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发表于 2012-11-13 08:48:12
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1判断语句
9 u7 { w: I7 u3 R5 w( U$ [# d if <condition> then2 A2 Q9 \1 j+ v- C
<statement sequence1>;1 H) o' t( ]- C6 z! }3 B
elseif <condition> then
7 Z4 [6 P& F/ ^- \ <statement sequence2>;* [" E- n7 L' }
else
3 z/ v- Z* U2 K8 } <statement sequence3>;
' Y# X: t0 Q* n9 H: H end;
" q5 a7 T7 L+ l1 Y; A# C如果分支比较多，用：0 A( E( b# G& k1 E6 N( ]4 Y6 O
inspect <expression>
* p# V! k4 M" k R, M when <constant_list> then
: A& y+ T' F- l" }8 e, Y" ? <statement sequence1>;2 }# @4 Q2 I) N: `& z$ t- I
when <constant_list> then
7 n" ]: l0 [9 ?# w5 T <statement sequence2>;2 G7 f% \# m* A, ]! h
...
( {5 Y1 V; r* w else
" i+ q2 y6 z- o" Q* _7 { <statement sequence3>;1 r) e1 C h6 S$ y/ @
end;$ o; {; `2 Z& \" K% | _: b
. S* p4 |8 c; ^# F6 h. Y" E2循环语句
7 m# t" t9 m) Z# f4 ` (1) from <statement sequence1>( |. I" g. z s/ E/ b% `# ]/ }) p
until <condition> loop
& p3 D: V0 G- E2 b" R% Z" |+ [, } <statement sequence2>;$ I* Q1 T/ v( h
end;1 |5 s8 m7 f: `6 r
(2) while <condition> loop
! ~$ F$ P- u1 r3 q6 V. E/ [ <statement sequence1>;
% y( U0 ~6 q2 ^, k9 I/ w! ~( Q end;
$ ]1 f5 T5 Q8 @& `7 | (3) repeat ) \3 g& `1 g9 c: X8 `5 H V; d- k9 q6 L
<statement sequence1>;
9 V' h. S6 O u) s1 p1 F until <condition>;0 [/ S1 y/ J. i3 B8 l A
(4) for <condition> to <condition> loop$ |3 L1 Y0 M: V6 G( |. V0 Q" T
<statement sequence1>;
+ X4 {+ N7 Q- I( m/ l next;* b& Z8 p- ~; A, Q& w
3中断语句
0 o: c) ^+ ?0 t l& r waituntil <condition> prio <integer expression>;
; ~. G( T1 ]- U, V$ x* K% ]8 F3 D5 P5 m6 C X
0 M9 j3 T' W5 z以上为常用的函数！, k; y$ \9 _" @( T5 Q" `9 m
还有很多，如有需要我把资料发到你邮箱里
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