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发表于 2012-11-13 08:48:12
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1判断语句% W: |( G; o0 C! u' Z
if <condition> then
: O4 D6 |8 I" h, n& z <statement sequence1>;1 O1 _) j- c6 w- W/ t$ D9 o
elseif <condition> then
$ T3 _( z: p# I1 O$ [2 r4 E <statement sequence2>;7 a: V; \. A! T
else
# e5 e; p) O/ T" l. V <statement sequence3>;
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如果分支比较多，用：: d; z7 m' R5 _* b1 U: k1 a$ |
inspect <expression>
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<statement sequence1>;" q' r; U0 a1 m0 R% L
when <constant_list> then
7 a5 S$ K2 o! r! a$ X <statement sequence2>;8 w2 H! y6 w ]- \
...8 w& X, k( a+ q: @+ Z" p/ Q
else4 U7 B8 A4 E: c, X1 c% ?8 e
<statement sequence3>;
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" G1 C9 u- x5 n3 o, W: u0 X2循环语句
" @' f# b* v- A9 N) r- H" Z (1) from <statement sequence1>+ P2 l6 ^ B8 t8 q& h$ p
until <condition> loop
. z9 C. z3 `! y( m5 { <statement sequence2>; ]4 I) G. ^ ~' a2 i' o
end;; {& {& D' G! J0 C2 P1 _
(2) while <condition> loop9 U/ w* ~! o: `$ l' K9 A
<statement sequence1>;
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(3) repeat ) y" w# g* W l: `- ?+ G
<statement sequence1>;
1 u7 K9 {; z8 i: m' i until <condition>;0 f% O0 } {% T2 L9 R- {; L, f) Y% z; j
(4) for <condition> to <condition> loop
# y/ s" v/ c/ I# t& |9 B/ l1 z I <statement sequence1>;
7 H6 C" B2 a8 d* k( Y4 x' N+ \6 i7 f next;
& p4 |1 q5 ^$ |' ^ K9 k0 z3中断语句
2 Y7 k C2 Z( N& z7 z: S9 W" R$ _ waituntil <condition> prio <integer expression>;
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以上为常用的函数！* ^" P! G5 z- e' S. p
还有很多，如有需要我把资料发到你邮箱里
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