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发表于 2012-11-13 08:48:12
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1判断语句
/ a2 S/ O2 _ p8 x4 v if <condition> then* @' x; l$ j, F% v6 V" Y
<statement sequence1>;) v A3 c$ ~6 ?9 D7 b# d( {
elseif <condition> then3 k$ ?2 B& D8 [& R& \( p9 P' j
<statement sequence2>; o/ d3 `9 {7 z2 M5 I* Z7 g* i( g M
else ) F6 G! \1 E1 w5 P4 ]
<statement sequence3>;
6 }6 U+ B" P3 F1 p1 k6 E5 B' T end;
- N, d* @0 H* S( t' c/ ]如果分支比较多，用：
. u: I* H4 Q* t" }/ n" C inspect <expression>) D1 N$ z0 R6 i+ C4 ]& q
when <constant_list> then
# Q |, o; s; [3 _1 t <statement sequence1>;
: C, Z: e0 I7 e4 f) s/ ^ when <constant_list> then! x- R' p5 L }+ A% r
<statement sequence2>;# C( T, E; G, Y: q4 c
...! u: j% V8 T; _- a
else& D+ V" V. \) X' e
<statement sequence3>;
; M3 H/ t0 |* j) S: zend;, R9 l, ]# U$ ^
9 v0 g2 A# s7 C @3 a* Z& j2循环语句
' X7 f0 X; k1 i/ ~6 t! F. y! ? (1) from <statement sequence1>) R! S" [8 g0 ^. ^- h
until <condition> loop
3 u+ [; i! a8 U8 w8 }/ \5 N4 @ <statement sequence2>;
5 k K' R# t2 V, |2 Z: l end;
+ J* S# A' q, W2 Y (2) while <condition> loop* {& s' o! j7 w& |* l( ^% M2 r/ Y
<statement sequence1>;* D* V9 u$ i- k& q9 K# L
end;8 e, o Z; F0 {8 e% k3 W
(3) repeat
# C' u s+ w1 j$ _9 R- M <statement sequence1>;
0 P2 R [' K+ X4 ~ until <condition>;
% L1 Y/ [3 M6 r( d/ L: N (4) for <condition> to <condition> loop0 t9 V) l o6 T# }' b0 J
<statement sequence1>;
5 N- f% R0 Y" k L3 P5 I next;$ J6 y; Y' Y, g+ C6 i
3中断语句3 O# {1 I2 `+ f/ x) {
waituntil <condition> prio <integer expression>;
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6 s$ Z9 L, C" M; C1 X7 Y( U& v以上为常用的函数！, i% w) m c$ V0 n: S( x
还有很多，如有需要我把资料发到你邮箱里
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