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发表于 2012-11-13 08:48:12
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1判断语句
! U& p2 S$ J+ T$ m. G if <condition> then
( X( K. l, r& t: a) G <statement sequence1>;
$ s* R4 |$ n* C) F# `# Q elseif <condition> then- l4 T/ c1 A) _- N3 y
<statement sequence2>;, a& w$ X8 H* h# v1 h6 v
else 8 k# }" `% z |
<statement sequence3>;8 E9 z5 e0 p- d+ X( v
end;8 v' B6 d) E9 Q. z6 V/ w+ q: U
如果分支比较多，用：7 b2 q+ `, i1 F8 Q
inspect <expression>
( |' j& S8 {+ e) y" u* F( Q when <constant_list> then& N8 M0 \8 k+ F: s9 E
<statement sequence1>;* w) L+ K7 O% q! v# g- I
when <constant_list> then% T2 m a) ~! ]3 b5 ]1 T* n
<statement sequence2>;
7 K9 _% V8 [. q, z- b ...
5 _3 T0 Q7 [3 I else; V \$ s6 o z" A2 y
<statement sequence3>;
. X3 H" j9 ^: Z/ H/ Rend;
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; M& [( \, q- H2循环语句% E+ `2 U* a2 r, v* B" \4 D6 ~
(1) from <statement sequence1>+ W7 {. t" {# a5 q+ t7 b$ l
until <condition> loop
+ k4 \0 a" @7 ]5 o9 N, C. L$ z <statement sequence2>;) D/ x9 [2 G! D
end;+ k+ f% g& D$ }( U( D
(2) while <condition> loop
2 x Q2 G9 s, B! t( j <statement sequence1>;8 Z+ [7 b$ I; ` R7 j
end;' q$ Z# u, x1 J4 M2 E" ^' S4 T
(3) repeat ; z& _0 [0 K- p) Y
<statement sequence1>;9 w, M/ n3 l0 o, P, g! p
until <condition>;& {. }" c6 H: B3 _9 N# [+ F
(4) for <condition> to <condition> loop
3 y2 g# ~7 o/ C# m9 v3 A* D& S4 i/ g <statement sequence1>;
5 |0 y) N% M' X1 \4 C" H* Q next;
+ _) T' `0 [' e% {3中断语句) ?1 r4 {/ a' X8 f7 k. M% p
waituntil <condition> prio <integer expression>;
$ _5 @4 C6 x# f' B3 {: {9 j5 i* s6 b* K4 k) A; m
: d( B0 h: g1 ~7 F3 e以上为常用的函数！
& S2 E6 E8 }# ~$ c还有很多，如有需要我把资料发到你邮箱里
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