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发表于 2012-11-13 08:48:12
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1判断语句
- b9 g7 z) ?: y6 r if <condition> then
F" X0 S& _' p. b <statement sequence1>;( L S$ W. }0 z3 m. h- x# M
elseif <condition> then' f; ?4 J, w# E& F. g
<statement sequence2>;
- }0 c. _3 G% i* E5 t, C else ' t3 g+ P) R) r) V+ b* X) d2 a
<statement sequence3>;
* y: d# L. Q0 l0 ], A end;
) n' n2 T3 h: G' d% n如果分支比较多，用：
- q, ^1 G7 H) E2 C( E inspect <expression>+ `5 y6 s3 @# N4 q
when <constant_list> then
9 i- L7 {# K+ Y4 V <statement sequence1>;
# g" X+ c& F) I2 k" S/ D when <constant_list> then3 o3 J+ P1 j+ j E1 g: \3 s5 N
<statement sequence2>;
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else
2 m" K) v3 I4 P7 I; P- ~ <statement sequence3>;) \% J+ `, q( I0 x% o
end;
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2循环语句$ P5 L9 F6 i6 H1 l0 q
(1) from <statement sequence1>
- F4 o- z/ s2 Y! q/ W+ I until <condition> loop
" ~: p& Y6 n8 Q; z) R <statement sequence2>;
' k& M- i, w) l end;
- P4 t" U3 a1 x: q2 o% V9 P b; o (2) while <condition> loop
2 o* S( c- k* _8 N1 |2 E$ ]$ T: S <statement sequence1>;
2 u! J* {, p3 h% H/ [* s end;
# `; E+ `2 H- w! e4 } (3) repeat
) l! p/ v; ~( V <statement sequence1>;1 c- n# L- V5 F1 N! X
until <condition>;
4 y1 [$ H a0 t" e( H& R% o K5 ^4 l* ] (4) for <condition> to <condition> loop& V! }. E! d! n+ J+ f) H- y1 X% K
<statement sequence1>;. x# o0 X; y- P7 Z5 E* J0 C
next;6 h' G$ Q* ]% ~. Z" o7 C: L
3中断语句: g5 b6 j% I2 v. u4 c
waituntil <condition> prio <integer expression>;' h0 i7 L! g& M: d5 O: V
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以上为常用的函数！2 K# k3 ]9 W; s6 ?# r/ ~
还有很多，如有需要我把资料发到你邮箱里
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