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发表于 2012-11-13 08:48:12
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1判断语句0 S" H. \- O: |: I6 m) }
if <condition> then
; `; G% q: _3 H( s& m <statement sequence1>;% k' M$ M; N$ ` f8 e! ^& |+ L
elseif <condition> then
/ k* f% i9 r/ k1 U9 z <statement sequence2>;
+ Q) C" J& M# k else
( a5 ^- e! s' _( Y' N0 ` <statement sequence3>;' V- e- P, W- P0 v+ `+ P
end;3 l/ K% g( k1 q) }. z; ?
如果分支比较多，用：, @, u4 ?- o$ N) y: O( P
inspect <expression>
; w0 B/ ] r& x; \: O when <constant_list> then% L: G( ~0 E* p4 Y6 Y+ i9 [! c' A
<statement sequence1>;/ G ~+ i" _' _, O8 P, b0 k
when <constant_list> then
J% s& u8 E0 \& i <statement sequence2>;- E: e: ~! H8 ]; x& d; ]+ K
...* v' R( l; |& B1 C
else& l- O- B- I/ M8 A6 G& u5 \) i
<statement sequence3>;
8 t% x, Z; l qend;
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2循环语句' X* y+ X* N( V- A/ b3 W
(1) from <statement sequence1>
2 l1 q: `2 T" F1 ~+ g5 I until <condition> loop- F, F' h4 M- a
<statement sequence2>;
6 G+ ~* T: Q7 @9 h, M g$ k end;
2 w! I. ?: U4 Y# N* U (2) while <condition> loop
6 a$ u# d l! X& x <statement sequence1>;8 S( t4 o. Q' g4 u1 [% |0 r# B
end;) U/ l Z1 D( T3 }" z
(3) repeat ) W$ b; A+ A. g. }3 @ F
<statement sequence1>;
6 R- [# Y" B8 o/ A3 p( w until <condition>;0 G Z7 ?4 L! F, j
(4) for <condition> to <condition> loop
5 {- F; m$ P ?5 f0 q: {. h9 j( Y <statement sequence1>;
, I( n+ G: `5 o' m5 k+ P. c next;! Z# c* ^. C _- x5 [) ^% ?
3中断语句/ x. l! b2 ]$ E# E$ Z' C
waituntil <condition> prio <integer expression>;+ z) b. y, X" j- N9 n
* m9 m) y d. s: I( D" H8 g, y& t5 \5 k$ v
以上为常用的函数！& z! q# ~) G, V3 c! Q4 {! J
还有很多，如有需要我把资料发到你邮箱里
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