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发表于 2012-11-13 08:48:12
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1判断语句( G7 _6 B' z; P' k8 `
if <condition> then. f- R) R. u) J" q
<statement sequence1>;
5 o, M0 o9 H0 s9 B5 e elseif <condition> then
5 B" V# u2 W5 S% A# M" ]' y <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
/ ?* \+ I8 t! g& F6 |- \ inspect <expression>( C5 n' I9 R* p2 c2 B
when <constant_list> then
h9 w# h! n9 X4 @, B% |2 n# E <statement sequence1>;0 p+ v8 R( u& x( u$ b. c E
when <constant_list> then6 W. B( X4 G5 K4 \. w- i% M8 x
<statement sequence2>;* e$ S( k" ~+ ^. R; m! G7 [1 H) g
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else/ w7 P2 Y% n: @3 I* K& ^3 A
<statement sequence3>;
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* K# J2 ~3 E( l; b% T$ Q2循环语句
9 `( ]# h l7 j% ^& G$ G0 H (1) from <statement sequence1>$ O. R2 j$ B, y6 c
until <condition> loop
5 Y: Z) O. m% K s/ Y; t <statement sequence2>;% i8 F; Q# K) b2 S- }$ H3 ~
end;" c' i [' ~/ ~% S" P2 z) C5 u
(2) while <condition> loop
8 o k* s1 \% W1 M6 Q9 \ <statement sequence1>;
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(3) repeat
/ l1 y- ]0 {& s <statement sequence1>;0 P8 R8 c8 Z6 }+ d: |
until <condition>;$ a; }/ }( @ G0 d) p: h: v0 ~
(4) for <condition> to <condition> loop
3 x( r ~" K a% V' s! c; P <statement sequence1>;
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3中断语句! ]4 L2 V9 _5 y- ?
waituntil <condition> prio <integer expression>;
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* v, E4 N" Y; ?( L9 e, w以上为常用的函数！
7 H c1 @1 n9 h0 m' V还有很多，如有需要我把资料发到你邮箱里
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