springmvc, mybatis, spring项目整合实例.

package com.jing.action; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import javax.validation.Valid; import org.springframework.stereotype.Controller; import org.springframework.validation.BindingResult; import org.springframework.validation.Errors; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.multipart.MultipartHttpServletRequest; import org.springframework.web.multipart.MultipartResolver; import org.springframework.web.multipart.commons.CommonsMultipartResolver; import com.jing.model.User; import com.jing.service.UserService; @Controller @RequestMapping("/user") public class UserAction { @Resource(name = "userService") private UserService userService; // 数据校验 @RequestMapping(value = "/add.do") public String add(@Valid @ModelAttribute("user") User user, BindingResult result) { System.out.println(user); if (result.hasErrors()) { return "user/error"; } // userService.addUser(user); return "user/success"; } @RequestMapping("/formTag.do") public String formTag(Map<String, Object> map) { // 添加user User user = new User(); user.setId("2222"); user.setName("丽丽"); user.setMale(true); user.setBirthday(new Date()); user.setSex(1); List<String> roles = new ArrayList<String>(); roles.add("role1"); roles.add("role2"); user.setRoles(roles); map.put("user", user); // 添加roleList列表 List<String> roleList = new ArrayList<String>(); roleList.add("role1"); roleList.add("role2"); roleList.add("role3"); map.put("roleList", roleList); // 添加roleMap集合 Map<String, String> roleMap = new HashMap<String, String>(); roleMap.put("role1", "角色1"); roleMap.put("role2", "角色2"); roleMap.put("role3", "角色3"); map.put("roleMap", roleMap); // 加入ballmap Map<String, String> radioMap = new HashMap<String, String>(); radioMap.put("1", "篮球"); radioMap.put("2", "足球"); radioMap.put("3", "羽毛球"); map.put("radioMap", radioMap); return "user/formTag"; } /* * 文件上传有2种方式: * 1: 自己获得request, 解析 * 2: 配置bean, spring自动帮助我们解析 */ // 文件上传: 解析request方式 @RequestMapping("/upload_1.do") public String upload_1(HttpServletRequest request) throws Exception { // 将请求转换为multipart请求 MultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext()); if (multipartResolver.isMultipart(request)) { MultipartHttpServletRequest multipartRequest = multipartResolver.resolveMultipart(request); // 解析 Iterator<String> fileNames = multipartRequest.getFileNames(); multipartRequest.setCharacterEncoding("utf-8"); while (fileNames.hasNext()) { MultipartFile multipartFile = multipartRequest.getFile(fileNames.next()); if (null != multipartFile) { String fileName = request.getSession().getServletContext().getRealPath("/upload") + File.separator + multipartFile.getOriginalFilename(); multipartFile.transferTo(new File(fileName)); } } } return "/user/uploadSuccess"; } // 文件上传: 自动注入方式 @RequestMapping("/upload_2.do") public String upload_2(@RequestParam("file") MultipartFile multipartFile, HttpServletRequest request) throws Exception { if (null != multipartFile) { String fileName = request.getSession().getServletContext().getRealPath("/upload") + File.separator + multipartFile.getOriginalFilename(); multipartFile.transferTo(new File(fileName)); } return "/user/uploadSuccess"; } }