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发表于 2012-11-13 08:48:12
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1判断语句
, E' n; h0 D J- u8 g& T& C, u if <condition> then
% b1 L' K8 B; I4 G$ C <statement sequence1>;
" C7 X' w8 l2 K. [+ w, {$ M elseif <condition> then
5 s9 H/ [9 o) j* x <statement sequence2>;& G. Y5 G! z" W3 W* Z
else
4 U6 T) G ~# u* o" X7 w: [ <statement sequence3>;
7 g2 n% }; I/ F& A3 @ end;
+ ?! q# n3 c$ ]如果分支比较多，用：; ^3 }- d( @& Q) f. J" o
inspect <expression>
4 n/ B( D1 F5 I! f0 `& Q0 L when <constant_list> then" i2 k; ?. H# A9 O9 C! k) L
<statement sequence1>;7 S, @3 x! B7 q; K2 {
when <constant_list> then& V# g% ~0 I9 x8 U8 [4 ^( P0 n
<statement sequence2>;
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else/ p' V9 {; e- A+ s* J" D
<statement sequence3>;0 N: ^1 w% m9 ?
end;
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/ Z! `( ^2 `, k6 G, K* z% W: G7 c4 O2循环语句6 b* {, L8 S) p0 D1 b2 V% `
(1) from <statement sequence1>
/ x7 \3 x, k1 q until <condition> loop/ J3 V3 k) {) h8 S
<statement sequence2>;
- A/ `, n: Z6 S: L0 V$ j end;
2 u; ?3 {: k7 L) E& P% ]% a+ W (2) while <condition> loop
* W1 E8 p. z; r <statement sequence1>;
7 u# ~6 k! Y. \+ u/ {3 J T5 h end;; I W% T& l) M7 F* b5 c
(3) repeat
1 c' L: p( @$ g7 E) s. J <statement sequence1>;
: U& E8 ~* V* J$ l( P# X- c until <condition>;
0 N5 r. V, F0 K, a# |2 a (4) for <condition> to <condition> loop( ~: [5 t# y2 C: j* F. ~+ |
<statement sequence1>;* r+ h" H$ K8 k- V
next;! X! \4 C% Y5 r
3中断语句
( J0 y. O3 g2 B) X: T4 l7 | waituntil <condition> prio <integer expression>;0 ^, c" u1 p" p$ v# H
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& _+ g/ x: b. t2 e以上为常用的函数！$ G' k/ n; N/ F& i
还有很多，如有需要我把资料发到你邮箱里
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