CategoryController.java

Browse Source
master
pp6vso3t7 2 years ago
parent 9afda2700a
commit 395f002903
1 changed files with 178 additions and 0 deletions
Show Stats Download Patch File Download Diff File

178
src/main/java/com/how2java/tmall/controller/CategoryController.java
Unescape View File

@ -1,3 +1,181 @@
package com.how2java.tmall.controller;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.how2java.tmall.pojo.Category;
import com.how2java.tmall.service.CategoryService;
import com.how2java.tmall.util.ImageUtil;
import com.how2java.tmall.util.Page;
import com.how2java.tmall.util.UploadedImageFile;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.multipart.MultipartFile;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpSession;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.List;
@Controller
@RequestMapping("")
public class CategoryController {
@Autowired
CategoryService categoryService;
@RequestMapping("admin_category_list")
public String list(Model model,Page page){
PageHelper.offsetPage(page.getStart(),page.getCount());
List<Category> cs= categoryService.list();
int total = (int) new PageInfo<>(cs).getTotal();
page.setTotal(total);
model.addAttribute("cs", cs);
model.addAttribute("page", page);
return "admin/listCategory";
}
@RequestMapping("admin_category_add")
public String add(Category c, HttpSession session, UploadedImageFile uploadedImageFile) throws IOException {
categoryService.add(c);
File imageFolder= new File(session.getServletContext().getRealPath("img/category"));
File file = new File(imageFolder,c.getId()+".jpg");
if(!file.getParentFile().exists())
file.getParentFile().mkdirs();
uploadedImageFile.getImage().transferTo(file);
BufferedImage img = ImageUtil.change2jpg(file);
ImageIO.write(img, "jpg", file);
return "redirect:/admin_category_list";
}
@RequestMapping("admin_category_delete")
public String delete(int id,HttpSession session) throws IOException {
categoryService.delete(id);
File imageFolder= new File(session.getServletContext().getRealPath("img/category"));
File file = new File(imageFolder,id+".jpg");
file.delete();
return "redirect:/admin_category_list";
}
@RequestMapping("admin_category_edit")
public String edit(int id,Model model) throws IOException {
Category c= categoryService.get(id);
model.addAttribute("c", c);
return "admin/editCategory";
}
@RequestMapping("admin_category_update")
public String update(Category c, HttpSession session, UploadedImageFile uploadedImageFile) throws IOException {
categoryService.update(c);
MultipartFile image = uploadedImageFile.getImage();
if(null!=image &&!image.isEmpty()){
File imageFolder= new File(session.getServletContext().getRealPath("img/category"));
File file = new File(imageFolder,c.getId()+".jpg");
image.transferTo(file);
BufferedImage img = ImageUtil.change2jpg(file);
ImageIO.write(img, "jpg", file);
}
return "redirect:/admin_category_list";
}
package com.how2java.tmall.controller;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.how2java.tmall.pojo.Category;
import com.how2java.tmall.service.CategoryService;
import com.how2java.tmall.util.ImageUtil;
import com.how2java.tmall.util.Page;
import com.how2java.tmall.util.UploadedImageFile;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.multipart.MultipartFile;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpSession;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.List;
@Controller
@RequestMapping("")
public class CategoryController {
@Autowired
CategoryService categoryService;
@RequestMapping("admin_category_list")
public String list(Model model,Page page){
PageHelper.offsetPage(page.getStart(),page.getCount());
List<Category> cs= categoryService.list();
int total = (int) new PageInfo<>(cs).getTotal();
page.setTotal(total);
model.addAttribute("cs", cs);
model.addAttribute("page", page);
return "admin/listCategory";
}
@RequestMapping("admin_category_add")
public String add(Category c, HttpSession session, UploadedImageFile uploadedImageFile) throws IOException {
categoryService.add(c);
File imageFolder= new File(session.getServletContext().getRealPath("img/category"));
File file = new File(imageFolder,c.getId()+".jpg");
if(!file.getParentFile().exists())
file.getParentFile().mkdirs();
uploadedImageFile.getImage().transferTo(file);
BufferedImage img = ImageUtil.change2jpg(file);
ImageIO.write(img, "jpg", file);
return "redirect:/admin_category_list";
}
@RequestMapping("admin_category_delete")
public String delete(int id,HttpSession session) throws IOException {
categoryService.delete(id);
File imageFolder= new File(session.getServletContext().getRealPath("img/category"));
File file = new File(imageFolder,id+".jpg");
file.delete();
return "redirect:/admin_category_list";
}
@RequestMapping("admin_category_edit")
public String edit(int id,Model model) throws IOException {
Category c= categoryService.get(id);
model.addAttribute("c", c);
return "admin/editCategory";
}
@RequestMapping("admin_category_update")
public String update(Category c, HttpSession session, UploadedImageFile uploadedImageFile) throws IOException {
categoryService.update(c);
MultipartFile image = uploadedImageFile.getImage();
if(null!=image &&!image.isEmpty()){
File imageFolder= new File(session.getServletContext().getRealPath("img/category"));
File file = new File(imageFolder,c.getId()+".jpg");
image.transferTo(file);
BufferedImage img = ImageUtil.change2jpg(file);
ImageIO.write(img, "jpg", file);
}
return "redirect:/admin_category_list";
}
}
}

Write Preview
Loading…
Cancel
Save