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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
8 E6 Q% a0 p ]0 B* g if <condition> then8 h1 M/ @& s: e" @, `
<statement sequence1>;6 v* E8 L: ~$ B" X2 M
elseif <condition> then" T# I ^0 Y0 A0 x/ V6 Z. U
<statement sequence2>;& O0 g0 \, p& g3 f- w; { \7 J- Q* y
else
+ \7 L6 d( S' m3 z <statement sequence3>;
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如果分支比较多，用：* f2 m* K, }3 a4 Q* z
inspect <expression>- C7 A% V# m( s3 R
when <constant_list> then
, C( u1 j: _) J4 a <statement sequence1>;
1 U* Y8 q/ w1 I7 R c, A when <constant_list> then2 f: R, c, S. A
<statement sequence2>;0 `% y7 a9 _8 \' P2 ?) K# f
...2 t( f$ e6 Z! c" L
else
$ J. Q7 G2 d; n( d7 Q <statement sequence3>;" N0 I, W3 l& L5 N0 x, E
end;
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$ Y8 e: I1 n- c4 U# ?2循环语句7 [0 C- M' Y6 Q/ t
(1) from <statement sequence1>/ j' Y0 q5 b, q
until <condition> loop) q U! N; t4 I7 _$ I5 K) \
<statement sequence2>;
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(2) while <condition> loop/ k/ I, E4 q/ u4 s2 @1 F
<statement sequence1>;+ V# O+ o* J9 W, ~! X( X% M8 l
end;
' e' M& ]. X4 X8 G( [# u (3) repeat 7 a% C8 m6 }2 g; i
<statement sequence1>;9 m. B* [, w, ]; q& y4 D+ X
until <condition>;2 U/ U, e- m7 Q$ U) P
(4) for <condition> to <condition> loop3 n- K$ U1 v; I; z. |1 S+ ]- m: K
<statement sequence1>;
" ^3 c/ w# o$ h. h# W next;/ E, l; |5 T4 u' ?: Q* d$ C" t
3中断语句
; r ?; s; ~: X7 O/ { waituntil <condition> prio <integer expression>;
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* g( k; c- ]; O9 f以上为常用的函数！+ X8 {0 N0 j8 D+ o) e) [. [0 y
还有很多，如有需要我把资料发到你邮箱里 6 U! N* s ^# ?- z. p5 F3 x7 c( d
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