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发表于 2012-11-13 08:48:12
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1判断语句* R: |8 ?9 ?9 Y( b
if <condition> then
; `# x" i8 t. w7 _ <statement sequence1>;
% h, s W2 a# T) o! R elseif <condition> then# U5 \ ]( k+ y. T" ?
<statement sequence2>;0 T( J5 T% O% [& |% s7 q
else , N2 _0 |3 P; ~- G) A: y2 b
<statement sequence3>;
/ E x2 E( N, U end;
; }1 z0 B$ C" \如果分支比较多，用：) W2 P+ d1 T! R
inspect <expression>
& D5 D" Q6 q7 I) P' J when <constant_list> then: }. |3 A5 n% w8 G$ Q( C* ~3 _2 U
<statement sequence1>;9 a3 U1 H* _! s6 F, v% J: E2 J6 n
when <constant_list> then
# z" L* F7 s# i& T <statement sequence2>;
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else
' |. f* p+ V ]2 J. [- m <statement sequence3>;
9 v$ \9 H" p0 j, s5 B$ D4 Dend;( V; ~9 d2 P: r2 ~! J
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2循环语句% Z1 L. c3 T) K1 L
(1) from <statement sequence1>( {- I+ t0 H0 h8 g
until <condition> loop
/ @3 q- U( i7 p/ L" _ <statement sequence2>;
5 F) k4 p" v l0 M3 j end;
k. H z5 D, d. j9 M M (2) while <condition> loop0 {9 L% X/ {, [& p$ ~
<statement sequence1>;
* K2 k- I1 D* a4 _) `7 L end;& W: N( t: o! b" r4 g' _; S$ G# }6 A
(3) repeat
! {: O1 Y9 p- ~( d6 Q3 r1 ^ <statement sequence1>;# ]( k2 C/ z, v! _
until <condition>;' m8 [! X3 C; T+ n( A7 c
(4) for <condition> to <condition> loop
% e) ^. c7 A4 r <statement sequence1>;( F2 `7 ]2 V2 [! C: I: ?& g
next;; C X! P2 M1 S' U7 e5 V( ]3 v
3中断语句
" L3 t" k( r" k* p$ a) t4 r waituntil <condition> prio <integer expression>;+ f3 `: n }' L D3 `* E
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以上为常用的函数！
8 K' S) J9 W/ f2 |4 q* q还有很多，如有需要我把资料发到你邮箱里 ! o2 t2 \' y, U8 f5 ~9 M7 K! ? H
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