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发表于 2012-11-13 08:48:12
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1判断语句/ R& S( H2 M3 A3 v7 S* o
if <condition> then ]# x K8 d% l* H8 V
<statement sequence1>;" E: x+ V2 V2 V
elseif <condition> then' G) O7 E; Z8 ]+ m, [% X
<statement sequence2>;* x% Y3 w) Z, X) T* }' D
else $ m; Z7 v* t2 t5 Q" F; [2 ]2 Y
<statement sequence3>;
1 X; j4 Q9 z5 k end;
7 G$ H) c4 O, f+ h3 ?3 Z如果分支比较多，用：' x" X( e- ?- P$ }" P1 c
inspect <expression>
. \2 I" ?6 y8 N; p# I# q& ` when <constant_list> then, e* |* H( R) S0 Y7 t; s0 \2 D4 y* B1 M
<statement sequence1>;3 t3 T# w, m7 x
when <constant_list> then, {; i" j$ F8 f
<statement sequence2>;
2 b6 O# n% t/ O# F ...
! A) \7 \+ J1 M4 Y3 l8 j else
- b( P# s/ C9 d <statement sequence3>;" H7 X# i. P" k4 T
end;7 U% V: \8 v$ {/ ^
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2循环语句
" ^/ A( L2 F( E7 C; t, N) [( s (1) from <statement sequence1>' Y0 x }. s6 p; ^- Y
until <condition> loop" S1 M3 I; H, B. N% ? j q$ p i
<statement sequence2>;: L% m9 i; ~, i
end;- N/ A3 @% O, F. c% H
(2) while <condition> loop
, E( y: c4 ?% W <statement sequence1>;, O- u: G- s$ U
end; S' M$ X8 d( \" B; p' X
(3) repeat
+ l8 \" X6 ?& j2 V7 J/ G <statement sequence1>;
" P$ E3 x" v" w until <condition>;
7 q3 M4 Q+ T0 _2 z- S (4) for <condition> to <condition> loop
* d; A- ?9 [# O, L; V! E2 ?& X <statement sequence1>;( T) ? ?. B! f" B& ~
next;4 M; M. B+ T& i. s( ^4 t
3中断语句
% r8 ^8 o9 _" \6 L; K waituntil <condition> prio <integer expression>;9 c* {. y7 p: n
! s, w: i8 w* }4 h( E* g) E1 ~9 U- h. S* \0 S3 `: J
以上为常用的函数！
1 v) M' A0 d$ ~! q还有很多，如有需要我把资料发到你邮箱里
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