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发表于 2012-11-13 08:48:12
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1判断语句
/ t4 p3 F! b; h$ w9 _) T if <condition> then% Q7 W( J) j* p6 g5 e. { r
<statement sequence1>;
1 x: N. u! }& C' ? elseif <condition> then
" {4 E1 d0 x; m; y <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
( ^5 e$ A: s. [ inspect <expression>
# r" W' E8 g/ u } T, f when <constant_list> then1 I" ?9 `+ D3 V! j' C
<statement sequence1>; k% N7 g& f; |7 d7 q, X! m8 ]
when <constant_list> then
, J2 l8 k+ z9 a5 D- C& ?% }( T) L0 v <statement sequence2>;
- }! |! o' K+ p$ B' G w% ` ...
; A. I- ?$ p. [" o! A else
' a% {0 ]/ i( ]9 \" s) |% I; a <statement sequence3>;
$ y. v' j8 t2 i# {# ` Jend;
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2循环语句$ p% x3 [- {7 K& D
(1) from <statement sequence1>% J+ v: D" J! z( l! a( k
until <condition> loop
( g! H& Z+ O4 X7 `& a$ C <statement sequence2>;
- ?' L' ~. M3 ~! U9 m* w end;
4 b1 A8 P1 i% _. A% W (2) while <condition> loop* e& h& ~5 x- F9 q* Q4 x
<statement sequence1>;) }/ W) s" P1 Z" i/ ]/ N8 ~. G
end;7 M6 j1 E0 ^: H. ?! f. W
(3) repeat
' l" `9 n: T5 `, k, W- m3 y <statement sequence1>;
( R- H) o7 \! n4 \3 D2 X* ] until <condition>;: k! u( M' G9 g9 F- i; B- z
(4) for <condition> to <condition> loop
' w4 Q0 v. P, n. N+ ?4 G <statement sequence1>;, ?# G' P9 d- T2 R
next;
" `% m- `& E% [. m% }7 N3中断语句5 D" O9 E$ \; u _, w8 d9 D
waituntil <condition> prio <integer expression>;
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' ~2 C' H" ]/ N$ B以上为常用的函数！
) a% \2 a9 ~) I还有很多，如有需要我把资料发到你邮箱里
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