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发表于 2012-11-13 08:48:12
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1判断语句
' C. b6 m! A4 B1 v9 u if <condition> then
8 [9 K, ~) V: {& g% O$ K6 r" k. G: L <statement sequence1>;
, x" L) ^+ k# c/ T) w" c elseif <condition> then
/ K/ i* S: `" E: { <statement sequence2>;
! D1 t+ M, a. ?# _1 E, ~0 E else
. |# k2 F' O- T2 o, F <statement sequence3>;
# x% y1 ~; C$ X end;
) z1 W, w9 u3 e& k1 }9 P& q如果分支比较多，用：
( `& J: O" {" Y/ S7 U inspect <expression>/ T/ X, |3 l- w" M% C
when <constant_list> then' |% ]$ c0 t1 J, ?' _7 \
<statement sequence1>;
4 v2 q) ^4 m9 k9 q% ] when <constant_list> then
4 T3 P0 ^# ~6 d9 @. j, ?6 Z <statement sequence2>;( y- e: j# s4 h
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else. A, T1 q9 b. d1 l4 p5 q5 }- A1 G( U) \
<statement sequence3>;' t7 s4 O- e2 ~/ D+ ]" o
end;
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2循环语句
) u3 _1 z/ H) ^9 v3 j7 K9 C! ` (1) from <statement sequence1>- C: @. ^) f7 a, H
until <condition> loop
/ W1 d$ y0 u8 p) R2 Q% s <statement sequence2>;/ |9 ]7 t* s1 u0 u% ^. O' E! J2 M4 l
end;; _: ]# Y# J, o9 @8 C1 b) x
(2) while <condition> loop" ]( u9 D5 u; B# B7 R/ _0 F
<statement sequence1>;
3 B/ z' n h1 l P end;
3 A0 n0 j( r5 `4 q- x (3) repeat
( p4 @) [8 A, t <statement sequence1>;8 Y' s$ Z j8 R3 l, E9 G( o
until <condition>;
$ U6 X! ?- Q1 n (4) for <condition> to <condition> loop
4 R/ s2 @4 \$ K <statement sequence1>;9 w" {2 H, u, {- M* T( J
next;
8 }0 r( @. M N* P9 d8 U3中断语句
`7 }6 w1 {. \( e/ i3 O& r8 e waituntil <condition> prio <integer expression>;
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* [! K9 u) ^$ {1 D1 a
以上为常用的函数！
4 S+ b4 P1 H0 l" Y6 N2 G还有很多，如有需要我把资料发到你邮箱里
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