截取字符串

截取字符串:

~~~~~~~~~~~~~~~~~~~

@echo off

set str=123456

echo %str%

echo %str:~0,3%

'从第0个字符开始到第三个字符结束

echo %str:~2,-2% '截取从第二个字符开始到倒数第二个字符结束的字符

echo %str:~-3,2% '从倒数第三个字符开始向右截取两个字符

pause

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

转载于:https://www.cnblogs.com/lbnnbs/p/4781510.html