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发表于 2012-11-13 08:48:12
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1判断语句1 K3 a+ D" o8 |# w( W& b* s
if <condition> then" S- Q# b l9 y& I
<statement sequence1>;3 f4 v4 z1 A0 F
elseif <condition> then' M" c' Q4 w5 D9 z" c: ~& l2 T! ~" V3 A
<statement sequence2>;
4 a. H: D2 z/ G! b# P9 u) D else
( `: c- O) o$ P$ T <statement sequence3>;
2 k3 Y; h5 q+ Q" Y- P" `6 u6 o end;
& @, s* I0 K: M如果分支比较多，用：/ `$ p' y/ H& g$ X% }4 V4 K: s9 `; ?
inspect <expression>$ `2 @ L1 T- s K+ ]! l
when <constant_list> then. g- P# |6 B: s6 f; o- |
<statement sequence1>;
! d0 [( P$ n! @3 a h3 x: W when <constant_list> then
& }- H, y6 G5 n4 S2 K <statement sequence2>;9 p& ~6 G0 V9 E8 C
...
- j' ^' O: q9 D1 F/ A+ e else
1 @! G: S6 Q) S; D3 I+ q# d9 p <statement sequence3>;
# ~+ p) x0 j" R. i" \2 Bend;
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: n4 {1 o9 j3 h9 f) E/ g; e2循环语句
1 }9 }* k) G; ~ (1) from <statement sequence1>& \ v) Z& j6 A! E) |+ K
until <condition> loop, J# L1 F* D" r& R d5 G
<statement sequence2>;
! E" }/ w7 a& n; f6 O* f7 l) | end;
" C1 D# o& _9 |) L% t7 s (2) while <condition> loop6 H5 w0 b4 i3 y" s
<statement sequence1>;* K4 s' ~& {$ |$ f0 S" N
end;9 u9 R; _2 S% J& r1 u
(3) repeat
; _( v0 @9 ]; x3 d3 ^' s( w N <statement sequence1>;1 k: f% h' t: @( h5 H
until <condition>;
$ G' E' g1 k1 z* z8 j (4) for <condition> to <condition> loop
/ W( v+ H# [% {7 L( @ <statement sequence1>;
* m5 x" h: u9 i next;! R% Q4 R# i5 A! @9 ?1 x: {
3中断语句
5 N' Z6 h# E8 [: d( \ waituntil <condition> prio <integer expression>;, a* ~$ o( a' ^
4 F, B4 r2 k; A6 q
6 t& S k0 A: G( a3 n以上为常用的函数！
0 m+ |% r( V1 G! Q" a- `还有很多，如有需要我把资料发到你邮箱里
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