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发表于 2012-11-13 08:48:12
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1判断语句' _ r( F9 P, f% J8 C2 |
if <condition> then
) z# I1 \$ N8 C2 ^9 g8 y/ b <statement sequence1>;+ G a# L) K4 O% P6 t
elseif <condition> then& ~ F( @/ j$ p5 r7 b% |
<statement sequence2>;5 N3 R! N& q- U5 |* T. e' @- n
else 4 y {) t$ j& W* f3 j
<statement sequence3>;
* X# A$ l# k! N3 ~ end;$ [8 K/ x9 s7 }* b- ~! u' J. C) p
如果分支比较多，用：6 x h, U- X3 j% _4 J
inspect <expression>0 w! p- A, o2 ~! W+ v/ r/ ?
when <constant_list> then
, r, ]& v1 t; h/ L' i! A0 H) T" I <statement sequence1>;1 P6 J, b! t/ z3 L! e: o
when <constant_list> then
2 N7 y3 H2 y) i <statement sequence2>;
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else
2 R8 i+ l$ s& h# U# A8 [6 _" e' E <statement sequence3>;
% R0 g% a: w4 J0 t: xend;3 D# ~: X7 X3 u
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2循环语句
/ L. V! u* J" c u1 V4 ? (1) from <statement sequence1>" H& C+ X& f$ c3 x; \) d
until <condition> loop1 M& y9 f' U% P: b; `7 \# u
<statement sequence2>;! T0 `+ i1 i* v# V; H) x+ f
end;
2 I1 [% {+ t# T1 v9 g/ c (2) while <condition> loop3 x5 O$ j+ t+ i& {
<statement sequence1>;1 ]* @' y& i @
end;8 }/ ]: c8 q9 r& g. @ H- q
(3) repeat
' e+ g+ z$ Z/ C2 e6 Z4 I <statement sequence1>;- y& Z' e' a; u7 ^2 t! x: n/ y
until <condition>;4 c% r7 R& L/ B1 \9 b" c
(4) for <condition> to <condition> loop
5 d2 m) Y) a- t1 i# x; o6 } <statement sequence1>;
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3中断语句5 _- g0 ]% [; v7 X
waituntil <condition> prio <integer expression>;( b [5 X; [3 |- l) y0 e/ E
9 _7 T5 _- ]3 ^ Z9 z: e
4 }' j: f5 m7 G( \' J: C2 A以上为常用的函数！
) [ `3 [% g9 M7 l还有很多，如有需要我把资料发到你邮箱里
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