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发表于 2012-11-13 08:48:12
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1判断语句; c. Q5 i# m# r/ p
if <condition> then" O V7 I0 V0 Z7 k
<statement sequence1>;
! K& U6 Q& O) L& [% C elseif <condition> then
! k# f. y+ M) @$ e/ S' G K <statement sequence2>;
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<statement sequence3>;) E1 L, ?/ X2 G0 Q c. l
end;; {& c" `( c4 B u, n& k
如果分支比较多，用：
; J; [! q1 S3 k' x inspect <expression>
( |4 f: a" b9 s: F when <constant_list> then" O6 q2 A6 K8 U' U6 j
<statement sequence1>;
, `: B0 k# ? r4 i: x1 ]$ Y when <constant_list> then
& I c; ~9 r. r5 s2 [) M <statement sequence2>;
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else
9 S! A, P o4 g9 n, i# z8 L <statement sequence3>;* F1 l6 j( H" S5 W' g6 }
end;$ F8 m! i5 k6 a& f# D; Z% w( \
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2循环语句
, x3 _+ c! B/ v4 X. s (1) from <statement sequence1>( |# K* F3 l$ I& w
until <condition> loop
: K" A7 q* Q' J. Q# M <statement sequence2>;3 V# w v/ A8 h1 E, e6 T
end;
3 M" B: e& q* M. d (2) while <condition> loop: J; I! `; I% F& ]8 F3 E
<statement sequence1>;( v$ v$ M4 U9 X
end;. V; f/ F% `/ q3 y+ A
(3) repeat 1 G" f; F! ^2 o4 P1 Z4 D
<statement sequence1>;0 v& {7 f- Z0 m9 R. ?1 V9 D; Z8 Y
until <condition>;
% `3 `1 O0 O) l* w I# B |1 c (4) for <condition> to <condition> loop- h' g. d) {9 m
<statement sequence1>;
* I6 t- {% |/ j; q# u next;
! s* Y6 Y _, b) {) s$ B! q0 [3中断语句9 }: g' n! M; i, Y G( J. R2 i
waituntil <condition> prio <integer expression>;
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( w/ T0 ]( r) `- t7 @, F以上为常用的函数！+ h; n0 ^3 ?0 ^+ O9 S8 l/ l6 P& e, y
还有很多，如有需要我把资料发到你邮箱里
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