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发表于 2012-11-13 08:48:12
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1判断语句
2 K+ I8 x) H+ Y. N if <condition> then+ w8 {7 N. n$ _% |% {% v) {
<statement sequence1>;
4 t+ `: A/ M* R" t9 u elseif <condition> then4 z+ a; q0 u* ]1 m0 [- f% x; ?* Z
<statement sequence2>;1 t& t4 K1 n9 L
else
8 L0 w4 P( R" Y: `/ L9 l; c' I <statement sequence3>;
( T- P" G7 Z( y) p: l end;
1 s* `" h, n' ?如果分支比较多，用：9 |, A' L7 g% }3 r: L
inspect <expression>! ?0 S! o" o7 [
when <constant_list> then
/ D0 D; x/ w. T( w, a. Z <statement sequence1>;6 u% W A; l+ K4 t/ j1 ]
when <constant_list> then; q' }" W. C( }
<statement sequence2>;& g2 ]8 g& P4 L
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else* i8 o; I6 ]2 `: S# C7 i8 S, o
<statement sequence3>;
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. P# D( s$ W) E* ~5 p, n; u0 [5 ^2循环语句
9 f2 t% \' _ b: w! u) m (1) from <statement sequence1>9 _: v `" {" \& J. T- R% }1 o) W
until <condition> loop
' z& h# } s$ Q) g5 X <statement sequence2>;
: h$ ]6 n. Q* ]! @( n end;- V1 ^1 D; [; ^2 y4 U
(2) while <condition> loop% v0 _. d. L3 D& r; J1 z8 x
<statement sequence1>;
/ {# G R$ G" B- p. o( {3 K end;7 f7 q# }6 M4 e. | {* s" Q8 Z
(3) repeat " y9 Z$ p: w! `' M8 J
<statement sequence1>;; E& ~- u+ H- Z
until <condition>;8 o4 G1 {4 V2 I8 A+ B! m
(4) for <condition> to <condition> loop& E# s* u4 B* R6 ]; D4 M
<statement sequence1>;. U" X5 R5 U! C. X
next;. u2 C" ~+ M5 i0 H/ m* y$ k4 C
3中断语句, O9 M6 y( D2 }1 _9 _/ k
waituntil <condition> prio <integer expression>;6 o+ F+ a9 s5 ^! c. L
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2 a, c# T* \7 j4 }% c* i以上为常用的函数！/ p, n: [, Z" R& k, X
还有很多，如有需要我把资料发到你邮箱里
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