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发表于 2012-11-13 08:48:12
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1判断语句
) _ G" }: e! e, C if <condition> then
) G: J/ S; i$ [0 r2 \3 P. }3 T8 G <statement sequence1>;
: Z3 q M# D5 f! O elseif <condition> then
: y; r& P1 E+ r% _: o1 ^7 x$ c; C6 @ <statement sequence2>;
$ p5 B7 a3 {0 K2 Y$ E$ M3 C6 r# F else
0 ]3 H* w! A* R9 q c- G <statement sequence3>;8 O& ]0 o# _% y6 l" U6 z
end;$ Y2 j. ?' J0 ?1 t/ G
如果分支比较多，用：" S$ n- u9 u n( }0 b$ j# S4 _ w
inspect <expression>( k$ @1 z' t$ p' N& D% F# V2 P
when <constant_list> then/ I' H; `: D; v
<statement sequence1>;
3 i/ b/ _1 C3 x5 Q% n2 H, {2 g. n* p when <constant_list> then
5 t' s" M/ D! G1 t) s0 R <statement sequence2>; w1 x( L- q- p+ R
...: b) }( f0 K/ D
else
6 I# {+ K( x u& s <statement sequence3>;
: | a4 z( s0 ^' t o' gend;
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& w4 X3 b( R- p$ V9 F2 F2循环语句
7 X4 J3 f! [& r; c/ L; H5 w% q2 T (1) from <statement sequence1>
/ O! e, Q( L* ^$ y A! E until <condition> loop' h( a$ N( o3 u3 @0 R
<statement sequence2>;) _8 D: K6 @% ` B
end;! }& d; D" g3 b6 `+ J( @! z+ k
(2) while <condition> loop ^! H0 R/ t& g- j, P0 m7 n1 [1 |
<statement sequence1>;
* |8 E* M' O) l" H- C end;
) k( D/ Y; Z, ] (3) repeat
* P2 m+ i0 Q7 ?) H <statement sequence1>;5 d$ y5 s5 \1 M+ W; `3 E: D7 D
until <condition>;7 T* K4 D9 v! r3 o2 R, {
(4) for <condition> to <condition> loop
2 e# f: T( `5 v- }4 z <statement sequence1>;0 J a/ s0 i& z6 h1 m# T R
next;
6 l8 ]% \7 F* S& ]3中断语句 _9 \* o- X3 W, A# V
waituntil <condition> prio <integer expression>;( F* ~; ^1 E: S7 i3 O! V
( j* x. H, _* _3 ^4 {
- P: e" m8 J9 k3 h以上为常用的函数！! e3 k1 k" K* S, r5 l
还有很多，如有需要我把资料发到你邮箱里
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