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src/main/java/com/szxgl/pars2021/service/impl/UserServiceImpl.java

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+package com.szxgl.pars2021.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
+import com.szxgl.pars2021.entity.UserDO;
+import com.szxgl.pars2021.entity.UserWorks;
+import com.szxgl.pars2021.entity.WxMpUser;
+import com.szxgl.pars2021.mapper.UserMapper;
+import com.szxgl.pars2021.mapper.UserMapper2;
+import com.szxgl.pars2021.service.UserService;
+import com.szxgl.pars2021.utils.RedisUtil;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+import java.util.List;
+
+@Service
+public class UserServiceImpl implements UserService {
+    @Autowired
+    private UserMapper userMapper;
+
+    @Autowired
+    private UserMapper2 userMapper2;
+
+    @Autowired
+    private RedisUtil redisUtil;
+
+    @Autowired
+    private static final String USERINFO = "userInfo";
+
+    @Override
+    public void saveAndUpdate(WxMpUser wxMpUser) {
+        String openid = wxMpUser.getOpenid();
+        UserDO userDO = get(openid);
+        if(userDO==null){
+            UserDO userDO1 = new UserDO();
+            userDO1.setOpenid(openid);
+            userDO1.setNickname(wxMpUser.getNickname());
+            userDO1.setHeadimgurl(wxMpUser.getHeadimgurl());
+            userDO1.setCreateTime(new Date());
+            userMapper.insert(userDO1);
+        }
+    }
+
+    @Override
+    public UserDO get(String openid) {
+        QueryWrapper<UserDO> wrapper = new QueryWrapper<>();
+        wrapper.eq("openid",openid);
+        return userMapper.selectOne(wrapper);
+    }
+
+    @Override
+    public void updateUser(UserDO userDO) {
+        UpdateWrapper<UserDO> updateWrapper = new UpdateWrapper<>();
+        updateWrapper.eq("openid",userDO.getOpenid());
+        updateWrapper.set("realname",userDO.getRealname());
+        updateWrapper.set("phone",userDO.getPhone());
+        updateWrapper.set("update_time",new Date());
+        userMapper.update(null,updateWrapper);
+    }
+
+    @Override
+    public UserWorks getUserWorks(String openid) {
+        //redis是否有该用户信息
+        if(!redisUtil.hasKey(USERINFO+openid)){
+            //不存在创建缓存  有效期2小时
+            UserWorks userWorks = userMapper2.getUserWorks(openid);
+            redisUtil.set(USERINFO+openid,userWorks,60 * 60 * 2);
+            return userWorks;
+        }else {
+            //判断redis中的用户信息是否为null    如果之前没有上传文件去查看排行榜存入的信息就为null
+            if(redisUtil.get(USERINFO + openid) != null){
+                return (UserWorks)redisUtil.get(USERINFO + openid);
+            }else {
+                redisUtil.del(USERINFO + openid);
+                UserWorks userWorks = userMapper2.getUserWorks(openid);
+                redisUtil.set(USERINFO+openid,userWorks,60 * 60 * 2);
+                return userWorks;
+            }
+        }
+    }
+
+    @Override
+    public List<UserDO> getUserList() {
+        QueryWrapper<UserDO> queryWrapper = new QueryWrapper<>();
+        queryWrapper.select("openid");
+        return userMapper.selectList(queryWrapper);
+    }
+
+    @Override
+    public UserDO getUserInfo(String openid) {
+        QueryWrapper<UserDO> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("openid",openid);
+        queryWrapper.select("realname","phone");
+        return userMapper.selectOne(queryWrapper);
+    }
+
+    @Override
+    public String getWorksUser(Integer worksId) {
+        return userMapper2.getWorksUser(worksId);
+    }
+
+
+}