| NUM = 1 |
| 1 | IF 条件 THEN ... [ELSE ...] |
| 2 | IF 条件 THEN
... [ELSE / ELSEIF 条件 THEN ...] END IF |
| 3 | CHOOSE CASE ...
CASE ... ... [CASE ... ...] [CASE ELSE ...] END CHOOSE |
| 1 | DO UNTIL 条件
... LOOP |
| 2 | DO WHILE 条件
... LOOP |
| 3 | DO
... LOOP UNTIL 条件 |
| 4 | DO
... LOOP WHILE 条件 |
| 5 | FOR varname=start TO end [STEP n]
... NEXT |
| local:
... GOTO label |
无条件转移语句 |
| CONTINUE | 继续下一次循环 |
| EXIT | 跳出循环 |
| HALT [para] | 执行某语句后立即退出 |
| RETURN [expression] | 函数返回值 |
| objectVar = CREATE objecttype
objectVar = CREATE USING stringVar |
新建对象 |
| DESTROY objectVar | 消毁对象 |