Links

列标字符转化

数字转字符

var_dump(\Vtiful\Kernel\Excel::stringFromColumnIndex(0)); // A
var_dump(\Vtiful\Kernel\Excel::stringFromColumnIndex(28)); // AC

字符转数字

var_dump(\Vtiful\Kernel\Excel::columnIndexFromString('A')); // 0
var_dump(\Vtiful\Kernel\Excel::columnIndexFromString('AC')); // 28