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发表于 2012-11-13 08:48:12
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1判断语句3 |4 P! G+ `- B6 n4 N' }
if <condition> then
I/ A2 h. U) v8 U! |& i <statement sequence1>;
N' K3 y6 \# A. e. z: Z1 p elseif <condition> then4 t X$ V2 X3 Z1 M
<statement sequence2>;: Q' x) O5 e4 C1 g, c
else
6 D, O: v0 r1 G M <statement sequence3>;# f! P' O$ y7 W1 S- a6 P
end;0 F5 U* c# P4 ]4 P; \* c+ x- }
如果分支比较多，用：
" F! P' V( U8 m) ~0 n inspect <expression>; p0 C" x$ X+ G- C
when <constant_list> then
0 ^) S" [4 n$ q8 T a5 G P <statement sequence1>;! Y4 l3 T: G" d' ^) M3 m" M5 X, \
when <constant_list> then
. \# N: q5 V4 u4 u <statement sequence2>;0 j* \( ^* K7 b0 Z; Y3 i
...
0 T- S! o g ^1 q else
# i% v- r1 i6 L% c: Z1 }* M <statement sequence3>;; _# v. h9 B# O$ b$ g
end;
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2循环语句+ B+ s9 w2 V: L; j/ I
(1) from <statement sequence1>
9 ?0 f5 B; t7 e. \$ C% C" x% P9 D until <condition> loop' {7 O) u5 v: N: U/ Y" ^' j. c- }" O
<statement sequence2>;
9 l5 p# p. ?# h3 D, T( A0 b end;
r# |: J6 a. r- ~5 ] (2) while <condition> loop
) m! g" A" g }% C2 t9 R3 V <statement sequence1>;
; K8 A/ U+ H# q% P end;
& ] x; x' e* o: Y (3) repeat - `4 N! j8 f" L' m. G1 g; m) T! ?
<statement sequence1>;8 a( A& K- T- V0 o0 F" u+ z
until <condition>;* k9 p' T- W$ r& H5 S1 K
(4) for <condition> to <condition> loop
+ V3 r; T; }2 ` H8 `: _ <statement sequence1>;
, J( J, X8 x2 S: R2 \ next;
5 u8 `4 Z) U; W0 \- F( J3中断语句
! E0 d2 _" t) d' X waituntil <condition> prio <integer expression>;
! H1 q' H( F: B* ^5 v3 v4 B5 |; Z0 p/ }& s
# X1 \4 f ~5 @6 D! Q' p" t5 F# q以上为常用的函数！* U8 Z2 r, y3 ~- O, p5 m3 R' t
还有很多，如有需要我把资料发到你邮箱里 # @+ L0 J3 [) U9 R
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