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发表于 2012-11-13 08:48:12
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1判断语句1 r" y* P+ j$ x! E5 V' s" v
if <condition> then7 Z8 c* {& j3 u9 _; }" ?& b
<statement sequence1>;& @: L+ Z' q4 t' j6 s9 c. }
elseif <condition> then& q$ j$ M4 v) a; j
<statement sequence2>;# z) x: K& B, S
else
( k4 |9 g4 r- f <statement sequence3>;- O9 p7 u( C/ _! \0 U& w
end;
* k9 E4 B/ T- \: _如果分支比较多，用：
0 L/ Y- m1 S: r" W! T1 o, y inspect <expression>
; d# P/ L- x. m* @2 f& W when <constant_list> then1 O0 p1 q5 R. ]6 A
<statement sequence1>;3 s3 N' b: B- }7 E( m6 G0 x
when <constant_list> then
6 N$ g5 F6 _' N" \- @ <statement sequence2>;
4 o) U \" ?- A6 m4 u ...
) ]( u6 M! Q- G else, }/ c( {* @3 e7 e: y6 c/ L
<statement sequence3>;/ p# x! O0 u/ H+ H7 O, T3 l
end;
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0 [" N5 F; @# |" v# m, i( D2循环语句1 b( _+ H4 Y6 [2 ^# D m6 S" q
(1) from <statement sequence1>
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+ W5 R- f' V; x <statement sequence2>;- e7 Y. S8 H: T6 f# U/ W h
end;
; p+ f5 @( }, Y* z (2) while <condition> loop2 q9 Y- s1 J1 C/ P
<statement sequence1>;- s0 m& F( r: i* B6 p
end;1 q) u& K$ w1 A9 O6 @
(3) repeat - @, w P5 ~% x& y
<statement sequence1>;& P6 `. i6 T5 @' F/ Q& h# ~
until <condition>;) c5 a6 h8 C: ]& q& x3 c+ v
(4) for <condition> to <condition> loop* P/ ~. ~ t: h2 X9 f# w+ F% z; _* u
<statement sequence1>;# e* j' n8 l' n8 `1 y0 m( N" A
next;4 ?7 `2 `$ t: @
3中断语句* K; P- S3 c. x. X
waituntil <condition> prio <integer expression>;
( {# O4 R: U' }$ A$ `/ d' \6 K. Z; n' C$ t# {
: _1 j s" U9 b% L6 P' n Y以上为常用的函数！
' ] ^# C/ U: w还有很多，如有需要我把资料发到你邮箱里
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