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发表于 2012-11-13 08:48:12
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1判断语句
$ m2 |+ F+ l Y5 Y2 n* o: ]3 b if <condition> then
" y6 O X7 w! {8 F6 @' x <statement sequence1>;
+ L0 Q% C$ K# @ elseif <condition> then/ i: N6 r) F7 U+ q, j. o' k
<statement sequence2>;% V$ D) @7 R+ S& H+ u
else
' U5 `% N, o4 V) a! q+ F% S$ M <statement sequence3>;
# J. e2 L S1 B$ ~* |; N end;
, D9 k7 E. B# z$ G' \5 p. Z如果分支比较多，用：8 h* M' o8 o( ~- J
inspect <expression>
' q8 \/ I6 F; g6 y3 E when <constant_list> then) }2 V1 Q/ {" R9 o
<statement sequence1>;
8 f% z% p/ `9 R: M# F( R1 n% `3 P when <constant_list> then
. b8 o, R' R" r, o4 c! P/ b0 s <statement sequence2>;; o2 r7 G( _) p* t
...
# c2 o3 M5 f5 G6 d7 H# e: } else
5 z8 o" V- e- g5 k: h <statement sequence3>;
2 u; }! C+ a( n7 [, R6 zend;
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2循环语句& t* {# i+ x, C t% |, v
(1) from <statement sequence1>
" u7 T: t$ z _. Z& \ until <condition> loop, E/ m, ?. ]" Q7 G; B! h! b i2 q
<statement sequence2>;
y8 L* P( Y8 d* T+ h end;% ~7 p! [* {6 \5 K9 E
(2) while <condition> loop- I8 }; w3 K+ P( z& N5 f# {: _& i* p
<statement sequence1>;. ]" M4 A( y7 ` H! s
end;
$ D; T& i2 @- g7 C1 v9 G+ a: } (3) repeat 0 N4 P) V: e( J2 @' z/ R
<statement sequence1>;# L3 h) f& ]: Y7 s* C3 K& h
until <condition>;4 ?) u+ a: z0 l) a" w8 T
(4) for <condition> to <condition> loop
L9 h* p' N0 N$ _6 i3 t8 O <statement sequence1>;
, m" R' n. D: U9 W& R: w next;$ s3 A4 x0 _% Z& b
3中断语句4 @: q& P( B! B0 J+ r( |, b: d
waituntil <condition> prio <integer expression>;1 R+ O# C" |! C+ z
' y4 w0 P# R4 K+ F& d! p
9 }8 {" c* U( ^0 A% o
以上为常用的函数！
2 \0 Z- U% c" y M/ O7 Z还有很多，如有需要我把资料发到你邮箱里
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: O1 H) x+ S* ~! q; z2 ?
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