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发表于 2012-11-13 08:48:12
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1判断语句$ l7 ^% e# h7 V" c. L2 y. q* d
if <condition> then$ U# t: I( M8 I# C+ G# E
<statement sequence1>;
! j& a, f3 V0 { elseif <condition> then
) k+ v! a9 t7 g$ {4 O/ F a <statement sequence2>;: Y) _/ c% L8 v E$ |$ ~
else
0 G) Z% K5 O3 R0 `* X% r H <statement sequence3>;
7 e! l2 I; ^2 ?5 U# b& ^# l end;
$ \+ @ p0 x4 y2 K% t. E' ?如果分支比较多，用：1 ~( f% h+ _% o& P. p
inspect <expression>" w3 k6 J4 {& u) w) T' B0 @
when <constant_list> then2 i5 |0 i! {$ F- P& Q |% X
<statement sequence1>;
# ~) C& l; H, I- o1 U when <constant_list> then1 x$ q I: Q# e: A: ?$ C
<statement sequence2>;
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else
; E; D6 h7 i" [ <statement sequence3>;) t0 d+ |/ I- a3 P, s+ X
end;
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2循环语句4 q) u D. h4 S+ e+ _( ]* S" v
(1) from <statement sequence1>" x6 e7 Q. p( O9 r) G& i5 U
until <condition> loop
; j0 m3 a+ u9 L; B9 o @8 _ <statement sequence2>;
1 [0 C6 h% j$ K) n: O end;% V1 S0 H- R# R9 m
(2) while <condition> loop
9 N% _* K) W5 V5 L0 L <statement sequence1>;* a" K# {) X' I) w( _/ W
end;
1 \, M4 q4 U, z' u# F8 o' O1 n (3) repeat }6 w6 C3 D$ ?9 B1 Q$ c
<statement sequence1>;& k t( K7 I: P l
until <condition>;
# q1 W* D% u2 D @ H (4) for <condition> to <condition> loop+ c; q2 U* q. i; M
<statement sequence1>;
& Q" A/ P. P$ W0 g+ n next;! R6 L( G7 T Q5 M- T1 b2 a. A
3中断语句
) H2 s/ T1 o( Y) f waituntil <condition> prio <integer expression>;& n9 i! c' H$ A) U9 l- U
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以上为常用的函数！
! ~0 m' N+ q( j7 n. z8 y: A还有很多，如有需要我把资料发到你邮箱里 2 ~' M5 r0 i4 S) @: \
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