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发表于 2012-11-13 08:48:12
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1判断语句
4 \, b% v' X, Q3 E1 Z7 |: `9 N if <condition> then/ p0 `( G2 k/ E7 ?8 e
<statement sequence1>;
6 G8 s/ d5 k' {6 J6 n3 ^$ M$ w g: O- j elseif <condition> then( M+ ^8 F7 |8 _ U5 _
<statement sequence2>;9 [6 }. [& \+ b$ l
else 8 z7 M# Q1 ]7 `5 k
<statement sequence3>;/ O8 r- z1 U( M2 h% _) R4 X
end;
# U+ g/ T9 N2 ^) f! q* c如果分支比较多，用：& S1 _ P9 ?! W
inspect <expression>
5 j: i$ Q9 D- { when <constant_list> then
- s8 k2 C9 u& P4 p- c& Q: i( b <statement sequence1>;
0 Y' y( q; Z7 W) z. I( _( e0 A. [ when <constant_list> then- K6 v: R, R. N
<statement sequence2>;
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else& k* j1 R! s% t! I
<statement sequence3>;
! N( W: O0 n4 x; _' K' v" q, Gend;
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2循环语句
% s7 d8 ?6 I9 z, { Q& ^. [6 o (1) from <statement sequence1>; v* m- t' `$ q
until <condition> loop
- f9 i+ o; v5 E9 s <statement sequence2>;7 x q# G0 _) e
end;
4 b; T5 W8 K4 W (2) while <condition> loop( Y3 f1 `+ b' z+ z7 q% B. q% [
<statement sequence1>;$ e( A7 S. ^% s. P0 f( b1 z
end;' k5 |6 C0 l0 L9 F' Z" o
(3) repeat * l3 Q) \, `# l$ g
<statement sequence1>;
0 y* N9 [; h# T+ |$ b* p0 s until <condition>;
% Z1 M/ P c. l (4) for <condition> to <condition> loop$ _8 M; `$ t; e; }
<statement sequence1>;8 V9 @9 {" ^4 R& C4 i2 Z1 _
next;
4 h6 {+ }* M, p: V) K3中断语句
; c) _3 R6 e* S1 a* W! O ~- I waituntil <condition> prio <integer expression>;
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. _- D: T9 \; W: k. m, T3 l以上为常用的函数！
- k: S; k$ V0 \# K0 @4 E还有很多，如有需要我把资料发到你邮箱里
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