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发表于 2012-11-13 08:48:12
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1判断语句9 z: R& u+ {5 I! H/ b
if <condition> then8 W$ k0 d0 n8 N6 u7 J: S: W/ P* P
<statement sequence1>;; N4 Y) l+ y! }' ?8 N" L! ~; X% T
elseif <condition> then' M) ], i$ ^$ s" Q* T$ C
<statement sequence2>;
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<statement sequence3>;7 C u1 c/ f- Z& O2 A
end;- d2 |4 W0 u8 y
如果分支比较多，用：0 E) \' {8 W5 }/ w2 k/ S
inspect <expression>8 M3 M9 W( {" V. T$ s9 H
when <constant_list> then* k1 V; y0 K- Y2 |6 U
<statement sequence1>;& f$ A1 w2 y3 c( G6 d: ^1 Z$ d
when <constant_list> then
3 c( H$ o% T5 s ] <statement sequence2>;. O& w8 [: e5 d* u# _7 T; Q# O
...; B8 N" @" z. r1 t% B) d2 \
else
) ?3 {! Z) @# s( D# ] <statement sequence3>;
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2循环语句: }9 J9 C. Q( N! {, G0 d% r3 t
(1) from <statement sequence1>. z$ H! |5 v p; Q/ c: R$ Y
until <condition> loop5 w+ X; N+ Q, t# z8 u7 o0 p
<statement sequence2>;/ c& j+ Q; ^) e3 v8 ~
end;/ F& c, s! e7 D
(2) while <condition> loop6 o" p7 t' n+ [5 d
<statement sequence1>;- s. g$ t g$ K3 A
end;
, V: |' Z3 E2 D7 V' R3 ~ (3) repeat ( f% l& g. s" X w) m" a
<statement sequence1>;! r3 A! O6 r1 u; _
until <condition>;: ~( d% Z; o( `. J+ n& u
(4) for <condition> to <condition> loop* X, c7 C- X: i( w& |, E
<statement sequence1>;
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3中断语句
/ A# y" l M, f! h$ e9 E: b* e waituntil <condition> prio <integer expression>;
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& z% O2 H& M$ C- p" N, l+ j' y以上为常用的函数！
7 W/ q! V1 T# M/ A3 R还有很多，如有需要我把资料发到你邮箱里
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