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发表于 2012-11-13 08:48:12
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1判断语句, G3 h; w$ V- k& A) Q7 f
if <condition> then2 N* m& T r! O. ~6 F0 f
<statement sequence1>;7 F' j4 Q" V2 `; X8 w! k- |! a
elseif <condition> then
3 k0 L8 J3 q; L) n, e <statement sequence2>;" T/ S( q% W9 M5 D* A, `
else " u: B! M: y* I; ]# {
<statement sequence3>;
3 \# i; @( `' B4 N end;
6 Q- i" z( I; C+ Q. v( Y" Y如果分支比较多，用：$ H9 Q/ O; o( p% m
inspect <expression>: a6 `% {. U' a9 O. L, B! k
when <constant_list> then7 U( A# t! T7 G# r4 S! U; a
<statement sequence1>;% Q3 d- x6 h7 E) k( Y* o
when <constant_list> then8 t) R1 d" f; K; h# |9 S! v# A
<statement sequence2>;
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<statement sequence3>;" J1 W) r( G! m: Y
end;
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2循环语句& I* G3 K# @. ~; C7 |
(1) from <statement sequence1>
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<statement sequence2>;$ Y5 ~' A M) G; I
end;
- B8 \) T* c6 L* R (2) while <condition> loop
& U4 F9 p& N/ d- C3 I# _ <statement sequence1>;/ f! I! \0 k( T# K
end;
% L2 |& T1 F0 Q; |1 G$ A5 E (3) repeat & }" y; |# K, W9 }* G' S
<statement sequence1>;
; \" y% m. \3 x( F) l! I; l+ K until <condition>;5 b1 p0 b" N) [8 s2 j
(4) for <condition> to <condition> loop
+ t5 R! v, H2 n! @ <statement sequence1>;
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3中断语句 \ R, V8 _ _( P5 ~( ~. U* e5 ^& L
waituntil <condition> prio <integer expression>;9 ^- }. A1 n. N! c0 N$ v
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, ~+ C% _( i& R/ Y j% Y6 W以上为常用的函数！
4 w' B: e5 M- u5 w还有很多，如有需要我把资料发到你邮箱里 0 j J7 |; @8 ~ m% y/ [
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