mybatis 中配置文件中的配置项以及配置顺序

Caused by: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 34; 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?)”。 Caused by: org.apache.ibatis.builder.BuilderExcept