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发表于 2012-11-13 08:48:12
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1判断语句
: @( e2 i a; k( g) q0 @ if <condition> then
' P: T5 F) U, j <statement sequence1>;
/ ~; }7 x- M# ^) P6 |* k elseif <condition> then# i; Z9 b8 k8 T1 J7 U
<statement sequence2>;
. \$ X5 `) Z3 p, K8 _, ` else
+ p1 U3 i9 p8 r <statement sequence3>;
% y/ E6 H; M! R0 o end;& S* z1 D- o7 S( B
如果分支比较多，用：! E: {. L- D: {; H( t9 `+ D9 E6 _
inspect <expression>
" t& Q; w, S' H$ Q when <constant_list> then/ h. }8 d, M$ }2 m# K
<statement sequence1>;
) u: e0 |$ e+ l# G( W4 r- Q when <constant_list> then
8 b* a# x, ^0 \3 Z- p <statement sequence2>;
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else
" t+ R) {2 t; r* v1 j. [2 T% u <statement sequence3>;4 P. N- S, l: _: \4 @+ i
end;. k) z: M+ [: O/ s# v& f3 w
) W) |$ H" `& `& F2循环语句
+ A/ X6 k% X: d+ p5 w+ G4 s (1) from <statement sequence1>
% |! i7 {( @" g: I$ {- }( g _ until <condition> loop* q( C: t% a6 f, B1 R8 l
<statement sequence2>;, f6 `1 S4 S2 b2 R0 R
end;
, m' {( y; ^/ g% _5 z/ T (2) while <condition> loop% B$ `/ w# `- |9 T
<statement sequence1>;
9 @2 e" z& I% V% q+ x d7 i5 t0 U end;
$ {& t9 ?3 V$ i1 t6 D0 m; y& L (3) repeat
% ]# J& `8 Q- x) }1 l' `" [+ U4 s <statement sequence1>;
d1 }! Z/ y" i+ F4 Q until <condition>;
* ^3 E& f7 y5 I (4) for <condition> to <condition> loop
) Y" ^* `9 w: M R# o <statement sequence1>;7 P1 ]) O& B0 L! r# v* j8 c
next;! z% y" O& \" B/ ~- w
3中断语句
& ^, X8 G7 F8 k waituntil <condition> prio <integer expression>;
* c; w. G7 ]4 c' {' s
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以上为常用的函数！
' @, b9 U9 l5 \# z1 N8 L$ w$ h还有很多，如有需要我把资料发到你邮箱里
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