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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
2 K8 Q4 n8 c% C5 ] if <condition> then
* W5 W1 q$ R% _2 P5 u% c2 d <statement sequence1>;
+ }' D' p+ u; Z- D elseif <condition> then# X3 |9 y0 p4 D6 Q7 C+ H- [5 o' a! M
<statement sequence2>;2 x. c# P$ Q/ y
else
0 E+ e* g) m) r1 i0 g7 q <statement sequence3>;8 Q, ~* W7 b+ s' z
end;
- S' s" r2 K& M" F5 v7 _- _如果分支比较多，用：
* G! ^1 ~0 B; w! b1 | inspect <expression>9 G0 a( _4 z' A
when <constant_list> then
' L1 s6 N$ y& K0 e' c! h <statement sequence1>;
2 v, }7 N- R$ U6 L2 A' ^! u when <constant_list> then
" M/ W* b5 Z \9 |! d( H# \, n <statement sequence2>;
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else
% Q H! |& |+ {0 _; S" v <statement sequence3>;
+ \3 q9 K! J6 ^! L/ L& S! r, jend; ]0 ~/ N1 j( w: ~
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2循环语句
% k" @: ^) p3 M% u5 f1 k (1) from <statement sequence1>; X; j9 K" U7 K2 U X# U- G
until <condition> loop
5 i# F: w$ c7 C0 n, v <statement sequence2>;! o! [0 j& x# L
end;: c& U/ g7 L5 Q" i4 M( _
(2) while <condition> loop
' Q' J' k9 x9 u& L <statement sequence1>;
5 P. F0 l/ X5 {# j2 m# w end;' e: K, Q' c! H/ O
(3) repeat
1 D8 m5 B0 \0 s. e y <statement sequence1>;% E7 ?3 m; V) @# O ~$ f" f
until <condition>;
- j R9 L& U b7 d8 t4 I (4) for <condition> to <condition> loop8 H/ t" s* k- z6 K) `. M/ t
<statement sequence1>;" |0 c) X4 k9 M3 w& G, p/ F
next; K# D0 a; R2 @
3中断语句
( z# r! O) O: U9 t. s waituntil <condition> prio <integer expression>;
( b* R5 n' ?; J$ M" ]
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' l$ B2 \+ ?: S1 A以上为常用的函数！
% C4 G+ O. H, o( @6 I' W还有很多，如有需要我把资料发到你邮箱里
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