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发表于 2012-11-13 08:48:12
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1判断语句5 A- _9 \+ o, p$ h+ E% b# R
if <condition> then: e3 N: o. w8 Y* M2 K; K
<statement sequence1>;2 s0 l+ f: Z% j8 W9 J
elseif <condition> then+ f; q k3 v8 V# v) {
<statement sequence2>;
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<statement sequence3>;! L( T3 N! \/ M1 B1 q
end;
9 @/ p7 s ^/ R/ r如果分支比较多，用：
" v; g/ D; v1 d: k" I1 R inspect <expression>1 U, W, B$ g7 r- q# W
when <constant_list> then0 C) a* Q( w- n( W) S' C, r
<statement sequence1>;6 Y' r) G G" f R
when <constant_list> then
' v: ^: F8 @' _ <statement sequence2>;
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else; E+ O: c E# v9 Z) ^& o' z# s
<statement sequence3>;8 |- W: m. h4 @, P" ^, |
end;7 }5 ~8 V, k# @4 K* ^
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2循环语句
/ C6 X9 Q4 E6 j6 d+ C5 a (1) from <statement sequence1>
: v6 r5 y* }! R/ Y3 D+ V5 L until <condition> loop2 D( ]0 K+ I3 A' R& w. K
<statement sequence2>;
6 N1 B4 j- K* D) u$ Y: `$ _4 D end;
C) p! |* o) ] C3 g (2) while <condition> loop
: L1 h: X2 X( m- C7 r <statement sequence1>;
/ h5 x: M9 z* o# W0 b% i# f end;
" `4 H- r0 z! t* J( }+ }7 S (3) repeat
2 l9 v% H `* A _) B9 M <statement sequence1>;5 W8 {" u9 U7 [8 T- i0 f
until <condition>;& L6 \, ?6 |, J z1 n
(4) for <condition> to <condition> loop
! \% M3 f! b# h <statement sequence1>;
! @' z; b' ^2 R! }2 f next;9 e; N: [3 _1 q% K; e6 J0 K# ~" x8 Q
3中断语句) N" p$ h8 T# J; |1 A- i: g) I
waituntil <condition> prio <integer expression>;7 ^; }2 C/ y8 t$ a; E: O
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以上为常用的函数！
5 t9 G1 k5 T9 k2 h- X还有很多，如有需要我把资料发到你邮箱里
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