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发表于 2012-11-13 08:48:12
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1判断语句9 A) o9 d& a/ L: X1 X4 O. {( n5 ]5 T: x
if <condition> then Q) r8 k2 }) \# u' n
<statement sequence1>;
8 }3 |- P7 a" Y- W4 | elseif <condition> then- {9 `9 C9 J2 ?) P9 \
<statement sequence2>;
1 K$ a! O& j- z else
: u- v. \8 ~1 b3 D' n% r <statement sequence3>;
8 w: @' b1 c* z+ p2 O3 n end;9 d; |3 g* X9 R
如果分支比较多，用：
u1 A! q+ @! I! d, N inspect <expression>! ]9 N# _6 Q$ G& W% ?8 ^
when <constant_list> then
' d, T5 s* [; f; f. O/ F& O <statement sequence1>;( _; P' M0 n! o4 {
when <constant_list> then
+ I# u. {/ y4 }. X8 E) R( | <statement sequence2>;
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else! f6 N% t9 p- M7 i3 M
<statement sequence3>;
7 ]0 R# E( n, `; m, G2 ]$ l4 W( Qend;
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: C. G' h, w6 d ]6 P* {7 P2循环语句" M; D1 _- Y3 W3 `. C1 r3 R
(1) from <statement sequence1>8 Z" B! U) B6 D8 o
until <condition> loop& E& x% w: D* m _+ m1 q9 ^: c
<statement sequence2>;
H9 Y- ^/ w F" H end;
9 z4 I4 i. D6 w8 i1 s; G* J, m (2) while <condition> loop
+ z. [' |; R! o <statement sequence1>;
: D% }2 T, s N4 \! y) m* k0 @ end;
* W5 k, o, I' M3 X- R$ M (3) repeat l* X# a( O6 T" z! Y* Z
<statement sequence1>;
# q* t; |& ~7 [6 D+ H N until <condition>;0 @: ?( u8 \* w9 N% v0 T
(4) for <condition> to <condition> loop
6 e4 Y1 b. Q% W; d6 @) d <statement sequence1>;( x) w% b0 p# K
next;& W% |/ u9 [( H5 q: I& I
3中断语句4 T6 N6 z6 e) t, x8 n, R
waituntil <condition> prio <integer expression>;/ @/ u2 Q8 m) r! k6 ?6 J& `
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以上为常用的函数！
+ l4 O; W6 X# E; U" i还有很多，如有需要我把资料发到你邮箱里
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