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发表于 2012-11-13 08:48:12
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1判断语句
@4 U2 ^/ ]% P8 K# V if <condition> then# _ r* [: Q/ l+ o L1 W
<statement sequence1>;; |7 W O$ G& ~. P
elseif <condition> then
6 k. m* S6 @' b1 F- r <statement sequence2>;3 D7 ?# X& {" ^$ f
else
" m4 [/ P& N( [4 J <statement sequence3>;
# [3 z$ c7 W! b1 e) I. \) h end;' h. l. q: q- v- w3 E0 V- f) `
如果分支比较多，用：% E ^2 x3 ^2 `" N. x7 e5 d; Y! Q
inspect <expression>$ V ?; I* g8 n: u
when <constant_list> then
5 P% b! @& g4 C <statement sequence1>;8 ~8 w* h1 C" C2 g1 j
when <constant_list> then/ C7 u6 g# B+ ~
<statement sequence2>;5 x$ ~& A; y; X# B! d# }
...0 E% I& n0 o1 l7 {
else3 C+ B' ~ U0 N
<statement sequence3>;
+ A' P5 C8 k1 U# [6 send;
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2循环语句- @. z2 Q9 r4 q) C
(1) from <statement sequence1>4 E8 \" z: L1 @
until <condition> loop0 p$ O/ d8 v5 b( H& f/ q
<statement sequence2>;
& Z# I8 ~& u. q2 Y6 j end;
/ ^0 q- v' s0 t i- c. s. | (2) while <condition> loop
4 w5 E1 i( n3 P9 r: z1 Q; m5 {2 I1 Y <statement sequence1>;3 J! ]; @( l6 _% @9 {9 \
end;' g6 E1 y6 E& \2 s+ }1 _3 i7 y8 D4 Z
(3) repeat
( l! R6 U+ p1 W* a <statement sequence1>;, v- f( |7 N$ f' c- m. F
until <condition>;4 d ]1 {( }1 I2 ~7 I! i+ W
(4) for <condition> to <condition> loop1 L0 g( O: K6 C9 Q- l, _" V7 @
<statement sequence1>;1 h) _- C; ~# f( @$ S% B
next;; {. ]* v+ g. T- [
3中断语句+ \" {- L/ E( q9 J2 \* @- a
waituntil <condition> prio <integer expression>;
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以上为常用的函数！: b7 C- N% z. y7 p# _. c% U
还有很多，如有需要我把资料发到你邮箱里 * _5 i4 I4 w. V/ A* l% S
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