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发表于 2012-11-13 08:48:12
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1判断语句4 Q3 T+ ~+ k$ K- U; w N
if <condition> then
& Q2 R6 e' Y. i5 R ^. E$ k <statement sequence1>;
% }. h2 ^) ~4 O! N. B, y elseif <condition> then" }& M) @5 d) X- C1 X
<statement sequence2>;
( Q' \5 p) `: l# J else
+ K- ^( d0 o' Z v <statement sequence3>;
% \4 r3 j, W' I: c5 Q( \ end;7 c: Y% F/ @& V: J3 z) K" q6 m
如果分支比较多，用：
- F) w2 e. O4 h inspect <expression>
- ^+ N; \5 s1 ~% X8 ` when <constant_list> then8 T+ C3 X- Q) }5 @; O
<statement sequence1>;
) j' h8 A4 E+ ?+ E when <constant_list> then% _8 b) k6 W- ?& |, a
<statement sequence2>;4 @* ?4 C \; s2 ~* L
...6 S! p3 o" q2 o
else4 y; L9 \! K: H# a ^
<statement sequence3>;& K5 a( ]( a7 N2 K9 h( G$ k
end;# m. _# C' T, d3 P) y5 j7 D* y
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2循环语句& ~ ~0 k: U/ C9 j
(1) from <statement sequence1>* @* r: i' ]$ A7 b" u7 \( z
until <condition> loop% ~, a7 j" g% z2 i9 ]( U
<statement sequence2>;
! w8 b( \/ z0 `- N! }8 H& | end;) w" z" \! T+ X
(2) while <condition> loop
; Z L5 W5 N/ q$ D2 v# L& B <statement sequence1>;
0 G! @ n9 R- G; N1 M) ]0 I end;" y. j! \$ X$ z/ c
(3) repeat : b/ G& ]+ o7 t2 k# [ B* \
<statement sequence1>;
/ [ l j9 S0 K( _! V& Z until <condition>;6 ?& O+ ?" [: x2 J' o( g
(4) for <condition> to <condition> loop
) r9 v' U0 [3 k; I# ~ <statement sequence1>;
: x2 _% l! `( Y next;
8 P7 Y; Y* p9 }% a' L" f3中断语句6 V. w' j0 i' k" `" {( b9 o
waituntil <condition> prio <integer expression>;
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5 G: Q/ l4 h/ N3 K' ~
- u9 Z7 R3 m: \: P A0 x. k以上为常用的函数！* i6 x, v! u8 v0 _; E x# h! J
还有很多，如有需要我把资料发到你邮箱里
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