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发表于 2012-11-13 08:48:12
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1判断语句) u+ k( ~4 z7 a: y
if <condition> then) u3 ~; S5 i; _4 A. ?4 g
<statement sequence1>;* i7 _1 [1 m1 G# Z$ Q5 {
elseif <condition> then
b3 Y$ r8 B: h$ N8 v* U' O/ z <statement sequence2>;' U; T4 H" {* B' U ]! y4 v, Y
else 5 n, Z1 i, }! e8 L A
<statement sequence3>;
. ^5 q) s% ? I* T2 J z8 d# } end;
! |0 I. _" v% E* ` _如果分支比较多，用：: B7 G7 S1 M# C5 j' e
inspect <expression>
5 `9 u) ~2 n v, e+ E when <constant_list> then( r- }# S" v3 n% p& _/ Q6 p9 A0 M2 u
<statement sequence1>;) S" l1 h9 ] ~% H! p4 P" {# G
when <constant_list> then, K/ Z; S: r$ r" H/ h
<statement sequence2>;& p6 z7 O( y6 F; X8 j
...
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<statement sequence3>;0 F2 Y# M. m6 p, q0 u
end;
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2循环语句
& }( g( h: k! H' j2 a6 U (1) from <statement sequence1>( F- y9 T* b9 s7 u1 D
until <condition> loop6 ]( F, }. `/ ]: v. i, A2 P
<statement sequence2>;
/ ? H* ?9 G& W' e end;
& U+ [* V; v: b (2) while <condition> loop
' W- c7 B! C( t- o <statement sequence1>;
8 C1 S' S0 z2 z B: h( T8 p end;
3 `$ [8 ^. Z4 S2 \4 P (3) repeat / j8 |9 ^" `( V& a; r8 i1 m
<statement sequence1>;
3 {% H {! | R1 k) G: Y# u9 E d* \ until <condition>;- i$ K" [% X. u
(4) for <condition> to <condition> loop
$ J. D4 N0 }* g: E: d" h7 z <statement sequence1>;6 T/ c1 X: D# _* K+ V8 Q$ k6 e
next;
& _+ h5 J: _0 n6 g3中断语句
M+ S# y$ I. s, \ waituntil <condition> prio <integer expression>;, k7 c6 n" B6 H! d: {% f
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以上为常用的函数！
2 s7 r( I9 D4 t2 E$ z还有很多，如有需要我把资料发到你邮箱里
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