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发表于 2012-11-13 08:48:12
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1判断语句
" @8 R) o: v& y! t! z. ` if <condition> then
' c$ }3 u' b9 g8 \9 R+ d) d# q <statement sequence1>;/ ?# t5 T- F% E9 T$ g
elseif <condition> then
! v% I: y' S; t3 S: n8 f/ X9 v <statement sequence2>;
# ]4 F, r8 z: s1 o else 8 |# ]/ u- k9 l8 I9 |: i
<statement sequence3>;
" Q G: X) y' d! L8 _ end;8 a, {% f1 B$ I
如果分支比较多，用：" @7 R) J# I# @
inspect <expression>/ h7 N3 y9 O T" n3 |4 r
when <constant_list> then3 W5 b+ ^( O6 U+ J' c
<statement sequence1>;
1 h+ ?( R- e% [3 V. `5 V when <constant_list> then$ y6 D4 e% V4 o; F- J, o# p
<statement sequence2>;: Y0 F( i C- _; T- N7 a* r1 T
...
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<statement sequence3>;
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2循环语句% z' v+ x0 J4 ]" M
(1) from <statement sequence1>, N; J6 O7 m7 z* H
until <condition> loop
& e9 w' }4 M3 _ <statement sequence2>;
6 o. b6 i9 L! G end;
( t+ O' c0 K# |3 W (2) while <condition> loop: t" @0 o/ H, Y: x* a9 G# o
<statement sequence1>;
* a8 r; L j7 G; b( Y- B end;
0 F! ?9 C3 f: s$ U (3) repeat
2 d( k# I6 l- A5 k1 A <statement sequence1>;) F z6 F. t3 i, e( ^
until <condition>;1 v5 I' B/ U$ j `$ b
(4) for <condition> to <condition> loop3 B1 n" J% S, p0 S# o6 @
<statement sequence1>;( K- ?6 H2 W3 K6 N7 T- }
next;
- ?2 i% b/ V+ @! C8 {0 A' {3中断语句. }, p% @# c) s' v
waituntil <condition> prio <integer expression>;0 x' O; V9 q: U6 h& j+ i. H" V% F
+ z3 f* d# s S0 ]
: U! p! Y, G/ ^3 B' D3 S& E, D以上为常用的函数！# X4 ~7 R( h$ z
还有很多，如有需要我把资料发到你邮箱里
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