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发表于 2012-11-13 08:48:12
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1判断语句
. z+ z3 N" j5 r4 y" K1 y) q if <condition> then
) h3 w0 w/ I! L5 {0 _2 U <statement sequence1>;
4 |. Y2 o+ I* ]4 E elseif <condition> then, m' J' e+ h) q' v3 l+ T
<statement sequence2>;8 ], I4 P# s, H7 ^' x% L% T1 j2 z! i
else * A" Q; K$ K2 T& y, u
<statement sequence3>;
7 Z* w9 s5 X: D4 w0 o end;
) b, o4 E% d2 M如果分支比较多，用：+ j3 h% J3 n( ^ l# k
inspect <expression>
2 L3 g; @6 `1 z, V when <constant_list> then* j; D3 | t- `) z2 v
<statement sequence1>;+ R& [* N @" L, H( U: c
when <constant_list> then
2 V, Y- Y1 d6 b# n$ v! j <statement sequence2>;3 g3 B# D4 Z$ z! O5 e/ m2 H$ B( t0 S5 J
...
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# A# f% c! r9 O6 E <statement sequence3>;
) D9 I% \7 a# k6 qend;9 `, N' S# v u+ e
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2循环语句5 o* k& {. }# h
(1) from <statement sequence1>
7 x; G% e9 _' B' K until <condition> loop! g4 B1 d0 y* D; g9 @: {
<statement sequence2>;
. t4 h# P* r. E' i) |1 L end;
, X) G1 n* L- r; `3 _ (2) while <condition> loop A" S0 f: E1 m7 T
<statement sequence1>;8 ^6 H1 N. V# y$ \# s
end;
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<statement sequence1>;
; k# @8 Y9 e! m: `* g& S& O5 } until <condition>;
/ B( ?1 c9 t# h! |6 O( O (4) for <condition> to <condition> loop
0 W8 c9 J6 U& ^8 @' {" t5 z- Y <statement sequence1>;8 ?( Q' s% @( u- E# U$ p1 w( e: E5 F- v
next;0 Z7 j* q+ H& T5 V
3中断语句7 K* t5 S% y8 K- @9 c, p0 M
waituntil <condition> prio <integer expression>;
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3 S4 s$ w% V4 A, {. {" c: M, X- q
以上为常用的函数！
" l( t# L5 B4 L% s; k- `0 @1 }% H还有很多，如有需要我把资料发到你邮箱里 ( \- P( F7 }2 J
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