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发表于 2012-11-13 08:48:12
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1判断语句4 y$ G( t. G9 L8 Z6 k) F& K- {
if <condition> then
$ t6 i1 u- ` A <statement sequence1>;/ e% ]+ O- Q0 o# }5 v9 Q
elseif <condition> then
, A2 _5 @6 i. n) v/ G, S+ B. r <statement sequence2>;1 D( b9 r3 L2 v; p+ [; x
else 4 t$ y, o3 x/ G8 l l
<statement sequence3>;
+ H8 G% ^; `% e6 H9 [ end;
, s4 |: a4 j: V. V. s \如果分支比较多，用：/ Z% ?9 I a( p5 I' B3 V5 g
inspect <expression>: M" Q5 ]- s- X* p8 n1 Z
when <constant_list> then
2 P# f+ b3 i9 t8 ~+ E: ? <statement sequence1>;) Q6 d: R* Z5 A
when <constant_list> then7 c9 H4 t# G8 f' n
<statement sequence2>;
$ q! H4 C9 M* A! u6 K) b# h ...
& {% i" i& a; M1 I4 { else
) [% ~, ^$ b" l* Q6 q <statement sequence3>;
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2循环语句
( x9 L4 M/ Y* U+ u& n (1) from <statement sequence1>1 F* Q2 P3 r D B, V3 z/ L" s1 i
until <condition> loop
8 B, p) W/ N) L' m <statement sequence2>;
+ W8 i( p. o S+ @ end;) D$ ^% ~' N6 |- t2 W
(2) while <condition> loop |! Z3 h8 y' s- I" C! c3 b9 r4 I- k
<statement sequence1>;7 _" x: a: T' Y' ?( y
end;
3 i0 L9 l. D! P* }) V (3) repeat 5 @2 D* h9 `0 U, a, p5 V" N: o' b
<statement sequence1>;& z$ }4 m+ j/ I( E
until <condition>;4 I# C0 k; U$ c( a
(4) for <condition> to <condition> loop
/ O2 B* H. a6 f( u5 a5 [ <statement sequence1>;" B6 W: n8 {+ L
next;
u3 M+ \0 m: r/ b. h# x* D3中断语句
* v. P. r+ r: r( {/ L* W7 Y# S waituntil <condition> prio <integer expression>;
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! \! Z4 n4 o9 J: I9 O- |- x! N以上为常用的函数！
. w4 ~' B# F* H+ _还有很多，如有需要我把资料发到你邮箱里
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