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发表于 2012-11-13 08:48:12
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1判断语句) C5 Z9 m( s+ ^- e, H. f+ Z8 c
if <condition> then5 h9 T/ E5 p" o* `; Y
<statement sequence1>;. ? {% P5 O& r5 L8 j
elseif <condition> then
: `: P+ j. \7 { t <statement sequence2>;
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<statement sequence3>;
$ T P& ]! T; F) j# _, E end;
& Y2 a1 H2 ~/ ]+ r& L/ D6 r如果分支比较多，用：
, R" X% z3 I9 u5 d5 \' M; d inspect <expression>2 m1 @ X7 [7 V p# o, P
when <constant_list> then
4 d9 U7 G% w H" F+ t9 t. X1 v <statement sequence1>;
/ A8 y$ v4 V& ]2 z9 T/ t$ w; m when <constant_list> then
5 L8 `0 O& J m2 t0 P& X <statement sequence2>;9 j( K2 B1 \% A% ^3 C% l( T5 @/ n
...
# v3 L" i3 G2 c! F0 S& a else
) P3 _6 E" o- g0 {$ ? <statement sequence3>;
/ m, T6 u; v7 U; x$ w8 l7 qend;9 x" P# Z2 ]& c' L- v# p8 U
; Y% ?* c2 z# Y% [$ T1 F8 f; t2循环语句
3 A O/ I% x+ D& a# h (1) from <statement sequence1>
# I4 k4 r7 ~% P/ j, b# Z until <condition> loop$ ~# t& O" a( |, t, t
<statement sequence2>;
! H* F6 E8 P0 M/ k/ ^+ x" d9 ]$ B- V end;
( P3 y* i1 r- y5 J j! m (2) while <condition> loop0 n( @# o4 d# q. A+ e+ N
<statement sequence1>;0 j; n' `* Z$ {! ?8 Y1 i
end;
7 }- a$ W3 z8 {6 {- b2 u (3) repeat ) x" d% `* l) l
<statement sequence1>;% l8 k# D3 H+ f5 ?- f& C/ Z
until <condition>;! V8 F7 R. p& ~; L& }; K1 O
(4) for <condition> to <condition> loop
9 m* q6 H9 |+ t- }0 L7 o5 r+ j <statement sequence1>;
- V" K' L& Z7 e" k7 x next;* r' v! a; x0 }7 J6 U
3中断语句0 z1 H9 Y, P* j
waituntil <condition> prio <integer expression>;
f, Z G$ ]! y
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以上为常用的函数！
7 X* R0 _1 W8 x. z: O( ?- T) F b还有很多，如有需要我把资料发到你邮箱里
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