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发表于 2012-11-13 08:48:12
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1判断语句5 t: j& D' j: @. k
if <condition> then9 l5 _# y6 S! Y
<statement sequence1>;% A8 n( K1 |7 w5 B3 u8 V; v
elseif <condition> then5 |$ P5 h* Z8 q/ u% r( e% c, U2 m
<statement sequence2>;5 P l+ G/ F6 b! q1 \. o
else
0 D% T& h& b. c6 n, k# P- W$ n <statement sequence3>;
4 L1 |" T5 F9 m end;
! I) s4 o, I( ]# _1 c如果分支比较多，用：
# h3 @ B8 J4 ]1 z; w inspect <expression>: D+ z7 C6 k/ w. H7 Y2 M0 j
when <constant_list> then( z; i [/ q; q B. k9 W/ _ ^
<statement sequence1>;! r: W; _7 u' x
when <constant_list> then9 c0 G) R: W' Z
<statement sequence2>;; l6 i5 M) m7 F7 R0 T; E4 Y
...
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<statement sequence3>;# m5 @0 u; Z6 ^3 m$ H, W
end;9 R: J* ?7 b2 w1 l9 H
/ s2 q$ |6 ], F3 E0 j2循环语句 h( g! [. d9 T
(1) from <statement sequence1>% @" p+ H7 v- n
until <condition> loop
$ o- i! L$ O/ w <statement sequence2>;
1 E9 j% q; o0 o2 G; C# K4 w end;
. c1 u4 {3 V% }& I+ s (2) while <condition> loop
, k8 ~9 ]& I: U0 k3 } <statement sequence1>;
, `+ q0 e, t1 `0 _ end;
0 w0 ?. d) X t0 w; U) u3 b N6 l (3) repeat q/ c/ G5 x* p
<statement sequence1>;
' m8 S& F/ }6 i& o7 ~% b until <condition>;1 ~. @) R* b6 }# \
(4) for <condition> to <condition> loop3 O4 G& f Q- \
<statement sequence1>;% y- ]7 O! O% |
next;
7 \% ?( e& T J) j L0 T3中断语句% j6 |1 U }0 l7 u7 M
waituntil <condition> prio <integer expression>;- }3 C5 {" h- F% p' o/ k! K" l
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1 h3 \2 V. C3 f: j: |& f以上为常用的函数！
- `& v$ I0 Y- [( f5 R还有很多，如有需要我把资料发到你邮箱里
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