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发表于 2012-11-13 08:48:12
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1判断语句$ ?4 }! g. m* Y8 G8 j: \- u
if <condition> then3 z+ a9 b% j$ a7 x
<statement sequence1>;4 [$ _, S, G2 ~, ?( \4 j! D
elseif <condition> then
# B6 g$ _+ N+ ]4 F( D3 o <statement sequence2>;
- b2 Q& r" l7 ^0 s else F5 w8 |( N/ i
<statement sequence3>;( T/ m3 ~) R( A! q. F
end;
# N, k9 _) m# F/ O2 e& c如果分支比较多，用：- q y3 d! F; l$ X; B: Q
inspect <expression>
5 F" [! p# ?: a7 Z when <constant_list> then
* P- z4 ]5 a5 V+ r) \ <statement sequence1>;
% w/ _9 a$ @$ L+ |, k when <constant_list> then d; m# R9 w' n
<statement sequence2>;
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else
. [" a! O; n! l: h( J3 ^7 X# o <statement sequence3>;/ `% c2 G. |$ C, e; V: F
end;- Y- L* S8 U: C( D+ V* H1 Q
, _8 G6 P) c" @/ t. j6 j2循环语句
" ]/ @( Y" O' z/ O& N: u8 D (1) from <statement sequence1>% q% f! M$ ~1 @1 ?6 g4 ^: ? a' Z
until <condition> loop
* ?% Z0 B5 S4 x! G& |$ M <statement sequence2>;
3 k$ \3 G1 ^) w5 z; P end;9 A: _1 S: O3 h2 I# Y- t- @
(2) while <condition> loop
' v& X" ]$ }( l- a3 B9 v <statement sequence1>;
' u+ i: P, ]) ~9 ^ end;) A5 ~6 V! c* L0 c
(3) repeat & t$ J+ M) C* ~$ t9 W
<statement sequence1>;
% |' q( w! ~6 {' f5 @ until <condition>;2 U" C( X# X% S8 R: g
(4) for <condition> to <condition> loop
. z9 C" ]# f5 X- d. i7 v <statement sequence1>;
% @# m& ~. H" o next;$ P7 g2 b$ C& e9 `% a& D5 O; g
3中断语句
3 P$ |4 o7 R- t5 \% n. R. W& X waituntil <condition> prio <integer expression>;1 I/ ^" ]/ P5 e! F" y4 X
0 @/ x9 f5 b2 N1 b4 Y
4 b5 l* K/ \) \: `$ D' ~; }& s7 e6 K以上为常用的函数！
- Z: O* @9 l: I还有很多，如有需要我把资料发到你邮箱里
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