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发表于 2012-11-13 08:48:12
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1判断语句- q) L8 |: Q1 ]$ ?) M
if <condition> then
- d9 M- o! N' W, ]' F2 S& t <statement sequence1>;
. f, @/ O: l7 h: a: |2 [ elseif <condition> then4 n4 e+ G; u5 u# i+ H/ G
<statement sequence2>;
X# ?* U2 f& [( r5 [ else
7 F* ~# L4 M+ R+ O <statement sequence3>;; A0 F& E9 b* ~$ q- _ q* p
end;
! ?) Y, j; X. ]* `) q8 o8 S7 ]如果分支比较多，用：$ q# B" J) x" b' @# I
inspect <expression>
, F2 P$ B+ s$ f7 A* o0 p; `- a. F& C when <constant_list> then
6 N- O6 w7 s+ ?& D/ h <statement sequence1>;
' ?/ g* D) o6 H' C& l" P7 w* x when <constant_list> then! p$ A7 x( Y& o! J [
<statement sequence2>;0 b, e" ~( L9 T% }4 R- o
.../ j/ c! h$ Z: ^' w6 G- n# J
else8 e! D- v& ]+ I% w/ ?
<statement sequence3>;
* ?; R- h" D+ n( `' Gend;* \+ i( D: z4 y2 @
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2循环语句
4 ^, I. G( T" R4 |7 Y (1) from <statement sequence1>9 D1 J" o1 H+ q q1 c5 o. g
until <condition> loop% D3 K, c# D5 ^8 G5 B6 u% k
<statement sequence2>;
* ~7 T/ ~7 k v8 K end;
6 F" t ^9 G0 r (2) while <condition> loop' H9 O2 x5 g0 e5 [6 T
<statement sequence1>;" w5 R; n H4 o. U: x2 o X0 i* {
end;
6 K+ N' f$ \1 ~" ^/ ] (3) repeat
; x+ u8 b: u: u! L8 ]8 P6 j <statement sequence1>;' p/ w9 G2 r I5 r, O
until <condition>;
# y( A. v2 u( u+ G2 p/ K (4) for <condition> to <condition> loop5 N, I9 ?8 c1 h$ o$ ?2 }
<statement sequence1>;$ p5 M3 j( `) R0 g4 I
next;$ Q) z1 Z3 |' V, N1 {# Q
3中断语句& N, f+ j5 J& p* V: S
waituntil <condition> prio <integer expression>;
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. W1 d; p% S9 [( K3 E& T% v; ?
以上为常用的函数！
" b5 m0 d0 Z, U6 S2 L+ j* v* F还有很多，如有需要我把资料发到你邮箱里
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