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发表于 2012-11-13 08:48:12
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1判断语句& Y% V1 A' n8 y
if <condition> then
! V z- h& [0 D <statement sequence1>; |8 m' I6 w! s$ k% ? K8 }
elseif <condition> then+ ?1 I) K( c6 y& [0 W R0 T: b
<statement sequence2>;, [$ o; q6 |0 D& W8 V8 x
else
* L6 n t# C5 X <statement sequence3>;
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如果分支比较多，用：* ]4 u$ Z; N+ y1 t% [' p3 k, x; ~
inspect <expression>
p7 X- O2 J0 b# p- F2 W3 t% W+ t l4 U when <constant_list> then
. o; F& U7 t [0 [# Q <statement sequence1>;4 u. Y, j) V# v6 f
when <constant_list> then
4 x; R2 }% h4 `2 H9 [ <statement sequence2>;
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else8 N/ k I% r7 d2 w4 x
<statement sequence3>;, `" T% x+ c+ _, Z& K
end;
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3 |2 m s( Y# X8 G$ N& d2循环语句
) |- [ Y. h7 K7 q9 K (1) from <statement sequence1>+ S, ]3 Z' l; R, r0 C8 O
until <condition> loop: K3 A6 R; H* a$ g6 y3 Z
<statement sequence2>;
, D2 J( M7 R% \8 I/ m/ c0 P end;
/ D; w7 j' c$ `" | (2) while <condition> loop
1 K' {9 v3 P1 S/ F3 t" I <statement sequence1>;$ C7 d$ B. T. F$ V {3 K
end;8 `- _9 x8 ~. B* J2 M
(3) repeat 5 l6 Y' e8 b g6 l/ J
<statement sequence1>;5 K) ]& V# }/ \0 \- V& ]- j8 A
until <condition>;5 v# i* _& Q2 O! N& {
(4) for <condition> to <condition> loop/ R: D- s' t0 r' M) H2 b, f& C
<statement sequence1>;, @7 d- r4 A" e! W# x1 Y% j. ?
next;
' { u* ], J1 _2 J. i! B$ R3中断语句
, D9 x0 t) D7 b8 X: W3 p waituntil <condition> prio <integer expression>;
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以上为常用的函数！8 R% n H+ N2 y: ~7 I
还有很多，如有需要我把资料发到你邮箱里
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