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发表于 2012-11-13 08:48:12
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1判断语句
; t! P% {( x2 Z if <condition> then
l' w% ~$ a9 M5 a& ~ <statement sequence1>;
( J$ r' e) f$ R* b5 ^ elseif <condition> then
! [1 `$ `" I7 m" f$ k" D$ K <statement sequence2>; j3 c; J0 _6 y" s4 P4 ]8 q
else
+ C% ~* w: k _0 O$ n2 |4 g% n0 m <statement sequence3>;2 Z* O/ f" s. t5 c
end;& {8 S& n& A6 L) S
如果分支比较多，用：
" k& r2 A* H( P) }; n0 o1 {9 h inspect <expression>
; J0 C1 ]: a% z- B9 A0 t$ t% U, k when <constant_list> then
0 k) ~! \% K9 M0 z# U- a+ O7 W A <statement sequence1>;
7 e. L( f M' E* L8 E* [! U when <constant_list> then2 d$ z/ A, V1 c" W
<statement sequence2>;" i6 h2 h' h, `, F `8 T( Y
...
9 f8 h+ g& B! P) p" H: |7 ` else
# W" F4 P& a5 A4 m- O <statement sequence3>;
! M8 B% C' B2 x2 `. `" }1 [* J4 wend;
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7 a/ U9 L( s V$ P ?1 A2循环语句3 v$ V5 ?! p* a5 w% i2 J* a; ^1 M
(1) from <statement sequence1>3 l3 g& e9 B3 E$ p& D5 i$ F
until <condition> loop
% x$ `! L' B% T5 @. U5 x <statement sequence2>;
0 M" h/ N) `. P' o end;
- T& V7 p2 d3 f. { S8 l3 T (2) while <condition> loop) g8 w+ J! o* R
<statement sequence1>;
7 k3 Y) `+ C( t& E9 w; e% g end;
% d; \$ ~9 j1 Y) _: [ (3) repeat 6 |% h- h& W) E/ I4 |- N4 U
<statement sequence1>;
" B' y; t' }& X1 [3 d2 J8 o1 l until <condition>;
- t, t; z" [+ W( p3 q7 N7 } (4) for <condition> to <condition> loop
" e1 o0 z! O$ ^$ x <statement sequence1>;
' e/ r5 x2 q8 ^* y1 j' l next;+ V; O( P3 e' x, g
3中断语句
' j6 P9 W+ C8 C. u9 Y2 f; T waituntil <condition> prio <integer expression>;8 v$ e3 h6 m c& h( c& w
) w+ |, C' [, }( H: `
% C0 K+ i- k# {以上为常用的函数！
' s5 e8 J7 J- ^. O* }. a( m' n还有很多，如有需要我把资料发到你邮箱里
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