1. 检查web.xml
encodingFilter
org.springframework.web.filter.CharacterEncodingFilter
true
encoding
UTF-8
encodingFilter
/*
2. 检查建表脚本:
CREATE TABLE `t_user_info` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`user_name` varchar(40) NOT NULL COMMENT ‘用户名‘,
`password` varchar(255) NOT NULL COMMENT ‘密码‘,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT=‘用户信息表‘;
3. 检查项目工程及jsp/java/xml文件
4. 检查jdbc.properties
url=jdbc:mysql://localhost:3306/ssm?useUnicode=true&characterEncoding=UTF-8