incorrect string value MySql中文字符报错

--查看字符集

mysql> show variables like 'character%';

+--------------------------+---------------------------------------------------------+

| Variable_name | Value |

+--------------------------+---------------------------------------------------------+

| character_set_client | utf8 |

| character_set_connection | utf8 |

| character_set_database | latin1 |

| character_set_filesystem | binary |

| character_set_results | utf8 |

| character_set_server | latin1 |

| character_set_system | utf8 |

| character_sets_dir | C:\Program Files\MySQL\MySQL Server 5.5\share\charsets\ |

+--------------------------+---------------------------------------------------------+

8 rows in set

mysql>

--举个例子merchinfo

ALTER TABLE `merchinfo` DEFAULT CHARACTER SET utf8 COLLATE utf8_bin;

ALTER TABLE `merchinfo` CHANGE `MerchName` `MerchName` VARCHAR( 50 ) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL;

ALTER DATABASE `market` DEFAULT CHARACTER SET utf8 COLLATE utf8_bin;

--再看看字符集

mysql> show variables like 'character%';

+--------------------------+---------------------------------------------------------+

| Variable_name | Value |

+--------------------------+---------------------------------------------------------+

| character_set_client | utf8 |

| character_set_connection | utf8 |

| character_set_database | lutf8 |

| character_set_filesystem | binary |

| character_set_results | utf8 |

| character_set_server | latin1 |

| character_set_system | utf8 |

| character_sets_dir | C:\Program Files\MySQL\MySQL Server 5.5\share\charsets\ |

+--------------------------+---------------------------------------------------------+

8 rows in set

mysql> select * from merchinfo ;

+---------+----------------+------------+----------+------------+---------+---------------+---------------+---------------+---------------+------------+-----------+-----------+-----------+

| MerchID | MerchName | MerchPrice | MerchNum | CautionNum | PlanNum | BarCode | SalesProPrice | SalesProDateS | SalesProDateE | AllowAbate | AllowSale | FactoryID | ProvideID |

+---------+----------------+------------+----------+------------+---------+---------------+---------------+---------------+---------------+------------+-----------+-----------+-----------+

| 1 | 挺美内衣 | 99 | 10 | 5 | 100 | 6931748861834 | 99 | NULL | NULL | 1 | 1 | 1111 | 1231 |

| 2 | 营养快线 | 4 | 10 | 5 | 300 | 6931748861835 | 3 | NULL | NULL | 1 | 1 | 1222 | 1231 |

| 3 | 双子座乒乓球 | 1 | 20 | 10 | 100 | 6931748861836 | 1 | NULL | NULL | 1 | 1 | 1222 | 1233 |

| 4 | 老坛酸菜方便面 | 3 | 14 | 10 | 2 | 6931748861833 | 2 | NULL | NULL | 1 | 1 | 1222 | 1231 |

| 5 | 书乐文具橡皮擦 | 1 | 10 | 5 | 100 | 6931748861832 | 1 | NULL | NULL | 1 | 1 | 1222 | 1231 |

| 6 | 英语作文本 | 4 | 10 | 5 | 300 | 6931748861837 | 3 | NULL | NULL | 1 | 1 | 1222 | 1231 |

| 7 | 康师傅矿泉水 | 1 | 20 | 10 | 100 | 6931748861838 | 1 | NULL | NULL | 1 | 1 | 1222 | 1233 |

| 8 | 大话通信书 | 3 | 14 | 10 | 2 | 6931748861839 | 2 | NULL | NULL | 1 | 1 | 1222 | 1231 |

| 9 | 党员文摘 | 1 | 10 | 5 | 100 | 6931748861840 | 1 | NULL | NULL | 1 | 1 | 1222 | 1231 |

| 10 | 程序员 | 4 | 10 | 5 | 300 | 6931748861841 | 3 | NULL | NULL | 1 | 1 | 1222 | 1231 |

| 11 | 电子紧急 | 1 | 20 | 10 | 100 | 6931748861842 | 1 | NULL | NULL | 1 | 1 | 1222 | 1233 |

| 12 | 浙江嘉信粽子 | 3 | 14 | 10 | 2 | 6931748861843 | 2 | NULL | NULL | 1 | 1 | 1222 | 1231 |

| 13 | 皮毛手套 | 1 | 10 | 5 | 100 | 6931748861844 | 1 | NULL | NULL | 1 | 1 | 1222 | 1231 |

| 14 | 玩具 | 4 | 10 | 5 | 300 | 6931748861845 | 3 | NULL | NULL | 1 | 1 | 1222 | 1231 |