原 薦 MySQL命令視窗中文亂碼或插入中文資料失敗

SQL/">MySQL命令視窗中文亂碼或插入中文資料失敗

原

薦

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在Windwos上使用命令視窗操作MySQL資料庫時，如果命令視窗的字元編碼與資料庫不一致時，就會出現中文亂碼的情況

比如查詢會出現中文亂碼，或者插入資料會出現錯誤“ERROR 1366 (HY000): Incorrect string value: '\xD5\xC5\xC8\xFD' for column 'name' at row 1”

mysql> insert into user(name,gender,age) values('張三','男',22);
ERROR 1366 (HY000): Incorrect string value: '\xD5\xC5\xC8\xFD' for column 'name' at row 1

mysql> select * from user;
+----+----------+--------+-----+---------------------+
| id | name| gender | age | updated_time|
+----+----------+--------+-----+---------------------+
|1 | zhangsan | M|22 | 2018-10-31 17:03:25 |
|2 | 寮犱笁| 鐢?|22 | 2018-11-01 09:01:43 |
+----+----------+--------+-----+---------------------+
2 rows in set (0.00 sec)

這時可以先檢視下環境編碼配置，我的是utf8，結果是下面這樣

mysql> show variables like 'char%';
+--------------------------+---------------------------------------------------------+
| Variable_name| Value|
+--------------------------+---------------------------------------------------------+
| character_set_client| utf8|
| character_set_connection | utf8|
| character_set_database| utf8|
| character_set_filesystem | binary|
| character_set_results| utf8|
| character_set_server| utf8|
| character_set_system| utf8|
| character_sets_dir| C:\Program Files\MySQL\MySQL Server 5.5\share\charsets\ |
+--------------------------+---------------------------------------------------------+
8 rows in set (0.00 sec)

檢視windwos命令視窗的的屬性可知，編碼格式為GBK且不能更改

這時我們可以使用“set names gbk;”來指定客戶端傳送給mysql語句時的編碼格式，並且可以看到client、connection、results三個變數的編碼格式變為了gbk，其它的沒有變化

mysql> set names gbk;
Query OK, 0 rows affected (0.00 sec)

mysql> show variables like 'char%';
+--------------------------+---------------------------------------------------------+
| Variable_name| Value|
+--------------------------+---------------------------------------------------------+
| character_set_client| gbk|
| character_set_connection | gbk|
| character_set_database| utf8|
| character_set_filesystem | binary|
| character_set_results| gbk|
| character_set_server| utf8|
| character_set_system| utf8|
| character_sets_dir| C:\Program Files\MySQL\MySQL Server 5.5\share\charsets\ |
+--------------------------+---------------------------------------------------------+
8 rows in set (0.00 sec)

再次執行下插入操作沒問題了，查詢資料中文也不會亂碼了

mysql> insert into user(name,gender,age) values('張三','男',22);
Query OK, 1 row affected (0.04 sec)

mysql> select * from user;
+----+----------+--------+-----+---------------------+
| id | name| gender | age | updated_time|
+----+----------+--------+-----+---------------------+
|1 | zhangsan | M|22 | 2018-10-31 17:03:25 |
|2 | 張三| 男|22 | 2018-11-01 09:01:43 |
+----+----------+--------+-----+---------------------+
2 rows in set (0.00 sec)

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