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发表于 2012-11-13 08:48:12
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1判断语句+ Z! T# B2 `2 ]) R
if <condition> then
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; z6 O9 ]3 k7 a' `9 M* g, U( O elseif <condition> then" ^) L6 P4 U5 @4 X( X
<statement sequence2>;
) h& b# Y& o0 \& V else
3 U1 }+ `* }1 e <statement sequence3>;
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如果分支比较多，用：
, B' y3 |& ~: ^" |. c m inspect <expression># R0 ]) u/ U& \! D
when <constant_list> then4 u5 }) q. \1 u. b! v
<statement sequence1>;
8 `* j. L6 E S. j. Q( m% @6 m when <constant_list> then. y# M( m o) |/ R$ e1 ?" k% }' n% Y, o
<statement sequence2>;$ z- B" }( _3 n0 x( I
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else# {" F- U1 k! w8 [* J& F5 ]7 z
<statement sequence3>;
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2循环语句5 i4 |* |. Z$ Y D( o- O+ a6 }1 g9 p
(1) from <statement sequence1>
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) u3 c; }$ J* Y7 L <statement sequence2>;- p1 y# |! h, O, S
end;2 n: ~7 ?6 L+ d! e! e9 i% n
(2) while <condition> loop6 m% `$ m9 E# h+ D* N
<statement sequence1>;9 h$ Q% T+ Q& S) p) N
end;. s. f C- b6 g7 C( F
(3) repeat
2 n1 L' I g) x$ p1 {$ _* ^+ j <statement sequence1>;9 c8 E( y1 I: p# C+ _4 g) u
until <condition>;
z! C) @' S: r3 c; l (4) for <condition> to <condition> loop
3 ?3 n: }" }, H4 w( {9 ?' m <statement sequence1>;, U# e1 w7 b0 L- Q
next;* A3 r: ^/ ~) ^! H
3中断语句. i' R; G$ [, i5 f. A1 @* G
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
7 D/ o+ F: r" g; @9 m/ g还有很多，如有需要我把资料发到你邮箱里
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