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发表于 2012-11-13 08:48:12
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1判断语句0 r4 h9 `( {) s" m
if <condition> then
+ \2 D0 r8 d8 y `1 } q0 _* p <statement sequence1>;6 H. w; n# j( U' }
elseif <condition> then! O, f v/ w1 d/ `. C3 k
<statement sequence2>;
7 v) ~/ \6 F/ [9 ~' M. T; [4 _ else
+ A9 S! F( i2 f* `/ T# _5 A8 A <statement sequence3>;6 r1 \8 g1 x$ s" m! x
end;
+ A9 v5 [4 l- t* x) Z. c' X* _如果分支比较多，用：3 D. S3 F) P: f# V
inspect <expression>
; K3 L3 S" S6 I) K: v5 l7 N% Z when <constant_list> then. l0 ]+ Z0 x% b% X7 Q1 W2 C3 N3 Z* N
<statement sequence1>;8 a' ]9 }$ G& \' U M2 ~
when <constant_list> then/ t2 G; ?7 n- Y* f& D
<statement sequence2>;
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else
: d8 L& f- Y3 B2 d5 m# [7 _ <statement sequence3>;8 k5 s: d7 L6 m( w1 i+ ]5 }
end;
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: R* }1 o. F2 I2循环语句
+ v# E3 V `9 @0 h/ k (1) from <statement sequence1>
; _' P+ {5 d2 o) e) X U until <condition> loop: H* {# a! A3 L9 p+ D
<statement sequence2>;
: n, x, y' v z1 @* ~, ] end; H v# r# Y) Y7 ]9 P( s; t
(2) while <condition> loop8 Y5 Z$ U& t$ D. L5 y, m* ]* e
<statement sequence1>;
5 {- {0 h3 ]7 t) A8 Y9 @* J& \ end;
# X% N$ g+ O# ~$ M (3) repeat
5 |( q8 E, y; C <statement sequence1>;
, ~% {# R; ^. {4 I, F until <condition>;% T8 W X3 j3 D1 }+ O5 D: T# l
(4) for <condition> to <condition> loop5 ~% z/ g# c4 x& O0 ?, I
<statement sequence1>;, m- ~; ^8 S7 {% x
next;. }+ U7 J- x& b0 \" j7 q
3中断语句
) {& m% y. C. h# m3 F waituntil <condition> prio <integer expression>;
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以上为常用的函数！
" N; e7 Y* a4 B8 `还有很多，如有需要我把资料发到你邮箱里
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