解決辦法:引入mybatis-3-config.dtd 文件
Window-preferences-搜索xml-xml catalog


<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
Config配置

mapper配置

配置完成后重啟下Myeclipse即可
結果如下:

