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发表于 2012-11-13 08:48:12
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1判断语句
* {0 t$ t5 o: ~1 F$ y9 k. } if <condition> then
0 E: N! \9 e [" e2 I, i O6 ~ <statement sequence1>;
; G0 n8 @2 ~$ U" F' Z& r elseif <condition> then( Z- L" n. Q3 v" c6 W, Y( J
<statement sequence2>;4 A( A( `. J) ]+ Q
else
( ?% G) }4 f. f7 `0 N& Y <statement sequence3>;) P% |& q: m9 d; a- o
end;8 _/ ~2 |1 l# o* B
如果分支比较多，用：
# Q9 N+ W1 g% g) m: ?2 v' w8 y inspect <expression>4 k; h- S2 N/ ?" t2 J
when <constant_list> then b. T' u$ ^4 W9 E3 z) d7 I
<statement sequence1>;
7 U0 ^0 |9 S: ~8 c0 e when <constant_list> then
$ F2 R- W$ k: z <statement sequence2>;: f$ B+ `4 Z% r' h" a
...
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<statement sequence3>;0 m& h! l F4 {0 {8 Y
end;
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2循环语句+ \+ F8 |3 U$ m: z. Z. F
(1) from <statement sequence1>
5 C* W: w& q" i3 A) V5 g9 m W8 ? until <condition> loop
0 Z4 T$ ] ?2 b <statement sequence2>;
3 _5 f$ L* |6 g/ W) f* ` end;3 i3 W4 a+ z J
(2) while <condition> loop
+ V0 W& Z" J+ J% L/ P H; Q <statement sequence1>;: _$ R" ~4 s: o* [& k
end;7 b. S, L4 J. Q* Q: o; n
(3) repeat 4 |) P3 s$ u* e4 g
<statement sequence1>;
; w+ L' C7 t/ r' }+ k: @3 d. Y until <condition>;
' M# u% x1 r6 A2 F( h* u (4) for <condition> to <condition> loop' u# Z i5 H4 s# x1 v$ g+ O+ x5 G$ p
<statement sequence1>;
3 z7 O: O/ i8 n" M+ G: ]+ I% F/ K next;
( Z$ J; h3 `7 [) `8 {" h3中断语句
V' u. n) `+ v5 e/ G2 x' Q waituntil <condition> prio <integer expression>;
! D' I" _! o3 J6 `& V0 R) O! B: h- V. A3 \
- V% e: R. E5 |6 ]以上为常用的函数！
8 U) v! O3 ]1 K1 n, h, s+ i还有很多，如有需要我把资料发到你邮箱里
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