springMVC+ibatis整合实例

package cn.bainaonline.csm.cswarn.controller; import java.io.IOException; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import javax.validation.Valid; import org.apache.commons.io.FileUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Controller; import org.springframework.validation.BindingResult; import org.springframework.web.bind.annotation.PathVariable; 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.multipart.MultipartFile; import org.springframework.web.servlet.ModelAndView; import cn.bainaonline.csm.cswarn.model.User; import cn.bainaonline.csm.cswarn.model.User1; import cn.bainaonline.csm.cswarn.service.UserService; import cn.bainaonline.csm.cswarn.util.Pages; @Controller @RequestMapping("/user/*") public class UserController { @Autowired @Qualifier("userServiceImpl") private UserService userService; private final String LIST="redirect:/user/list/1"; @RequestMapping(value="/add", method=RequestMethod.POST) public String addUser(User1 user, @RequestParam MultipartFile[] myfiles, HttpServletRequest request) throws IOException{ //如果只是上传一个文件，则只需要MultipartFile类型接收文件即可，而且无需显式指定@RequestParam注解 //如果想上传多个文件，那么这里就要用MultipartFile[]类型来接收文件，并且还要指定@RequestParam注解 //并且上传多个文件时，前台表单中的所有<input type="file"/>的name都应该是myfiles，否则参数里的myfiles无法获取到所有上传的文件 for(MultipartFile myfile : myfiles){ if(myfile.isEmpty()){ System.out.println("文件未上传"); }else{ System.out.println("文件长度: " + myfile.getSize()); System.out.println("文件类型: " + myfile.getContentType()); System.out.println("文件名称: " + myfile.getName()); System.out.println("文件原名: " + myfile.getOriginalFilename()); System.out.println("========================================"); //如果用的是Tomcat服务器，则文件会上传到\\%TOMCAT_HOME%\\webapps\\YourWebProject\\WEB-INF\\upload\\文件夹中 String realPath = request.getSession().getServletContext().getRealPath("/WEB-INF/upload"); //这里不必处理IO流关闭的问题，因为FileUtils.copyInputStreamToFile()方法内部会自动把用到的IO流关掉，我是看它的源码才知道的 // FileUtils.copyInputStreamToFile(myfile.getInputStream(), new File(realPath, myfile.getOriginalFilename())); } } // users.put(user.getUsername(), user); return "redirect:/"; } /** * 登录 * @param user * @param session * @return */ @RequestMapping("/login") public ModelAndView login(){ System.out.println(""+userService.getalleuser().get(0).getUser_name()); return new ModelAndView("/"); } /** * 跳转至添加页 * @return */ @RequestMapping(value="/new",method=RequestMethod.GET) public ModelAndView toAdd(){ return new ModelAndView("user/add"); } /** * 保存 * @param user * @return */ @RequestMapping(value="/new",method=RequestMethod.POST) public ModelAndView add(@Valid User user,BindingResult result){ if(result.hasErrors()){ return new ModelAndView("user/add","error", result.getAllErrors()); }else{ userService.addUser(user); return new ModelAndView(LIST); } } /** * 根据ID删除 * @param id * @return */ @RequestMapping(value="/del/{id}") public ModelAndView delete(@PathVariable int id){ userService.deleteUser(id); return new ModelAndView(LIST); } /** * 跳转至编辑页面 * @param id * @return */ @RequestMapping(value="/edit/{id}") public ModelAndView edit(@PathVariable int id){ User user=userService.getUserById(id); return new ModelAndView("user/edit","user",user); } /** * 编辑 * @param user * @return */ @RequestMapping(value="/edit") public ModelAndView update(@Valid User user,BindingResult result){ ModelAndView view=new ModelAndView(); if(result.hasErrors()){ view.addObject("error", result.getAllErrors()); view.setViewName("user/edit"); return view; }else{ userService.updateUser(user); return new ModelAndView(LIST); } } /** * 分页 * @param pageNo * @return */ @RequestMapping(value="/list/{pageNo}") public ModelAndView list(@PathVariable int pageNo){ Pages<User> pages=userService.getUserByPageNo(pageNo); return new ModelAndView("user/main","pages",pages); } }