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发表于 2012-11-13 08:48:12
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1判断语句& z; H0 ~6 X8 b$ T S9 _
if <condition> then
: R: ?# B$ g- _+ J. B7 x <statement sequence1>;' t a, S5 J: x ?, D! e
elseif <condition> then
) O; b+ N1 Y3 ]/ ?# ` <statement sequence2>;* e8 n9 u: V6 N6 X; r% L
else
: O6 Q7 N. ` O1 D' M4 [/ @ <statement sequence3>;
- L( d3 S5 w% i2 d" a6 o end;
; U A9 q3 k' \. e( i如果分支比较多，用：% t5 b! z1 {' Z
inspect <expression>( ]8 {$ I, Y, q+ E7 b6 ^- e
when <constant_list> then% ]1 c5 G3 P% j9 g8 k$ B2 \
<statement sequence1>;
5 v- k7 f; I2 Q when <constant_list> then
# P: p& z) n. j6 v+ L! E8 w* \ <statement sequence2>;
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else" [6 N$ i1 J1 C9 |5 Q
<statement sequence3>;3 u# F. t9 P$ d' n3 R5 M
end;) \& N( r, N" c3 Q" G: g; w* }
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(1) from <statement sequence1>
7 i1 t3 l E* l' e3 |) h until <condition> loop
! K) ^1 w8 { s) ~" v! y <statement sequence2>;' j X- ]! d$ ]
end;4 @+ e5 Y3 E2 J- I/ |
(2) while <condition> loop1 L, Q6 p2 x' k9 ?
<statement sequence1>;( y! x5 M! x: a$ t
end;
( \; m8 n) p4 i (3) repeat ~; ]( q$ _! q, h
<statement sequence1>;4 o1 _9 \) s0 z! k, Y9 _0 E! ?, i
until <condition>;
# n/ h) V1 t3 i1 H2 o% P2 O+ o# q (4) for <condition> to <condition> loop( s( a x/ F) N' I2 I/ _( g
<statement sequence1>;
4 |8 G5 U( d0 J next;( S! Q/ P: w4 W
3中断语句( q; k1 p! g+ h% W! x5 v$ p
waituntil <condition> prio <integer expression>; W3 [1 R) m& \1 }; X
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" v; ?5 J6 o! x2 }+ R$ D$ K0 X以上为常用的函数！
' g3 n8 h C2 K' V7 j9 d' a4 A还有很多，如有需要我把资料发到你邮箱里 1 K) g; R; u4 a4 W% t- L0 a H
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