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发表于 2012-11-13 08:48:12
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1判断语句
6 Q6 J( _' \% A0 @5 Z; } if <condition> then
+ H, b) u( _* S( z! N H O) B8 w <statement sequence1>;- t: P& I2 n3 U6 ]: o
elseif <condition> then( J# L- M/ x t4 X+ x6 p L
<statement sequence2>;
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<statement sequence3>;! J% `" f" Y2 [) p7 K+ q) v
end;* D& s: o) B3 ?, z7 S1 \9 l4 \) [1 l
如果分支比较多，用：4 S; c \1 A( f6 Z7 a( a8 F; Y# H
inspect <expression>
6 d0 X. k. N' B" T2 @! S, W! s when <constant_list> then. O2 Y! K" x. P8 ?$ b+ l6 F
<statement sequence1>;# v; d! m$ G& K: \$ a9 N
when <constant_list> then& b* p1 J8 P7 z& @! `) ^
<statement sequence2>;
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else( t3 d4 O5 Q- o, ]# x
<statement sequence3>;
$ l. O- p' N8 I% g3 y; V9 D. ^" mend;
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* `. x, ? d& s- c# p: J+ N2循环语句# B. j R( s4 e; F& ~3 Y( J) f
(1) from <statement sequence1>: v, X9 H8 a! ]' _# K3 i
until <condition> loop- R) q# |* @3 F4 \2 U
<statement sequence2>;
: y+ s t$ ]: y* Z3 D end;+ m- ^2 \" x( Y) r3 y
(2) while <condition> loop
5 ?! }/ T: V. } l3 E- ^+ { <statement sequence1>;
$ y4 l4 m3 P* A2 f8 k) ~ end;
6 ?" \* ]& m/ J. h6 ^( S+ | S1 ? (3) repeat
+ i0 |; t1 X( f- B6 l. J' a6 ~ <statement sequence1>;+ n& W$ t* S) A' z
until <condition>;
: g S3 x2 p4 t( r+ r% t' I" C (4) for <condition> to <condition> loop: H4 o n! {9 Z+ N6 D
<statement sequence1>;
' O4 M9 j7 ~+ f k next;" h! D, V- }6 T% k$ O" C
3中断语句% t8 g$ l0 X2 p0 u! h$ O
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
' M* R5 w2 A% O5 Y k) u% s还有很多，如有需要我把资料发到你邮箱里 ( `4 p8 V- F- r0 b0 i% H0 q/ h; l: m
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