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发表于 2012-11-13 08:48:12
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1判断语句, J/ N. w. B8 {* b- d0 c, e$ E: _& G
if <condition> then
1 {/ k# r2 |, e <statement sequence1>;
: O) |+ w: _. S( J0 B elseif <condition> then9 p- N5 S! V/ d6 k* ]1 y4 E
<statement sequence2>;* ?: H b* H9 U9 r& M0 U" l- C1 g9 P
else ' [/ I% f+ B& [0 \0 U/ R# k2 g9 `; R
<statement sequence3>;$ |( ?5 r; l- C: D% j! q, B
end;
. M7 A2 b( Z0 z8 `- {9 f. Z如果分支比较多，用：$ S. F1 K% X6 j* ? }
inspect <expression>
' y! s$ L& [0 E: w1 C when <constant_list> then
; h+ H" s) Y) ? <statement sequence1>;/ M+ b8 d+ [4 a2 n' a( a, v
when <constant_list> then
# q7 z- f. G! h9 E( m/ E <statement sequence2>;
( E' k l, A, }0 i) p2 j ...
" t1 }8 X8 M9 `: Z2 H$ L else
' l* n' f3 j! h! X* V* [! E4 d0 X; m <statement sequence3>;
* _$ v( a% s5 l& j; t" Rend;1 x* E; k7 N6 I" h" W' i# e# n
# h# O4 @5 o: Y5 ^" c) L }2循环语句3 T" L& A* j1 A, L, P0 E |+ Y
(1) from <statement sequence1>
c O" g3 r) f% b7 ^8 u( } until <condition> loop$ ?! ^/ P7 r5 i' w# U0 G+ f
<statement sequence2>;
: L U# o, i3 x1 I6 r end;
* w& |& F/ o8 R7 q# O$ @' q! o (2) while <condition> loop
' s/ p" g5 F1 @/ E3 y, X6 O+ P <statement sequence1>;
! T1 O, N% n& B9 g; i end;2 S: h/ ~3 {( K# i" T
(3) repeat , F# i7 r* _" F9 N) M
<statement sequence1>;
8 p& H, [1 b8 Q until <condition>;
% O7 s: f7 h' M7 E; u4 p8 J4 V, t (4) for <condition> to <condition> loop
|3 Z2 C1 H: C' T2 Z* B) v4 P <statement sequence1>;7 `" d# l$ h) q
next;
/ S& `! B0 S7 x/ T7 l; l3中断语句# U& h7 I/ T F- v5 [
waituntil <condition> prio <integer expression>;
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以上为常用的函数！8 T3 K$ W. ^( F8 n5 d! c ^
还有很多，如有需要我把资料发到你邮箱里
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