ADD file via upload

src/main/java/com/service/PraiseInfoService.java

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+package com.example.service;
+
+import cn.hutool.core.date.DateUtil;
+import cn.hutool.json.JSONUtil;
+import com.example.dao.PraiseInfoDao;
+import com.example.exception.CustomException;
+import org.springframework.stereotype.Service;
+import com.example.entity.PraiseInfo;
+import com.example.entity.AuthorityInfo;
+import com.example.entity.Account;
+import com.example.vo.PraiseInfoVo;
+
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+
+import javax.annotation.Resource;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpSession;
+import java.util.Date;
+import java.util.List;
+
+@Service
+public class PraiseInfoService {
+
+    @Resource
+    private PraiseInfoDao praiseInfoDao;
+
+    public PraiseInfo add(PraiseInfo praiseInfo, HttpServletRequest request) {
+        HttpSession session = request.getSession();
+        Account user = (Account) session.getAttribute("user");
+        PraiseInfoVo praiseInfoVo = praiseInfoDao.findByUser(user, praiseInfo);
+        if (praiseInfoVo != null) {
+            return null;
+        }
+        praiseInfo.setUserId(user.getId());
+        praiseInfo.setLevel(user.getLevel());
+        praiseInfo.setTime(DateUtil.now());
+        praiseInfoDao.insertSelective(praiseInfo);
+        return praiseInfo;
+    }
+
+    public void delete(Long id) {
+        praiseInfoDao.deleteByPrimaryKey(id);
+    }
+
+    public void update(PraiseInfo praiseInfo) {
+        praiseInfoDao.updateByPrimaryKeySelective(praiseInfo);
+    }
+
+    public PraiseInfo findById(Long id) {
+        return praiseInfoDao.selectByPrimaryKey(id);
+    }
+
+    public List<PraiseInfoVo> findAll() {
+        return praiseInfoDao.findByName("all");
+    }
+
+    public PageInfo<PraiseInfoVo> findPage(String name, Integer pageNum, Integer pageSize, HttpServletRequest request) {
+        PageHelper.startPage(pageNum, pageSize);
+        List<PraiseInfoVo> all = findAllPage(request, name);
+        return PageInfo.of(all);
+    }
+
+    public List<PraiseInfoVo> findAllPage(HttpServletRequest request, String name) {
+		return praiseInfoDao.findByName(name);
+    }
+
+}