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发表于 2012-11-13 08:48:12
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1判断语句8 x" Z; y1 l6 i
if <condition> then; K( v# ?# G1 G- }, [
<statement sequence1>;
: Z- E$ z" r8 @ elseif <condition> then
- h) m$ C! _/ \2 _4 F, O1 X [ <statement sequence2>;% `5 B5 g$ O3 u4 G! m
else
+ A2 E# X/ i6 E5 m, X5 o% h" {. z) T <statement sequence3>;4 j d! Y6 k5 M. I3 C3 W
end;
4 `- C1 r; n3 k$ G' n, _如果分支比较多，用：9 E1 s& x' {+ ~- r; _" d
inspect <expression>6 L# V! i6 Y! c6 ]0 D
when <constant_list> then
' }5 P' K5 o J Z <statement sequence1>;4 j2 ?! A# ^& M
when <constant_list> then5 ]2 c3 _. Q. c3 T1 X9 ^
<statement sequence2>;$ y2 a0 Y9 f: {7 t; B9 ~
...
: p9 Q& N9 {# |% _& [5 |% U1 U [ else
; t* f, V( U: w6 `, b/ {2 x5 L <statement sequence3>;
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0 f" A/ U2 j6 G2 `2循环语句
7 @. M& P8 G. _, H (1) from <statement sequence1>) K0 m6 [' ~) i% L# U, D" k; D
until <condition> loop
4 d3 k* C3 g/ I) ]/ ^% ~! U4 z <statement sequence2>;
* i' _" @& o, y4 x/ \8 r$ Z) A9 [ end;
4 Q E9 y7 p3 ]2 e( N8 ? (2) while <condition> loop
( J- I N2 g# w, K6 G e <statement sequence1>;# c1 F* a" U" A* g: O# g- _
end;) ]6 b6 u2 K, X0 T* c
(3) repeat
7 ? y1 W6 l: n) e. A. f <statement sequence1>;& h+ `$ t) V% l9 t- Z/ R8 M
until <condition>;
9 N9 n" ~) O n/ d' c7 y2 O6 G (4) for <condition> to <condition> loop
+ y* N4 y* D# n <statement sequence1>;
9 h8 H1 x: f) r* V C* J next;
$ w V! d8 I9 d& S6 d. Y3中断语句
! [$ V' q; N7 p$ M# h waituntil <condition> prio <integer expression>;
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以上为常用的函数！
: e& X$ n+ F. T, W8 m还有很多，如有需要我把资料发到你邮箱里
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