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发表于 2012-11-13 08:48:12
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1判断语句
! g0 `& N' o _* v$ h) Z6 i if <condition> then
& Y2 E# e* M" W; I4 r) s <statement sequence1>;
8 c. J+ q' ~! W+ @) S. {) h( _) G7 Z elseif <condition> then4 M5 `, m& ^, N
<statement sequence2>;
. Q. H' y8 U; N5 e& W, x! e else & f; Y6 E. S# C0 t
<statement sequence3>;
1 ^* |/ \6 ~$ @% c0 F. c4 Z end;
$ a1 m/ N: ]1 P4 y( u& H如果分支比较多，用：- N2 _9 J& q% z1 X& {
inspect <expression>
3 r6 @/ }" ^) ~$ P) e+ J when <constant_list> then9 S1 M# {8 T. z, Q5 P
<statement sequence1>;
* C3 N0 r9 C4 A D1 d when <constant_list> then
P7 g" r; a/ E: ^. b <statement sequence2>;$ }1 n8 p' z/ J' ^! Q" l* U
...5 u R }, R* ]
else
$ J* V) P d2 F- A& L# X( l3 e <statement sequence3>;
& ?3 ~7 N: s: O" Aend;
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3 P) v8 k. M! i; \$ o2循环语句
1 b" e& u6 f+ d r( @. w% T (1) from <statement sequence1>5 z3 a: E' @ c8 E+ p+ s) B
until <condition> loop
" ?8 N2 K$ b7 A8 S& X% C, w8 I <statement sequence2>;0 ]7 |* m) a# |8 {; p
end;( l# `( y! O# ]; E& Z8 A$ z& B
(2) while <condition> loop
0 t. X+ n, Z6 P' H$ e: z( y9 d <statement sequence1>;- t) L$ {3 m) [4 ?0 ^7 {+ q- c
end;
: A O+ }( z. n% M d (3) repeat / z! m3 E$ \9 `) }5 J* T
<statement sequence1>;6 H1 U* g& x7 i$ ?
until <condition>;1 J) F0 G1 Y; U; `: a, o) @6 r6 h- d: K
(4) for <condition> to <condition> loop+ i; M5 g) D, [$ h H9 x
<statement sequence1>;: r9 ~; ?8 D* J/ m
next;, Z% s' Q% o3 m$ |
3中断语句
( G5 R; @* n1 c9 M L4 w& t& B waituntil <condition> prio <integer expression>;2 w% N; [2 k$ n, i, d- m( v
) ~* v' l$ c9 J$ u: H- r/ u( n& N/ t, o* F" l5 p3 [# b
以上为常用的函数！
& U% M0 v4 w7 r9 j. j+ A' k% u还有很多，如有需要我把资料发到你邮箱里 6 i* g2 @4 _! u3 ?; M0 R3 `- d
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