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发表于 2012-11-13 08:48:12
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1判断语句; \- g9 ]4 }6 l0 P3 s, x- ^' @; W
if <condition> then4 w# O ?9 S* f' t
<statement sequence1>;
2 ^' s, R% H8 j elseif <condition> then/ J- {' d0 {: d- V1 { C2 W: w% k2 q
<statement sequence2>;! p8 H/ M/ J/ T3 g
else $ R" T- @. B7 ?2 T5 d9 P& K
<statement sequence3>;4 S7 k! N9 [- t4 F0 \- H
end;
2 H# W# J$ x+ D |如果分支比较多，用：
% j {: @7 Y: d) [4 B" Y inspect <expression>
, A+ a: x/ F6 I' p when <constant_list> then, y2 ^% u7 l: P' B
<statement sequence1>;7 \( {# P9 J. [: }+ N/ t. z6 z9 r
when <constant_list> then
/ v2 }. h( V2 v <statement sequence2>;
6 F! _ P6 s& R; ` ...
5 y4 @+ I* U& z% a$ W7 f, |* t+ g else
( q. b( t, }+ ?2 A# w <statement sequence3>;- E! a8 ]* ], v N4 ~
end;: ?6 T4 T0 Y' r6 K
9 U# T) r" \( b% q. M- M. R2循环语句
& A; ?' W) u: I9 A# @5 E8 o (1) from <statement sequence1>. M/ R, O! J+ s3 @: ]1 t6 F; c
until <condition> loop
! |6 w5 g% V3 |- \5 A+ b <statement sequence2>;6 n5 I8 Y3 R1 M1 O" @, O2 L
end;: c3 f+ X# y* }2 Y- A @8 y7 Q
(2) while <condition> loop5 t+ J, h' v5 v5 `$ }
<statement sequence1>;1 y3 O3 B1 i: m
end;
. y i. [* n6 E9 Z# G! s (3) repeat ' `% e8 }+ u; F: k; p/ G0 c7 @
<statement sequence1>;
0 o* F) T, |8 [% m7 v until <condition>;$ H" |5 W$ ~ r! C9 x+ i% }
(4) for <condition> to <condition> loop/ F6 }& p$ T6 D& ~2 l& F4 |5 o! G
<statement sequence1>;
1 {4 c5 ? q; ~8 C6 @ next;7 e: F6 b! z- U+ R1 H, ?
3中断语句
" r: D. I [+ f- J! }' D9 S waituntil <condition> prio <integer expression>;
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& ?. C0 E% M5 l% m
. C! x: u" T7 [% R! B' W. v以上为常用的函数！* [/ p* `/ ^; |, P
还有很多，如有需要我把资料发到你邮箱里
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