rhx_1989的专栏

1.一对一关联查询<association column="id" property="userInfo" javaType="java.util.Map" select="selectUserInfoById"/>2.一对多关联查询<collection column="id" property="workList" ofType="j...

1.root目录下，创建sh文档，命名为mysqlbak.sh，添加如下代码#!/bin/bash/usr/bin/mysqldump -uroot -p123abc test > /root/mysql_backup/mysql_$(date +%Y%m%d_%H%M%S).sqlfind /root/mysql_backup/ -mtime +3 -type f | xargs r...

1.定义分页实体类@Componentpublic class PageBean implements Serializable { private static final long serialVersionUID = 1L; private Integer page;//当前页 private Integer limit;//每页记录数 privat...