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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
& J& k% D; Z) x: H/ r+ B. l if <condition> then- t! h6 d. h: \7 I0 q' r
<statement sequence1>;
5 g0 a5 k0 B' v+ H/ X* x/ g, d elseif <condition> then
/ B& M3 b% } I; } <statement sequence2>;' L: C2 {; ^8 d- A! C8 P
else ) F5 A; m3 s/ V3 j$ c* _9 G6 i
<statement sequence3>;
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如果分支比较多，用：: N" e3 Y# U9 [4 w- }5 c
inspect <expression>! N. s+ b8 a6 [; l, b+ X6 u; R
when <constant_list> then
7 ]! d9 v M/ v+ ^% w _9 \, g% ^, d <statement sequence1>; z& d0 {+ G7 l1 w9 f, x$ h8 ?
when <constant_list> then
$ ^. S l1 z- o; E: k' n <statement sequence2>; J9 y* S0 {+ S# G# }9 ]
...
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<statement sequence3>;* Q1 X5 U9 V ]+ v# }9 s
end;- q! R3 s1 ?7 z4 ~/ N3 c
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2循环语句
! Z4 K! g$ ^: {2 l (1) from <statement sequence1> I& ^) B4 m( K$ |( K
until <condition> loop
9 \, W5 _2 ?! R; y <statement sequence2>;
' x! F" T& Q% D9 f0 M) @% p end;: C1 z. y6 N! z" i4 e
(2) while <condition> loop
0 B) A; f7 i6 H; y Z V <statement sequence1>;
7 t% y2 Z$ q. [! M1 F% c" h end;$ a- ~/ g7 X v: L- Q
(3) repeat ) O1 f1 u7 j. {
<statement sequence1>;
; \8 z! J; I8 U7 N( Z7 U" a& x, J until <condition>;
w4 A7 `) C1 F (4) for <condition> to <condition> loop% i+ b& E' t ^" |0 `' y! q
<statement sequence1>;0 t2 i2 j2 ~9 \ i5 I) b
next;7 G, t# u8 c8 m: |- z8 X) l) ~
3中断语句0 r. u! ^& ^& d
waituntil <condition> prio <integer expression>;
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+ j& q. K( a& @" Y* ~: x以上为常用的函数！4 t+ \5 h. x% K! |8 T
还有很多，如有需要我把资料发到你邮箱里
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