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发表于 2012-11-13 08:48:12
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1判断语句# y$ u& C f9 c' `/ n1 R& J
if <condition> then
D S8 R! z6 k( } <statement sequence1>;
" F& [/ }& Z0 T3 v elseif <condition> then
* w e: |1 j" o7 C. z7 U <statement sequence2>;' F% L( J. a% }" t: H
else
: P: n. x, w3 _" O. X <statement sequence3>;
8 B( [/ P) T: N4 p [; A4 N end;
: j* W2 W4 [, l0 l/ M+ X m如果分支比较多，用：
% k% }; J v0 {! I9 [ inspect <expression>- d. x$ G" w# s% {
when <constant_list> then
4 q3 m" [' S% V7 E9 [ <statement sequence1>;& ~4 Z% S m9 [* s& k# C. c& [ g
when <constant_list> then
* s) f7 `6 `' N" | <statement sequence2>;
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else6 w! V7 B& z ?% @; y
<statement sequence3>;9 o* A: q1 N: x/ K
end;4 N1 j9 {, h7 |2 M* { F. y' Q
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2循环语句+ f( n1 f. ?7 O( s& }+ p$ C, l1 K1 P
(1) from <statement sequence1>
* x# o: c( y! u9 e* F until <condition> loop
* R5 Z- ?0 y1 R# K9 }8 m! g; Y <statement sequence2>;2 w1 B$ t# J% t8 Q
end;' R7 r0 C6 C" h7 k0 L( t/ S ?- g
(2) while <condition> loop6 d! r) d! ?0 O/ W% y( n$ y2 Z4 J5 \$ B
<statement sequence1>;
% `- f0 j# X/ {& j9 [7 p f1 @$ F: | end;
/ q; e" W$ \" N- [: s2 ` (3) repeat
6 X( h. t5 x6 O5 _' p* J! b <statement sequence1>;. Q- ~' c1 ]/ l# r* y
until <condition>;) z! ^2 p* ~, |: R. ]4 I I
(4) for <condition> to <condition> loop
; e" {+ c; c; R! R" f9 _7 A+ V* h <statement sequence1>;
* J3 k% I/ n' X8 D6 M next; i: i3 W9 o5 y* H, T
3中断语句
4 E2 X- g; y4 e5 c3 E; X0 @ waituntil <condition> prio <integer expression>;+ ~+ R* i/ p0 V j* a! g8 j
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以上为常用的函数！/ q& D% N0 B6 Z3 [
还有很多，如有需要我把资料发到你邮箱里
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