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发表于 2012-11-13 08:48:12
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1判断语句# R" R9 a4 F# g& C
if <condition> then
2 V( z2 ]' c" {4 j. @2 f, b, c0 o <statement sequence1>;/ b0 G& e4 K( B6 X0 r6 z1 w B
elseif <condition> then. J6 J0 J4 W& A" ?4 e! e F) A1 D
<statement sequence2>;
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<statement sequence3>;
" y' `+ V3 _# W9 i) h end;
, l- L2 N& Q3 }8 F/ x如果分支比较多，用：2 d" j' [- M; ^
inspect <expression>
/ d, D0 V- Z; \ when <constant_list> then
! T5 r! n' u/ b% p7 s0 b- p2 t" y8 s <statement sequence1>;( c8 D y5 D1 x6 E
when <constant_list> then
$ k& W7 Z& [ _- R: ^( j4 ` <statement sequence2>;
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<statement sequence3>;
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; l, v+ S( x7 V, M/ E& O2循环语句; B- V6 K! e+ y7 @4 _9 W
(1) from <statement sequence1>
8 F0 i" R, m) V3 ?( { until <condition> loop$ q8 V' \7 S# S% e
<statement sequence2>;
1 g% X% u: H" I5 C$ A4 t5 Q end;* J5 @, G- x! A
(2) while <condition> loop
& u! `0 Y7 Q9 h5 H2 L <statement sequence1>;
% v2 ~/ v6 \7 i# L' J \ end; ^& u' N6 G) G
(3) repeat 2 g) p" N# U. j- z. Q: H
<statement sequence1>;" y3 K2 c: x8 G- l) J. C# w0 g1 u
until <condition>;
* D# ~' w) L: G/ l- O& K; v" k# R& a7 M0 \ (4) for <condition> to <condition> loop
' t5 ?9 G7 C' B <statement sequence1>;# T8 @+ g6 k! X4 ^
next;9 H( X1 b1 l" L
3中断语句
3 X, P8 m/ B, P ~' |3 ~) v( E waituntil <condition> prio <integer expression>;
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# S9 `: G* _* x" r- ~9 a5 y- i0 i# r% i以上为常用的函数！1 u2 q7 D& A& W: n
还有很多，如有需要我把资料发到你邮箱里
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