摘要： 安装依赖包 yum install git gcc gcc-c++ make automake autoconf libtool pcre pcre-devel zlib zlib-devel openssl-devel -y 安装libfastcommon cd /opt/fastdfs //下载 阅读全文

摘要： 定义实体类 public class Person { public Integer id; public String name; public Integer age; public Person(){} public Person(Integer id, Integer age, String 阅读全文

摘要： Demo： update a join b on a.foreign_id = b.id set a.name = b.name where a.name is null; 阅读全文