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发表于 2012-11-13 08:48:12
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1判断语句
; W/ t7 v; c: b1 F/ e' t& c if <condition> then
, j( e& G3 a" V9 Z% V* @ <statement sequence1>;
9 q$ z u2 u; O7 W& P6 W elseif <condition> then: C9 c' C/ y( h: e* k1 a
<statement sequence2>;$ r, l5 W2 `8 A7 M/ b3 z
else 4 A9 K) z6 z8 j1 o& A& p
<statement sequence3>;
# Q# o! E2 X6 N" Y& x end;
; J. z. x. ?* }如果分支比较多，用：- Z8 E/ t! [ I6 Y6 i
inspect <expression> u( w7 K0 M7 _! i ]9 M+ d. |
when <constant_list> then
! p1 |3 z: B% i' }$ @8 v. q' p9 p <statement sequence1>;# [5 J, b$ c6 H" ]" d- V
when <constant_list> then0 l2 `5 |+ _6 k- i
<statement sequence2>;: L2 O3 u7 j q
...( |1 B! Q( p7 o, u' |3 l2 I
else
0 G& S3 p' x7 A- V* R7 E# l <statement sequence3>;! i! k0 @4 ^! V9 a: a
end;
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2循环语句
8 s7 x* {/ s3 ]' e& u' c (1) from <statement sequence1>
8 E! b: U! z2 m j2 z5 M until <condition> loop
5 d" | T! @# K4 I <statement sequence2>;
0 m0 d6 p/ z( u( C. e end;
+ k6 M1 Z0 n" z8 p3 q5 C$ @ (2) while <condition> loop4 j# C6 P @' V+ c4 F8 g
<statement sequence1>;
* S2 H# i3 B4 ^3 h end;5 Q, d: S q4 \+ X& R* Z7 }# U
(3) repeat
! d* a# `, @ _; a <statement sequence1>;9 a/ a# c$ w' v$ Y @' T; }; x0 }
until <condition>;5 f: p/ x1 w7 D/ |: r" U
(4) for <condition> to <condition> loop
. G; o9 ~- r& R" I9 f% \; u <statement sequence1>;
5 a* m$ O: |3 v/ n next;+ {: g& W/ x F- ?$ o4 B3 w
3中断语句$ ]; g4 z. n5 ~. p
waituntil <condition> prio <integer expression>;
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3 k7 k! o. x' m, I+ N, E以上为常用的函数！
# H) y) u! C' x, V0 O. w9 d H还有很多，如有需要我把资料发到你邮箱里 6 Z* f7 V- Y8 w
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