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发表于 2012-11-13 08:48:12
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1判断语句, B: X# p" b l# j. S% l
if <condition> then
9 d2 r" _: X1 L <statement sequence1>;
7 z8 I p! `; u+ c4 d elseif <condition> then4 H, w1 R2 v" Q; I
<statement sequence2>;
7 t) x' V: d' K* a9 p9 s else
& t6 j% n0 D" B% ?: i1 Q <statement sequence3>;
5 I6 B; Z7 F5 n& c4 S end;
& j) K: T9 s! y' t2 e! B" ~1 R如果分支比较多，用：
# Z" [5 n* R) x9 G inspect <expression>" A* z0 T7 O% o5 A4 l) M
when <constant_list> then
, O6 |, W! Y. E4 N <statement sequence1>;( r5 A- R3 }# G) Q
when <constant_list> then
0 b" j. l5 w Z$ S* ? <statement sequence2>;
; d. {$ U r7 s ...
% _1 G) k: z; G else: i9 Z$ e- t' D5 O6 p/ y
<statement sequence3>;
% A9 I, z5 ?& P# _3 @end;; x& H( L& R5 T" p) A
5 A2 u2 y9 F9 q5 d: U2循环语句5 L4 f( y! A/ L/ `: h# z1 T
(1) from <statement sequence1>
9 c, `7 g7 o/ T# E0 l until <condition> loop5 V1 R' z+ k+ Z# f' m8 G
<statement sequence2>;& n4 z/ ^ O. q( W; q% k2 {
end;
+ d7 |+ q4 C5 N& v0 ?: O+ Q6 o (2) while <condition> loop
4 L# u) q6 t7 n% v. d s <statement sequence1>;
, y* x/ y. I. h end;: i9 z2 ?8 Z/ Z! ^0 D$ ?) [
(3) repeat
+ g" i5 Q* c- Y: p* Y# R <statement sequence1>;, o: {. S! F' z/ n2 \3 ?6 T
until <condition>;
) D& q. G: I1 J (4) for <condition> to <condition> loop
9 Y, H; o- j% e <statement sequence1>;% W8 J4 G% q4 R; L2 h
next;$ a/ F* {/ V) I2 Z4 V" e
3中断语句' `9 |; b7 t# V* K$ Q* h
waituntil <condition> prio <integer expression>;
1 ^1 {( b; }% s% q9 ?
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以上为常用的函数！) R7 c; m2 s4 P+ B3 w F
还有很多，如有需要我把资料发到你邮箱里
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