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发表于 2012-11-13 08:48:12
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1判断语句! }. Y- O; I# F& [/ u- |
if <condition> then: t) J5 \& X. W
<statement sequence1>;
' b; i4 }# r: o elseif <condition> then
- R# ~0 X7 f; Y" A- ^! } <statement sequence2>;
1 @: |; b3 S% w9 x else
# G$ @; z; J$ P }0 m4 c <statement sequence3>;' J# |6 J# U; n: q
end;" u( k5 Y9 b3 x2 f& @9 j1 |3 F
如果分支比较多，用：% S# Z, d8 Z9 Z/ y8 t
inspect <expression> f1 x$ }7 W. X% Q) \) A
when <constant_list> then) ?/ o, {8 R2 p2 `$ E
<statement sequence1>;
, X6 e1 K3 @$ r' H; b8 ]. i when <constant_list> then4 ]2 R8 E* w& k0 e
<statement sequence2>;9 W9 z) J: V' Q b, W
...% A" R4 p4 g/ I! v- H5 f" o
else
0 Z. e% |; q" D: T# y+ l- g! p2 F <statement sequence3>;5 c6 f' ~. D/ c' X; U0 l- }
end;
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S- x+ ^, H# I$ i/ F( b2循环语句3 L' Y7 x, |3 _1 P3 T0 e* ~1 `
(1) from <statement sequence1>
4 c2 Z5 [7 k. c* m0 ~0 e: w. e until <condition> loop
5 Y ?) r9 z' O- ^ <statement sequence2>;* k3 c5 _+ G$ k' T3 e
end;
% O4 H2 _7 U5 A (2) while <condition> loop
' Y* S5 u" n# e6 q" B2 G6 Y: u <statement sequence1>;
+ C$ f# b1 ?) _ {* |1 ?" }) M9 O end;8 [, u `3 d$ O/ K5 N6 j
(3) repeat
) I3 p3 i. F0 H$ ~ G <statement sequence1>;
6 i# y; D4 ], R7 m until <condition>;
9 ^" J! S" C2 j* b1 y9 {! l- r$ ?0 H# {. a! J (4) for <condition> to <condition> loop( D3 }1 v# i6 t" X4 m; C @# ~
<statement sequence1>;
1 t4 ?4 ~8 u- u4 c- C next;) E! ], w* x( h8 {8 z b
3中断语句3 E% p& f, u0 W; u5 D
waituntil <condition> prio <integer expression>;4 t+ Z; [3 ?1 X
+ Y5 A, x3 E. _. \" t% P7 J0 f/ t
1 i+ Z+ c% H1 b以上为常用的函数！( j s I+ ]. ]1 A( @
还有很多，如有需要我把资料发到你邮箱里
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