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发表于 2012-11-13 08:48:12
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1判断语句
' J# N! M) t+ O1 T5 g if <condition> then
+ R8 a" L; P+ I <statement sequence1>;2 I$ Z1 v+ z! b( S2 l, R6 c
elseif <condition> then. k: {4 D/ h! O/ }8 z
<statement sequence2>;! G% Z7 g& W% u: Z' G- x: y
else
3 L+ t$ @: r5 [6 Y" y2 d <statement sequence3>;
% P9 K( u s- v( K# r end;7 C& ~7 g* g6 r6 n$ e/ @( f$ g
如果分支比较多，用：3 x) _7 H% T" D
inspect <expression>
6 W9 R! T! K! b6 \' z when <constant_list> then
. g0 W* N0 E: ^1 }2 ^3 f/ P" C5 P <statement sequence1>;( n; Y, W* @4 e+ G
when <constant_list> then% q* ?& x" a/ f5 y* D; r b
<statement sequence2>;
6 O% T% N8 W4 ~$ L; m4 c ...
6 T0 u6 u, W$ ?; q else
9 D6 W' v6 L4 Y <statement sequence3>;3 u# b$ \! h! M
end;
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+ c K# h3 }& U v z2 L; R2循环语句
# ?" q* W7 c: e& O4 R$ ? (1) from <statement sequence1>
3 ~, N+ c" @" v4 i until <condition> loop8 `8 A* g% w* G! n; P( e. S
<statement sequence2>;
% d& j4 T' W& d4 r8 r end;
) }+ M# r7 W; U8 @ J (2) while <condition> loop6 p1 x z% H) l9 }* w
<statement sequence1>;
6 V" a: ^, m9 F# n end;
2 \3 a' s" |$ a (3) repeat 0 R L, p9 z& N! |& U$ j
<statement sequence1>;6 K, H8 J6 {! f, h" \3 t
until <condition>;7 }: q* s2 `" N1 q- V8 D: g
(4) for <condition> to <condition> loop
, K- e7 G: [9 e- Y1 d( s4 b <statement sequence1>;+ V2 q& c& o+ T# w, z4 W8 Y
next;
, ]4 j9 \& M) B/ X3 u# T q, c, x3中断语句/ O- t# C! G6 t0 ^$ s2 }
waituntil <condition> prio <integer expression>;1 v l& l' Q h; D7 G
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3 U# G3 s$ [8 P# U+ {以上为常用的函数！
' Y4 z& ]8 G' }7 J还有很多，如有需要我把资料发到你邮箱里 6 E6 @$ R$ w+ q7 F- ^' }3 c
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