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发表于 2012-11-13 08:48:12
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1判断语句
' l# v: E. a- f0 u2 z if <condition> then5 M/ I% F- M/ O
<statement sequence1>;* r2 L( R4 K7 m5 S
elseif <condition> then
" c a- ~/ S( |6 j* e7 ` <statement sequence2>;
) B( n3 ^7 j [4 D0 N- b else
2 d. g/ U) m1 \* J <statement sequence3>;
* ?& m2 A2 ?0 j: Y' Z( _" @ end;
) w- Z3 q5 Z/ f9 p如果分支比较多，用：
+ M8 n* a# w0 A$ e+ t5 f6 d0 l8 C inspect <expression>+ O4 x+ s; D4 |7 x, W
when <constant_list> then
+ ^# Y; U5 F1 Y( x$ Z, L <statement sequence1>;, M9 t) {1 T1 B2 I
when <constant_list> then' D" ~( b! M7 M! @! h
<statement sequence2>;
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else
: I! v4 u1 n5 Z7 O/ v <statement sequence3>;. t% P: A! M. _- j+ ^4 V" B5 t
end;
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2循环语句/ h7 R1 H2 s6 M+ I) Y
(1) from <statement sequence1>
: X2 ~ D6 [2 z! T7 j2 C y0 g until <condition> loop
& l8 e s# a6 |! f <statement sequence2>;
$ i1 f. a; z+ B4 e end;
4 b" W& d$ c/ B9 v1 ]: Y (2) while <condition> loop
6 j& Z; Q2 `3 ?& n' w <statement sequence1>;$ O( S' n- E8 E ~
end;
$ i8 R& D( |1 q( w* g (3) repeat
+ d' [% e0 o* V0 v0 O# V <statement sequence1>;7 w& R* A Z7 g4 Z
until <condition>;
& ^( e) O m/ v# u, H (4) for <condition> to <condition> loop$ G# t/ x7 R# l$ M" B
<statement sequence1>;4 s: ?# J- { y* {" }8 O8 r" k8 c
next;) N6 o$ Y! S8 W& c1 G" F
3中断语句
* }- M8 b; }$ J, M waituntil <condition> prio <integer expression>;+ ?( }( D3 l- w
8 Z+ V/ i0 X5 f6 a
7 R2 b3 F5 ]; v以上为常用的函数！
0 ]- \7 N/ K1 U( P" E还有很多，如有需要我把资料发到你邮箱里
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