ADD file via upload

flower_back/src/main/java/com/example/flower/service/ChatUserService.java

@@ -0,0 +1,20 @@
+package com.example.flower.service;
+
+import com.example.flower.mapper.ChatUserDao;
+import com.example.flower.entity.Params;
+import com.example.flower.entity.ChatUser;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.stereotype.Service;
+
+import jakarta.annotation.Resource;
+import java.util.List;
+
+@Service
+public class ChatUserService {
+    @Resource
+    private ChatUserDao chatUserDao;
+    public List<ChatUser> findAll() {
+        return chatUserDao.findAll();
+    }
+}