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发表于 2012-11-13 08:48:12
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1判断语句- b4 m& ?2 P/ x* l- l2 L3 g* ?
if <condition> then
1 F4 c; u, v9 c5 @ <statement sequence1>; \& T# S( g) U# A5 }- v
elseif <condition> then
' j: h1 Q& i9 C/ X! B <statement sequence2>;
* H Q" Y! m& N( N else * D" `* ]1 z0 b: H
<statement sequence3>;+ B7 n+ d" A' N' U
end;
! Q; e6 s2 E! |8 q$ \如果分支比较多，用：" Q! x7 V+ B* w( g& y8 O _
inspect <expression>, \, ?) K4 Q; d! r" n
when <constant_list> then- Q* p% v6 w$ ^3 {# f) A
<statement sequence1>;9 k8 O5 L0 M @/ {
when <constant_list> then" Q( P$ A. Q' l3 l5 J$ _4 I1 c
<statement sequence2>;7 l8 _6 i/ y6 R( E r6 }
...
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<statement sequence3>;
* Q, C' J0 R+ B$ V6 ?' x# a2 Pend;
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2循环语句! u4 e, t4 j& J' {0 B" ^/ I
(1) from <statement sequence1>4 h! n! k. B! T( c
until <condition> loop% V+ V+ c% |" T
<statement sequence2>;# T$ l+ V* @9 H' t+ C
end;
' `. S9 A1 `1 s( i) c$ [ (2) while <condition> loop% E1 c2 ^+ z- m" `% ~% `5 y
<statement sequence1>;- B7 K- F- o$ J9 ~, U
end;" T) d1 g( }0 t Q
(3) repeat 4 e: o8 D4 l" `( U
<statement sequence1>;: O( |# }- ]5 P' |9 p$ G4 e8 \; c
until <condition>;
/ {) X2 u! T# W) q5 p0 V" q (4) for <condition> to <condition> loop
4 ?0 s& \+ X. ]: c L5 r! n <statement sequence1>;
6 i# G5 l u9 F5 R next;
: U: L, G( o1 F4 V5 f2 ?3中断语句
, K% T2 B" t8 i9 y; }% \! u4 D( ^ waituntil <condition> prio <integer expression>;
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\; @2 S; W' r0 U* W. T! [ B4 [2 f
以上为常用的函数！
! A* f) s" E6 A3 E8 D2 N k) \还有很多，如有需要我把资料发到你邮箱里
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