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发表于 2012-11-13 08:48:12
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1判断语句+ Z/ v1 e: m& B" _4 Q
if <condition> then: q4 n% y* l3 N2 Q& V; w2 `
<statement sequence1>;
/ w# ?9 j' j* ^% W+ X3 g elseif <condition> then
6 |. x2 a* F. n7 B$ k. e& ` <statement sequence2>;9 |9 U: M5 v! F: J# T+ J2 f
else
" \* b" b4 p, c$ A7 R6 Y <statement sequence3>;5 k, Z6 s1 |% G" [
end;
' ?' Q7 S# K+ ~2 |+ K如果分支比较多，用：
- R8 r1 B& P0 X% D' j. { inspect <expression>: }8 {, N, F3 H' \" T
when <constant_list> then* T: a; A5 `# g R3 \
<statement sequence1>;
! j1 D- o% Y& z when <constant_list> then& T1 z. i, z# e- b. u% `8 c; U
<statement sequence2>; F' E2 a A- K% C* K: l
...
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<statement sequence3>;
y4 x0 k: S6 n Z# W7 Lend;- A, A$ g4 F# v# C; H( \
" Q0 e' X$ s; ~2循环语句6 c& G i3 V$ ?$ R. f9 S
(1) from <statement sequence1>
' {) m, i! V/ f7 w1 P until <condition> loop
E2 e% B3 u1 t5 Y5 j$ e+ T$ r <statement sequence2>;1 F8 ~, G0 q0 x' ]
end;/ D( l% q0 H- A3 t
(2) while <condition> loop
: e4 x% r1 d/ ` <statement sequence1>;. _1 b2 o. Q0 s$ ]2 _
end;% U, q' S& W! k4 l7 g
(3) repeat , @1 S- g( n7 f f7 p* Q$ k6 |3 M
<statement sequence1>;
. w5 x* k3 d9 y/ X until <condition>;
9 j9 {% Y0 n3 Y, v8 ]9 ? (4) for <condition> to <condition> loop
( v9 y( P1 A- S( B8 v9 o% g <statement sequence1>;; B: x: s5 V) T" s( W# G. M
next;
% P: a* @- O6 u& R0 X8 g3中断语句
& N6 K& W/ `3 p" F waituntil <condition> prio <integer expression>;
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6 ^# |* d) } E. Y; {" `以上为常用的函数！ z) E2 m- B# L: E6 y% j
还有很多，如有需要我把资料发到你邮箱里
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