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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
& a3 |) }8 k. r# e! j if <condition> then
, p: y& V: j8 h' S. U <statement sequence1>;( X+ ]4 u$ L$ W: p
elseif <condition> then
# s% G; @$ u0 i* G <statement sequence2>;1 A5 }" [( Q; v
else
! ?9 H5 {6 K5 M K* q0 l, a <statement sequence3>;) K, p, ^* K% g+ }
end;
/ W: w. } D Q5 a如果分支比较多，用：
3 e9 x+ m' c' H& |/ {7 G inspect <expression>2 l4 ?0 g+ H/ A# T& t
when <constant_list> then* n& W6 `6 O# i
<statement sequence1>;
% [% H H$ Z+ z. \! ` when <constant_list> then0 {, q4 @2 p; u/ H9 q5 r
<statement sequence2>;
- c5 x* l" R* n+ c2 [ ...; |, V7 u' ^% S. i1 `* e
else G- u# R1 A. j1 O7 h7 K) I
<statement sequence3>;
' D6 z! U9 n: ]( \) {end;$ y7 g, v4 }% E6 k5 ~1 g! ]2 c" w
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2循环语句
; N% l5 z+ s& [5 {7 w (1) from <statement sequence1>
/ \) G [" _4 P until <condition> loop* r l p% P/ c, h1 Y
<statement sequence2>;
. Z2 x ~0 J) m. z% v$ V, W end;
( l3 L$ F) E+ Z7 t- \) M8 ^# h (2) while <condition> loop
E9 R; j( ] o; Y6 ?# \ <statement sequence1>;; O! M, ?. t5 ~3 _& g
end;
4 ]. k1 |9 ]$ a } (3) repeat
1 m6 J* r" P% G2 ~4 { <statement sequence1>;
7 w @9 ?. O8 N: X6 H4 P J0 F until <condition>;
8 F9 E! |; O$ W3 L% r8 m (4) for <condition> to <condition> loop/ n1 ~& A# M; Y& o/ p6 a6 I
<statement sequence1>;
" Q2 ^# k+ A; a* G, x9 P: s next;+ N: I" c) ?& k: O9 o
3中断语句
* |% Y& B2 ~& K waituntil <condition> prio <integer expression>;
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) _0 i; O) T4 O. ~4 l" i m' p5 }以上为常用的函数！; N$ B0 Q+ N) L$ j$ `: L
还有很多，如有需要我把资料发到你邮箱里
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