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发表于 2012-11-13 08:48:12
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1判断语句: U5 `% S9 e+ F" X# n% {" w
if <condition> then! K9 f* H7 o7 r7 @2 R
<statement sequence1>;2 y0 g( h j! [$ E! c8 f b
elseif <condition> then
% ? k. @: g& P0 J& Y <statement sequence2>;9 ~0 U- r3 ^0 l, i1 h B$ ]1 i) y- e* D
else
6 \2 J& k. K) S6 t- Q! s <statement sequence3>;
) H) y+ {. S' p2 j- l- A6 N* \ end;
" m4 w& G& K1 h如果分支比较多，用：/ z* C% z* i' r" `5 O4 O6 w. j' N- {
inspect <expression>9 U0 ~& E8 L; y* _
when <constant_list> then. z: ~0 Q8 O; M& l8 M5 U! \; x
<statement sequence1>; m; k, H9 @; ]* j& R% t- P
when <constant_list> then3 a* P6 ?; F) `: G3 |
<statement sequence2>;
; F5 h! F. G; L( ?1 z$ k5 V ...
& Z z2 t$ `4 W2 p' g! d: R, v else
& l8 d3 h% e/ R/ X+ `, C( g- h* | <statement sequence3>;
$ N6 |7 E: f7 r4 I& wend;
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2循环语句- C/ T, Z( C8 s
(1) from <statement sequence1>, R$ V2 L; T/ z8 c, T
until <condition> loop7 ~7 h/ i2 t- y; M! Y& v
<statement sequence2>;; `% y: I" s. @4 Q: T( X8 H
end;2 ]: B' F7 J2 F# _8 P" E3 Q1 w
(2) while <condition> loop% _ i0 F' G+ B }3 n: s+ v5 K, |& H
<statement sequence1>;
/ x4 t T+ u6 x/ N' T" O end;
% A% d: R3 U2 E/ C (3) repeat * K, U v6 i4 h* U) b
<statement sequence1>;) E; R. E+ M4 D& X7 t& m! P
until <condition>;
5 N; G/ e/ {! `1 V ]$ ? V2 S$ G (4) for <condition> to <condition> loop
% y G9 l: u2 {, e2 E* e9 j <statement sequence1>;
& s6 g# ]% i+ z0 o8 Q R8 Z next;3 x* ]& I& ~4 s4 D! J1 k6 O# |; C
3中断语句" y- K) ]- ]1 Z0 ^% ~8 L A; B1 m+ j
waituntil <condition> prio <integer expression>;0 [$ F" M$ W N) E+ T
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|* _& ?. w8 E/ E: t以上为常用的函数！
9 i5 [# Y. H/ f: ^6 @: v还有很多，如有需要我把资料发到你邮箱里
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