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发表于 2012-11-13 08:48:12
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1判断语句
' l+ i0 S! e) ^; ^; p+ B; { if <condition> then: ?$ p8 p& C( g7 W& ?$ q
<statement sequence1>;
9 t$ A+ `3 f- y5 z: U$ j$ H7 B! [ elseif <condition> then
& Q/ S) z8 I9 B- o <statement sequence2>;- H; b* z2 s& `" c3 j6 L8 O p0 F
else
/ ]1 N- D4 K. }7 I3 N <statement sequence3>;
* p' W' @# p1 F" R# Q end;
: a, A: J- `: q6 q5 Y4 W如果分支比较多，用：
$ S% Z/ W# U5 f5 V$ g! w inspect <expression>+ ?" b4 z X& }
when <constant_list> then& H6 ?/ d. e a0 y* z! f" ?/ s) u: M
<statement sequence1>;
" W. r) j% M* t: s$ X' g when <constant_list> then
+ g7 G: H) ^& ` <statement sequence2>;, s0 g$ t `( A8 z9 q, {. ]3 r
...
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<statement sequence3>;
# j# u* q3 \( k& x( Aend;
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6 f# u4 z; C' Q! u2循环语句! b$ @5 |1 j& p
(1) from <statement sequence1># n5 F" S4 g) D5 f& y! o" Q
until <condition> loop. F, q6 G6 S, a" D, C8 r
<statement sequence2>;+ Z1 W( o' }. N, b: _, F
end;- W$ @* _- b9 v% A0 p
(2) while <condition> loop6 x$ ~+ \0 Z2 |& C$ c8 v
<statement sequence1>;' y! l1 ~' [2 W
end;( @2 f6 J$ e( v! y, S! A* i+ q4 ^$ k
(3) repeat
! d+ D% x, D. k* r% `& D/ `" `+ a <statement sequence1>;
& T; i& @- L% `3 I4 j; V4 q until <condition>;# L# E1 e) Y: w% F$ o
(4) for <condition> to <condition> loop0 K8 l# i* l1 H# P" P% L& Z, k
<statement sequence1>;
- ~% f" {8 v. P" ]; q- g' B; k next;% I' Q4 x: ^) g8 `
3中断语句
7 S% s* E3 |% Q" A6 m# {* H% U3 k$ d waituntil <condition> prio <integer expression>;2 A9 ^$ c3 w+ {. Q- {% E, E! C: C
: b0 ^) ~) B& x) G& @" O) l
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以上为常用的函数！4 i/ |* P! T% y) H- ]4 k
还有很多，如有需要我把资料发到你邮箱里
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