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发表于 2012-11-13 08:48:12
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1判断语句 @# a3 j1 g- d! I
if <condition> then- o' T6 ]' B3 ~8 {* Q H, _3 k
<statement sequence1>;
, }$ V4 T! M5 n4 P/ g8 R, Z' ~6 \ elseif <condition> then" p& r+ q7 B3 p" P, b' N" A+ ?1 d9 P
<statement sequence2>;
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<statement sequence3>;
/ [7 N% n8 N9 D! o& T end;
+ U; J6 P6 ~/ F% Y如果分支比较多，用：
0 E8 h% Y( s# J8 C5 J9 [' Z inspect <expression>3 L) f& @" u) n
when <constant_list> then2 t- l& g9 ~/ C. O: l3 F
<statement sequence1>;! I8 D4 g, u( K3 h
when <constant_list> then0 y: F y* |! \% O6 y1 c
<statement sequence2>;( s: T; n4 C- J8 ?! @6 h% Q
...
5 i: o/ E3 v4 ]. D2 f9 F else
; f; D4 \5 L2 m2 ]! { <statement sequence3>;
) D1 H$ B6 D2 ^6 a7 u/ Pend;- X5 e) U8 m, J" w8 h3 q
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2循环语句2 V# i5 l# @6 Q) G" \* D2 l; i
(1) from <statement sequence1>
# v4 p7 U8 x; i until <condition> loop6 r- A& `% e0 I' P
<statement sequence2>;
8 _6 j" ]* E: z) H! U3 f end;% O+ m. f- H, }' |2 t# G! t
(2) while <condition> loop
3 v+ z8 K, e7 E, o <statement sequence1>;# A- [' Z$ p+ }) ~9 l
end;
y: _5 Z/ w0 s9 Q& ` (3) repeat 5 K- `! B" \: _+ L
<statement sequence1>;
0 u( X: W5 e9 d8 S$ k. `) j until <condition>;
N. a/ e8 q+ S1 Y' P (4) for <condition> to <condition> loop& F. ]& i8 {/ D$ ]' i/ y$ D/ W N
<statement sequence1>;- x7 W! I5 |! X
next;5 A2 O/ \' m7 ]
3中断语句 Z2 F6 b5 a1 K4 t
waituntil <condition> prio <integer expression>;% ?# e/ o2 b1 e( M
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以上为常用的函数！( ?1 s J; @1 K' k* R- y# U
还有很多，如有需要我把资料发到你邮箱里 5 z5 I% Z8 A) Q* f0 Q
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