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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
% d. T A* S1 P5 m9 r0 D if <condition> then: l0 V3 w! X) l5 G6 ~
<statement sequence1>;5 i6 H4 G0 _. T2 _# S) ^ ?: v
elseif <condition> then
$ d/ E+ j. I3 @$ s <statement sequence2>;# Y8 v, T+ l* w* i
else
- n$ Q s6 b5 w% G" \- K" T8 Z3 \ <statement sequence3>;% m& h. i4 }. n' M$ ^
end;
' g/ @6 g. a: b& O如果分支比较多，用：
" U$ T! \* C% V) s! ^7 o0 k inspect <expression>& [& X2 O) d0 q; c
when <constant_list> then
# _) N- |: @) C% v) x <statement sequence1>;
: a- U0 v M3 w( A5 Y# U6 k2 D when <constant_list> then
0 S& H5 [; [' ~' u6 z' K <statement sequence2>;6 w5 d0 B0 F# H- T$ ^, f, X7 I! I+ v
...6 C3 I, f# G+ r" ?& O! m# s5 w* G
else. s+ F2 W+ r x: Z6 F# V8 D
<statement sequence3>;
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2循环语句 w. [, Q" ?2 x) U
(1) from <statement sequence1>' {$ A: |7 T9 I9 b; O' G
until <condition> loop. s5 p1 e9 ~6 c" F% b9 O
<statement sequence2>;( Y3 {! B9 D" L( R; H1 c( b N/ w
end;+ N+ s0 a- W# `4 Q8 n
(2) while <condition> loop- P1 u& b4 t' t1 J9 h2 }" f+ l$ l
<statement sequence1>;$ \! L$ |! P& U5 q6 ~" g
end;
) L! m" O0 T B. k! P (3) repeat
) j2 i$ @! e% b1 X p <statement sequence1>;. I7 Z2 N- \% z2 C- Q0 E# f+ l1 B
until <condition>; m L! f1 x! T; {$ h
(4) for <condition> to <condition> loop: L: R. n1 L. H
<statement sequence1>;
7 M9 h+ B9 w8 a; } next;
, S/ p K2 g8 {- c3中断语句
" d- t) u: _; {& J1 o% X9 O waituntil <condition> prio <integer expression>;
% |7 N2 s# x. j' e: `! s) q+ N$ N- M) b/ s1 }& E
2 ~2 C+ K& M8 X" w# d1 e: V以上为常用的函数！# R5 H$ I o9 p- J5 i) d
还有很多，如有需要我把资料发到你邮箱里
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