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发表于 2012-11-13 08:48:12
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1判断语句
6 z" o5 M0 i# K. X- l0 F% F. E if <condition> then1 j8 _1 H) H7 R ^
<statement sequence1>;$ D) _2 w; h, U4 s" Q
elseif <condition> then& x! g3 t& A; |! U
<statement sequence2>;
& [0 Q' U6 ~2 j- U- c else
+ {+ u- Y/ Q! k$ u1 | <statement sequence3>;
: ?3 {. u8 R/ ^" {! v9 f end;
" L0 L. p. b. h( i8 i如果分支比较多，用：! F% d0 O" R# e; J: |6 a
inspect <expression>0 X& X" ]8 ^# v3 g5 P5 u s
when <constant_list> then$ k- s; v/ e& v% y/ o2 E
<statement sequence1>;
/ y: R9 I% B4 I) v. \/ ]3 f when <constant_list> then
" M* O" t' R. P/ @+ ^9 h <statement sequence2>;
$ Z: D& t$ q f s, o2 l ...
7 R/ X" Z# x) \1 y else
' M+ ?5 {7 v: u) t# E1 f5 m7 A <statement sequence3>;
$ U: g! y! {6 I4 v" {: W; {end;, A" ^7 D7 r( t) f
1 x$ y- t+ H% D! T* F7 [2循环语句
8 L/ i& a7 `1 e# a4 d& M (1) from <statement sequence1>! a6 H. M9 ]8 |* T+ `7 ?
until <condition> loop
: U! ?3 A$ ^9 l4 F <statement sequence2>;$ N4 w* T5 p, j; N; ?/ S
end;9 H8 e/ @/ s: B p2 F, G
(2) while <condition> loop
) R0 X8 X' w* I& r! @& P8 E! }; C <statement sequence1>;
" R9 _2 d" x, _& k3 [8 [ end;
/ h, c4 t# ~; A( O# i (3) repeat : r+ L/ m% J: t
<statement sequence1>;
5 ?# s4 k' G p* s/ R) U( _4 [) `+ ` until <condition>;
! g3 ~; z0 l1 ]; Z: ~8 ^! S (4) for <condition> to <condition> loop
. D% k/ Q: ~( P" B2 Y <statement sequence1>;
2 @ Y" D( j2 o$ L* s+ y3 D! i next;
8 M, |; [- j* K2 u3中断语句, J1 D9 w, L. q
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
6 l, G6 @( j% k4 _7 K: `; @还有很多，如有需要我把资料发到你邮箱里
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