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发表于 2012-11-13 08:48:12
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1判断语句
/ ~; f+ O/ z( P( Y) a# H if <condition> then3 ?0 ?9 D( @, X
<statement sequence1>;
3 H4 Q- _# c9 _2 ~* ` elseif <condition> then
9 z# j. I: }1 Z/ F3 Z' m <statement sequence2>;9 R* {1 ?* {1 |9 P' U: L
else & D0 B7 \) v# {$ q
<statement sequence3>;
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如果分支比较多，用：
: P6 ^' r7 I0 t7 v' Z8 t' u inspect <expression>$ q0 d8 S2 a' @* {7 B' r
when <constant_list> then
" ~8 ~( F0 G' s" _; d; u! g8 R; M <statement sequence1>;0 a$ h7 q4 Y- _5 U9 H t
when <constant_list> then
, O( b! T0 t& l% d+ r' N: O2 r& v <statement sequence2>;3 A9 G+ H4 a2 D) K& K
...# \ y. i$ C7 c) ~* S& ~
else; U$ h( {0 n# ], N( ]; Z, y; }& \6 f
<statement sequence3>;
J& f7 n7 I1 n% V8 Y& \5 @end;$ d: k! \; c( X1 M, j# v9 w; G3 m7 @
2 d, Y2 R0 e6 R0 d( k$ V2循环语句' e5 W* _& f0 G
(1) from <statement sequence1>
- O) f8 Y. m4 }: H until <condition> loop5 V. b6 W; }3 G0 B1 m$ L: Q7 a
<statement sequence2>;8 b8 c( p$ ]$ `, @+ C* k
end;
5 C7 J. c$ j$ P' r1 y, E (2) while <condition> loop+ ]! D% l% @" O0 f: _$ l/ m0 I
<statement sequence1>;
8 K( A) b" e7 n6 ^, u+ ^+ |, e3 x end;
0 N/ W# v" O5 U( V9 L (3) repeat % p2 m, \$ G* N, w
<statement sequence1>;& d2 Y9 r& @ Q- ]* R+ B; ^1 f
until <condition>;
5 f8 d8 r( l L% y (4) for <condition> to <condition> loop
2 {4 O! e# q& x5 S& ]4 c! C <statement sequence1>;
6 d1 @; p1 S; a2 a' G; j, @6 { next;
( l9 I- Z2 z1 f; @6 R3中断语句
5 v6 n$ l, I. ?1 p waituntil <condition> prio <integer expression>;
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1 o, ], x2 E, G. L) t9 k以上为常用的函数！( q0 }. J0 B* C, [4 {
还有很多，如有需要我把资料发到你邮箱里
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