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发表于 2012-11-13 08:48:12
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1判断语句0 F& b7 S% ]# ]7 E
if <condition> then
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/ s. z4 c, R" W* z/ ?; {, } elseif <condition> then, ?7 D5 N+ b: x p5 \& H/ G/ g
<statement sequence2>;
$ q) D4 Q9 n; `# S/ v' w else
! d E8 C6 s8 ]8 N1 A <statement sequence3>;* s% B3 l% o( q7 h) o# I% r% Z
end;
. c) @4 ?" b" B% C) [! m$ t如果分支比较多，用：
' z% F, S5 L, i inspect <expression>
3 `0 D% [" V* k) X7 L when <constant_list> then( s1 _9 A$ q& ]& T2 O
<statement sequence1>;
3 u& K9 d% y6 p' O. [0 ^ when <constant_list> then ]) M- q4 v: z; g/ r, j; N
<statement sequence2>;
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else- b9 `- \+ p f0 I5 b( z6 I
<statement sequence3>;
8 \0 _+ n; o3 q: B5 zend;
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" O& {7 t. l/ \6 U2循环语句% u* q8 ]4 H% M! ~! K
(1) from <statement sequence1>) ^9 e! F- |. ~1 b/ I
until <condition> loop$ I: T& k+ D, p; A8 L
<statement sequence2>;
/ _/ y% R3 \# R0 S+ K6 i6 R end;
4 ^. Q8 _8 F8 I4 Z4 m (2) while <condition> loop
: s' k9 ?$ X4 r- ^, A% y <statement sequence1>;- j& w( [, E s2 n, x" M
end;4 b/ l9 n9 n) [7 I3 }
(3) repeat 8 U6 {$ p* y- i9 }$ n
<statement sequence1>;
( }, F/ F S' @5 p' @ until <condition>;
; j! l4 m) b; }$ h (4) for <condition> to <condition> loop; k( j9 \9 k. S n8 [( l
<statement sequence1>;, D; f* m& b9 u1 C- I/ R3 H
next;
, G& C+ v: B, ?( ~0 H% N0 D, r; U% }! K3中断语句, m( I; Q1 I4 |* a0 w
waituntil <condition> prio <integer expression>;
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以上为常用的函数！+ }! M. d' F8 ~$ I9 t$ S
还有很多，如有需要我把资料发到你邮箱里
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