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发表于 2012-11-13 08:48:12
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1判断语句5 s* m, F; H7 q+ Q3 d$ K7 S
if <condition> then
0 k. D2 b" _. i0 B- E <statement sequence1>;! W$ X2 s W! w0 U) r
elseif <condition> then7 \" d1 K; y& L$ N8 ?
<statement sequence2>;
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<statement sequence3>;3 u* H* t$ |; V7 m
end;
; l8 e2 Z! @1 u& d: H如果分支比较多，用：
7 A% y: U1 b5 ~1 ~ inspect <expression>
, Z w/ I; W7 @: q9 r- B- T when <constant_list> then; P2 ~, L# g$ v# l2 S& ?. P4 B
<statement sequence1>;
% e- T. p, ~% K when <constant_list> then
4 E0 }) k* m8 L1 b( L4 H' h <statement sequence2>;! h9 X W" S/ u! C8 X! m, T$ ~
...6 n' q+ a1 S+ l) c( ]; R
else
6 j' r* A4 q+ n* B0 L5 i <statement sequence3>;0 a* L M9 l! Y" B0 p1 v" j, ~% _
end;* N0 A% N/ E( `. h3 l
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2循环语句6 J6 W- s; x! R/ x7 Y% j
(1) from <statement sequence1>
7 k7 {# u) r2 p% K) { u until <condition> loop
) A7 s: {! m/ p5 I <statement sequence2>;4 x6 z% d l$ Q' O
end;" b+ V5 e( I! P0 _ i8 _7 A5 \) c
(2) while <condition> loop
; m; w4 ^/ c* u" U& p% {6 s( [3 x n$ w <statement sequence1>;
7 C7 u/ R$ w! l8 @% @# E end;
# q: r( o! r) f* @$ B (3) repeat
5 _- O {6 `5 }1 P( U& p$ { <statement sequence1>;6 L$ F# G5 ?! n+ ~/ I4 c, I
until <condition>;7 l! E6 {6 ]: p4 R3 [
(4) for <condition> to <condition> loop
& x# l7 D/ ^2 V4 b' b+ ~ <statement sequence1>;0 n* x0 }9 ^' W5 [1 o( D; P# X
next;
+ C2 V: |# n% j9 x& {3中断语句
0 n; e$ W3 X& ]! J# i) p waituntil <condition> prio <integer expression>;
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以上为常用的函数！
' p3 J) ^5 [4 T& N还有很多，如有需要我把资料发到你邮箱里 ( b5 S8 k5 |; m T2 p
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