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发表于 2012-11-13 08:48:12
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1判断语句& _2 I& L1 J3 L0 o, P+ d
if <condition> then
1 J& J" Q; ]7 D' ?/ ?0 ] <statement sequence1>;
: e$ Q/ Q: ?9 C# ]' m0 L( e+ b. _ elseif <condition> then
7 U$ [, a" V% z <statement sequence2>;4 }, T4 R. t$ a& h5 ~( r$ M) m
else
[1 `! v0 P. H- k% u <statement sequence3>;; M/ ^5 [5 s" F9 x9 L5 g
end;
7 ?% Y& ?9 J+ ]0 K0 q如果分支比较多，用：* _- k* s' m3 g
inspect <expression>
4 s7 [) `$ s4 M: ], l5 f& } when <constant_list> then
% X$ j; i0 [& }) F$ Q4 ] <statement sequence1>;
' P, V' P; s9 } when <constant_list> then9 N$ H0 e1 x4 h& S* j0 L
<statement sequence2>; F7 K2 X+ B- L" }
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else& h3 T7 V2 u/ J1 Y7 W
<statement sequence3>;
3 L9 k3 ~! d q" I2 t3 I6 eend;
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2循环语句
" X9 b$ R6 D5 l) w5 T3 W$ q) ~( T (1) from <statement sequence1>
" Y, [2 _7 Y0 a' A( O( a6 a until <condition> loop- H. v, `- x5 s- C0 o, j
<statement sequence2>;& p0 x9 s) Z J
end;3 Q0 `, ~ d, f) c: J5 v
(2) while <condition> loop, Y+ b( L0 G5 j/ v: |- O% _
<statement sequence1>;' _) f3 T% L' F }8 k
end;' {: D2 ^6 {( K
(3) repeat 8 F, n3 B+ K, i9 i% d
<statement sequence1>;& j5 j+ D' M8 {1 ~% k; f$ S2 C; o1 m! o
until <condition>;& L0 O) ?$ D1 `- b
(4) for <condition> to <condition> loop" F7 j$ E! [% `8 v, B3 q
<statement sequence1>;- s, X6 ]$ h y% K2 c- G, j& D
next;
. p9 k. Z& z3 N- T. O3中断语句
" P1 D9 J( f5 O+ M8 V8 y waituntil <condition> prio <integer expression>;
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% M0 [2 c6 E; Q6 {以上为常用的函数！
; L9 N E4 t( G" M& J还有很多，如有需要我把资料发到你邮箱里
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