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发表于 2012-11-13 08:48:12
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1判断语句- ]: d$ ^. H, I8 [
if <condition> then# ~9 b2 Q9 V' |. v! t( C+ Y
<statement sequence1>;5 g6 q# `9 G$ P
elseif <condition> then
`3 W& N8 M/ E- Y. l' l& }5 w <statement sequence2>;
# @1 R3 F: o8 `- W# ]. C+ o; u- h2 { else 0 n- C" r$ g8 [' J. G2 }2 K
<statement sequence3>;* l8 v- i! N/ s! d3 A% m
end;* f' `1 ` i( K# X
如果分支比较多，用：: K, B+ ^, k. g: e' W1 r# C+ U5 Z
inspect <expression>( T0 h1 b2 N' u
when <constant_list> then: H; d n6 t: m) F
<statement sequence1>;4 }+ t1 R" T* X: t6 K9 C
when <constant_list> then
2 G6 `; B5 a9 j5 G, `( K <statement sequence2>;
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else
% F, H# q# {! Q: u <statement sequence3>;2 c; C; \- p* b) R k- o
end;
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* e' i5 H6 h( H) [2循环语句5 ~0 U' `5 U+ \3 \
(1) from <statement sequence1>
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<statement sequence2>;
, {- l- X. l/ Z" V0 u7 p end;
7 ?: Y3 l! r; O5 l* q (2) while <condition> loop
! d9 G: S: B7 K9 |2 i" {9 c <statement sequence1>;
8 _2 H( x$ K$ ^" D' e1 Y2 ~ end;
% L: {5 c2 M) _- J' u1 ?' N (3) repeat ; m6 `* i. ^( r5 q/ w' N3 D7 G
<statement sequence1>;# q( b9 Z9 V. X
until <condition>;5 u7 X( Z4 M* T! i
(4) for <condition> to <condition> loop
" O0 D4 i% [: q( r) d) V <statement sequence1>;* m5 F1 m e) E* S6 b
next;$ y% q6 A2 q, i, j
3中断语句
6 A8 K& Y' F- I waituntil <condition> prio <integer expression>;
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$ K& z# B7 t: g4 y& P+ a' M5 r# E; \& g4 {
以上为常用的函数！
; D( i+ f2 v) k- S7 K还有很多，如有需要我把资料发到你邮箱里 9 W. H% Y* v& M
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