LinkHashSet的博客

一. 知识点引入: dtd约束: | : 任选其一 , : 必须按顺序写标签 ? : 可写可不写(重复一次或0次) * : 重复0次或多次 + : 重复一次或多次 二. SqlMapConfig.xml 详解: <?xml version="1.0" encoding="UTF-8&qu

一. Mapper.xml 增删改查详解: 在这里插入代码片<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://myb

一.Mapper.xml 传递参数详解: <?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"> &a

一. Mapper.xml 返回值详解: <?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"> &

一. Mapper.xml 动态sql语句 <?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"> &a