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发表于 2012-11-13 08:48:12
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1判断语句
6 ?8 X' D! \1 A9 W if <condition> then4 @8 @9 h9 f: i+ M& ?7 L$ ]9 Z
<statement sequence1>;
: V1 W9 ?! h* |# U% { elseif <condition> then5 C! @. p& O! B; n
<statement sequence2>;" S8 r; f" Z N
else ' @( X& F9 O, u" {6 v
<statement sequence3>;3 V& Z3 Z4 V$ N! b3 \. Y
end; w. C1 @! g+ q
如果分支比较多，用：( w& ?, o: r2 H# s
inspect <expression>( t& N" ~' n% {7 Q& |
when <constant_list> then
- H, S* v) o! A# j! J% S <statement sequence1>;3 V& f3 f; v1 V9 X4 J! h
when <constant_list> then) n& O0 |0 }4 {3 I L1 K
<statement sequence2>;
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else+ Q6 T' z) T) p% Z7 e$ K
<statement sequence3>;
* U q# p7 G; K6 l* Qend;
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1 H6 b1 R; u' m- e, y2循环语句
$ Y6 p6 f6 h% z9 J4 P: y2 ~1 ~ (1) from <statement sequence1>' F' G6 V# x- c8 B$ H
until <condition> loop7 P8 n- E1 m' ~0 y
<statement sequence2>;, b8 X; ^# S( F, ~( ^8 h6 U0 K' |" K
end;) k4 o H4 v5 X* R. |: Y) l( i( x' c
(2) while <condition> loop+ P' G% O) N/ h
<statement sequence1>;
& i7 C% ?/ L( f% e L end;
1 t8 b5 ]& d, C7 }3 } (3) repeat 4 D5 b Q9 G$ x# ` ^
<statement sequence1>;
- z0 f2 f& J3 g0 Z# l& G5 @ J until <condition>;+ z# Q+ O. }; a( r2 I( B v
(4) for <condition> to <condition> loop
n. Z6 j5 Q! |, `7 W, Z6 e <statement sequence1>;; C7 _0 Y3 A% o2 i; ?1 t7 }( F
next;
n5 u z9 T" L3 [. z3中断语句
& m. c/ O8 q6 m: \ waituntil <condition> prio <integer expression>;( T/ C1 R3 y3 |5 L8 S7 b: r
! l z& e( A* F. ?2 L+ O! X" Q/ y5 [
4 k& T3 f- t/ r z以上为常用的函数！# {) ?% m3 z1 w5 K
还有很多，如有需要我把资料发到你邮箱里 9 t% L0 o- s4 n" d! b( d
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