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Æäʵ,Ô­ÒòÔÚÓÚMYSQL·þÎñÆ÷ʹÓõÄĬÈϱàÂë,ÒÔ¼°Êý¾Ý¿âµÄĬÈϱàÂë,ºÜ¶àÈËÒѾ­ºÜСÐĵÄÔÚ½¨Á¢±íʱ¹Ø×¢±íµÄ×Ö·û±àÂë,È´ºöÂÔÁËÊý¾Ý¿âµÄ×Ö·û±àÂë,¶øÔÚûָ¶¨Êý¾Ý¿âµÄ×Ö·û±àÂëʱ,´´½¨µÄÊý¾Ý¿â¾ÍʹÓÃMYSQL·þÎñÆ÷µÄĬÈϱàÂë,µ«ÊÇ,Èç¹ûMYSQL·þÎñÆ÷µÄÅäÖÃÎļþûÓÐÖ¸¶¨±àÂëʱ,ºÜ¿ÉÄܾÍÊÇʹÓõÄlatin1±àÂë.
²é¿´·þÎñÆ÷ºÍÊý¾Ý¿âʹÓúÎÖÖ±àÂëµÄMYSQLÃüÁîΪ:SHOW VARIABLES LIKE 'character_set_%';  ÒÔ¼° SHOW VARIABLES LIKE 'collation_%'; ¿´µ½ÀïÃæÊ¹ÓõıàÂëÁË,ÎÒ±¾Ó¦¸ÃʹÓõÄÊÇutf8,ËùÒÔ,²»ÊÇutf8µÄ,ÄǾÍ˵Ã÷ÎÊÌâÔÚÕâÀïÁË.
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'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', 'D:\soft_work\mysql\share\charsets\'
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ÔËÐÐÃüÁî:SHOW VARIABLES LIKE 'collation_%'; ½á¹ûÈçÏÂ
'collation_connection', 'utf8_general_ci'
'collation_database', 'latin1_general_ci'
'collation_server', 'latin1_general_ci'
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1: ÔÚMysqlµÄÅäÖÃÎļþ my.ini (Ò»°ãÔÚc:/windows/ÏÂÃæ) Àï¼ÓÉÏ·þÎñÆ÷µÄĬÈϱàÂëÅäÖÃ: default-character-set=utf8
2: ÐÞ¸ÄÄãµÄÊý¾Ý¿âµÄ×Ö·û±àÂë:½øÈëMysqlÊý¾Ý¿â,ͨ¹ýÃüÁîÐÞ¸ÄÄãµÄÊý¾Ý¿â×Ö·û±àÂë: ALTER DATABASE `databaseName` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci  (Ð޸ĺóÐèÒªÖØÆôMysqlÊý¾Ý¿â)
3: Èç¹ûÄãµÄ±íÒÔ¼°±íÀïµÄ×Ö¶ÎʹÓÃÁ˲»ÕýÈ·µÄ×Ö·û±àÂë,ͬÑùÐèÒªÐÞÕý¹ýÀ´:ÃüÁî:
 Ð޸ıíµÄ±àÂ룺 ALTER TABLE `tableName` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci
 ÐÞ¸Ä×ֶεıàÂ룺 ALTER TABLE `tableName` CHANGE `dd` `dd` VARCHAR( 45 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL
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