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发表于 2012-11-13 08:48:12
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1判断语句
( B" d l3 @6 _2 ~& n- d$ I if <condition> then
% s3 \/ A8 M- I$ F <statement sequence1>;5 N& A3 `5 Z0 Z5 i1 k8 c! p
elseif <condition> then5 W$ B2 u+ ]3 N- z
<statement sequence2>;9 `3 n7 ]3 w+ J$ j4 Y4 M+ r9 j
else
( Z9 g2 C5 G$ j+ c& B F& M <statement sequence3>;
; B! k) D2 h D2 \; P, q end; |. I' s' T0 O/ D, d( w% W5 [0 ^
如果分支比较多，用：* _' K4 n" `- @. Q6 q, H
inspect <expression>
5 z0 ]0 | b3 U when <constant_list> then
8 ^9 C! ]/ Y0 K6 g <statement sequence1>;
7 ~1 T, X9 ?8 O) \ when <constant_list> then
9 F- [0 @; Y c2 }$ ?. y <statement sequence2>;% B u: O" ^- b
...
1 N5 Z# u6 T d/ N else& _: b! M( m- m6 h& V* W# X
<statement sequence3>;
A" H, `. P! g" |! D/ Cend;
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2循环语句
, j2 k/ b9 \: V) M7 b8 y& X. d (1) from <statement sequence1>6 ^. y0 E) o2 ^% n" [7 ?
until <condition> loop/ T/ G" i& e5 R( ^5 M( E& k
<statement sequence2>;
6 G) f% S4 e* J1 D" S v' v1 d end;4 D! W. \) C/ k `' G H, h# W7 E- V
(2) while <condition> loop
9 p ^8 h0 ~+ p. |7 @ <statement sequence1>;
* J+ ?* s, R# J end;4 d( }9 B) [& I
(3) repeat 0 O5 h, R3 H0 {: z3 j6 E; R3 g
<statement sequence1>;
A8 R0 A" z/ O8 t until <condition>;
; J1 w5 X1 Y1 M1 c' d0 N (4) for <condition> to <condition> loop6 P9 [9 ^) n/ N
<statement sequence1>;! A/ {* t2 L0 L+ p! Y* ^7 B+ D
next;
3 _2 T' Z, v% K9 y3中断语句
2 u: X$ e- u7 i; K0 g( d* W( k waituntil <condition> prio <integer expression>;2 ?8 W6 {1 Z( W1 k6 b( k2 z
1 {% z3 N" Z# h& b$ \0 I
) K% C# G. |) T" D以上为常用的函数！
2 M0 W* ] `- S {8 Q/ l还有很多，如有需要我把资料发到你邮箱里
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