springmvc和mybatis整合的简单用户管理系统

package com.qunar.user.controller; import com.google.common.base.Charsets; import com.google.common.base.Objects; import com.google.common.base.Preconditions; import com.google.common.collect.ImmutableMap; import com.google.common.hash.Hashing; import com.qunar.user.model.Limiter; import com.qunar.user.model.User; import com.qunar.user.service.IUserService; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestBody; 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 qunar.web.spring.annotation.JsonBody; import java.util.Collection; import java.util.Date; import java.util.Map; import javax.annotation.Resource; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * 用户请求处理的controller适应json * * @author jasmine.wei * */ @Controller @RequestMapping("/user") public class UserJsonController { @Resource private IUserService userService; /** * 用户注册 * * @param user * @return */ @RequestMapping(value = "/register.json", method = RequestMethod.POST) @ResponseBody public Map register(@RequestBody User user) { // 设置时间 user.setLastLoginTime(new Date(System.currentTimeMillis())); // 得到插入用户的Id int id = userService.addUser(user); return ImmutableMap.of("status", 200, "msg", "success", "ret", ImmutableMap.of("id", id)); } /** * 用户登录 * * @param userId * @param password * @param response * @return */ @SuppressWarnings("rawtypes") @RequestMapping(value = "/login.json", method = RequestMethod.POST) @JsonBody public Map login(@RequestParam String userId, @RequestParam String password, HttpServletResponse response) { User user = userService.isLogin(userId, password); if (user != null) { // 更新登录时间 user.setLastLoginTime(new Date(System.currentTimeMillis())); userService.updateUser(user); //用户登录成功设置cookie Cookie id = new Cookie("userId", user.getUserId()); Cookie time = new Cookie("time", user.getLastLoginTime().toString()); String tokenStr = Hashing.md5().hashString(user.getUserId() + "_" + user.getLastLoginTime().toString(), Charsets.UTF_8).toString(); Cookie token = new Cookie("token", tokenStr); response.addCookie(id); response.addCookie(time); response.addCookie(token); return ImmutableMap.of("status", 200, "msg", "success", "userId", user.getId()); } return ImmutableMap.of("msg", "用户名或密码不正确"); } /** * 用户注册post请求 * * @param user * @return */ @RequestMapping(value = "/update.json", method = RequestMethod.POST) @JsonBody public Map userUpdate(@RequestBody User user, HttpServletRequest request) { Preconditions.checkNotNull(user); // 实现只有自己可以修改自己 Cookie cookies[] = request.getCookies(); if (cookies != null) { for (Cookie cookie : cookies) { if ("userId".equals(cookie.getName())) { if (Objects.equal(cookie.getValue(), user.getUserId())) { boolean isSuccess = userService.updateUser(user); if (isSuccess) {// 如果更新成功 return ImmutableMap.of("status", 200, "msg", "success"); } } else { return ImmutableMap.of("msg", "无权限修改别人的"); } } } } return ImmutableMap.of("msg", "用户更新失败"); } @RequestMapping(value = "/detail.json", method = RequestMethod.GET) @JsonBody public User detail(@RequestParam String userId) { User user = userService.queryUser(userId); return user; } // 用户列表 @RequestMapping(value = "/users", method = RequestMethod.GET) @JsonBody public Collection<User> list(@RequestParam(value = "start", required = false, defaultValue = "0") int pageNum, @RequestParam(value = "pageSize", required = false, defaultValue = "20") int pageSize) { int start = pageNum * pageSize; return userService.queryUserList(new Limiter(start, pageSize)); } }