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发表于 2012-11-13 08:48:12
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1判断语句( `8 v3 H) D% G4 W4 e( Z- n" V
if <condition> then* c$ j8 _9 C w8 \7 Y% V
<statement sequence1>;8 e/ ~$ |3 @3 Y' }+ N% S
elseif <condition> then6 |9 o6 R6 r0 k; N4 n, r0 y: _! b
<statement sequence2>;$ O O0 D2 M9 Z2 e: x1 `0 X
else
' f0 ~) Y' K* S: ^ <statement sequence3>;
$ g" }" }. J. C end;
2 x W( B: U, Z3 P7 ]$ x如果分支比较多，用：4 Z" |4 y( I1 R9 w! b: [
inspect <expression>. A/ Y7 }- S z$ ^; `3 U
when <constant_list> then
$ P7 g8 B8 @8 Q4 @3 Z8 Y <statement sequence1>;
, @ ^: D8 V+ |1 o" N when <constant_list> then
# f# z( U- X. h( V2 N% O& K <statement sequence2>;7 h4 ^" Y& g; s! x, ^9 y
...5 F' Y2 @; r( a G1 @1 h; i- g
else6 a) M2 s0 @, s4 G1 N3 w& y
<statement sequence3>;
! ?5 M9 J6 H1 x4 n& ^/ Fend;6 K5 b O9 w$ M0 q
/ M( k0 \- K$ b( e2循环语句
5 e# X b/ S [ (1) from <statement sequence1>
& S% e0 X3 R' S. g, {% n until <condition> loop
7 h7 b4 ]4 F+ S3 h <statement sequence2>;
* f3 W7 H' Z& @# Q' t- |6 Y2 G end;
4 q1 I; i" Q0 [8 P# F (2) while <condition> loop
8 [) g" V4 u! G+ x; H w" r <statement sequence1>;
+ i4 \% H6 e: Q$ O& S0 b end;
% H# J" k5 G, }. Y8 |- h: X0 N1 N (3) repeat 4 k$ l) L' [' J
<statement sequence1>;! M# z7 N% y" i+ X" ^# s
until <condition>;
. i- g& _0 C. _9 [: u" M (4) for <condition> to <condition> loop
4 C. {4 `3 c' d9 o <statement sequence1>;
4 \7 T8 J) X5 V next;
' X. u- o: ] N- G" H; x5 r% d3中断语句
1 w- {, O; \6 g, a waituntil <condition> prio <integer expression>;
+ w; `7 d; J7 N A1 Z8 I( G( J: z- E6 M
% @7 n/ R) C5 Y6 e5 c/ X以上为常用的函数！
6 `% R; O3 D5 R还有很多，如有需要我把资料发到你邮箱里 8 u1 m! Z" A# ~
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