mysql支持emoji字符

1)maven升級mysql jar包版本
2)項目的數據源配置url上添加character_set_client=utf8mb4&character_set_server=utf8mb4&character_set_connection=utf8mb4&character_set_results=utf8mb4 
3)加上時區的設置serverTimezone=GMT%2B8        
4)設置數據庫的屬性:字符編碼和排序規則mbutf-8
5)更新表字符編碼 mb4 : alter table TABLE_NAME convert to character set utf8mb4 collate utf8mb4_bin;