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发表于 2012-11-13 08:48:12
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1判断语句
. [1 ]6 P8 l, Y) h5 I x if <condition> then) g) f/ ^5 k; `
<statement sequence1>;
& t. c7 [, u3 g1 G4 A, j. Q7 U elseif <condition> then& U7 B. D, N6 b/ a# E
<statement sequence2>;! g7 O: }3 c2 x( P; {( e8 P J
else * _$ z0 E8 ?5 K* M3 E9 f
<statement sequence3>;& p( Y" z/ S( i* J4 C
end;$ \' f I9 S, R. K/ ]
如果分支比较多，用：
* ]* S5 T! `9 Z inspect <expression>4 D1 x3 P/ H# @6 e. u# N4 B' }
when <constant_list> then5 E i; @5 S, S; v5 h, }' [) j
<statement sequence1>;
! h3 p3 T$ `! `$ I: b when <constant_list> then0 U7 K. E, ~/ H) P, f' b
<statement sequence2>;
7 l$ S7 F o O3 \* N: K3 _% @! W ...
3 [$ e/ ^. e# o N/ |6 s2 n \ else
: K% j+ c* R- A4 R( i <statement sequence3>;& p3 a7 ~% U0 c5 }! i
end;: ~7 _3 \+ e8 i
! Y# x8 d9 v) `4 ]; v2循环语句
+ X* ?6 h9 D1 p& T* a (1) from <statement sequence1>
" f2 I# t- b4 ^6 ` until <condition> loop
. e' K D+ `5 D+ U( ^. j! I/ l <statement sequence2>;
# G; I& x9 F' P+ k end;) P' ]4 q9 t" c7 y- Q) |) B i
(2) while <condition> loop4 B# ]0 Q/ m4 s. t4 }2 z
<statement sequence1>;0 r8 o, `& x( u3 s. Q p% X+ ^
end;+ G! m2 D; L. t4 b, f* n
(3) repeat " A3 f7 G+ N k% H6 O0 q: @/ S
<statement sequence1>;, Y, S w9 C% A1 F* k- R
until <condition>;2 w' j$ S. I* W7 h2 d% J
(4) for <condition> to <condition> loop# L# `& y, K# c8 Q* G
<statement sequence1>;
/ U2 X" F4 Q, ?( T! r4 ^6 V0 A next;/ A* A0 s0 P" `+ m
3中断语句
: T$ b; a, C5 t: _ waituntil <condition> prio <integer expression>;
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以上为常用的函数！9 t) C7 C' p3 l+ p# _4 A9 ]' p' ]
还有很多，如有需要我把资料发到你邮箱里
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