package com.whyc.service;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.whyc.dto.Response;
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import com.whyc.mapper.UserMapper;
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import com.whyc.pojo.UserClient;
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import com.whyc.pojo.UserInf;
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import com.whyc.util.ActionUtil;
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import com.whyc.util.DigestsUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.catalina.User;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.ApplicationContext;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import javax.servlet.ServletContext;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@Service
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@Slf4j
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public class UserService {
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@Resource
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private UserMapper userMapper;
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@Resource
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private UserBridgeService userBridgeService;
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@Autowired
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private ApplicationContext applicationContext;
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public Response add(UserInf user) {
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try {
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UserInf userFound = userBridgeService.findPasswordByUserName(user.getUName());
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if (userFound.getUId() != 0) {
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return new Response<>().set(1, false, "用户已存在");
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}
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//user.setCreateTime(new Date());
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Map<String, String> encryptMap = DigestsUtil.encryptPassword(user.getUpassword());
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user.setUpassword(encryptMap.get("password"));
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if (userMapper.insert(user) > 0) {
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return new Response<>().set(1, true);
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} else {
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return new Response<>().set(1, false, "添加失败");
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}
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}catch (Exception e){
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e.printStackTrace();
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return new Response<>().set(0);
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}
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}
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public UserInf getById(int id) {
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return userMapper.selectById(id);
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}
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public List<UserInf> getAll() {
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List<UserInf> users = userMapper.selectList(null);
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return users;
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}
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public IPage<UserInf> getAllWithPage(Page page) {
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return userMapper.selectPage(page, null);
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}
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public boolean update(UserInf user) {
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return userMapper.updateById(user)>0;
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}
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public boolean delete(int id) {
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return userMapper.deleteById(id)>0;
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}
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// 将所有登陆的用户的信息存到application中
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public void setApplication(UserInf user) {
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ServletContext application = ActionUtil.getApplication();
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//查看全局中存储的users的Map的key-value集合
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Map<String, UserClient> map = (Map) application.getAttribute("users");
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if (map == null) {
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map = new HashMap<String, UserClient>();
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} else {
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//如果集合中有值,则获取当前用户对应的用户信息,key为用户名username,Value为用户名,存储的时间
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UserClient client = map.get(user.getUName());
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if (client != null) { //已存在
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map.remove(user.getUName());
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}
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}
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Long login_time = new Date().getTime();
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ActionUtil.getSession().setAttribute("login_time", login_time);
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map.put(user.getUName(), new UserClient(ActionUtil.getRequest().getRemoteAddr(),user,login_time));
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application.setAttribute("users", map);
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}
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}
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