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发表于 2012-11-13 08:48:12
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1判断语句; H8 L8 U: |; \4 t, B x7 c( S* O
if <condition> then
' s$ _6 \4 k) R1 O% C3 B6 F( F" \: { <statement sequence1>;
* \. ~" M4 e/ W" j elseif <condition> then [* f+ g- V+ f- B( b
<statement sequence2>;, F% _* @/ [& X! N& y
else # I4 Z6 e/ @& U* p4 W
<statement sequence3>;) N. U! q r) d5 H' n, ^
end;
# M9 a$ e. O! }+ ^, D; U如果分支比较多，用：; c4 T" Y. V) _3 e0 w
inspect <expression>
. w9 L/ C- { i% y6 T3 d when <constant_list> then
4 d. E; P+ i4 X( l9 ~0 f; i <statement sequence1>;
+ c, E+ L9 b: I- O when <constant_list> then5 O) T! Q# V t) y# S' W* N N
<statement sequence2>;
8 T. n4 `# F. H' y- P ...
/ q* O: u8 [# G5 |4 U6 Z else
' ~8 O1 E6 M- J <statement sequence3>;+ B2 O6 h" }# t% h% c+ l2 n
end;
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" e. `1 Z' g# G, m9 q0 ~/ g8 G. c2循环语句6 U' c8 p8 H* }0 F
(1) from <statement sequence1>
% m: _! F8 Z! d7 p8 N5 c( `4 R0 G until <condition> loop
# k) k" a3 c: w5 _ a$ b) Y+ B <statement sequence2>;4 B8 T$ k+ } G I( ^, M5 S, W9 G
end;
7 e/ }/ i! h- p. I9 ~ (2) while <condition> loop* B% X- Q2 @# T" t, M* j0 P
<statement sequence1>;
( [! Y3 _/ M5 k: T+ r# i) q6 W end;
* }* A4 t' {/ L J/ a (3) repeat
! K* M$ U5 I: n- y1 R <statement sequence1>;
# x) q$ G) t( `: a8 i3 N6 L until <condition>;
6 T4 ^. f2 [2 A+ ? (4) for <condition> to <condition> loop/ H8 {3 @ H+ X
<statement sequence1>;
& ]# x5 M- O8 p- [1 L' G next;" f0 p0 c) h* U2 F: y* e
3中断语句
( Q; c- n4 d# A( S2 u( l8 ~' R waituntil <condition> prio <integer expression>;) F w# [9 P+ o1 r" w
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以上为常用的函数！1 P( q- o" C5 K- d* z; V
还有很多，如有需要我把资料发到你邮箱里 / ^; s5 @2 E3 h6 g" J
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