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发表于 2012-11-13 08:48:12
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1判断语句4 w D! `7 L* l! ?, N( v) \: S
if <condition> then1 L8 ?0 x1 f" G: G$ {
<statement sequence1>;# |0 ]+ B5 u" v* C/ N7 e: o
elseif <condition> then
i- H% M7 w1 f* p <statement sequence2>;
' J+ g q1 h5 t: a else 6 s" U7 r$ J2 z/ N5 @# c4 T
<statement sequence3>;5 W" h( o6 F4 I
end;
2 T J( u9 H7 v. |如果分支比较多，用：
0 h3 T/ q7 g2 s+ n9 ~ inspect <expression>: P5 i$ l' v! q5 ^+ P; s1 r
when <constant_list> then
2 E9 ]+ S, B2 U3 }) V! D% H <statement sequence1>;' f% f% S! H n! I
when <constant_list> then, z" A, u) ^ p3 ~- [
<statement sequence2>;
# f2 H: H' u1 Q) {' R' M6 u ...
4 |3 V+ p1 F2 _ else
0 D+ }# x/ a; ]+ i8 k9 D' k, }" O <statement sequence3>;: a5 N4 ?& I5 s2 J
end;# o5 n# k) ~/ W2 @( y+ [
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2循环语句
+ I' L& B a$ C+ ?/ n* | (1) from <statement sequence1>. F8 U' @3 v* h
until <condition> loop3 ` x j6 x4 ~4 H
<statement sequence2>;4 L5 v5 S# J, S7 t. j) h
end;1 B; I+ E) ^( x. p v) W6 H
(2) while <condition> loop
( t" X, G# q/ x' |. S( l( o( M <statement sequence1>;
+ z n3 _$ d9 P% N. b& `. C! o end;. m5 s" L- C; U# b2 l1 S
(3) repeat $ q; w+ Y3 `. ?+ }1 X5 @6 E
<statement sequence1>; v# x8 P3 K) n! [0 n# M) F
until <condition>;
; J! P- r' p( O+ V7 L (4) for <condition> to <condition> loop8 ?* c( ^2 t3 y. Y$ u' g' R
<statement sequence1>;; G3 {! @, H5 l( g3 b
next;6 c2 x, _. g! [5 U" Y9 k: X. y# G) u) m
3中断语句& L7 d2 E; d$ ]
waituntil <condition> prio <integer expression>;( E& I Y! A! A* M: F T
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以上为常用的函数！1 [1 X" t( Y* u# i O# c
还有很多，如有需要我把资料发到你邮箱里
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