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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句5 B5 L5 m' s* j$ R1 I* i6 j0 `0 B
if <condition> then! Y$ f. V6 \; b% ^( A
<statement sequence1>;5 p l: F2 e& H& G2 ^
elseif <condition> then" t3 h$ d$ X6 B7 |' ^
<statement sequence2>;0 A+ |; Q. a7 f7 R
else
' i4 S) O0 X2 v% n4 ?7 r <statement sequence3>;
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如果分支比较多，用：) T( x0 j$ r1 {8 { C
inspect <expression>
$ N1 H5 G/ k# q when <constant_list> then5 \4 X6 p$ |/ A5 ^' B) A) t1 D
<statement sequence1>;
" {, s: _' L9 J N0 {, J1 ` when <constant_list> then8 ]0 t7 d/ _/ Q2 t* u) P8 v. D/ m
<statement sequence2>;
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else
( p q" D9 N# q7 u, G <statement sequence3>;( R/ C& `- N& I
end;
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2循环语句
( H/ v% b4 A3 l& S, L: `. A" C (1) from <statement sequence1>2 x5 l, {4 `" ~" V& I$ t
until <condition> loop
/ k$ v# W$ Z$ a8 K& x <statement sequence2>;2 _9 `( ?! G) y; e! g% M
end;' s+ b, ]0 i: h' H8 ~% G
(2) while <condition> loop
) d4 t. ?4 O$ f2 o8 b <statement sequence1>;: f5 Z( \7 d; a% z) C0 w7 _
end;3 G& R* F6 `- Y5 H, x2 e
(3) repeat 7 e- c& [% O# K8 R9 [% h: v- t0 o
<statement sequence1>;
' l0 \ U2 I O& @ until <condition>;
3 R6 m" x) X6 y4 z: H5 z (4) for <condition> to <condition> loop
$ p8 u; x$ t/ ?' @+ S <statement sequence1>;" i: H- A) d+ O1 L( m5 N, q
next;
; b# N" F, G$ c: ]2 o+ t9 z2 f. Y3中断语句, l$ f8 g* f, _+ v3 U
waituntil <condition> prio <integer expression>;
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* a3 D. h* a( y3 l: H/ H" E1 P2 |: |以上为常用的函数！
( {) D: M8 x* B7 ?- T& r" z# ]还有很多，如有需要我把资料发到你邮箱里 ( b: {8 l. r9 y0 l) Q
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