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发表于 2012-11-13 08:48:12
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1判断语句2 t- j, d4 f, x3 c: b
if <condition> then# ?; `" y4 g" g4 L
<statement sequence1>;
! M4 @6 x0 z% ?6 c) d elseif <condition> then
8 Q- ^2 r) y) X$ X9 ~1 s7 f# u$ ~ <statement sequence2>;
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<statement sequence3>; [! D2 a0 O6 T
end;
* _ U" J, I( V如果分支比较多，用：* C. ~0 N- R: w7 d9 }. |3 J
inspect <expression>, N1 J$ U; X+ p, ?$ T
when <constant_list> then4 K0 Z9 E- z* c0 n, h; Y
<statement sequence1>;; J# L/ f# }* |* w3 n
when <constant_list> then
# K; C W: z# U p/ H% @; E# z4 Z- @ <statement sequence2>;& ?! y$ `& Q+ c% i; C( Q
...
# p: [7 [& u/ I a3 Y- T5 p: |$ } else+ A( q$ f4 l: Z0 h
<statement sequence3>;
" K$ W/ J6 Z$ ]. A3 l: ]4 W- d( Qend;, J# N9 Q, B- i, p9 ^7 n. f: D
- r2 |1 @# q2 N3 V7 a) G7 z6 Q! A+ C: x2循环语句
' b3 Q P T ~% Q (1) from <statement sequence1>
) X1 d% v, G/ W' s$ s. Y until <condition> loop( h8 j: t' ^0 A. ?
<statement sequence2>;
$ q/ G' }: O) r) I& o end;, z+ S4 v! H7 ^6 s1 t. c0 N
(2) while <condition> loop
* d8 D+ y; }% K/ F, n- T! u5 N <statement sequence1>;
: \& A# N/ n5 O5 O- N end;
! N7 R6 Z# P# Z; F+ E( j1 ?; } (3) repeat + d( N0 h& p8 E; W# t$ S
<statement sequence1>;
. b0 g5 n8 S0 ^ until <condition>;0 c& s; G/ g' N8 R, c9 d
(4) for <condition> to <condition> loop
+ c, D- R+ [$ l _8 J- K% `/ p <statement sequence1>;! P% _/ I6 z3 S) ~ c) c! |
next;
# v! A( E; h) B3中断语句
v3 x1 p3 g& }, Q1 C waituntil <condition> prio <integer expression>;
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以上为常用的函数！ j0 R0 a; U9 l. P; _) Q* u7 Z
还有很多，如有需要我把资料发到你邮箱里
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