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发表于 2012-11-13 08:48:12
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1判断语句( V+ c; i% ~9 b: e2 f
if <condition> then m6 J. A5 Z$ N( A
<statement sequence1>;
* e' z) ` }' J% N; T d elseif <condition> then
, L/ s2 X' K# `2 r <statement sequence2>;7 u( @- B! g; x+ E' o
else 7 y5 H: F( x% ]$ u! M) ` N# H& L
<statement sequence3>;
$ x6 n6 t9 ~/ |* ~! m end;
0 h) E! h* B/ Z' Q& x: \* m& P如果分支比较多，用：6 U7 }; ^ o3 |. W2 W
inspect <expression>
& m7 J, V- {. L; }6 G) x when <constant_list> then
, t+ a; ?; h6 y- x, c8 s' u <statement sequence1>;
- o# z9 k; j# | when <constant_list> then
9 b0 d: |2 r" Z2 p <statement sequence2>;
# J% T; ` h# d% k& y ...
* V. M; B+ Y6 v1 ^( q) b else
- k- G4 J# @* j5 V0 y <statement sequence3>;
+ R' K1 Q$ j2 Rend;5 g; R4 \3 ~1 ~ B
7 M8 T; ^0 o$ ~2循环语句+ t0 _1 c8 r1 x6 V; u- A
(1) from <statement sequence1>+ k& o( |/ X+ t5 d1 @3 k
until <condition> loop% V9 T( C* n) J6 Z3 K9 W: T
<statement sequence2>;
; |* h- C; C% J2 s end;
! t7 C% F$ M8 d (2) while <condition> loop
( b- g$ ~0 [1 s, {5 e+ u8 {! w <statement sequence1>;3 L V( r4 ~4 h$ @6 q2 l
end;2 p# V6 C9 q6 Q
(3) repeat
# }$ K) F6 S. I0 B* h <statement sequence1>;
. o- b# w) S) x! M) R" g until <condition>;4 F3 T7 I2 t$ x" `/ D5 }
(4) for <condition> to <condition> loop
0 i8 w j/ b2 b: e5 J2 Z* q% I: _$ P <statement sequence1>;
% }' I6 h1 u, O+ j: D. N6 @4 C# R next;
/ ?+ F; w$ }0 Y' I+ m3中断语句. ~8 G) j. r7 Q8 X& }- A+ v$ q
waituntil <condition> prio <integer expression>;
* I: B" Q- |$ g0 P/ }% O" ]
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以上为常用的函数！
& x7 M7 L8 ?0 d5 P+ \还有很多，如有需要我把资料发到你邮箱里 7 l A0 C! M1 F: S
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