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java mysql utf8mb4_java读取utf8mb4类型的字符

java utf-8mb4

测试环境:

数据库版本:mysql 5.5.24

数据库字符集设置:

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

建表语句:

CREATE TABLE IF NOT EXISTS `test` (

`id` int(11) NOT NULL AUTO_INCREMENT,

`name_char` char(64) CHARACTER SET utf8mb4 COLLATE             utf8mb4_general_ci NOT NULL,

`name_varchar` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,

`name_tinytext` tinytext CHARACTER SET utf8mb4 COLLATE    utf8mb4_general_ci NOT NULL,

`name_tinyblog` tinyblob NOT NULL,

`name_varbinary` varbinary(128) NOT NULL,

PRIMARY KEY (`id`)

) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4 AUTO_INCREMENT=34 ;

数据库驱动:mysql-connector-java-5.1.19

==========================================

问题:向test表中插入一系列四字节字符后用java运行下面两个sql语句得到的结果都是????,该如何解决?

SELECT

CONVERT(name_char USING utf8mb4) COLLATE utf8mb4_unicode_ci AS name_char

CONVERT(name_varchar USING utf8mb4) COLLATE utf8mb4_unicode_ci AS name_varchar

CONVERT(name_tinytext USING utf8mb4) COLLATE utf8mb4_unicode_ci AS name_tinytext

CONVERT(name_tinyblog USING utf8mb4) COLLATE utf8mb4_unicode_ci AS name_tinyblog

CONVERT(name_varbinary USING utf8mb4) COLLATE utf8mb4_unicode_ci AS name_varbinary

FROM test;

SELECT * FROM test;

注:用phpmyadmin 2.11.11运行上面的两个sql语句得到的结果也是????,是phpmyadmin的版本问题,还是没设置对?

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