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发表于 2012-11-13 08:48:12
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1判断语句8 m$ E; X0 C1 x% j
if <condition> then8 @! E$ x& Q" z0 b, J4 f/ z& }! `
<statement sequence1>;
; i2 _0 I" `. _ N4 R+ E: l, v elseif <condition> then4 z# C* Q' a# y! b% a
<statement sequence2>;
A( R: U+ c1 N! { else
4 n& {. F3 l5 d! [. F! e& k <statement sequence3>;: ?/ _& I! l" n& a1 _+ }* o
end;
* N9 h. w$ L9 ~9 p0 P$ k如果分支比较多，用：
7 `! H1 ^% {5 }1 t7 X inspect <expression>1 R) l2 F3 F" l' Y* b+ N7 Z
when <constant_list> then
6 _6 ?0 c+ x! a5 } <statement sequence1>;' ]0 }( k6 P3 @
when <constant_list> then
; g4 \2 t4 U4 p9 Q) @* ?0 t9 C <statement sequence2>;
; Q8 q& o0 N; I4 w" g ...
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<statement sequence3>;
3 I2 ~$ g4 _: O/ z/ u$ {7 `6 H7 Yend;
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( }9 l M! t: [2 ^1 H" b" w/ P' ?/ F2循环语句1 z% F4 |; ^+ y! \, ^ m
(1) from <statement sequence1>4 M& J7 ?/ a, V( p& M, ? K- `/ a; m
until <condition> loop
% X; A4 b% y2 K <statement sequence2>;
8 j3 E) M1 j, S) a# p0 X end;
$ g( R4 E6 q+ G5 \$ s (2) while <condition> loop' J/ A# T) ~2 {* Y
<statement sequence1>;
8 }) S8 o! j1 L/ D end;
4 \" C3 t0 O. Y2 {2 \! l (3) repeat
- B8 \( n% O% n8 d+ ], B; _ D, s <statement sequence1>;
6 ^, M2 m7 o5 n6 i9 e until <condition>;
- x1 c' H. {% [* Z( ]0 M (4) for <condition> to <condition> loop7 V- P+ k, |: ^0 i. R
<statement sequence1>;+ u* V, _( C! r' P
next;0 y/ S c! ^: C9 @/ q) P+ T+ N
3中断语句
$ s: h* c4 \7 d waituntil <condition> prio <integer expression>;
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1 @% x6 ^/ a( j$ \以上为常用的函数！' w( c( e% I+ g: w4 F( y# Q- q
还有很多，如有需要我把资料发到你邮箱里
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