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发表于 2012-11-13 08:48:12
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1判断语句" R8 f6 |+ ~1 ]4 \8 f4 o
if <condition> then
% O) Y/ M& l# P% k+ p3 F0 \ l: U) @ <statement sequence1>;
; e& N+ q2 Z$ Q: G+ `0 t" v elseif <condition> then
# h8 |& V1 \7 f7 H# \; l5 m <statement sequence2>;
9 }, H0 `- K' A, D5 B1 J else
4 ^" U' V. B+ X/ I- K) H; F, L <statement sequence3>;
9 j$ I; l2 n, n; ^* N# i end;
+ E: }/ Y4 G4 ^" r! O如果分支比较多，用： M1 [; `# u- m3 [' X/ T
inspect <expression>0 f) Q+ f$ _& }
when <constant_list> then
* u7 s- V% a: T( j" E2 ^ <statement sequence1>;
8 u# @# t, a* e8 {3 e when <constant_list> then( l% y9 V. f2 E+ r
<statement sequence2>;# ]) p: }, C* s
...
% c9 J. t! v) S* w' a# U8 c else
4 L; \/ E/ ?' b <statement sequence3>;7 b+ V- E( |; e: T. K
end;
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2循环语句
1 f. z( \0 f1 z (1) from <statement sequence1>
6 T4 H6 ~6 ^0 T9 R v9 W until <condition> loop
& T& W$ z2 Y q3 i: K( P <statement sequence2>;; m4 W' w j; u Y; u
end;9 F6 Q, Q: ]) s, Z7 y3 `
(2) while <condition> loop
2 x# Y/ O1 Q' f5 N <statement sequence1>;' m8 p: w8 {+ v2 b
end;
2 J G0 c- L$ q9 F( I$ j (3) repeat
. q9 `/ W1 A" u <statement sequence1>; p5 [" ]8 {3 L) a! ]' h
until <condition>;5 i2 [- } @+ }
(4) for <condition> to <condition> loop
7 |4 l' t0 `* k5 \2 y- a <statement sequence1>;
* p: P, w0 M5 S: Z R1 o) p next;; i- H/ l0 O: B4 H3 d
3中断语句
+ x; F- V- h( d waituntil <condition> prio <integer expression>;* P1 u ]# O) a5 B# s
3 I7 N$ Y, N. U S2 U! b/ }% l5 f
* a3 g( i% }$ A. X9 Z2 b, B以上为常用的函数！2 ]0 y7 {+ S0 S" P& W1 w
还有很多，如有需要我把资料发到你邮箱里 1 n- p% R2 `; Q; ^; K% P% S
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