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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
! S$ M/ ? y: Y: K if <condition> then, R2 M9 `' H) x8 }' @1 c& P8 ?* `
<statement sequence1>;1 q' H9 Z; p2 o8 s0 k) b' s! O: x
elseif <condition> then
9 ]& _8 w9 T4 ~$ K0 G4 f: e <statement sequence2>;
& U# S7 W+ D* P4 \9 p2 E else
1 [& Q- `: v6 G; M- k( q5 k1 [& X <statement sequence3>;
e: V% N) U4 p! D/ V end;7 x8 V, a' z, l: D+ m2 [0 x" G4 Q
如果分支比较多，用：
3 D( L" p6 w6 b2 V4 G$ w6 L. }% G6 Y inspect <expression>
+ `& |: @2 I6 w5 {8 A" b when <constant_list> then* B$ Y% D( |: s J4 e3 J1 g6 `3 F' `$ ^
<statement sequence1>;
9 K* ~# w$ q2 S# D1 u; \& P when <constant_list> then, C4 q0 F4 m6 M# S% A. j2 O
<statement sequence2>;
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else3 e8 Z# m, I/ H. H6 F% O4 ]
<statement sequence3>;
1 g* ^1 t7 d: o6 Tend;- K' O" ?1 p% Z
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2循环语句
9 X" |/ U ^! G& S/ q (1) from <statement sequence1>
`0 J N' F4 r until <condition> loop
" K) v2 h4 v- U; l6 [; y# l4 V <statement sequence2>;
& C: R T) m+ D! q6 H end;
M2 ?# ?& H# i; }3 u! U! o (2) while <condition> loop R: B: d+ Q2 _/ y! W, `) u) f; u
<statement sequence1>;
0 M0 L" W2 b8 P4 o+ q% b. J6 ? r end;9 n9 G8 i" v2 T; l. ~9 ]% n
(3) repeat ) P6 Z! \$ K0 e8 D+ }7 B, l
<statement sequence1>;
1 }7 x! [! x7 \' M0 W+ X until <condition>;
4 W1 B+ ?" a; l' R p (4) for <condition> to <condition> loop
. V7 o9 y# [6 Q2 {* l# y <statement sequence1>;
6 r, E9 O/ Q7 f0 |" V next;
$ M* r6 v% \) D$ ~/ R( L2 m' T3中断语句% A* ?. q& f& x! B. A: H
waituntil <condition> prio <integer expression>;
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以上为常用的函数！! h9 E9 D+ U6 {7 _! S5 Y5 O
还有很多，如有需要我把资料发到你邮箱里
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