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发表于 2012-11-13 08:48:12
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1判断语句
& c! w# Z0 {; E9 Y6 v1 W if <condition> then
" D/ N2 q# U, y" x9 H" W9 n( h <statement sequence1>;8 T, T2 Z4 E: b" X
elseif <condition> then
) j- A$ n1 x4 k% v4 O! r+ W <statement sequence2>;
: z6 g q" o; t. I8 b6 b, K* m: t else
1 ^( e1 b1 z/ c1 \ J <statement sequence3>;
! G$ K n/ Z0 N end;
7 ~" `0 u* A4 o5 Z1 z6 ~/ ?如果分支比较多，用：( A2 w5 m" h4 ~1 t
inspect <expression>
. q/ T, K6 g Z2 t @% f' | when <constant_list> then
" m, e2 s) i: ]$ r <statement sequence1>;+ @; _5 U. B9 f4 w) e, J: V
when <constant_list> then- F$ P' l- k' O( E+ n8 t9 O- E; t% b Q
<statement sequence2>;
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else
% n& J2 J4 N& \8 g( F4 G0 E <statement sequence3>;# }" u6 n6 `8 U- t8 I5 @
end;
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2循环语句" r& J6 h* _/ M5 S1 P, x
(1) from <statement sequence1>
+ B% a4 I' Y$ a until <condition> loop
0 U7 Q3 q3 w3 {5 C& T/ G% P <statement sequence2>;
8 K' t3 S$ x& W end;
, f: \3 I! R. ~( _6 n& k, X (2) while <condition> loop. g/ _+ I6 x: o0 ^- ]
<statement sequence1>;% v: {' I# d* t8 v5 S, c- S
end;
6 _% X/ k$ ]1 F; ~; [ (3) repeat " n- p i5 Y* s7 K1 P( v1 ^2 Q/ X: f' l
<statement sequence1>;6 M9 B1 r0 g5 u! {! l; X* w
until <condition>;
" O* L# [4 {# x (4) for <condition> to <condition> loop
) |& v/ R) l1 n' L. d <statement sequence1>;) D: a& P. [& z3 R0 n, s9 m
next;
) H6 Y4 D3 L l7 e6 U; H3中断语句
& y( t6 V- o6 V8 y9 H waituntil <condition> prio <integer expression>;. N$ X7 I6 K) x. s) P
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以上为常用的函数！
, M. U, W* S4 z还有很多，如有需要我把资料发到你邮箱里
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