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发表于 2012-11-13 08:48:12
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1判断语句6 a! z# r( t5 g3 k5 ^: p
if <condition> then
; I$ v/ f. \# s <statement sequence1>;
' C: U2 U. Y6 M+ s/ x1 { elseif <condition> then
1 ]9 u$ g1 W6 U% [/ \& P <statement sequence2>;- ?/ d6 T% j9 T K# k) Z
else 1 r1 w1 {0 J. F! j
<statement sequence3>;7 o9 o: S% q: Q5 l4 P7 F8 m8 H
end;) e! _* N$ g+ o8 U# t& {
如果分支比较多，用：
, {) g* D4 P7 C5 k7 j inspect <expression>
[8 @6 ?7 V/ Y5 C; |2 T' \$ N when <constant_list> then- N* {, f) z, i% {
<statement sequence1>;
# t( A+ x, U+ J, w' I: _ when <constant_list> then
' s& q- x W% X! {# ?3 `2 Z t: n <statement sequence2>;$ w2 W/ l9 q5 J5 G" Z
...8 ^6 ]: \7 n5 p
else' ^2 D3 ~& s& H! r
<statement sequence3>;+ K# v/ w$ q# T4 {
end;
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2循环语句
5 b* ^/ l0 c" |" K; U (1) from <statement sequence1>
% b- s0 J8 P- i! z until <condition> loop
0 m* _$ U# d! K <statement sequence2>;4 R6 v. j/ D( B8 @ f5 Q* U# X7 ]
end;
- c( n- n& v; U, I& u [5 ^ (2) while <condition> loop9 |/ F5 d! v5 x7 T1 }
<statement sequence1>; v: m; y: M3 _' t+ \$ d
end;
& w' \+ Q+ j! q% X* J3 `* H3 c (3) repeat
1 u6 h; C4 O) H5 f <statement sequence1>;; K, o3 h4 y0 e, @7 w- t9 _
until <condition>;
. y( w' x S9 M5 F (4) for <condition> to <condition> loop
7 A; ^4 s/ u" M* K9 c <statement sequence1>;
5 x) U0 V# ^& e, T l' V next;
( F, X) l& }: c* }$ I) I3中断语句
3 O3 S4 E+ m, I7 V. I4 T waituntil <condition> prio <integer expression>;
8 @. t+ {6 K9 }. a4 x- B, N2 ~4 V: Z( b% U3 z; r$ E2 n8 ~
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以上为常用的函数！1 i% g- e( d% V! X9 \
还有很多，如有需要我把资料发到你邮箱里
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