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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;
0 V- r( V8 b4 l( b) k9 y5 J elseif <condition> then
; i, e' T" i' P, L% n <statement sequence2>;
- R5 a( Z5 J1 Y; j; W/ U* y( E else 7 G0 D+ Y: e5 W& B- `, I6 Z
<statement sequence3>;
& \% F& s* {) c5 H1 ]& E end;
' t! F0 w+ d5 @& |如果分支比较多，用：1 f3 Q0 e/ t- u. Z( e
inspect <expression>
1 Q V# D% k' m: b. u. O when <constant_list> then
# A" |9 V1 U% P1 e$ |' e* b( ~6 ^ <statement sequence1>;! F" W$ Y* q! b4 C' w" W! W6 L1 K- Z
when <constant_list> then
$ _4 Q' C4 J* k6 l <statement sequence2>;
7 r0 m V! b/ n0 A ...
/ j8 y+ }9 ]8 f else
1 D# b$ d3 ^1 j <statement sequence3>;
& J/ k2 a1 y, O! I6 mend;
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5 j& x6 }2 d2 k/ D b2循环语句
6 E4 U1 z0 V3 n+ B (1) from <statement sequence1>8 r# d m* W, }0 ?5 Q! Y3 N9 L
until <condition> loop
4 \- e9 r+ H: F6 z$ p <statement sequence2>;
! C6 N$ K- v! C, o5 o* K* ? end;
1 j9 l. H0 {8 P& _+ d) w0 p9 [- M (2) while <condition> loop
2 o1 L# X( y* j5 N: _ <statement sequence1>;# d' ]1 s) c& e' O( \
end;
; F, G* K2 p0 P' V2 t (3) repeat
7 O1 y/ \9 o; |4 b9 t" A <statement sequence1>;
) m) a0 @) I% l until <condition>;
; L* h# c( _4 L& Y+ R# z7 _ (4) for <condition> to <condition> loop) G1 j* K$ o# f
<statement sequence1>;3 H3 I$ b3 `0 w f
next;- o% r) ]% E+ B8 Z* \# j
3中断语句# `5 M1 v3 b) x1 o' v: j* D
waituntil <condition> prio <integer expression>;8 f2 |7 w9 t4 F2 s3 ]# b2 \' T
c0 b9 x p- U1 F9 [3 g
t) _1 }/ w' W7 B以上为常用的函数！
/ H2 ?. ]4 Z( @- d* a" Y还有很多，如有需要我把资料发到你邮箱里
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