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发表于 2012-11-13 08:48:12
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1判断语句
5 A9 b) }( j) B- A% w' o$ e& [ if <condition> then
% L' t$ i: s* \2 K <statement sequence1>;" M0 U1 X, R( e8 w& x6 }
elseif <condition> then* U* h. }) J6 `
<statement sequence2>;
$ t8 @- U" ]7 N0 ~ else
I6 ?6 O, O, k$ a- b5 g* E% x5 s <statement sequence3>;
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如果分支比较多，用：) }' }3 K3 x6 |; w2 N+ J. a1 \
inspect <expression>
- l8 X" ~3 i6 K: t* | when <constant_list> then
7 x/ [5 J: G' s1 _1 ]5 Q- Q <statement sequence1>;5 h8 B# @1 }7 S& C
when <constant_list> then
. K- B! x- h3 v: D <statement sequence2>;7 C4 \* {4 z. y+ \+ L5 Y
...
, o: o6 u: Y5 g& X else
8 w4 ?! U s8 n <statement sequence3>;
% J {8 A0 P, k# _ ~end;
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. c! \: m, X- B2循环语句& A0 S& v9 L# I/ J, b- b6 Z; W
(1) from <statement sequence1>
/ ?9 N% J, ]+ V( b { until <condition> loop
7 S0 F; F# e9 i, r. `7 W' n <statement sequence2>;
+ T9 }7 Z7 I; h end;5 P1 }; F" W4 L7 q! m; y8 U8 f5 y
(2) while <condition> loop5 [, N4 z- c0 h8 a$ h+ }
<statement sequence1>;
) J, r- T b, o end;$ Q" O" T5 X# h& c" Z# f
(3) repeat
3 h& ^4 o5 O1 p/ S <statement sequence1>;" P; y2 `4 ^7 J0 [6 H
until <condition>;
1 V7 `# Z* J3 X( x5 T' | (4) for <condition> to <condition> loop
4 x2 l! X6 a. _0 n5 E/ q <statement sequence1>;: m" w: V7 s C( @% t
next;% F/ u$ O$ X0 N. D3 V- I/ R
3中断语句$ O5 S5 `7 r. z7 |! @2 [3 z: [
waituntil <condition> prio <integer expression>;
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以上为常用的函数！8 V* \7 N; `8 }3 n* O. @9 w/ d
还有很多，如有需要我把资料发到你邮箱里 , H4 R& Y$ [( j9 t: d
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