MySql 關於存儲 emoji表情

-- 數據庫相關設置

[client]
default-character-set = utf8mb4

[mysql]
default-character-set=utf8mb4

[mysqld]
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
init_connect='SET NAMES utf8mb4'

-- 相關庫的 設置

ALTER DATABASE 庫名 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci;

SHOW VARIABLES WHERE Variable_name LIKE 'character\_set\_%' OR Variable_name LIKE 'collation%';
set character_set_client = utf8mb4;
set character_set_connection = utf8mb4;
set character_set_database = utf8mb4;
set character_set_results = utf8mb4;

-- 相關表設置

-- 表設置
ALTER TABLE 表名CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
ALTER TABLE 表名 CHANGE 字段名 字段名 MEDIUMTEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

數據庫版本要求 5.5.3+

Java connector 版本要求 5.1.13以上