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发表于 2012-11-13 08:48:12
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1判断语句1 G7 N- M; e, T/ e2 k
if <condition> then
0 S& q/ \. y" Z! Q! ?+ u <statement sequence1>;* w6 u9 ?- ^7 k: v* r8 F+ D
elseif <condition> then; I8 N1 ~' `# z
<statement sequence2>;* H F2 R7 K: ]2 Y' P# \
else
6 y) L( l& T! x5 v0 D; _ <statement sequence3>;
& B5 c) T6 n! i5 [ end;
2 }( B) r# V: o如果分支比较多，用：( t; l7 d/ z0 e" a M9 i3 l6 ?
inspect <expression>5 d' @8 s8 h$ |6 B5 c- e3 N5 D
when <constant_list> then0 [$ a" ^6 Q' x- L! w
<statement sequence1>;+ H* |7 B7 v& C
when <constant_list> then
: K, ~8 t: R/ E <statement sequence2>;
; F8 s+ A9 n' _& ?/ | ...
# y" }$ r2 K1 @: p7 e( u6 y5 z else$ |5 P' A& x! U# X4 a2 v1 I
<statement sequence3>;
; y, o5 d5 t6 d3 p. f8 wend;/ `7 b* A( e: {2 _
+ t: U' p1 M& K7 ~- t2循环语句0 w2 c( b/ n( |+ K. i: b: V
(1) from <statement sequence1>
; w8 ~7 {4 k/ O0 Z+ Q until <condition> loop
$ Y# E% U; K# Y( l+ T9 \; U0 f A <statement sequence2>;
/ @+ N! Z5 b( E$ i) W0 A; F end;
- P" k- X) W4 K* [5 ] (2) while <condition> loop
4 I- U4 r; p) c4 f8 L' Q8 j$ \ <statement sequence1>;
, N, |3 A& z$ x9 }( t0 X& |8 X end;- {4 ^* ~2 j4 V2 e. \: s9 S
(3) repeat % `: d! J2 I' U, Q; u
<statement sequence1>;
G; O( u8 _! m( ]! } until <condition>;8 k& d' ]4 s, U% x: ?
(4) for <condition> to <condition> loop) @6 F' w7 @2 P u5 R
<statement sequence1>;
7 \: l6 e3 O+ {) g) `# U! E next;5 i' I; U. P# ]
3中断语句 J8 g$ t& s" c3 f& L, v2 P
waituntil <condition> prio <integer expression>;) A2 ?/ K# V% L' @# e& |" f
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# D3 `; @ e( j+ O5 j) {# g* w" e以上为常用的函数！
) F; j$ M7 C3 \6 e/ l2 T% j还有很多，如有需要我把资料发到你邮箱里
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