spring+springMVC+MyBatis教学视频与源码

package com.ssm.web.controller; import java.util.Date; import java.util.List; import javax.servlet.http.HttpSession; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; 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.ResponseBody; import com.ssm.po.Role; import com.ssm.po.User; import com.ssm.service.RoleService; import com.ssm.service.UserService; /* * 用户控制类 */ @Controller public class UserController { //依赖注入 @Autowired private UserService userService; @Autowired private RoleService roleService; //查询所有状态的全体用户 @RequestMapping(value="/findUserList.action") public String findUserList(String keywords,Integer userListRoleId,Model model){ // 获取角色列表 List<Role> roleList = roleService.findRoleList(); model.addAttribute("roleList", roleList); // 获取用户列表 List<User> userList=userService.findUserList(keywords,userListRoleId); model.addAttribute("userList", userList); model.addAttribute("keywords", keywords); model.addAttribute("userListRoleId", userListRoleId); return "user/user_list"; } //转向添加用户 @RequestMapping(value="/toAddUser.action") public String toAddUser(Model model){ //获取角色列表，用于添加用户页面中的用户角色下拉列表 List<Role> roleList=roleService.findRoleList(); model.addAttribute("roleList", roleList); return "user/add_user"; } //判断登录账号是否已存在 @RequestMapping(value = "/checkLoginName.action") @ResponseBody public User checkLoginName(@RequestBody User user, Model model) { User checkUser = userService.getUserByLoginName(user.getLoginName()); if (checkUser!=null) { //登录账号已存在 return checkUser; }else{ checkUser=new User(); checkUser.setUserId(0); return checkUser; } } //添加用户 @RequestMapping(value = "/addUser.action", method = RequestMethod.POST) public String addUser(User user, Model model) { // 获取角色列表 List<Role> roleList = roleService.findRoleList(); model.addAttribute("roleList", roleList); model.addAttribute("user", user); //检查登录账号是否已存在 User checkUser = userService.getUserByLoginName(user.getLoginName()); if (checkUser!=null) { // 登录账号已存在，重新转回添加用户页面 model.addAttribute("checkUserLoginNameMsg", "登录账号已存在，请重新输入"); return "user/add_user"; }else{ // 登录账号可用 Date date = new Date(); user.setRegisterTime(date); //默认设置用户为启用状态"2" user.setStatus("2"); //调用UserService实例中的添加用户方法 int rows = userService.addUser(user); if (rows > 0) { // 添加成功，转向用户列表页面 return "redirect:findUserList.action"; } else { // 添加失败，重新转回添加用户页面 return "user/add_user"; } } } // 转向修改用户页面 @RequestMapping(value = "/toEditUser.action") public String toEditUser(Integer userId, Model model) { //通过userId获取用户 User user = userService.getUserByUserId(userId); if (user != null) { model.addAttribute("user", user); // 获取角色列表 List<Role> roleList = roleService.findRoleList(); model.addAttribute("roleList", roleList); return "user/edit_user"; }else{ return "redirect:findUserList.action"; } } //修改用户 @RequestMapping(value = "/editUser.action", method = RequestMethod.POST) public String editUser(User user, Model model) { // 获取角色列表 Date date = new Date(); user.setRegisterTime(date); // 默认设置用户为启用状态"2" user.setStatus("2"); int rows = userService.editUser(user); if (rows > 0) { // 添加成功，转向用户列表页面 return "redirect:findUserList.action"; } else { List<Role> roleList = roleService.findRoleList(); model.addAttribute("roleList", roleList); model.addAttribute("user", user); // 修改失败，转回修改用户页面 return "user/edit_user"; } } //删除用户（前台页面中通过ajax方式调用此方法） @RequestMapping(value = "/delUser.action") @ResponseBody public User delUser(@RequestBody User user, Model model) { int rows = userService.delUser(user.getUserId()); if (rows>0) { return user; }else{ //此处设置userId为0，只是作为操作失败的标记用 user.setUserId(0); return user; } } //禁用用户（更新status字段值 为'3'，前台页面中通过ajax方式调用此方法） @RequestMapping(value = "/disableUser.action") @ResponseBody public User disableUser(@RequestBody User user, Model model) { int rows = userService.setUserStatus(user); if (rows>0) { return user; }else{ //此处设置userId为0，只是作为操作失败的标记用 user.setUserId(0); return user; } } //启用用户（更新status字段值 为'2'，前台页面中通过ajax方式调用此方法） @RequestMapping(value = "/enableUser.action") @ResponseBody public User enableUser(@RequestBody User user, Model model) { int rows = userService.setUserStatus(user); if (rows>0) { return user; }else{ //此处设置userId为0，只是作为操作失败的标记用 user.setUserId(0); return user; } } //用户登录 @RequestMapping(value="/login.action",method=RequestMethod.POST) public String login(String loginName,String password,Model model,HttpSession session){ //通过用户名和密码查询用户 User user=userService.findUser(loginName, password); if(user!=null){ if (user.getStatus().equals("2")) { //用户被启用时，允许登录到后台 session.setAttribute("login_user", user); return "main"; } else { //账号未启用或被禁用时，不允许登录到后台 model.addAttribute("msg", "账号未启用或被禁用，请联系管理员！"); return "../../login"; } } //账号或密码错误时，不允许登录到后台 model.addAttribute("msg","账号或密码错误，请重新登录！"); return "../../login"; } //退出登录 @RequestMapping(value="/logout.action") public String logout(HttpSession session){ //清空session session.invalidate(); return "../../login"; } }