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发表于 2012-11-13 08:48:12
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1判断语句
% V( Q; ~; W. n$ M if <condition> then
; |) v/ i2 z6 }3 B4 S t <statement sequence1>;
. Y/ ~+ N7 r0 L. q7 {1 [1 u7 M0 q elseif <condition> then
! B4 x ?/ G% j* _$ T1 D <statement sequence2>;
+ S" n! b5 a3 o+ \ else
# @& j3 w' l& E& g$ b# R9 h# z4 | <statement sequence3>;
, @( n' N/ t. @# X9 M3 P end;4 c+ `4 H3 k" `/ ~# m
如果分支比较多，用：: k: U! J& ^, b0 ?4 h( Q
inspect <expression>
$ E& P1 K" M' T$ G8 }9 k7 k) M when <constant_list> then
7 e: t/ _* F) B! T+ A' n1 L <statement sequence1>;
' {1 l2 x# @0 r* {: z/ i when <constant_list> then
# Q2 r5 O1 m F c9 w <statement sequence2>;
) s$ n! M) B% j! i) P8 D A$ m' b ...
[0 `) o2 r w7 i/ l I0 ] else
8 }# B+ d1 y2 K$ E2 V8 c! M <statement sequence3>;
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4 x u$ K- M% z" d5 r) M0 x2循环语句
# g& T4 w" U, h8 @. u6 Y (1) from <statement sequence1>
* b9 O: p9 x) {: l0 D _) E until <condition> loop2 K9 [# w+ {+ o0 d c
<statement sequence2>;5 W4 f! D1 M2 m& N1 }
end;6 A1 L( v8 R5 X% T: Y
(2) while <condition> loop
0 x( s; w# Y, `2 [ <statement sequence1>;) l+ ~" _! h! I* J; i, F6 {
end;
6 Y3 @( N Y$ \4 l3 v& r (3) repeat
/ }1 Y! n: Z6 d0 A <statement sequence1>;
6 a) d2 Q" m. L5 p7 ?* ~/ }2 A m4 | until <condition>;+ M4 J7 F( K+ i' _; B
(4) for <condition> to <condition> loop
0 ^( B8 `: |4 y6 M+ g) j4 ^ P <statement sequence1>;
4 P# O( D V7 P6 P6 @) N% Z next;
: v# [* y) x1 c& {' [2 u/ `$ t. p3中断语句; W- L8 ~5 w) F6 m
waituntil <condition> prio <integer expression>;1 h2 D# a# s9 A" Z: ~
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以上为常用的函数！
6 O R3 z9 K" l6 ]还有很多，如有需要我把资料发到你邮箱里
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