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发表于 2012-11-13 08:48:12
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1判断语句
`% ?, K6 R6 P6 P2 K8 f if <condition> then4 p* Q3 c0 n8 ^. J
<statement sequence1>;
! T# |: L+ z! W* t8 G* G# V elseif <condition> then4 E2 t0 v- t+ _6 R( a8 ^
<statement sequence2>;
1 j: `( I5 u; H5 J3 O3 G+ b% d2 g else
7 A8 A: M; L ~ <statement sequence3>;/ l6 N* A$ Y- u y9 Z
end;+ B. B+ p$ B [3 G) \. E
如果分支比较多，用：
y$ i6 x, a5 ~# D inspect <expression>
! H* Y# }: ~* e* d# s: `3 y, m when <constant_list> then: |+ l2 Z; Q+ `, f/ r/ x
<statement sequence1>;
* w& h' L7 _$ W( P when <constant_list> then, O) O; d7 }1 g& o9 P$ c
<statement sequence2>;
( z! c7 \/ m' `3 d ...
5 D$ L. u& o# a# B, ^) p else
- x8 H. n( C" R1 [* \7 s <statement sequence3>;2 @% |9 a" b: r
end;: Y/ o; h/ X3 n( G" C* Q
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2循环语句& R. W. @) u9 `
(1) from <statement sequence1>, h+ J, V( E# f0 j3 d: A1 E$ X
until <condition> loop
* p# y& A, Y, Q5 o6 l0 d% ?3 G <statement sequence2>;
/ u3 A8 M/ N) g' M0 @ end;
+ \8 j2 k: P, d (2) while <condition> loop
- S, V y# G; I$ W1 K; U$ {( C& N <statement sequence1>;
% C) }: U2 q/ U2 \% {- X end;& A. f! e& ?* H& ^ [) e5 S! t
(3) repeat
$ }9 q$ @5 S% t8 q3 L$ k4 ]: S <statement sequence1>;! N) M X# m2 t5 x9 ?% y
until <condition>;- e4 A) g1 ~" y, |
(4) for <condition> to <condition> loop/ Y t8 Q% O7 B+ K
<statement sequence1>;
' `; g. [) O/ p# W, U0 t next;
* U$ V* Z. M% j0 h# g0 G# ?! P3中断语句
k& x- c7 I- K( V, [3 |/ j waituntil <condition> prio <integer expression>;
- r! _' c5 B8 o9 j5 a. ]+ l1 Y# v9 M! S8 `: } i3 j
5 o4 ~% r5 S5 P1 z, A O2 W以上为常用的函数！ w0 ^5 C9 K8 g" \' h! P
还有很多，如有需要我把资料发到你邮箱里
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