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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句; O, ?4 @6 ]/ ^9 w9 ?' I
if <condition> then
" x6 I- r8 ]- P9 w6 ?5 t <statement sequence1>;& \+ j8 F0 a, o2 p8 N9 `& e
elseif <condition> then
, R3 q2 W4 }8 X* y <statement sequence2>;
+ ^( K( h7 E% c5 T, F else
; N1 D- D( F2 y2 n& _ <statement sequence3>;0 Q6 Q- u2 A8 r8 w6 L! O
end;1 _0 p' d0 w, W N, x
如果分支比较多，用：6 \; f5 Z: T+ O6 x5 u/ Q
inspect <expression>
3 s5 B+ E$ g# _; X6 z when <constant_list> then% u- R+ H! e& a; o0 X5 A9 a
<statement sequence1>;& d! ?" A7 {: [$ _4 x8 q
when <constant_list> then
, C6 h! _/ e+ p, |) F. d <statement sequence2>;
/ B7 Z( k l# Z, P ...
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<statement sequence3>;
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2循环语句
, `6 t4 U. R8 |0 K3 U* b( b (1) from <statement sequence1>
5 x! U, Y7 d3 c$ `. L2 ^4 } until <condition> loop M8 I6 V0 ^' l* T0 U2 _
<statement sequence2>;
# L' e+ {% x; `/ b& T& ^$ ~& x" n end;
; m+ z$ ^7 t8 }' p+ g (2) while <condition> loop$ z4 _! n' B" ?+ w+ Q' }( D
<statement sequence1>;% R6 ?3 D# u: @, v3 U
end;6 B2 ]3 [/ @# M8 `& |
(3) repeat ( v8 u8 j6 a) s% @2 W$ K4 n$ k
<statement sequence1>;- T$ x3 S) H: ]( K5 L. } C* n3 Q# {1 E
until <condition>;8 h: @5 O' @7 } |! f% I4 y8 ?
(4) for <condition> to <condition> loop' X2 [8 k9 B. N: `+ E5 P; T! r
<statement sequence1>;" D1 m3 n( G; I& Y0 L+ O) v4 l9 K- s
next; S; K# V) D" J4 ]: M, Q, N7 y9 Q
3中断语句' G6 G/ y: R$ n0 V, B
waituntil <condition> prio <integer expression>;- a: v7 v' X8 N
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# p* C6 W4 Q! J L以上为常用的函数！
! Q7 W d7 h1 U( f" {还有很多，如有需要我把资料发到你邮箱里
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