我用他的方法解決了問題,親測可用,不要用Navicat for Mysql去查詢編碼,
在伺服器中以root指令進入mysql,用show variables like 'char%';指令查詢的編碼才是最準确的.
㈠ 序言
為了應對無線網際網路的機遇和挑戰、避免 emoji 表情符号帶來的問題、
涉及無線相關的 MySQL 資料庫建議都提前采用 utf8mb4 字元集
這必須要作為移動網際網路行業的一個技術選型的要點
㈡ 限制
需要 >= MySQL 5.5.3版本、從庫也必須是5.5的了、低版本不支援這個字元集、複制報錯
㈢ 簡要步驟
以下是一個未更新到 5.5.3 的配置步驟:
① 備份資料庫
② 更新 MySQL Server 到 v5.5.3+
③ 修改 database、table和column字元集
For each database:
ALTER DATABASE database_name CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci;
# For each table:
ALTER TABLE table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
# For each column:
ALTER TABLE table_name CHANGE column_name column_name VARCHAR(191) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
# (Don’t blindly copy-paste this! The exact statement depends on the column type, maximum length, and other properties. The above line is just an example for a `VARCHAR` column.)
④ 修改 my.cnf
[client]
default-character-set = utf8mb4
[mysql]
[mysqld]
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
init_connect='SET NAMES utf8mb4'
⑤ 重新開機 MySQL Server、檢查字元集
mysql> SHOW VARIABLES WHERE Variable_name LIKE 'character\_set\_%' OR Variable_name LIKE 'collation%';
+--------------------------+--------------------+
| Variable_name | Value |
| character_set_client | utf8mb4 |
| character_set_connection | utf8mb4 |
| character_set_database | utf8mb4 |
| character_set_filesystem | binary |
| character_set_results | utf8mb4 |
| character_set_server | utf8mb4 |
| character_set_system | utf8 |
| collation_connection | utf8mb4_unicode_ci |
| collation_database | utf8mb4_unicode_ci |
| collation_server | utf8mb4_unicode_ci |
rows in set (0.00 sec)
http://www.linuxidc.com/Linux/2013-05/84360.htm
請參考下面指令修改字元集:(不用重新開機,SQL Server不能修改庫)