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发表于 2012-11-13 08:48:12
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1判断语句& h& M A9 u) }8 k+ v
if <condition> then5 f0 u' Z: k7 ?/ B
<statement sequence1>;
( i/ f, P4 Z* n- Q0 l( y elseif <condition> then
- ^! F' t) K0 G, N2 `9 W <statement sequence2>;. ^9 w( t/ l/ J. \' p2 f
else
/ n- r7 [3 ?5 A <statement sequence3>;5 a3 A* ^' |% N) }' d6 w' Y
end;
) U1 X3 S8 }2 }. z如果分支比较多，用：6 [1 H% {9 j3 x
inspect <expression>
9 ]7 `" Y/ f1 e& H, t* x# B# g when <constant_list> then2 X- y7 P( Y* u9 W. E1 _' }
<statement sequence1>;3 x# g8 [" h8 t- Q; m$ j, D5 x
when <constant_list> then
1 e& d* x( Q5 s1 \& B) } <statement sequence2>;0 u$ b2 S' P# s* Y3 ]: u8 S
...9 a# I9 h. g% E4 Z" W1 y$ y, H
else: L5 T1 E! a+ Z. D5 H+ o
<statement sequence3>;% t, \$ M0 p1 O1 @5 b8 ?' @
end;9 k$ X* J- D; ?' y2 _) Z9 b" p7 c7 }
& q9 K. Y! j- _. K6 b K2循环语句
F: o! Y E+ S- I% Q/ T) o (1) from <statement sequence1>
2 j; J1 r3 l! N- t) Z" O% w until <condition> loop! Q2 x: O. D7 S# @- A" ~
<statement sequence2>;
) G3 z" a$ \. e! ^8 A+ b! E& r5 x end;
( a# [% k. T! T6 a$ o (2) while <condition> loop
& f( F* e$ J3 h/ m& b. \ <statement sequence1>;" N2 v* ]2 U3 k& l {
end;8 v% D( d: \' D0 \
(3) repeat
" h9 G0 X$ v, _$ h5 ~8 q <statement sequence1>;( j* z4 D+ s% V) K) I, n
until <condition>;( W7 k) w8 Q/ c5 q+ Y" }% Z8 V3 C
(4) for <condition> to <condition> loop
$ c0 y7 n7 a1 k9 y5 i' C4 N8 S <statement sequence1>;; M$ { P; K9 C& h
next;
" f4 ?9 b& @8 ?0 y& g) c% w% l; g3中断语句 n1 \: \+ M" T7 @3 q5 i3 Z" e
waituntil <condition> prio <integer expression>;5 P8 K% Z% q9 k! F0 @) M
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0 _: e' x I% z. _. ~以上为常用的函数！& H: A) w6 A: V3 e) ?' F
还有很多，如有需要我把资料发到你邮箱里
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