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发表于 2012-11-13 08:48:12
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1判断语句) e" x4 I/ t. F
if <condition> then
" y/ g; v5 Z/ l6 m <statement sequence1>;' H+ k" A4 B% H* d/ q
elseif <condition> then
& H+ A2 V; `: [5 X <statement sequence2>;& A8 C l* G, _- Q
else
: V7 [9 i% _ j% N <statement sequence3>;. [% n) t9 U; \( L( z+ `1 B: i: C- h
end;: n' `% U) M* o" T$ `% S) a
如果分支比较多，用：. ]* R5 M! D+ R$ s7 D1 V7 g
inspect <expression>
5 G- E: k' E! M9 p# N when <constant_list> then
6 }+ J! m/ o! h$ P+ ^" S <statement sequence1>;
9 A y; K& M7 D+ Q4 r when <constant_list> then8 X- i4 d9 n1 ` @% ]% \ t
<statement sequence2>;; w' ^; @( Q% T: }2 D: D8 k1 Z
...! I) f) F8 ^; j
else, E. R; `7 Q0 M* U" V( l
<statement sequence3>;
( T* M2 z; k) fend;- W! [2 _" \: y4 x1 v2 @. K- X' T
E7 F' t* s/ _: c! H O, y+ q2循环语句
( X! `- [ _% [( @6 A (1) from <statement sequence1>
* m5 w; I; @& I" S until <condition> loop; V: @3 Q0 W% P. J
<statement sequence2>;4 X& M/ `* j$ C6 a7 F0 y5 A2 J; i
end;! M, W% r4 r! e: ^ V: T- {- W& v
(2) while <condition> loop
+ }: H, K+ o7 R$ F+ w- j <statement sequence1>;
5 F6 M& J! U* @9 k* n- D) y end;
! f3 _8 K+ F; T9 Q$ `3 ]4 y W (3) repeat , Z5 T8 }$ [: [1 ^" T3 X2 A" I
<statement sequence1>;) X7 j1 f; o/ P: D! ^* e# G
until <condition>;) P3 d6 K; N$ u$ X
(4) for <condition> to <condition> loop
5 w: T! v1 z- F6 b <statement sequence1>;
5 R7 s4 `: N" S p5 ^ Y next;) B* @# D) A1 S% J% z- T
3中断语句) t# [0 F# \& }
waituntil <condition> prio <integer expression>;+ ~# m. Q! h7 C& @
. D" I6 O! J. {: ~5 c$ n' V1 n- m3 u3 K5 g
以上为常用的函数！
% @ M: u' c( i0 K还有很多，如有需要我把资料发到你邮箱里 $ p7 ?& L. u. _
% V2 G' Q0 _" ?
/ I) y, K) p8 C9 ]
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