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发表于 2012-11-13 08:48:12
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1判断语句. z; \1 ^: a. `/ Y
if <condition> then! A, u B4 g1 l
<statement sequence1>;" Z8 f6 W, k+ U+ J" R5 t
elseif <condition> then" I' S# U, X( n: C, f1 K
<statement sequence2>;
; O- u) ]' K( W) [1 R else
5 d* _0 w7 I: j$ Y& e1 M' ] <statement sequence3>;
9 }, x: y3 M4 |; f: L end;9 `& b/ l2 ~ b* q K. T$ `
如果分支比较多，用：! I( m% n$ i; ^* u$ W; h2 ]$ F
inspect <expression>
2 @: G7 i% r! R. J4 G when <constant_list> then% ?, v1 ]+ H3 ?$ _
<statement sequence1>;
: e: Z7 F g2 b; C- B when <constant_list> then
$ V. D9 Z$ t& P0 {6 B' e% h <statement sequence2>;
l. f+ ~: g: O7 ]9 Z+ t ] ...
+ \ ]! E+ G l7 ~$ u else
0 |$ g2 A0 M1 i, C2 r <statement sequence3>;
6 ~7 r( k* p4 @/ _4 Q- W3 B! Dend;# [! Y( D1 C2 L. a
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2循环语句" `/ K' b# ]' n* K, I& Y
(1) from <statement sequence1>
! ~& J" r5 |7 I' A1 x- L until <condition> loop/ A$ r$ {/ b! l6 d+ ^
<statement sequence2>;
( w: G0 Y$ Y; b$ a) C! S- e5 Z end;1 h% d8 }4 F' x5 \
(2) while <condition> loop# P- z8 p! _4 h& W
<statement sequence1>;
- z6 H# j7 p& k; ` end;
6 H" \& p- M% I3 j* U! @ (3) repeat
$ a2 E: z4 V, O <statement sequence1>;
: z# l8 u: ?8 [4 Y0 F5 c& [& e. j4 h until <condition>;
" p% E/ ~1 |7 b( G8 W3 ` (4) for <condition> to <condition> loop G# n- W- n' J6 \) R' n" \
<statement sequence1>;* F! p* Y& Y' w# a9 s
next;
1 J, u2 D% s- R" O& o& }3中断语句
" h% M8 G" ~9 G+ y i waituntil <condition> prio <integer expression>;7 `/ w1 }' s/ c% C5 \- d
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& x1 N1 r ^ x1 U" a以上为常用的函数！
9 S7 X' c1 r. J8 L2 M4 C还有很多，如有需要我把资料发到你邮箱里
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