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发表于 2012-11-13 08:48:12
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1判断语句6 u, |/ m3 M+ H0 d$ B v& Q
if <condition> then7 R. r6 i* q- X8 V1 F% M7 L; K
<statement sequence1>;
" u2 c- P% Q2 | k1 _2 { elseif <condition> then
3 n7 z0 l, p% z% w4 O/ P% N <statement sequence2>;
9 C0 X; z3 j* h8 r" v5 P else
* Q+ n! C/ @% {/ Q# @6 Z) ?- Y <statement sequence3>;
% b% k3 H, t4 z U7 f end;6 e% H$ G0 g( g3 k& I1 d
如果分支比较多，用：# H) l% _ I1 R- F) g* E8 s
inspect <expression>
& O7 K, z- ~- F; e, U when <constant_list> then9 j, ?2 Y: N, k, f
<statement sequence1>;) T) I! v2 f+ q/ n
when <constant_list> then
: K* c, Z# H; G; w. h/ t <statement sequence2>;
2 }/ F' t- W. [8 k+ H ...
/ _6 m1 t0 F* U" ?: |, q else
. F; T! J& H) O! u4 U4 u; b9 ?: S# L% R <statement sequence3>;
3 H% [! g4 r! P# o' S* R; aend; z, }$ M" W \$ T- C# L. B3 k
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2循环语句
1 T0 w6 Q; ?; H E (1) from <statement sequence1>
+ S$ X3 V6 e; R* K until <condition> loop
7 b- n' _1 v% `0 d( T: ` <statement sequence2>;5 M: |/ o8 N8 c5 S
end; O; T( \* Z2 g5 i, G
(2) while <condition> loop
) Z+ h& K8 J1 L' N" ?, N4 R+ d <statement sequence1>;
, W3 K( C) L0 r! J end;7 y3 B2 P4 V y2 V8 t; N
(3) repeat
) H, l2 M6 w, ^, ^! N <statement sequence1>;8 C9 A4 C9 c3 `; _" v& S) b
until <condition>;
0 t/ ]% ]0 L0 G5 W! c; A. a- h (4) for <condition> to <condition> loop
- @1 u3 J7 y9 E7 W1 z5 t <statement sequence1>;
/ S3 U* Z) v: k/ @6 d) ` next;
" x) m8 z1 d$ K! v! F1 e$ w' {3中断语句
+ V N4 I. c8 j& x; O0 L8 ]: t waituntil <condition> prio <integer expression>;0 q P. ~! H: \+ \' p
' A5 q7 d6 z5 m$ {$ W8 X0 J) x! {1 x
以上为常用的函数！
) X8 [& L4 H& B% l1 R还有很多，如有需要我把资料发到你邮箱里 5 H M! ~2 J- G% S! x3 K0 x
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