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发表于 2012-11-13 08:48:12
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1判断语句
9 g1 J1 \2 r$ ^- U if <condition> then
R! p8 h- g5 E, `7 x7 z <statement sequence1>;
) \9 J5 [8 O3 Y, p9 B' g* P elseif <condition> then& s) ^3 h& N5 Y( `7 K( O4 d0 V
<statement sequence2>;# n% J$ r% u4 |2 Q+ v2 ?; ]
else : J" j& p/ s* z( f6 f
<statement sequence3>;
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如果分支比较多，用：! l9 e: K U( }7 p( b
inspect <expression>
9 K) b) q. _: C3 [- a% k3 C g when <constant_list> then
: O. d3 j3 o8 S" Q$ m <statement sequence1>;) l: W: Z( J# l# M+ w2 J( v% q
when <constant_list> then% l! t( J( D1 r! _) C! R* r* E3 W5 T
<statement sequence2>;
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else5 j# c+ W' E/ E
<statement sequence3>;- ^/ m3 O! B2 S8 l8 i p
end;! J, w5 N5 z' j& x: h7 s+ `5 U
) V& z3 P# _2 l7 h8 Y0 `* _) u2 b2循环语句' h8 v+ W: f( `! ]' F
(1) from <statement sequence1>
- }- X; K: e, M2 `3 h9 d/ x until <condition> loop
# C/ R7 p1 e& X) @- u# G <statement sequence2>;
; D+ ]# ^/ H I2 j$ d! }2 j end;
$ |4 [# h, y4 _: h, W (2) while <condition> loop$ x" c( o" P. B. U5 [: f+ X: i# s
<statement sequence1>;0 J- s& H: U5 n
end;# A* k& x- I- S2 U
(3) repeat ; K9 Q3 H& C& a! l" i; _8 _
<statement sequence1>;
7 {" S7 V) h8 c4 G# J8 d& U until <condition>;
1 Q! Z) J4 a9 H5 { (4) for <condition> to <condition> loop8 U: u* x/ Q/ N% L7 D
<statement sequence1>;
3 W7 [3 h6 ~' D; ^! J1 d. I2 y next;7 B1 x+ s! o8 m; W
3中断语句/ ~9 Z& _, R; v
waituntil <condition> prio <integer expression>;
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以上为常用的函数！: z) M8 y' ~4 N1 \6 l! w6 m* E3 J7 c
还有很多，如有需要我把资料发到你邮箱里
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