Spring+SpringMVC+MyBatis项目参考案例（三合一）

package com.bdqn.controller; import java.io.File; import java.io.IOException; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.servlet.ModelAndView; import com.bdqn.pojo.Code; import com.bdqn.pojo.Paper; import com.bdqn.pojo.User; import com.bdqn.service.CodeService; import com.bdqn.service.PaperService; @Controller @RequestMapping("") public class PaperController { @Autowired PaperService paperService; @Autowired CodeService codeService; @RequestMapping("toMain") public ModelAndView toMain(HttpServletRequest request) { Object user = request.getSession().getAttribute("user"); ModelAndView mav = new ModelAndView(); if(user==null) { mav.setViewName("redirect:/toLogin"); }else { mav.setViewName("main"); } return mav; } @RequestMapping("listPaper") public ModelAndView listPaper(HttpServletRequest request) { ModelAndView mav = new ModelAndView(); String title = request.getParameter("title"); String type = request.getParameter("type"); String pageNum = request.getParameter("pageNum"); if(title==null) { title = ""; } if(type==null) { type = "0"; } if(pageNum==null||"".equals(pageNum)||"-1".equals(pageNum)) { pageNum = "0"; } Map<String, Object> result = paperService.list(title,Integer.parseInt(type),Integer.parseInt(pageNum)); List<Code> codeList = codeService.getBy("02"); result.put("pageNum", pageNum); result.put("title", title); result.put("type", type); result.put("typeList", codeList); mav.addObject("result", result); mav.setViewName("paperList"); return mav; } @RequestMapping(value="/toAdd",method=RequestMethod.GET) public ModelAndView toAdd() { ModelAndView mav = new ModelAndView(); List<Code> codeList = codeService.getBy("02"); mav.addObject("codeList", codeList); mav.setViewName("add"); return mav; } @RequestMapping(value="/toUpdate",method=RequestMethod.GET) public ModelAndView toUpdate(HttpServletRequest request) { String id = request.getParameter("id"); ModelAndView mav = new ModelAndView(); List<Code> codeList = codeService.getBy("02"); Map<String, Object> result = paperService.get(Integer.parseInt(id)); mav.addObject("codeList", codeList); mav.addObject("paper",result); mav.setViewName("update"); return mav; } @RequestMapping(value="/deletePaper",method=RequestMethod.GET) public String deletePaper(HttpServletRequest request) { String id = request.getParameter("id"); paperService.delete(Integer.parseInt(id)); return "redirect:/listPaper"; } @ResponseBody @RequestMapping(value="/hasTitle",method=RequestMethod.GET) public String hasTitle(HttpServletRequest request) { String title = request.getParameter("title"); int result = paperService.hasTitle(title); return result+""; } @RequestMapping(value="/add",method=RequestMethod.POST) public String add(@ModelAttribute Paper paper,@RequestParam("file") MultipartFile file,HttpServletRequest request) { String filePath = ""; String filename = ""; if(!file.isEmpty()) { String path = request.getServletContext().getRealPath("/images/"); filename = file.getOriginalFilename(); File filepath = new File(path,filename); if (!filepath.getParentFile().exists()) { filepath.getParentFile().mkdirs(); } try { filePath = path + File.separator + filename; file.transferTo(new File(filePath)); } catch (IllegalStateException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } User user = (User)request.getSession().getAttribute("user"); paper.setCreatedBy(user.getUserName()); paper.setPaperPath(filePath); paper.setFileName(filename); paperService.add(paper); return "redirect:/listPaper"; } }