Mabtis传值方式

//mapper
int insertBlog(@Param("name") String name,@Param("age") int age);
//xml
<insert id="insertBlog">
        insert into blog(name,age) values(#{name},#{age});
</insert>

//mapper
int insertBlog(Blog blog);
//xml
    <insert id="insertBlog" parameterType="com.example.entity.Blog">
        insert into blog(name,age) values(#{name},#{age});
    </insert>
//service
        Blog blog=new Blog();
        blog.setAge(13);
        blog.setName("zzl3");
        blogMapper.insertBlog(blog);

//mapper
int insertBlog(Map<String,Object> map);
//xml
    <insert id="insertBlog" parameterType="map">
        insert into blog(name,age) values(#{name},#{age});
    </insert>
//service
        Map<String,Object> map = new HashMap<>();
        map.put("name","zzl4");
        map.put("age",14);
        blogMapper.insertBlog(map);