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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
' o5 L Y$ n" e; j* | if <condition> then; b9 T9 c2 U! ]/ z' Q
<statement sequence1>;& i( Z5 j+ m. V; I5 J
elseif <condition> then6 V# C+ ]6 V: U
<statement sequence2>;2 x4 {4 O0 B/ s( K* M: E5 |
else
% J3 }9 R9 |) p+ g1 c7 q: m <statement sequence3>;/ y5 ~; a" h3 a
end;9 e8 K( _3 L0 X ^0 H) |
如果分支比较多，用：( v. z2 i( ~& H2 Q+ H3 X
inspect <expression>. O9 t/ R I+ x/ j Y5 { d
when <constant_list> then3 k1 Z& {7 ]. L! p/ e2 N& R
<statement sequence1>;
0 [, ]6 |6 n, S) f9 D- t3 ~ when <constant_list> then
1 t* Q# a# E" q' m <statement sequence2>;$ a' ^# m& v; U0 g8 R7 Q0 ?3 N! w
...) w9 n- o0 m5 z! j
else, j% [: a! ]/ Z. y/ i
<statement sequence3>;% h" s' j& g6 V# k
end;
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2循环语句* [6 G3 W% ` ^' d4 m+ V$ K
(1) from <statement sequence1># `* y# O" X3 N8 o6 A
until <condition> loop+ A" O' R* ?0 r7 [; R- T
<statement sequence2>;. \! L' b# }9 j$ n
end;
3 ~ z2 L5 K/ n% a* r (2) while <condition> loop
9 O5 D- X; F/ |8 T% k <statement sequence1>;
: j7 Y1 w0 G& ~; i# r end;3 k5 @1 K; @" K/ }
(3) repeat 3 N5 ^% s+ `3 x' l3 [( ?/ Y9 [
<statement sequence1>;
6 D" t6 k2 {" n7 j, n# b5 u( p until <condition>;
1 M! ^9 t! _* m8 f+ g: r (4) for <condition> to <condition> loop
; @3 P2 U Q+ \, y' f <statement sequence1>;0 n$ u5 {& @! E# {+ p9 F
next;* A! L9 W; p7 g [- ~/ v( P1 p
3中断语句
5 G$ u0 ]: C2 Z- z a waituntil <condition> prio <integer expression>;0 k/ c3 v8 ?9 e& u( I# D- C3 z# c
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以上为常用的函数！
0 Y. H8 x8 {2 a! z4 c0 ] ^还有很多，如有需要我把资料发到你邮箱里 2 f+ N' Y3 a+ a' f4 F. h) Q
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