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发表于 2012-11-13 08:48:12
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1判断语句
`) u( s& M1 a3 L, H) K0 C0 j6 b if <condition> then
h5 Z; R( ~- b* h2 i# b <statement sequence1>;* O- i* r N3 g+ `( P( J
elseif <condition> then& o5 T3 [! F+ ~. x: l: N6 _
<statement sequence2>;$ r. r* G) ~8 h, \
else ; w; M+ z& e1 X* O8 w
<statement sequence3>;. k- Q' B' b. }; P# y P
end;
, L" T" _3 L7 s6 a如果分支比较多，用：4 t- \4 k( a+ R( E" Z
inspect <expression>
# c+ C: h1 p8 e; C7 Y! e9 G1 O) | when <constant_list> then) D+ r; W; l* U- W6 s) }) X9 e
<statement sequence1>;9 k( q# e0 I" F5 s( ^
when <constant_list> then- u8 [$ ~% o) ]5 }. L2 j+ F
<statement sequence2>;! X% a: E) Z3 e0 A8 Q+ c- B# p1 q
...
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<statement sequence3>;
6 x" u8 T' ?1 o& \) `6 ]end;* b0 @( N: O" ~9 J: p5 U7 u3 z8 p3 P
/ j9 X+ U. i# x1 z; V/ O( F2循环语句
, V# Y2 Y% A# F% @! l$ v8 D (1) from <statement sequence1>
7 {8 ?# y( X( e' i# |9 f# f2 a( T4 b until <condition> loop
' S8 C. n4 ^! ?+ r" x7 J <statement sequence2>;
) H7 K# H/ d, k end;
7 w) {& }9 \5 [; Q9 }. ~: T! z" e" } (2) while <condition> loop
9 j! g4 [7 x# a3 z9 Q! ^, d& g <statement sequence1>;
4 U0 h3 W, e8 c7 w3 }- {- w end;
4 A- C" ? c& k( m3 i6 D (3) repeat ) c: V4 c% r" m" s9 x$ j
<statement sequence1>;
: g7 G% D. p3 Y, V. v0 { until <condition>;( `1 j, L9 o: V2 H ?
(4) for <condition> to <condition> loop9 x" `! m: U$ \7 A5 F
<statement sequence1>;
+ I- X% ]8 B$ w3 [1 ]7 e next;, L; e) q+ S9 p6 A" V
3中断语句
' V3 j1 ?0 V9 j3 ^* S. D( o waituntil <condition> prio <integer expression>;
) F. J+ x) d5 _- S% T& X7 q. P, \' q' ` x* a
' F) _6 _ X0 s/ b i1 n以上为常用的函数！
) g; x& D4 v& P0 x还有很多，如有需要我把资料发到你邮箱里 * a' d4 X4 t$ I4 O: k
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