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发表于 2012-11-13 08:48:12
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1判断语句
0 m7 R$ n; D& v: v( e6 f# ] if <condition> then6 H2 ^5 F) B- N! S B8 i' ]2 o. y+ y# j# c
<statement sequence1>;
, G, H* ]; E3 U& ]8 ^ elseif <condition> then
- q, e4 f, g0 d* W% B, q <statement sequence2>;* T. F& m' y/ V
else
; B& Z$ g( N, r* x, ?* U$ b" \ <statement sequence3>;- z7 I z% F' Z" W
end;7 v' C( S8 E% ?4 p* L! V+ G2 I
如果分支比较多，用：. ~5 h# t& @8 ~% k
inspect <expression>
) P S+ U' X$ c b5 |5 D when <constant_list> then/ B& u0 v8 u" V7 Q! A$ D. G9 C
<statement sequence1>;# h4 I7 ^, N3 c8 R
when <constant_list> then
$ g, J F* K8 t7 k <statement sequence2>;7 P$ |* Y! ]3 I4 ^/ f
...# A: {6 i5 Y2 z( Z
else
; k5 y* {3 H9 x3 K <statement sequence3>;8 B7 |' Q0 N; h, {. ` i
end;
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/ N8 o) a( T( T) b- c2循环语句
$ o2 w4 \( N9 r0 I (1) from <statement sequence1>5 F7 w- i N0 W& ` U
until <condition> loop% Y! Y+ \( f/ K5 M
<statement sequence2>;6 U8 P$ g( j! I2 c; O; p
end;6 S3 R" k2 w5 _" I& O4 O7 Y
(2) while <condition> loop
: z$ w. T7 W4 C <statement sequence1>;. H. t6 l% Z9 [/ I
end;* V5 T% l0 C9 @/ e2 A8 ?) D
(3) repeat
9 V+ c, j2 l7 @ <statement sequence1>;
& z$ d4 W6 p6 l: I2 E( P' F until <condition>;1 c5 w1 t" F, ]! j
(4) for <condition> to <condition> loop
) ~* x+ s! h! I* L <statement sequence1>;
4 N( l1 X- X6 H next;
$ m$ _4 V" S9 i+ d: a9 q7 Z3中断语句' d' o0 Y6 x8 t) V1 H6 w
waituntil <condition> prio <integer expression>;3 N3 s7 a7 I6 l
2 j5 q/ U6 n0 k! S% n
3 t$ z! p& X3 g/ b% L5 S! E以上为常用的函数！, X/ K7 I4 C1 X/ ^1 H& i: R
还有很多，如有需要我把资料发到你邮箱里 2 ~) G# M' u, m$ T: @3 e) Z6 D8 k x
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