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发表于 2012-11-13 08:48:12
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1判断语句
$ [' U2 w; o9 a& e: |* |9 d5 n: T if <condition> then
* L4 K- c% n0 Y0 g ` <statement sequence1>;6 b) z* T+ \/ h+ S
elseif <condition> then' n& X$ |7 o: S. U0 u* C8 T
<statement sequence2>;
/ n% j" [ F" ^) I v N else 8 L# B' t0 E; M% ^- A* G, K, d
<statement sequence3>;
% y6 e/ n4 @: c6 A2 X1 }& a% g" x end;
# N: `4 q7 x8 b2 _0 Y/ g# J: h$ _如果分支比较多，用：
v+ J7 g1 R8 R; C inspect <expression>+ N* o, A& W& z
when <constant_list> then
* b& u/ @* B f <statement sequence1>;
0 ?& x1 ~, f1 l9 C' b/ w when <constant_list> then/ t: c& j/ q# M) x- H
<statement sequence2>;
1 b% J# @. o# ]8 K4 r ...
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<statement sequence3>;5 e$ \- A- R/ \; n5 @0 w; D6 k: A
end;
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* d' J) M' D% [$ J2循环语句) T _# H% A/ @! ]3 o1 X
(1) from <statement sequence1>2 k/ E* l% U1 R6 c! |; m: N
until <condition> loop
5 y. X) |9 r' Q) K" o <statement sequence2>;
8 K9 U" V8 k% I# I) ~ end;
0 Z- \! a8 \9 x: k1 b: |; C% w (2) while <condition> loop4 ^2 R9 L/ X. d5 i2 u- G' b& {
<statement sequence1>;
N( a# M: K$ u' j% Z end;; g0 q8 g6 u+ s4 Y; q
(3) repeat 4 b3 |& N# k+ P; Z8 ~! N, L
<statement sequence1>;8 f) }% p+ Y. S* B: N2 L
until <condition>;
; u6 L- N+ R' ~/ m (4) for <condition> to <condition> loop- G3 X7 i0 \" Y' K; t
<statement sequence1>;% r2 h B/ t0 A7 H
next;; J2 i) e" A- F4 B4 {! g
3中断语句
7 ]) @( a3 S! R/ y5 s6 f. P waituntil <condition> prio <integer expression>;
7 q/ C3 B$ d9 v" E* y( W8 B, a
6 k4 J% Q( R8 S- }; M9 W+ h9 P# O) a) ^; r! V9 `' X2 x
以上为常用的函数！
- a/ s! T3 r! l. Z& e- {还有很多，如有需要我把资料发到你邮箱里
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