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发表于 2012-11-13 08:48:12
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1判断语句* C! K" k8 ?4 c O% a! R
if <condition> then+ p) |0 u$ y% o
<statement sequence1>;
; k) o* }7 q5 ^5 I7 i6 J elseif <condition> then0 D( r+ G6 o. X9 r. V# F0 X7 ?
<statement sequence2>;, k3 o6 G$ z$ L& ~
else " q3 a9 J+ z1 {3 F
<statement sequence3>;( K, R& m0 }* ?" D4 P- S
end;
" H7 V* O! w- C- ^* @如果分支比较多，用：
0 C- b2 x$ E/ s inspect <expression>
( s% ?) X- h6 N when <constant_list> then$ D5 r2 `8 a# q, U
<statement sequence1>;
/ h+ j; }( X( l. E when <constant_list> then
" h9 _! @: y1 ^0 I <statement sequence2>;
2 l: L. j9 Q4 r- r- Z- c, \- r ...
/ ^1 l$ V6 k" X2 U( L else- x1 t9 Y3 C+ O4 T+ f
<statement sequence3>;. }" I; V: _) v a7 {' h( X) {
end;
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' r1 C. ~ h, D1 A' D2循环语句
& x( \& S6 T9 D8 j) |) o4 s (1) from <statement sequence1>" f% C, G7 h! r T
until <condition> loop- @ [: r7 E5 K* P2 s
<statement sequence2>;7 E5 ]5 V, l: h7 o
end;: ]( c! {; \# }6 G
(2) while <condition> loop! x6 h% A# _- h* X% g4 }1 B
<statement sequence1>;
$ D1 C$ k; N; l7 H2 T end;2 v. ^; R: ?( l/ ~9 m
(3) repeat
# `9 \- V6 `" P& G8 E" p <statement sequence1>;
# i( w3 v# x% o9 P% o2 ? until <condition>;9 G% z0 f: B/ w% {1 e
(4) for <condition> to <condition> loop
0 p2 F( V% R. M# x k <statement sequence1>;
0 y2 l, @) k/ H/ P0 U; P5 x- I next;
3 K4 [. Q$ l2 i' T& }" W) c3中断语句
: e& j) Y. c: J& t- X' S waituntil <condition> prio <integer expression>;
, u: h, l3 g( Z. m; X' Y' O9 H" Z" R8 ~5 I+ J- P
; y. X9 i, U% `+ b. {* Y. ]/ M以上为常用的函数！( x8 V% Z) q9 c: E
还有很多，如有需要我把资料发到你邮箱里
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