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发表于 2012-11-13 08:48:12
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1判断语句
. U- R2 J7 i# Z* v7 q6 k if <condition> then
9 \7 b0 Y9 h8 P# B- T <statement sequence1>;) M# [4 x4 W% D7 _& Y
elseif <condition> then
7 U( i6 q( V2 K% {, {9 W5 N <statement sequence2>;8 }: X% n0 G$ F8 [+ ^7 w
else
1 }) D0 g2 G+ e* l <statement sequence3>;
, v H* v5 K- T3 k4 Y% n. Z end;
4 {) S) o8 I- k5 @" \% Z' i如果分支比较多，用：, F" Q- J$ z# O ^# [5 n U; b
inspect <expression>
% T4 u* H9 D$ I8 ]5 \% n% r. I1 P when <constant_list> then
8 c" l/ B0 n: Z' d <statement sequence1>;
: M6 ?. L0 g. x# c. {$ ]6 \ v$ | when <constant_list> then
' v: E/ X4 |' ]8 K <statement sequence2>;) p( b; O8 m0 g- W
...$ O% ?- _; T3 t1 ~$ r
else
( M1 r) W) {" b <statement sequence3>;" I: L4 h- i4 V. s! D2 \
end;+ C7 d- k8 n/ d
, g0 Q& w+ e% b
2循环语句: y% i( r G5 r8 M% @
(1) from <statement sequence1>
9 U! c+ b4 J5 f3 h) g, O until <condition> loop, e6 x; v: F* |
<statement sequence2>;
; k& w1 d& c& z, ] end;
+ D" b1 _; L5 R9 J: o( e+ u (2) while <condition> loop
/ w8 B1 }* j H l <statement sequence1>;
. W5 X* u0 R( T( W! t' r) c5 d end;7 r/ t/ _/ _, @) {
(3) repeat
$ T. W. P5 v5 B( Y: u' I9 ] <statement sequence1>;
$ ?. i- A2 y: U9 f4 q9 J" q0 i: [/ S until <condition>;) t7 a4 f' ?: K8 t: ]
(4) for <condition> to <condition> loop
) M; I; [: a. R' B1 p5 A! a7 n: E <statement sequence1>;1 z- x5 O% w8 _& T! Z- @# Y% e4 n6 v
next;$ ^2 z( {8 `8 ^: o& Q) F& f
3中断语句
( t. c3 c1 M" Q waituntil <condition> prio <integer expression>;( `+ i+ {5 r& C
) f0 r. K' p6 G! Q7 t( F8 N% Z. ~# @1 T' T
以上为常用的函数！- O. h( |0 s5 l Z* e
还有很多，如有需要我把资料发到你邮箱里 ) t. |* k& b- v: r" r; C% j
4 r" {% ?/ x$ b& c0 w6 m% P
- R' s: b' n3 T6 P/ V/ M5 ?* k: |) i1 D/ J
$ R8 S! U Q0 D {$ ]8 [
" \5 b0 G2 a2 Y. ?# d K4 X
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: j- G5 G6 \8 I+ p. d# }
+ k! P# A: e+ g/ o4 Y1 y 0 H1 u) `& X% j" n i
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