redis命令
选择数据库 select 15
清空当前数据库数据 flushdb
清空redis所有数据 flushall
登陆redis auth 124566
查询key keys * keys user*
mysql查询筛选中文数据
select org_id from sys_user where not(user_id regexp "[\u4E00-\u9FA5]")
excel获取字符串第二个点后的内容
参考博客：http://www.360doc.com/content/22/0524/21/73091064_1032983235.shtml
=RIGHT(SUBSTITUTE(A3,"\","@",2),LEN(A3)-IFERROR(FIND("@",SUBSTITUTE(A3,"\","@",2)),0))
例如
D:\task\集团危险源\新加入的公司\汇总1.4.zip |
集团危险源\新加入的公司\汇总1.4.zip |
excel公式获取值后让计算后的值导入到mysql为null
计算记过为：
#VALUE! |
公式为
IF(ISNUMBER(实时数据指标列表!O2),实时数据指标列表!O2&"",NUMBERVALUE("a"))
maven3.8.1后禁止http连接的解决办法，在setting.xml中添加配置
<mirror>
<id>maven-default-http-blocker</id>
<mirrorOf>blocker</mirrorOf>
<name>用于突破maven-3.8.1版本以后默认禁用http仓库的限制</name>
</mirror>
excel生成uuid
=CONCATENATE(IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)),IF(RANDBETWEEN(1,2)=1,CHAR(RANDBETWEEN(0,9)+48),CHAR(RANDBETWEEN(0,5)+97)))