命令大杂烩

#windows系统修复
DISM.exe /Online /Cleanup-image /Scanhealth
DISM.exe /Online /Cleanup-image /Restorehealth     
sfc /scannow

#windows网络修复
netsh winsock reset

#合并ts文件
copy /b c:\Users\hito\Downloads\*.ts d:\50.mp4

#windows11家庭版安装Hyper-V（以下命令拷贝到txt文本后重命名为bat文件然后用管理员权限运行）
pushd "%~dp0"
dir /b %SystemRoot%\servicing\Packages\*Hyper-V*.mum >> hyper-v.txt
for /f %%i in ('findstr /i . hyper-v.txt 2^>nul') do dism /online /norestart /add-package:"%SystemRoot%\servicing\Packages\%%i"
del hyper-v.txt
Dism /online /enable-feature /featurename:Microsoft-Hyper-V-All /LimitAccess /ALL

#mysql查看索引使用情况
EXPLAIN SELECT A.XXX, B.XXX FROM TABLE1 A, TABLE2 B ON A.XXX = B.XXX;

#mysql使用触发器插入数据自动生产uuid主键
insert_before  BEFORE  插入
BEGIN
			SET NEW.ID = REPLACE(UUID(),"-","");
END

#excel
#合并
=CONCATENATE("EX010",D2,C2,"1")
#截断
=LEFT(E2,6)
#判断取值
=IF(O2="宜都市","420500000000000",IF(O2="高新区","420592000000000",IF(O2="枝江市","420583000000000",IF(O2="当阳市","420582000000000",IF(O2="远安县","420525000000000",IF(O2="兴山县","420526000000000",IF(O2="秭归县","420527000000000",IF(O2="长阳","420528000000000",IF(O2="五峰县","420529000000000",IF(O2="夷陵区","420506000000000",IF(O2="点军区","420504000000000",IF(O2="西陵区","420502000000000",IF(OR(ISNUMBER(FIND({"伍家";"伍家区";"伍家岗区"},O2))),"420503000000000",IF(OR(ISNUMBER(FIND({"猇亭";"猇亭区"},O2))),"420505000000000"))))))))))))))
#经纬度计算
=LEFT(T2,FIND("°",T2)-1)+MID(T2,FIND("°",T2)+1,FIND("′",T2)-FIND("°",T2)-1)/60+MID(T2,FIND("′",T2)+1,FIND("″",T2)-FIND("′",T2)-1)/3600