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发表于 2012-11-13 08:48:12
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1判断语句# N( [; j' F5 h
if <condition> then
* v* v" N; l& b <statement sequence1>;/ x, H0 y: Y3 X, j; S$ I( G
elseif <condition> then0 }: u5 z. t+ f1 [$ F
<statement sequence2>;
; o4 g z6 [+ K6 _0 g+ K else
/ N6 b2 y/ N# }" `% }1 a <statement sequence3>;+ R( Y- _% w& _3 v% _2 K! g {1 k
end;
/ p8 z6 O V3 H; o: O如果分支比较多，用：
8 Q) T. W& f* ^- Q0 k inspect <expression>5 q3 N! F7 k8 `6 v/ Q! Q
when <constant_list> then& V0 i4 m: |2 q8 g+ d0 v: Y3 Q
<statement sequence1>;
* w6 p. k& N3 ~1 a- \1 h: a' [/ V when <constant_list> then
' [# ~' m% y5 G/ b1 ~3 x <statement sequence2>;) O/ ^* }4 z) G. @# g5 P
...
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<statement sequence3>;
V. Z2 y3 F+ x, J) D1 cend;
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2循环语句% X+ E% B" j* D: S; A
(1) from <statement sequence1>) d; e+ J# ^9 D' ?
until <condition> loop5 j& w. r# v( ]: |# l8 W2 A
<statement sequence2>;* H' N) r$ d- b
end;
* @& B: X3 {; m$ U, s2 ]' [ (2) while <condition> loop1 g% C4 F$ J1 y, f9 o0 z% d6 s: ]/ p
<statement sequence1>;5 `, I. C, Z* Q! F5 f* v( O$ ]
end;7 a, Z2 O6 _& d
(3) repeat
- u! G( @ X! h4 Y8 `5 W <statement sequence1>;) Z: m7 t2 x) ]/ k7 V) @
until <condition>;
# F9 w! K) l$ M# L1 G (4) for <condition> to <condition> loop
. \( f& |$ ^0 I. M+ i <statement sequence1>;) k/ L+ \5 r" F+ Z
next; s( Z2 D: r' a: `
3中断语句
, }: |) `' S% L! | U3 C! @ waituntil <condition> prio <integer expression>;* Q4 E2 M& ]* D: i
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6 ^. O$ j9 g3 g7 s6 ], A. G, p6 n, e以上为常用的函数！$ N4 I! N4 a4 G# g4 a& c
还有很多，如有需要我把资料发到你邮箱里 ! M. x% l' g# S% H7 p! P# C
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