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发表于 2012-11-13 08:48:12
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1判断语句( o7 R2 O0 b ]5 [% A, P0 `
if <condition> then9 g/ O0 [. Q b- u" h5 m
<statement sequence1>;
( i c% v, E2 z% o elseif <condition> then9 t, W- A0 a5 Y! l
<statement sequence2>;
* R$ X9 s$ w7 e1 y' f/ j% ^' m else
' J5 ^3 Q3 K+ a8 f. w# i <statement sequence3>;
$ _, c7 x$ g$ ^" d: X5 _' |2 F end;
* g" C; g6 e" D' J8 M# o4 _如果分支比较多，用：
; l0 o$ \6 B, J4 k inspect <expression>
* z5 w- w9 y+ K' [ when <constant_list> then$ d* Q" g4 ?5 t* Y! P1 _7 V
<statement sequence1>;
# ^. z- }' F2 k* u% v when <constant_list> then) Q# y$ `/ ?" {7 a3 j
<statement sequence2>;9 |, K; R5 [* L4 @
...
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<statement sequence3>;& a9 h' b6 P; c! l' o
end;
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' P! P a2 j2 C) _5 G. O2循环语句
/ {- X( W: d# h1 d4 k* c (1) from <statement sequence1>; v8 ~* M# R2 o/ D
until <condition> loop
6 T& W; n4 D- I, C- g2 ^ <statement sequence2>;8 ^6 Y; o: g, `! n& _" h
end;
: I1 _# B7 L' \! q5 P2 v) p (2) while <condition> loop
2 m; w' r4 u; F6 K <statement sequence1>;
$ I$ w* e% v& K end;% s# ^2 A7 y* D
(3) repeat 8 {0 v; r" L4 Q# h* u4 p. ?
<statement sequence1>;1 x* u' C: a3 @
until <condition>;
8 V- }1 i) J6 j (4) for <condition> to <condition> loop
) ?2 E Z( q9 u5 m$ f4 _; |* B <statement sequence1>;; a5 }/ x( n+ m
next;- y0 Q( I2 u5 I; k
3中断语句1 r9 @1 a. D) J4 m" N: j
waituntil <condition> prio <integer expression>;
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8 ?0 X+ ]% G6 E4 a' O以上为常用的函数！
2 u T2 x. B* p. E) h: K$ ?/ V* w还有很多，如有需要我把资料发到你邮箱里
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