Struts2 Spring Hibernate IBatis

package com.bf.action; import java.util.List; import com.bf.base.action.BaseAction; import com.bf.bean.User; import com.bf.service.UserSerivce; public class UserAction extends BaseAction { private User user = new User(); /** * */ private static final long serialVersionUID = 7937578379081671852L; private UserSerivce userService; private List<User> queryAll; public String indexAdd() { user.setId(0); return this.success; } /** * 保存数据. * * @return String. * */ public String save() throws Exception { if (null == user.getUsername() || "".equals(user.getUsername())) { this.addActionError("对不起，用户名不能为空！"); return this.input; } int count = this.userService.getUserByUserName(user).size(); if (count > 0) { user.setId(0); this.addActionError("对不起，`" + user.getUsername() + "` 已经存在！"); return this.input; } else { userService.save(user); return this.success; } } /** * * 列表所有用户 * * @return String. * * @throws Exception */ @SuppressWarnings("unchecked") public String queryAll() throws Exception { queryAll = (List<User>) this.userService.queryAll(null); return this.success; } /** * * 修改用户. * * @param obj. */ public String update() { this.userService.update(user); return this.success; } /** * * 删除用户. * * @param obj. */ public String delete() { this.userService.delete(user.getId()); return this.success; } /** * * 根据ID查询用户. * */ public String getUserById() { user = this.userService.getObject(user.getId()); return this.success; } public UserSerivce getUserService() { return userService; } public void setUserService(UserSerivce userService) { this.userService = userService; } public User getUser() { return user; } public void setUser(User user) { this.user = user; } public List<User> getQueryAll() { return queryAll; } public void setQueryAll(List<User> queryAll) { this.queryAll = queryAll; } }