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发表于 2012-11-13 08:48:12
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1判断语句3 E9 n, M% D, T* ~/ M( a- _
if <condition> then3 \8 `0 N' `$ s( P1 |$ ?8 ~
<statement sequence1>;
& R2 y$ z& U. Z ]( K8 g elseif <condition> then: W' |) t# t6 E- O9 \8 u3 P' p
<statement sequence2>;
: i% ~- _8 ?, A else ; v$ q* V& D( k$ J
<statement sequence3>;5 N, M. s! J$ G% E" e
end;1 M' V7 s, R R% B$ ~- e; _4 s3 l
如果分支比较多，用：
) _: T+ n5 n/ f+ s. M inspect <expression>
+ S) y" a6 Y) z, r6 \8 y/ s when <constant_list> then' c3 U6 ^) N' @" L* m/ O
<statement sequence1>;
% x: Z1 A& r) b0 _+ U( c when <constant_list> then
7 \* [+ m9 n$ m. i <statement sequence2>;
' W0 s1 ]# E, O# v ...
$ Z5 z3 L- M) y( v else
# {% H; @& A0 d- h2 h <statement sequence3>;
" t' p' \+ d% ?; G; y+ eend;
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2循环语句
% c* t: M: S) N, ?, |5 N l (1) from <statement sequence1>% v! |0 m1 v+ ^5 `' }8 z" t* t
until <condition> loop! D0 B. P% f3 k- ^
<statement sequence2>;- T& n. A# e. y: P3 Z" M) n3 q3 \
end;
( c+ ?0 B, Q. l0 p8 v9 V (2) while <condition> loop, O$ R% H! L) C
<statement sequence1>;0 Q' E/ t0 c+ {( [: A; w
end;, c/ P3 W) d- y/ K% R @' F( X: J
(3) repeat
3 B- b1 R5 l( j. A- v <statement sequence1>;
) Q0 n% A: q9 r until <condition>;
! m6 z y9 U/ s (4) for <condition> to <condition> loop
4 ^' ?5 H- H; T) I5 z1 L5 x; b- ^ <statement sequence1>;
/ T& t2 f9 o J! U next;
: O" o+ O7 Y9 D3中断语句" B# M/ c0 M3 I A& S6 O9 L
waituntil <condition> prio <integer expression>;
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# q' v8 [ Q: M) q/ k, G/ G以上为常用的函数！
, O' @( T6 B K还有很多，如有需要我把资料发到你邮箱里
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