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发表于 2012-11-13 08:48:12
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1判断语句
" _- `, L3 F' Y* a. \# { if <condition> then y; a* m$ ]4 |# s
<statement sequence1>;
9 z5 ]9 N2 e' }: Y. Q elseif <condition> then
/ _' X# z, n# @2 t- F" i( C* v <statement sequence2>;6 t, m9 M+ n" k. \: z
else ) Q( \* e1 T, [; d
<statement sequence3>;4 k6 r4 x7 Y5 Q- L. m+ B! n
end;
; R. K, y F* a5 @如果分支比较多，用：. A. ~. L1 g! }3 H- h' F. J* U; ^
inspect <expression>
# _. g! ^5 _! r0 n+ t; o when <constant_list> then ~. C0 L0 K! ^% g" e' q8 B
<statement sequence1>;
* T4 v( F! A, y3 q7 a when <constant_list> then. G, h9 k0 N$ L
<statement sequence2>;" z. o' L" z6 F# J) j: j" o( F' O+ `
...
, @! [) `) D% A; I else2 t- H# F4 M$ P" [. d
<statement sequence3>;( k9 ^+ E/ j5 n6 B' g$ H3 Y! m- v
end;
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8 X' w$ c! B8 X( D2循环语句4 q8 O: g. v4 x9 e |
(1) from <statement sequence1>
" ^, r/ |* t4 x until <condition> loop# f2 a9 e5 W3 N+ V, E" v
<statement sequence2>;7 k; N* h4 s4 T, |" N3 Q
end;/ c; o8 Q0 K3 ? H7 P. p& i
(2) while <condition> loop, ^% N0 o$ ]' F3 e4 C% Z
<statement sequence1>;
% I' `: N3 s) V7 u end;
. f! R' d2 E J g( J1 ~: k2 e (3) repeat
% ~! s. J8 D- }- y Q; K. @/ s/ s: l <statement sequence1>;
9 E( f+ D0 ^* D5 R' i until <condition>;
, j; C& h8 w) ~3 w3 s1 O0 q (4) for <condition> to <condition> loop
7 G1 ?" Y) H) P <statement sequence1>;0 T3 P+ M- }. k( {( C+ L9 |5 P
next;: k; E1 }6 `( h8 |( m8 y
3中断语句' Q% b6 H: \ p$ v
waituntil <condition> prio <integer expression>;) B( E& \4 t8 c" n) @: U
" [& Q3 M4 F0 s p0 @3 I
) [2 l/ J1 t4 W& j, M, s% g6 _7 g以上为常用的函数！
5 e9 @3 ]3 f% r还有很多，如有需要我把资料发到你邮箱里
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% Z( X& _: I- G+ d$ j5 ?
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