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发表于 2012-11-13 08:48:12
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1判断语句) G9 p" B1 n4 v8 V: R# h; c+ T
if <condition> then
4 j. h( B6 T0 i3 q0 j/ v/ K$ j <statement sequence1>;
. |* e# g( D7 V7 g! F. M4 @ elseif <condition> then7 g D% x( w8 _
<statement sequence2>;
, W! z: r: ]4 x% w0 H' Y8 ]: w# I else
: f) J# g6 t) ]) A% i <statement sequence3>;" b7 Y" E6 v" I# I f6 ~
end;$ M9 ~8 ~8 B3 ~5 _" g
如果分支比较多，用：0 W/ P2 m! [# R* d
inspect <expression>( u. B3 X, B- [( d, c' S' z4 h
when <constant_list> then* {* j/ |! I4 _& O/ q6 q+ t
<statement sequence1>; \% ~% u. s* N. L
when <constant_list> then( K9 q" {9 j, P2 E! n3 c
<statement sequence2>;
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else! V: s* k% i; K {
<statement sequence3>;
) g1 }+ r7 u3 t, P9 u8 D, i% J, Qend;
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e2 O b( V! t4 X* X/ q2循环语句
0 h- f+ F; X' `) l$ u (1) from <statement sequence1>
8 \! s m" t" Y6 {3 c- u3 _7 x until <condition> loop
( K2 ]- @ Q0 x7 e4 N <statement sequence2>;3 @. v7 @8 ?2 Z* J9 C9 ^
end;
% h. n7 |: d* y (2) while <condition> loop
# n) A4 G3 i j H; o4 o2 m( h5 [ <statement sequence1>;8 _7 \0 ^( Q4 i6 r% k
end;# J( c+ T2 P5 }6 s/ A2 S
(3) repeat
' O' z1 l" ]. g) J8 L, z* M <statement sequence1>;
% X4 Q5 |' F) \1 C9 r- ^ until <condition>;
+ D) u! ?) d. k (4) for <condition> to <condition> loop
4 s- z% E. k5 n' q( g% b <statement sequence1>;' d+ q& ^7 w8 D6 k5 ]
next;
W& a: z8 U8 ~5 [9 x3中断语句0 A% M# B# S H- {2 E4 F: N
waituntil <condition> prio <integer expression>;; e. f2 j' [4 X: _$ { ?
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% O4 B5 Q8 b% _* ^' J7 B7 y- s以上为常用的函数！
Z8 w9 X4 O' ~( c还有很多，如有需要我把资料发到你邮箱里
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