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发表于 2012-11-13 08:48:12
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1判断语句0 q9 I) H) q% V( y% P* s7 B, `
if <condition> then
' C. G/ v2 F4 n3 Y; M <statement sequence1>;8 l$ t6 V. _. n
elseif <condition> then) O+ u; w( \: K. M. a2 U$ N
<statement sequence2>;* L. t/ j$ k7 m, {6 l
else , I, W* ~8 ^8 H6 V0 U) r" [2 L2 T
<statement sequence3>;
, X9 R; x# d2 q( @* ` end;. X8 K/ W6 J, {5 w) f% o) [
如果分支比较多，用：
4 F' S/ {& y1 X6 `+ ? inspect <expression>* r+ V" A7 W+ \2 f0 u
when <constant_list> then
( w) ], X v$ p3 L# T3 D <statement sequence1>; ~( s- s- ]( @) M
when <constant_list> then' _2 _- ]' s, O( S
<statement sequence2>;
9 y' n: T5 J% { z ...
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<statement sequence3>;/ u2 ~: U0 e, I" D4 j
end;8 P' H! B2 z6 ~* @5 L* n
6 F& q; E" l4 y) |" T2循环语句) B9 M* c3 Q3 X" D8 V/ o
(1) from <statement sequence1>
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<statement sequence2>;% ~7 a. |+ @/ a( }+ |
end;+ v2 @- X$ y6 ~' L
(2) while <condition> loop3 ^; E% W6 D- _$ e
<statement sequence1>; L8 _8 S3 Y1 h1 N! C
end;
$ P: v: b* b; c1 {7 D: `4 E (3) repeat % Y/ w9 i2 k6 [9 t* v7 M
<statement sequence1>;6 e7 A4 e" h5 a- c J* D' N
until <condition>;
2 w, V- h3 z+ s! e$ v (4) for <condition> to <condition> loop# _7 ~4 }: r3 i8 B
<statement sequence1>;
5 D' ?* x) H# E& n next;
6 P! r" X, G9 `9 l$ R; t; H3中断语句/ i/ Z( t; n) r) b5 Y* }# q
waituntil <condition> prio <integer expression>;
9 f2 B) Z* V4 s% v1 f* y1 t2 ]3 X/ J! I6 |! ^; b
0 m6 g7 m% n" z6 h, `0 @6 H以上为常用的函数！
/ Q$ k6 _3 [3 M% o' s9 A0 j还有很多，如有需要我把资料发到你邮箱里 ! H" G6 y& n0 H$ z- b2 I! b
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