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发表于 2012-11-13 08:48:12
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1判断语句; q1 a4 R( P; s2 f$ G8 [0 @
if <condition> then+ N, I) {( D5 L# @' d
<statement sequence1>;$ p: z( a. t# d
elseif <condition> then- A4 r) J M: l; |" E
<statement sequence2>; `4 f" C, M6 a7 f
else
* I) o2 t) C6 y( Q* k5 \ <statement sequence3>;
4 [8 I# t: A8 z end;
7 W' J" C- T' N7 u5 J如果分支比较多，用：
, a7 u- Z' A3 c( Z9 U inspect <expression>
% [% j+ [1 i* h% J: i, k' P6 v; u4 z when <constant_list> then
6 m# M# a& d7 R* W% w- D) `- x <statement sequence1>;! m5 N7 D- Y0 ?7 \4 r. k
when <constant_list> then+ E; u9 q5 s! ~ P; Q+ `
<statement sequence2>;- l9 c- G) a8 `/ o, J B: G
...+ L+ Z C/ K/ Q2 a
else
. z }' t# y3 k2 a, ]3 b <statement sequence3>;% `. P( A' |! p. m- |8 n8 T- G
end;# z9 _6 E; h* ]
, w) z# N. D9 w/ {3 J2 Q" L7 {2 P2循环语句
# `+ o2 {# w& Z3 @- S' h (1) from <statement sequence1> C$ g- K2 S4 r& J: ~
until <condition> loop- p9 Y% w1 U x; W1 L7 D7 {
<statement sequence2>;7 K& ?3 y: T) T, l4 p
end;& n- G U2 W e! [
(2) while <condition> loop4 k4 G# G- w; r: D8 W2 w
<statement sequence1>;
; i- ^, n& e4 g3 j end;
k' V) N! f6 Y0 [% k$ h7 s1 R. {. t( Y (3) repeat
) C* c: t7 Q: }& M8 z+ A9 Y <statement sequence1>;
' A; d4 D" N$ o: j until <condition>;
* F3 k4 s' g2 _- l7 G (4) for <condition> to <condition> loop
/ Z. P4 R$ x3 O( F7 O6 ? <statement sequence1>;2 V' n, x: l @
next;; m- {- V+ \0 W. I
3中断语句
- j% ^$ v0 z6 | waituntil <condition> prio <integer expression>;
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以上为常用的函数！8 g% s7 O* i' c5 p# F9 _
还有很多，如有需要我把资料发到你邮箱里
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