关于mybatis返回map集合的操作: 1.mapper.xml中写一个查询返回map的sql <select id="findMap" parameterType="com.sxd.swapping.domain.HuaYangArea" resultType="java.util.HashMap"> select hy.uid, hy.area_name from hua_yang_area AS hy <where>
在Mybatis中,我们通常会像下边这样用: 返回一个结果 User selectOne(User user); <select id="selectOne" parameterType="cn.lyn4ever.entity.User" resultType="cn.lyn4ever.entity.User"> select id,username,telphone from user where telphone=#{telpho
------------吾亦无他,唯手熟尔,谦卑若愚,好学若饥------------- 实体类 public class Book { private Integer bookID; private String bookName; private String bookAuthor; private Integer bookPrice; public Book() { } public Integer getBookID() { return this.bookID; } public vo