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发表于 2012-11-13 08:48:12
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1判断语句: |$ P# `5 N h
if <condition> then
/ D4 g4 f* a2 l4 f, y <statement sequence1>;
. e5 T2 ^' J, I# ? elseif <condition> then
: N2 Z; a1 N) v( Y <statement sequence2>;
5 y5 t# d* h- @ else ! V8 b% S4 P. o* b
<statement sequence3>;
: K' N* j: p9 A& w6 N# z end;
& _- `$ v# {: o1 M. i1 w如果分支比较多，用：: c t' {3 a% l; e
inspect <expression>
0 F9 {& J$ C" r1 D when <constant_list> then
8 [' `$ b' i- @2 y. o' P" q( n, Z* Q <statement sequence1>;
y0 U2 x0 F8 Q2 _# K when <constant_list> then# ^+ P2 \8 M6 y7 s! ~
<statement sequence2>;
) k' }) r; U- a: {. o ...
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<statement sequence3>;
$ m4 x& ]0 l, ^# Bend;
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" e/ I; V4 ]. K2循环语句& Z# O# p+ b* ^7 y
(1) from <statement sequence1>5 l+ G' b: j/ b2 I* m) {2 I
until <condition> loop
+ D. Q$ s/ H7 E5 u5 k7 ` <statement sequence2>;3 ]! `3 y1 t3 t. K2 n
end;% M0 S# s4 d M* n' E2 F4 i1 V
(2) while <condition> loop4 k8 e R+ z0 F+ C6 n/ n; R
<statement sequence1>;" {+ u; Y# c; b
end;
/ K( m* f) x9 b( F: U (3) repeat ; \* y) }8 t4 r: X1 A2 f3 h
<statement sequence1>;
" L Z3 d/ q# g: J1 Q) r until <condition>;& i w8 M% ]1 Q, m
(4) for <condition> to <condition> loop% h' Z* p7 _; _0 P& z
<statement sequence1>;
9 \0 N% n# F6 h* F next;
- n0 f& i0 j. A- J* [* [, h# L9 G3中断语句
. L. G1 ^5 Y7 o+ I; v waituntil <condition> prio <integer expression>;
! \, ]- {1 N& T" W$ N& [2 _/ J V f: [# V6 F! O5 R; C5 ^- p
, h9 n# f/ r: J) n以上为常用的函数！/ R( h" ?) B; D1 _0 M
还有很多，如有需要我把资料发到你邮箱里
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