项目中静态通讯方案

数据库加一个字段，存json即可

[{"role":"ROLE_VOLUNTEER","content":"你好","time":"2025/3/31 15:13:21","userId":31,"readStatus":{"ROLE_USER":true,"ROLE_VOLUNTEER":true}},{"role":"ROLE_USER","content":"怎么了嘛","time":"2025/3/31 15:13:28","userId":32,"readStatus":{"ROLE_USER":true,"ROLE_VOLUNTEER":true}},{"role":"ROLE_VOLUNTEER","content":"你说呢","time":"2025/3/31 15:13:38","userId":31,"readStatus":{"ROLE_USER":true,"ROLE_VOLUNTEER":true}},{"role":"ROLE_USER","content":"你送的什么玩意","time":"2025/3/31 15:14:02","userId":32,"readStatus":{"ROLE_USER":true,"ROLE_VOLUNTEER":true}}]