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发表于 2012-11-13 08:48:12
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1判断语句) p8 O& P0 f: S; a
if <condition> then
~& M! H3 J8 X3 i <statement sequence1>;2 m- w, V- f1 i$ J
elseif <condition> then. s+ c& W) K# N
<statement sequence2>;* w" B c8 J1 R2 ?6 N. R- i
else
. X" E6 P7 @1 \% a+ E+ y# N8 v+ {4 r <statement sequence3>;8 a6 d( S4 Y. Y
end;
" S4 g: u7 [# _$ K- y如果分支比较多，用：
- r0 g& Y& M% H1 T2 B inspect <expression>
: d* `) r9 u; f* v# W$ I Y# p# V when <constant_list> then
6 M' F1 N; A( V7 L. d$ S <statement sequence1>;
$ s: D" P! v8 U) S when <constant_list> then4 h8 F, ^5 ]1 r7 {
<statement sequence2>;
) l Y. e7 `" m6 m) V* n ...
- z5 K5 W$ J' x' Y6 Y3 Z else
3 N; p3 G6 a8 U <statement sequence3>;
$ m% [2 O) e- C$ p6 d# }- yend;7 W2 l" P( m& F/ S+ ~" @
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2循环语句
: `! w; R) e, P( d8 Y (1) from <statement sequence1>
3 _4 q! [6 `2 j% V until <condition> loop( D. d' X5 V r& W
<statement sequence2>;
; E" _1 {* b) l- x end;6 U) }( [, n9 H7 U
(2) while <condition> loop! M" F3 z9 ]9 Q/ o, a2 A, F
<statement sequence1>;2 N- M9 P& ~6 H+ l7 y
end;
% s; n3 j" h7 Q9 p5 _- C (3) repeat - f* j2 _: i" R& t/ [
<statement sequence1>;
6 k5 g0 r/ J5 i until <condition>;
% [* D: G1 p7 W h% \ (4) for <condition> to <condition> loop w5 v( b$ N) J7 n
<statement sequence1>;' T. H# {# o& k) q
next;
* q% U0 n+ R; S! V) H3中断语句
) ~3 o; r9 G2 M' r* \" c4 n4 O waituntil <condition> prio <integer expression>;
% j! G0 o8 v# y% i( U% r$ q" a7 K: u! O) T9 w- v+ O
2 |8 U e; z. E# u; I ]& E以上为常用的函数！
$ K' ^2 d/ a! ]& M还有很多，如有需要我把资料发到你邮箱里
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