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发表于 2012-11-13 08:48:12
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1判断语句
& K6 { _, k3 }* y1 y if <condition> then
1 y& T! I5 ]% F" O9 c2 b <statement sequence1>;) W3 K1 V, b( Y
elseif <condition> then
- D- m. |7 r4 f$ G <statement sequence2>;. O& p" Y: x$ d5 Q) g% I. J
else & l& t4 G, R- Z( H4 v
<statement sequence3>;: }1 y) r' [/ b+ A* I' X/ m- P$ P
end;
6 s& r) P5 d' V, n; f如果分支比较多，用：. V: E- q# {6 r- W1 y5 I+ b
inspect <expression>* F! C7 B) X9 V! _# p
when <constant_list> then
2 k( B( L" O1 h, L: N% ` <statement sequence1>;
" L9 }# d4 C4 D4 k+ Y/ K when <constant_list> then
' ]9 s" @* P3 X1 J <statement sequence2>;
! F- T$ B# L, O9 u: d: e7 h ...
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<statement sequence3>;
# i# p) z& ?2 M+ G* |end;; J. z1 O1 L, h6 q/ K
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2循环语句+ H$ S3 E4 s0 L
(1) from <statement sequence1>
4 n' z5 `2 `- J. m5 _ until <condition> loop$ I+ Z4 d7 F3 o) T8 \
<statement sequence2>; n) W' k: r, | b$ R6 R
end;* W3 ?6 e: Q: H
(2) while <condition> loop
$ u* J& K) n% \/ ~! k# V) E9 l, p <statement sequence1>;
4 L4 ^1 J# ^ X' L4 h4 d3 l( F5 T end;
7 r6 {; \# f, I% V1 h; R P. a5 E (3) repeat
$ x, |7 K0 i( s: J% |. } <statement sequence1>;
% U; p8 k! W2 H# J' |" q$ ~' Y; R until <condition>;" l" J' X5 |( `4 q4 u# }* @; j2 ^
(4) for <condition> to <condition> loop- Y- ]8 a i5 ]- i
<statement sequence1>;9 j0 H w" X7 x0 |
next;
" M( I8 H3 }* O7 T5 r3中断语句' H- v$ i4 Y i9 ]9 T
waituntil <condition> prio <integer expression>;
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t* E- Y4 G3 e以上为常用的函数！- g1 k- ?' Z, F
还有很多，如有需要我把资料发到你邮箱里
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