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发表于 2012-11-13 08:48:12
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1判断语句
& H- n) k: |) f' m; ] if <condition> then
& [4 i$ l2 Q/ Z/ d1 ` <statement sequence1>;
1 z* L6 S; P9 H; `" l D! e elseif <condition> then& s# m9 @# n+ c/ b e0 z1 T
<statement sequence2>;9 n4 m# J7 u9 d$ L" i
else 7 H% J" ?9 ~4 K: Y' X, |# D& |) q
<statement sequence3>;
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如果分支比较多，用：- Q- K4 t$ Y0 A+ M4 R5 B% P
inspect <expression>
9 Z# y9 L0 o: T- E, { when <constant_list> then; i" [8 S- Y% @, Y
<statement sequence1>;
2 ^: a s1 o: d5 H when <constant_list> then
3 o3 T4 j2 L0 P' P. R6 N <statement sequence2>;
) _7 t+ L3 c8 t$ T3 D3 u ...
, L) v0 ]9 J7 o1 M: F else
5 U) @6 {8 d5 c% z( J9 j) A# ] <statement sequence3>;; K) R$ M* G- L
end;, w1 J+ B% C- ~+ U
" [% Y& ?8 O/ Z. f2循环语句4 R+ s' r. q3 N8 O% t F+ S& N
(1) from <statement sequence1>
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$ ^+ N* `4 F- R# w: b' }0 r <statement sequence2>;% p6 j% y3 f; [' v& I/ q
end;
' W* J7 J) M" O; A& Q (2) while <condition> loop$ a9 S% t, H2 {3 X
<statement sequence1>;
1 r$ v. d( i2 J4 n3 o; _ end;
" a5 o6 O) o! Q& {& ]& K$ O (3) repeat U* J7 x4 |7 _( p
<statement sequence1>;) l7 W# A+ M( O0 d1 h9 |7 ?
until <condition>;
; q: E: ?9 u. d (4) for <condition> to <condition> loop5 s F6 b+ \9 h3 _: Y! k
<statement sequence1>;1 h5 q" ^1 l. v: ~
next;
: [9 a) ?6 o) P v; e: @3中断语句
6 d7 s ]9 M; D4 j% H/ M8 h/ q waituntil <condition> prio <integer expression>;
+ `4 E& @$ r6 w( _# p J, C; ?, O# K7 g3 {- y$ h& z$ _! y
. h9 W: u* ~: T( T- C! u5 m, z( {以上为常用的函数！: p4 W2 ^) D2 G3 b
还有很多，如有需要我把资料发到你邮箱里
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