截取字符串

string ls_all,ls_1,ls_2,ls_3

ls_all = "ls_1;ls_2;ls_3"

 

ls_1 = mid(ls_all,1,pos(ls_all,';') -1)

ls_3 = right(ls_all,pos(reverse(ls_all),';') -1)

ls_2 = mid(ls_all, pos(ls_all,';')+1, len(ls_all) -len(ls1) -len(ls_3)-2)