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发表于 2012-11-13 08:48:12
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1判断语句
; s( U8 y& R+ f+ z* K* K if <condition> then. ^! t# C, C2 h. k' }$ ]+ K
<statement sequence1>;/ w5 T6 J$ H# n: e- L( O; ~
elseif <condition> then
: O; h" O7 x f D* L <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：& t6 v- g8 Y/ S' A
inspect <expression>! C3 ], p* G& u) ^' d
when <constant_list> then
8 z; B' v; T, X <statement sequence1>;9 H$ `9 |" u9 u1 U, W8 a+ Y2 v
when <constant_list> then! X5 N+ v I2 x# }7 u! m1 A7 {
<statement sequence2>;& D. ]- r, o2 ]
...# i$ \" h" N* O' ~4 ~' d" E
else- A( l0 [0 i+ e/ b! g
<statement sequence3>;) _* C( X. K3 g; R* M4 C0 O# m' I7 e
end;: J- B+ B( a! ]6 h) ]
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2循环语句6 D2 i- _. z1 q. H3 h# ~. M
(1) from <statement sequence1>
$ ]- i8 b! A W, B1 X; H until <condition> loop/ K3 v0 [- D4 d& T* Y
<statement sequence2>;
. K* R, P6 c* b: i end;
1 p: c- _3 }* [( Q. f (2) while <condition> loop
2 X! a) T/ p. s+ X8 M <statement sequence1>;- C& i3 G' c% o& ^; ?. v/ x
end;1 @2 v- I1 W6 D
(3) repeat
4 l7 y6 r, W! G( t6 s; h' U6 q <statement sequence1>;
. C, Y% q, l0 G/ X, s( ` until <condition>;9 Y0 f c4 l& Y
(4) for <condition> to <condition> loop: z6 H4 K; T5 f7 k! Z) A" q6 z
<statement sequence1>;
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3中断语句 R3 N \% L5 {) ?6 g- b
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
6 h. k, `5 e. n, E v$ V还有很多，如有需要我把资料发到你邮箱里
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