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发表于 2012-11-13 08:48:12
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1判断语句& @3 F, q4 P$ j' Y X+ r# f0 r
if <condition> then/ _, M& p) }/ L' e
<statement sequence1>;
% {% G3 \6 S3 x5 i9 F9 J y elseif <condition> then" j4 y& Q" o( x* O* q
<statement sequence2>;
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<statement sequence3>;( s) @6 W: K' I; |" F- t) P6 @5 Q5 @
end;
2 m+ R- J4 L+ j3 ]& @/ W如果分支比较多，用：1 \! h) R! e/ u! W% n/ ~; S
inspect <expression>- E- J( D* ~4 C" x: L, m! V* z
when <constant_list> then* c" l3 Q" p/ v. P
<statement sequence1>;
|% J; g' r4 \, y$ ~ when <constant_list> then
- h4 Y0 Y: ]% X" U: U, } <statement sequence2>;0 n/ k1 `' W2 V- P
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else5 t% [" ?4 z6 ?& K1 ]+ S; W/ K
<statement sequence3>;6 Y2 u/ d$ w* ] U0 P
end;
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( [0 c( ~9 m3 Y. k) ~: D) Q2循环语句2 b; E/ \* \/ y0 R. n& M- u9 f1 O: W
(1) from <statement sequence1>
5 L8 ?4 p2 Q/ `0 |0 ^ until <condition> loop, o# U( q6 t" G9 x
<statement sequence2>;
9 V3 _, h$ ~- P8 N end;. l/ i" U1 R T; C
(2) while <condition> loop/ V* ~! p) ^8 \$ J6 O
<statement sequence1>;. x4 X- N3 m( l: X: r
end;8 N* G7 v+ \2 H/ n* |$ \$ X8 e
(3) repeat 5 j; x) n. B4 b) B' d, O$ d- N
<statement sequence1>;
3 e K' {! Q; o# Z+ k/ F until <condition>;' E7 r3 _$ s1 Z8 D* |
(4) for <condition> to <condition> loop4 {! z! A! K( r% N
<statement sequence1>;6 q2 s- y* i4 i1 s" ]. c; e+ D$ e
next;
9 z" U% Y k g+ L3中断语句
" ]7 F1 b$ w4 q waituntil <condition> prio <integer expression>; r' }( _, o( b" f
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l" I' H1 ^: f5 r; A5 c' D& c7 x以上为常用的函数！1 M3 v% C7 t+ l7 ]+ S$ a( H2 U
还有很多，如有需要我把资料发到你邮箱里
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