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发表于 2012-11-13 08:48:12
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1判断语句) _; N0 t* `2 Q' H. F% V
if <condition> then4 s+ U9 T, a T3 p0 M
<statement sequence1>; L0 U* C* h, t7 z: x/ l$ f
elseif <condition> then
- A- q9 ^# B( v2 e" e1 X7 c <statement sequence2>;/ h3 G$ d8 n. K; m9 Y
else
& c+ _ h& ? A+ r <statement sequence3>;
3 G7 k1 j# R' J9 z# n ^ end;
& s2 O. W2 }! ?( V% @/ ?; A' z如果分支比较多，用：3 U( K( D1 e$ r. T. W- {, i
inspect <expression>7 O; H* X/ n( w5 ?
when <constant_list> then
9 }. j' G' {+ ~. k! l8 E3 e <statement sequence1>;
5 d" o, c# T" e ^4 P- X6 q when <constant_list> then3 ^( w" j3 m+ ?) b5 \4 m9 k
<statement sequence2>;3 _- B; S, p, n- v; n
...
0 J! q+ S1 N: [5 {# p6 G; U% P else
7 A, |: b* N9 B8 @: l; i <statement sequence3>;
. I2 f! e+ d$ ?$ S' send;
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`% r% _: u0 M; ~+ p- X2循环语句4 ^* V7 Q4 i# Y
(1) from <statement sequence1>) G5 A5 w) ^4 m/ E
until <condition> loop
, E( W% f; o" U1 x% q p <statement sequence2>;
8 i8 q% m7 v# G3 ]8 B! R" R( p end;$ x0 Q- Z0 l j2 q: H
(2) while <condition> loop) X0 [& G% p5 ^ ]9 Q9 D
<statement sequence1>;
5 V8 ]* s4 y; H# h; Y end;8 y( Q( G) ~3 G- e) d, ?
(3) repeat
2 G5 [+ t& {" }5 q <statement sequence1>;
8 O. Q8 [+ i k- D% t7 {1 f/ N0 ]3 y6 n( ] until <condition>;
$ G, a. h" ^4 o7 Q6 ? Q (4) for <condition> to <condition> loop
% @ f- ], C6 _ v9 Q5 ^ <statement sequence1>;( Z3 [3 `2 F0 f3 X" z4 Y
next;3 c9 {1 Y9 Q+ n
3中断语句
6 Y+ p$ x% L' o waituntil <condition> prio <integer expression>;
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6 y/ h) x6 [; v% i以上为常用的函数！ g8 }7 _: q. a
还有很多，如有需要我把资料发到你邮箱里
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