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发表于 2012-11-13 08:48:12
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1判断语句8 g" v: i6 O# _( c4 P& V
if <condition> then
" k1 Z2 P8 a1 s3 [6 f; Y9 i <statement sequence1>;' Y0 m" x) [8 J9 S4 X
elseif <condition> then
f* N! V5 X E/ S1 W- W6 Y <statement sequence2>;
5 d4 N; K- M0 E3 i8 u, j7 O else
, Z2 H3 V( `) X <statement sequence3>;, N' y+ P3 Z- X$ f4 E* c" q
end;
3 r; _4 N" K! g' q; E" h如果分支比较多，用：7 G) U6 H1 k6 o
inspect <expression>' n; }" {& X3 \5 u$ e- u) b
when <constant_list> then
8 u) D! P- i2 Q" v4 K: l* } <statement sequence1>;
- Z0 `; l& ?% F3 v5 o% R- ~( C4 ] when <constant_list> then
1 X; ^2 z0 G$ j! {$ Q6 N <statement sequence2>;* Q* `; g( t7 j2 T" I' d" h
...
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<statement sequence3>;5 l+ j: x1 n4 Z- e% ~! ?& b! \# n& P
end;
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2循环语句0 B5 [- x; b2 S( d) M: O! a
(1) from <statement sequence1>; Y w/ N6 G- K0 q4 x
until <condition> loop
$ F3 @5 L* ?. U) U$ u: K, m <statement sequence2>;2 ]0 I4 P% T2 J2 Z! L
end;
9 ?; ^ z8 v( V( ?2 D F8 t (2) while <condition> loop
" j8 \# B' x/ i4 i8 S' Y' z# }. [ <statement sequence1>;+ Q& _3 w) V) y' t. o
end;
7 l( _2 }/ F- j( f (3) repeat
& n0 }% K( j3 r) S' b: r4 s) ? L <statement sequence1>;3 [! u2 f. w+ y( ~/ y
until <condition>;5 ?2 [, R' ]( e) e$ |+ v7 q4 h
(4) for <condition> to <condition> loop0 ^! j. m5 z; i7 E" J
<statement sequence1>;
+ q: H* r8 j k9 s next;
' b6 a) Y: K I& ]( k3中断语句 ^% d# ?: b. O& ~+ c( d
waituntil <condition> prio <integer expression>;6 y* {' e9 B$ [2 W' q& a- s
/ s( ?- s1 ]9 h4 G6 D" r% G/ c" R8 X7 l% k/ \- g
以上为常用的函数！
3 }% z/ s0 l5 U! _3 H还有很多，如有需要我把资料发到你邮箱里
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