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发表于 2012-11-13 08:48:12
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1判断语句 |' g# t1 ~/ G* Z" I3 @) o
if <condition> then/ N5 O* k$ k5 B$ X
<statement sequence1>;
- F# w, a2 P; V/ W+ a elseif <condition> then
+ u& }! h5 D3 u8 P$ ^8 X) b <statement sequence2>;
4 S; R; e" q4 `" e else 8 P5 R* q& Y3 }+ b
<statement sequence3>;* C5 T4 K$ ]% V
end;
4 j( l s- a- E/ O J( P9 ]如果分支比较多，用：9 M4 D0 a Z5 I% ~: l: f# `# K
inspect <expression>
, h+ c1 H% Y7 c# P2 K+ i; B when <constant_list> then- W3 G$ p/ q. L. u/ \5 E7 k& H9 `& l
<statement sequence1>;: ~3 [& O2 a$ g; g
when <constant_list> then
/ r* y# g( Z1 n' U2 N/ H( _ ^ <statement sequence2>;
6 Z) y' O$ g& P1 P) q& U ...
- ^- K8 w- O: x o; q else$ f9 a+ O: L# W" N; J/ c
<statement sequence3>;
4 M8 m9 G% f+ [# L% ^3 o( Rend;9 v: o5 U6 B6 I. |9 F
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2循环语句: W0 [/ [4 p7 J: A. f: X/ S4 N
(1) from <statement sequence1>
, l9 C* f- s3 C until <condition> loop* s2 k2 n& ~5 u8 k. p7 j6 ~
<statement sequence2>;2 O# |4 O; v$ L+ t1 ~7 L# `1 E
end;
; m: q' _7 l* o$ R (2) while <condition> loop1 ^6 M8 U* ~6 J1 G9 i D
<statement sequence1>;" ? O4 t3 I2 k I
end;
+ @' B/ E& [$ E3 \* G% y! Z (3) repeat + R$ t# T; d( \; E/ u6 \
<statement sequence1>;
8 v6 D6 I0 R0 M. b- I: X until <condition>;
1 C/ p, A) l# v7 z t- D: A (4) for <condition> to <condition> loop
) l, R* Y' B$ q* A6 _: E <statement sequence1>;( @0 ]* S& n3 w+ p
next;
8 w6 N7 H7 W) U0 ?1 x7 {3中断语句
& g C* H0 `; b0 y L& c( f waituntil <condition> prio <integer expression>;
: g2 a; a, ]" o6 r: j' y
$ {$ [8 d" X: D* f I' I& v$ V+ y0 |0 W x6 A. B0 e
以上为常用的函数！7 h/ R8 P- B7 f' p
还有很多，如有需要我把资料发到你邮箱里
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