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发表于 2012-11-13 08:48:12
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1判断语句! C W: q# y* {1 h: w
if <condition> then1 k7 U" E" }) ~- e/ r+ z
<statement sequence1>; \, P/ y* G: `3 Y& p0 Y! {4 I
elseif <condition> then
: U+ p N: v3 Q p l1 G8 { <statement sequence2>;% y! J6 a4 D* u( i) }! C# j
else 0 ^% `0 m# [: J3 o' o9 t! k
<statement sequence3>;; Z8 t* z T9 g# `' z) v- \
end;! j Z, n( n, p. Y) y& H1 c, ~
如果分支比较多，用：! n9 m6 z4 R- x$ m# @
inspect <expression>3 b. l3 O3 ^& }3 U# t
when <constant_list> then
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$ q! }) ?. C4 N9 _" u* c0 l% l& F when <constant_list> then% f9 j2 K! E# L5 X* O2 @
<statement sequence2>;8 I( o( A/ w2 j; r5 |3 Y* n- g
...
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<statement sequence3>;
; d2 R# ]% O2 {5 U ?0 c2 @9 Oend;
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2循环语句% z5 }$ m' W/ F
(1) from <statement sequence1>
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/ r! C$ A% i% V+ p' k1 }8 m <statement sequence2>;" q1 S# g+ J/ l" T5 D
end;
) w4 p4 S6 Y0 b, _" i: W5 b (2) while <condition> loop, ?; U r' `- y) `
<statement sequence1>;$ N9 b- i' ~/ t: g7 q
end;$ b1 Z0 J- m& _9 W- h" m
(3) repeat - x p: R6 D/ w- e8 Z* h
<statement sequence1>;: r* R; S8 K) B3 p* g
until <condition>;
+ p( R3 h* ^, _- Z; ~7 y5 Q P (4) for <condition> to <condition> loop8 ]" R& ~; z. K; L, U/ P2 m
<statement sequence1>;
/ e! p. l/ L( b next;
& q6 i7 ?! M& ~) z( ~$ y, `6 l2 }3中断语句
0 b! E6 ^ L) l0 x: c waituntil <condition> prio <integer expression>;
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# ]+ y& a2 ~0 D以上为常用的函数！
) P9 v2 h3 m& B* F: q. [还有很多，如有需要我把资料发到你邮箱里
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