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发表于 2012-11-13 08:48:12
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1判断语句
& ?) X4 k$ M. l* V2 l# U. B if <condition> then
F3 f+ c" d8 [5 l# B <statement sequence1>;$ N$ @( Y& |/ ^, k* ?" t- B3 Q
elseif <condition> then9 Z4 Z g; w2 q# f O8 K' n/ ?
<statement sequence2>;7 f& k3 D1 w$ p+ J
else
7 u- }: S: ~8 q' {& b: H+ A' H <statement sequence3>;! Y) q m) J, B0 n9 T
end;; A* N; o3 {, Z- R. h( }
如果分支比较多，用：
' _0 G$ [& K7 S) a) K) A' r) v) I inspect <expression>+ Y) v" u2 I. w2 l
when <constant_list> then% H) @* G Q! o' g! m3 u
<statement sequence1>;2 c9 _8 l x+ O% ?
when <constant_list> then8 ]$ W( T" y, O( S1 ~1 j/ N
<statement sequence2>;
1 X" E5 V- d3 b( ~% S0 Q+ w# C- } E, b ... v2 n8 \, V% x R3 r J }6 G
else
* \( I) r8 V% ] <statement sequence3>;
. P0 T9 i/ c3 f% i b O( ~% h! jend;
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( F% S) L: K3 M2循环语句
; G3 q$ e8 g$ \3 r& t1 X6 @' e% a (1) from <statement sequence1>
: {( x# z, Z; F: D) m until <condition> loop: }$ c: I- V. h. R
<statement sequence2>; F/ M& d. R: _% z, s
end;
4 Y& \( \6 e" Z& J. T, h (2) while <condition> loop, \# ^* _/ R8 M5 Y
<statement sequence1>;! A. |. o0 J! y6 J- r4 e
end;) m* K) {- F$ E3 u6 ?
(3) repeat
& i/ Z+ P# k( T2 a! L <statement sequence1>;
2 u1 V: L. B! r7 w/ z% k3 j+ u$ K1 L until <condition>;
/ x; k# m: P/ o0 a# o& ? (4) for <condition> to <condition> loop0 \3 h0 ~$ N& d& g
<statement sequence1>;
9 n9 N4 p' E. d& X1 @ next;
% _$ l9 N- O' v4 W# Z6 W+ ^, E7 w+ j3中断语句# f6 f- E: H1 w6 x9 n) [+ [
waituntil <condition> prio <integer expression>;
. Z5 o( G }% P% x/ b
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以上为常用的函数！
% d$ ^' b4 y1 u# P% ?1 v0 |" h) R还有很多，如有需要我把资料发到你邮箱里 3 G8 M2 n' |; v( g3 V. D
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