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发表于 2012-11-13 08:48:12
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1判断语句
( h" w- a, P6 D) C; V2 V, `* C7 J if <condition> then
3 H+ }/ I& M& q- Q. X <statement sequence1>;
/ O$ B' W# V9 E elseif <condition> then8 x5 D0 }% K. a; |/ R
<statement sequence2>;2 p' a0 N6 e5 [: C* w5 b
else * a1 U3 E1 C! z5 X! s- N3 h
<statement sequence3>;/ U) s* e6 L: a: ]
end;+ v3 q: |2 E) q$ }8 j0 t; R0 ]7 @( V+ y1 ~
如果分支比较多，用：3 {# F/ D- K+ d" _6 n
inspect <expression>7 V' ?: h }3 |" x% J: T
when <constant_list> then7 @4 j7 j- u$ [( g6 G- v, G
<statement sequence1>;) `3 f8 [; C" ?
when <constant_list> then$ Z7 L2 V9 q8 _+ p1 a4 G9 K- a$ q
<statement sequence2>;
( G v* |0 Z) n2 c ...
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<statement sequence3>;
: [6 F% |: w/ o4 [* l7 t6 I2 V7 `end;
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0 }+ R! `% l1 a6 E2循环语句# p8 R. v+ A6 A- D' W
(1) from <statement sequence1>
; K0 `3 x9 \- d4 M0 C j) E5 o until <condition> loop
6 A1 O7 s$ M" u q3 m <statement sequence2>;- S8 b* J( x3 `6 Y
end;
' w: q7 W& Z, ?+ _9 } (2) while <condition> loop
& U$ U5 l, K6 y( B5 @: A% | <statement sequence1>;
q2 N& S8 Z6 u( U1 p8 d } end;3 l9 F! I( a1 [, j
(3) repeat
( m4 E! y( N8 w <statement sequence1>;
' ]. r4 R9 J; R until <condition>;
, i# O3 n, }% u' @ (4) for <condition> to <condition> loop
! }* W4 a0 p, [2 P: l' e4 I <statement sequence1>; U2 }2 ]: |/ H* ]' z+ [. i
next;4 L9 L$ Z# N0 E. a8 e8 h( I
3中断语句
. E; n5 H4 \' M waituntil <condition> prio <integer expression>;
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以上为常用的函数！- G" d1 X$ \! _/ D7 I( E
还有很多，如有需要我把资料发到你邮箱里
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