问题遇到的现象和发生背景
mybatis别名问题,设置标签typeAliase后报错
问题相关代码,请勿粘贴截图
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<environments default="development">
...
</environments>
<mappers>
<package name="cn.edu.jyu.mapper"/>
</mappers>
<!--设置别名-->
<typeAliases>
<typeAlias type="cn.edu.jyu.entity.Ms" alias="ms"/>
</typeAliases>
</configuration>
运行结果及报错内容
org.apache.ibatis.exceptions.PersistenceException:
Error building SqlSession.
Cause: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 28; columnNumber: 17; 元素类型为 "configuration" 的内容必须匹配 "(properties?,settings?,typeAliases?,typeHandlers?,objectFactory?,objectWrapperFactory?,reflectorFactory?,plugins?,environments?,databaseIdProvider?,mappers?)"。
我的解答思路和尝试过的方法
编写一条插入sql,本来一切正常,数据库信息也能添加成功,但是一加上设置别名那块之后,就一直爆错,是我使用方式不对吗?
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="cn.edu.jyu.mapper.MsMapper">
<insert id="addMs">
insert into ms(name,gender,email) values (#{name},#{gender},#{email})
</insert>
</mapper>